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Posted to commits@iotdb.apache.org by jf...@apache.org on 2022/01/06 20:38:30 UTC
[iotdb-website] branch asf-staging updated: Site checkin for project iotdb-website
This is an automated email from the ASF dual-hosted git repository.
jfeinauer pushed a commit to branch asf-staging
in repository https://gitbox.apache.org/repos/asf/iotdb-website.git
The following commit(s) were added to refs/heads/asf-staging by this push:
new ae51c96 Site checkin for project iotdb-website
ae51c96 is described below
commit ae51c9687c0605e7142ca12d25a75c48c2bae470
Author: julian <j....@pragmaticminds.de>
AuthorDate: Thu Jan 6 21:38:14 2022 +0100
Site checkin for project iotdb-website
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.asf.yaml | 3 +-
404.html | 10 +-
Blog/Release0_93.html | 12 +-
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Community/Feedback.html | 12 +-
Community/Materials.html | 12 +-
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Development/HowToCommit.html | 14 +-
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UserGuide/Master/Data-Concept/Time-Partition.html | 71 ++
.../Master/Data-Modeling/VirtualStorageGroup.html | 69 ++
.../Master/Ecosystem Integration/DBeaver.html | 24 +-
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.../Master/Ecosystem Integration/Flink TsFile.html | 14 +-
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UserGuide/Master/Library-UDF/Data-Repair.html | 244 ++++++
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UserGuide/V0.12.x/Data-Concept/Encoding.html | 72 --
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.../Ecosystem Integration/Flink TsFile.html | 179 -----
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.../V0.12.x/Ecosystem Integration/Hive TsFile.html | 133 ----
.../Ecosystem Integration/MapReduce TsFile.html | 168 -----
.../V0.12.x/Ecosystem Integration/Spark IoTDB.html | 129 ----
.../Ecosystem Integration/Spark TsFile.html | 128 ----
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.../Ecosystem Integration/Zeppelin-IoTDB.html | 111 ---
.../V0.12.x/FAQ/Frequently-asked-questions.html | 106 ---
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zh/UserGuide/Master/Library-UDF/Get-Started.html | 71 ++
zh/UserGuide/Master/QuickStart/Files.html | 14 +-
zh/UserGuide/Master/QuickStart/QuickStart.html | 14 +-
zh/UserGuide/Master/QuickStart/ServerFileList.html | 14 +-
zh/UserGuide/Master/QuickStart/WayToGetIoTDB.html | 26 +-
zh/UserGuide/Master/System-Tools/CSV-Tool.html | 102 ++-
zh/UserGuide/Master/System-Tools/JMX-Tool.html | 14 +-
.../Master/System-Tools/Load-External-Tsfile.html | 18 +-
.../Master/System-Tools/MLogParser-Tool.html | 14 +-
zh/UserGuide/Master/System-Tools/Metric-Tool.html | 137 ++++
.../Master/System-Tools/Monitor-and-Log-Tools.html | 19 +-
zh/UserGuide/Master/System-Tools/NodeTool.html | 18 +-
.../System-Tools/Performance-Tracing-Tool.html | 39 +-
.../Query-History-Visualization-Tool.html | 71 --
.../Master/System-Tools/Watermark-Tool.html | 24 +-
zh/UserGuide/Master/UDF/Triggers.html | 80 --
.../Master/UDF/UDF-User-Defined-Function.html | 202 -----
zh/UserGuide/Master/UserGuideReadme.html | 14 +-
zh/UserGuide/V0.12.x/API/Programming-JDBC.html | 221 ------
.../V0.12.x/API/Programming-Native-API.html | 125 ----
.../V0.12.x/API/Programming-Other-Languages.html | 148 ----
.../V0.12.x/API/Programming-TsFile-API.html | 246 ------
.../Administration-Management/Administration.html | 102 ---
zh/UserGuide/V0.12.x/Appendix/Config-Manual.html | 75 --
zh/UserGuide/V0.12.x/Appendix/SQL-Reference.html | 759 -------------------
zh/UserGuide/V0.12.x/Appendix/Status-Codes.html | 80 --
.../V0.12.x/CLI/Command-Line-Interface.html | 122 ---
zh/UserGuide/V0.12.x/Cluster/Cluster-Setup.html | 86 ---
.../Collaboration-of-Edge-and-Cloud/Sync-Tool.html | 110 ---
.../Programming-MQTT.html | 109 ---
.../Programming-Thrift.html | 180 -----
zh/UserGuide/V0.12.x/Data-Concept/Compression.html | 71 --
.../Data-Concept/Data-Model-and-Terminology.html | 82 --
zh/UserGuide/V0.12.x/Data-Concept/Data-Type.html | 73 --
zh/UserGuide/V0.12.x/Data-Concept/Encoding.html | 72 --
zh/UserGuide/V0.12.x/Data-Concept/SDT.html | 110 ---
.../V0.12.x/Ecosystem Integration/Flink IoTDB.html | 146 ----
.../Ecosystem Integration/Flink TsFile.html | 178 -----
.../V0.12.x/Ecosystem Integration/Grafana.html | 111 ---
.../V0.12.x/Ecosystem Integration/Hive TsFile.html | 133 ----
.../Ecosystem Integration/MapReduce TsFile.html | 169 -----
.../V0.12.x/Ecosystem Integration/Spark IoTDB.html | 129 ----
.../Ecosystem Integration/Spark TsFile.html | 127 ----
.../Writing Data on HDFS.html | 72 --
.../Ecosystem Integration/Zeppelin-IoTDB.html | 114 ---
.../V0.12.x/FAQ/Frequently-asked-questions.html | 106 ---
.../V0.12.x/IoTDB-Introduction/Architecture.html | 71 --
.../V0.12.x/IoTDB-Introduction/Features.html | 78 --
.../V0.12.x/IoTDB-Introduction/Publication.html | 71 --
.../V0.12.x/IoTDB-Introduction/Scenario.html | 71 --
.../V0.12.x/IoTDB-Introduction/What-is-IoTDB.html | 67 --
.../DDL-Data-Definition-Language.html | 303 --------
.../DML-Data-Manipulation-Language.html | 657 ----------------
.../IoTDB-SQL-Language/Maintenance-Command.html | 83 ---
zh/UserGuide/V0.12.x/QuickStart/Files.html | 75 --
zh/UserGuide/V0.12.x/QuickStart/QuickStart.html | 134 ----
.../V0.12.x/QuickStart/ServerFileList.html | 91 ---
zh/UserGuide/V0.12.x/QuickStart/WayToGetIoTDB.html | 104 ---
zh/UserGuide/V0.12.x/System-Tools/CSV-Tool.html | 117 ---
zh/UserGuide/V0.12.x/System-Tools/JMX-Tool.html | 84 ---
.../V0.12.x/System-Tools/Load-External-Tsfile.html | 71 --
.../V0.12.x/System-Tools/MLogParser-Tool.html | 71 --
.../System-Tools/Monitor-and-Log-Tools.html | 80 --
zh/UserGuide/V0.12.x/System-Tools/NodeTool.html | 111 ---
.../System-Tools/Performance-Tracing-Tool.html | 81 --
.../Query-History-Visualization-Tool.html | 71 --
.../V0.12.x/System-Tools/Watermark-Tool.html | 160 ----
zh/UserGuide/V0.12.x/UDF/Triggers.html | 80 --
.../V0.12.x/UDF/UDF-User-Defined-Function.html | 210 ------
zh/UserGuide/V0.12.x/UserGuideReadme.html | 64 --
zh/index.html | 16 +-
940 files changed, 7717 insertions(+), 19256 deletions(-)
diff --git a/.asf.yaml b/.asf.yaml
index ab722e0..99c6d99 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -18,9 +18,8 @@
#
staging:
- profile: beta
+ profile: ~
whoami: asf-staging
-
publish:
whoami: asf-site
\ No newline at end of file
diff --git a/404.html b/404.html
index 4139db0..540a289 100644
--- a/404.html
+++ b/404.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,11 +18,11 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/11.c2123f8d.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf92.js"><link rel="prefetch" href="/assets/js/102.f2817a8e.js"><link rel="prefetch" href="/assets/js/103.73e20456.js"><link rel=" [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
- <div id="app" data-server-rendered="true"><div class="theme-container"><div class="content"><h1>404</h1> <blockquote>There's nothing here.</blockquote> <a href="/" class="router-link-active">Take me home.</a></div></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/10.77e7d27b.js" defer></script>
+ <div id="app" data-server-rendered="true"><div class="theme-container"><div class="content"><h1>404</h1> <blockquote>How did we get here?</blockquote> <a href="/" class="router-link-active">Take me home.</a></div></div><div class="global-ui"></div></div>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/11.c2123f8d.js" defer></script>
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diff --git a/Blog/Release0_93.html b/Blog/Release0_93.html
index d632938..ee244fb 100644
--- a/Blog/Release0_93.html
+++ b/Blog/Release0_93.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
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<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -60,6 +60,6 @@ Chinese: http://iotdb.apache.org/zh/SystemDesign/Architecture/Architecture.html<
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/11.c977ea47.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/12.f383644c.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/Blog/index.html b/Blog/index.html
index 302f562..de33e2b 100644
--- a/Blog/index.html
+++ b/Blog/index.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
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+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
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Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -58,6 +58,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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diff --git a/Community/Community-Powered By.html b/Community/Community-Powered By.html
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<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
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+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
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<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -61,6 +61,6 @@ A common practice you can take is to create software identifiers (Maven coordina
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/Community/Community-Project Committers.html b/Community/Community-Project Committers.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/15.d5df9f03.js" as="script"><link rel="preload" href="/assets/js/6.1f3a26b9.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/1 [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,10 +54,10 @@
Current Events
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/Community/Feedback.html b/Community/Feedback.html
index c51d0f0..dd49bcd 100644
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+++ b/Community/Feedback.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/16.ae8b77aa.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" aria-current="page" class="nav-link router-link-exact-active r [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" aria-current="page" class="nav-link router-link-exact-active r [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" aria-current="page" class="nav-link router-link-exact-active r [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" aria-current="page" class="nav-link router-link-exact-active r [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -61,6 +61,6 @@ it is recommended gmail mailbox).</li></ul></li> <li><p>JIRA issue: https://iss
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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</html>
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diff --git a/Community/Materials.html b/Community/Materials.html
index e0d945f..65f4be1 100644
--- a/Community/Materials.html
+++ b/Community/Materials.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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Foundation
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Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/Development/ContributeGuide.html b/Development/ContributeGuide.html
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -40,7 +40,7 @@
GitHub
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<ul><li>If you only want to receive individual Jira notifications that you are interest in, you do not need to subscribe this mailing list. Instead, you just need to click "start-watching this issue" on the jira issue webpage or just comment on this issue.</li></ul></li> <li>commits@iotdb.apache.org (Any code changes will be notified here, please note that this mailing list will be very large)</li> <li>reviews@iotdb.apache.org (Any code review comments will be notified here, pl [...]
plugin<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only [...]
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@@ -70,6 +70,6 @@ plugin<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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diff --git a/Development/HowToCommit.html b/Development/HowToCommit.html
index 90b687c..27d5c3f 100644
--- a/Development/HowToCommit.html
+++ b/Development/HowToCommit.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/20.7d94ab0b.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -65,7 +65,7 @@ upstream https://github.com/apache/iotdb.git (push)
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Create a new branch to start working：(e.g. fix)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>git checkout -b fix
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You can make code changes after creation.</p> <ul><li>Push the changes to a remote repository：(e.g. fix)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>git commit -a -m "<you_commit_message>"
git push origin fix
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>For more on git usages, please visit<a href="https://www.atlassian.com/git/tutorials/setting-up-a-repository" target="_blank" rel="noopener noreferrer">Git tutorial<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColo [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>For more on git usages, please visit<a href="https://www.atlassian.com/git/tutorials/setting-up-a-repository" target="_blank" rel="noopener noreferrer">Git tutorial<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColo [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>2：Pull the upstream’s master branch</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git pull upstream master
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>3：Switch back to the branch we are working on(e.g. fix)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git checkout fix
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>4：Rebase the working branch onto the master branch</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git rebase -i master
@@ -76,6 +76,6 @@ git rebase --continue
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/20.7d94ab0b.js" defer></script>
</body>
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\ No newline at end of file
diff --git a/Development/VoteRelease.html b/Development/VoteRelease.html
index 5b2085d..103eb11 100644
--- a/Development/VoteRelease.html
+++ b/Development/VoteRelease.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/20.3a5b380c.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/21.ab1d6805.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -138,6 +138,6 @@ find **/src -type f -exec grep -i "copyright" {} \; -print | sort -u
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/21.ab1d6805.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/Development/format-changelist.html b/Development/format-changelist.html
index f3aa039..0435900 100644
--- a/Development/format-changelist.html
+++ b/Development/format-changelist.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/22.21272861.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -58,6 +58,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/21.fd51f269.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/22.21272861.js" defer></script>
</body>
</html>
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diff --git a/Development/rpc-changelist.html b/Development/rpc-changelist.html
index 191ca24..3ce353e 100644
--- a/Development/rpc-changelist.html
+++ b/Development/rpc-changelist.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
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@@ -40,7 +40,7 @@
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -54,10 +54,10 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Development/rpc-changelist.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" cla [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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diff --git a/Download/index.html b/Download/index.html
index 6b2e871..c72c652 100644
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+++ b/Download/index.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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- <meta name="generator" content="VuePress 1.8.2">
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -54,16 +54,21 @@
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-with what you set in the old version.</li> <li>stop the old vesion instance, and start the new one.</li></ul></li> <li><p>How to upgrade from v.11.x or v0.10.x to v0.12.x?</p> <ul><li>Upgrading from v0.11 or v0.10 to v0.12 is similar as v0.9 to v0.10. The upgrade tool will rewrite the data files automatically.</li> <li>Stop writing new data.</li> <li>Call <code>flush</code> command using sbin/start-cli.sh in original version to close all TsFiles.</li> <li>We recommend to backup the data [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+> sudo sysctl -w net.core.somaxconn=65535
+
+# FreeBSD or Darwin
+> sudo sysctl -w kern.ipc.somaxconn=65535
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul></li> <li><p>How to upgrade a minor version (e.g., from v0.11.0 to v0.11.3)?</p> <ul><li>versions which have the same major version are compatible.</li> <li>Just download and unzip the new version. Then modify the configuration file [...]
+with what you set in the old version.</li> <li>stop the old vesion instance, and start the new one.</li></ul></li> <li><p>How to upgrade from v.11.x or v0.10.x to v0.12.x?</p> <ul><li>Upgrading from v0.11 or v0.10 to v0.12 is similar as v0.9 to v0.10. The upgrade tool will rewrite the data files automatically.</li> <li><strong><font color="red">Stop writing new data.</font></strong></li> <li>Call <code>flush</code> command using sbin/start-cli.sh in original version to close all TsFiles. [...]
directories point to the folders set in previous version (or the backup folder).
You can also modify other settings if you want. Any other config changes in v0.11 should be moved to v0.12.</li> <li>Stop IoTDB v0.11 or v0.10 instance, and start v0.12.x, then the IoTDB will upgrade data file format automatically. It is ok to read and write data when the upgrading process works.</li> <li>After a log <code>All files upgraded successfully!</code> printed, the upgrading completes.</li> <li><strong>NOTICE 1: V0.12 changes many settings in conf/iotdb-engine.properties, so do [...]
configuration file directly.</strong></li> <li><strong>NOTICE 2: V0.12 doesn't support upgrade from v0.9 or lower version, please upgrade to v0.10 first if needed.</strong></li> <li><strong>NOTICE 3: We don't recommend to delete data before the upgrading finished. The deletion will fail if you try to delete data in the storage group with upgrading files.</strong></li></ul></li> <li><p>How to upgrade from v.10.x to v0.11.x?</p> <ul><li>The data format (i.e., TsFile data) of v0.10.x and v0 [...]
-incompatible. So, you can follow the steps:</li> <li>Stop writing new data.</li> <li>Call <code>flush</code> command using <code>sbin/start-cli.sh</code> in v0.10.x to close all TsFiles.</li> <li>We recommend to backup the the wal files and mlog.txt before upgrading for rolling back.</li> <li>Just download, unzip v0.11.x.zip, and modify conf/iotdb-engine.proeprties to let all the
+incompatible. So, you can follow the steps:</li> <li><strong><font color="red">Stop writing new data.</font></strong></li> <li>Call <code>flush</code> command using <code>sbin/start-cli.sh</code> in v0.10.x to close all TsFiles.</li> <li>We recommend to backup the the wal files and mlog.txt before upgrading for rolling back.</li> <li>Just download, unzip v0.11.x.zip, and modify conf/iotdb-engine.proeprties to let all the
directories point to the data folder set in v0.10.x (or the backup folder). You can also modify
other settings if you want.</li> <li>Stop IoTDB v0.10.x instance, and start v0.11.x, then the IoTDB will upgrade data file format
automatically.</li> <li><strong>NOTICE: V0.11 changes many settings in conf/iotdb-engine.properties, so do not use v0.10's
-configuration file directly.</strong></li></ul></li> <li><p>How to upgrade from v.9.x to v0.10.x?</p> <ul><li>Upgrading from v0.9 to v0.10 is more complex than v0.8 to v0.9.</li> <li>Stop writing new data.</li> <li>Call <code>flush</code> command using sbin/start-client.sh in v0.9 to close all TsFiles.</li> <li>We recommend to backup the data file (also the wal files and mlog.txt) before upgrading for rolling back.</li> <li>Just download, unzip v0.10.x.zip, and modify conf/iotdb-engine.p [...]
+configuration file directly.</strong></li></ul></li> <li><p>How to upgrade from v0.9.x to v0.10.x?</p> <ul><li>Upgrading from v0.9 to v0.10 is more complex than v0.8 to v0.9.</li> <li><strong><font color="red">Stop writing new data.</font></strong></li> <li>Call <code>flush</code> command using sbin/start-client.sh in v0.9 to close all TsFiles.</li> <li>We recommend to backup the data file (also the wal files and mlog.txt) before upgrading for rolling back.</li> <li>Just download, unzip [...]
directories point to the folders set in v0.9.x (or the backup folder).
You can also modify other settings if you want.</li> <li>Stop IoTDB v0.9 instance, and start v0.10.x, then the IoTDB will upgrade data file format automatically.</li></ul></li> <li><p>How to upgrade from 0.8.x to v0.9.x?</p> <ul><li>We recommend to backup the data file (also the wal files and mlog.txt) before upgrading for rolling back.</li> <li>Just download, unzip v0.9.x.zip, and modify conf/iotdb-engine.proeprties to let all the
directories point to the folders set in v0.8.x (or the backup folder).
@@ -71,6 +76,6 @@ You can also modify other settings if you want.</li> <li>Stop IoTDB v0.8 instanc
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/Architecture/Architecture.html b/SystemDesign/Architecture/Architecture.html
index 8f945b4..83e0920 100644
--- a/SystemDesign/Architecture/Architecture.html
+++ b/SystemDesign/Architecture/Architecture.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
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- <meta name="generator" content="VuePress 1.8.2">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/26.ec1e370b.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
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<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -62,6 +62,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
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diff --git a/SystemDesign/Client/RPC.html b/SystemDesign/Client/RPC.html
index 46a0eac..e6b6a60 100644
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/27.e99f291e.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -64,6 +64,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/26.0057d37b.js" defer></script>
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diff --git a/SystemDesign/Connector/Hive-TsFile.html b/SystemDesign/Connector/Hive-TsFile.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -76,6 +76,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/27.81294b57.js" defer></script>
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</body>
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diff --git a/SystemDesign/Connector/Spark-IOTDB.html b/SystemDesign/Connector/Spark-IOTDB.html
index 90067c3..5a1ed62 100644
--- a/SystemDesign/Connector/Spark-IOTDB.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/29.470cbccc.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
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Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
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Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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diff --git a/SystemDesign/Connector/Spark-TsFile.html b/SystemDesign/Connector/Spark-TsFile.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/30.88802dfc.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -74,6 +74,6 @@ The main logic is inferSchema function in src / main / scala / org / apache / io
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/DataQuery/AggregationQuery.html b/SystemDesign/DataQuery/AggregationQuery.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/31.a03ec43e.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
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Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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@@ -40,7 +40,7 @@
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -124,6 +124,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/DataQuery/AlignByDeviceQuery.html b/SystemDesign/DataQuery/AlignByDeviceQuery.html
index 640d8f9..be8a4a6 100644
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+++ b/SystemDesign/DataQuery/AlignByDeviceQuery.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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@@ -40,7 +40,7 @@
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</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Among them, the time series in the system is:</p> <ul><li>root.sg.d1.s1</li> <li>root.sg.d1.s2</li> <li>root.sg.d2.s1</li></ul> <p>The storage group <code>root.sg</code> contains two devices d1 and d2, where d1 has two sensors s1 and s2, d2 has only sensor s1, and the same sensor s1 has the same data type.</p> <p>The following will be explained according to the specific process:</p> <h3 i [...]
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> suffixPaths<span class="token punctuation">.</span><span class="token function">size</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> i [...]
<span class="token class-name">Path</span> suffixPath <span class="token operator">=</span> suffixPaths<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// Used to record the measurements corresponding to a suffix path.</span>
<span class="token comment">// See the following for an example</span>
<span class="token class-name">Set</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">></span></span> measurementSetOfGivenSuffix <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LinkedHashSet</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><s [...]
- <span class="token comment">// If a constant. Recording, continue to the next suffix path</span>
- <span class="token keyword">if</span> <span class="token punctuation">(</span>suffixPath<span class="token punctuation">.</span><span class="token function">startWith</span><span class="token punctuation">(</span><span class="token string">"'"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
- <span class="token keyword">continue</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
<span class="token comment">// If not constant, it will be spliced with each device to get a complete path</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token class-name">String</span> device <span class="token operator">:</span> devices<span class="token punctuation">)</span> <span class="token punctuation">{</span>
@@ -132,17 +127,17 @@
<span class="token comment">// therefore the final measurements is [s1,s2,s1].</span>
measurements<span class="token punctuation">.</span><span class="token function">addAll</span><span class="token punctuation">(</span>measurementSetOfGivenSuffix<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
<span class="token class-name">FilterOperator</span> operator<span class="token punctuation">)</span>
<span class="token class-name">Input</span>：<span class="token class-name">Deduplicated</span> devices list and un<span class="token operator">-</span>stitched <span class="token class-name">FilterOperator</span>
<span class="token class-name">Input</span>：<span class="token class-name">The</span> deviceToFilterMap after splicing records the <span class="token class-name">Filter</span> information corresponding <span class="token keyword">to</span> <span class="token namespace">each</span> device
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The <code>concatfilterbydevice()</code> method splices the filter conditions according to the devices to get the corresponding filter conditions of each device. The main processing logic of it is in <code>concatFilterPath ()</code>:</p> <p>The <code>concatFilterPath ()</code> [...]
-<ul><li><code>s1 -> Exist</code></li> <li><code>s2 -> Exist</code></li> <li><code>'1' -> Constant</code></li> <li><code>s5 -> NonExist</code></li></ul></li> <li>Filter condition <code>deviceToFilterMap</code> for each device:
+<ul><li><code>s1 -> Exist</code></li> <li><code>s2 -> Exist</code></li> <li><code>s5 -> NonExist</code></li></ul></li> <li>Filter condition <code>deviceToFilterMap</code> for each device:
<ul><li><code>root.sg.d1 -> time = 1 AND root.sg.d1.s1 < 25</code></li> <li><code>root.sg.d2 -> time = 1 AND root.sg.d2.s1 < 25</code></li></ul></li></ul> <h3 id="constructing-a-header-columnheader"><a href="#constructing-a-header-columnheader" class="header-anchor">#</a> Constructing a Header (ColumnHeader)</h3> <ul><li>org.apache.iotdb.db.service.TSServiceImpl</li></ul> <p>After generating the physical plan, you can execute the executeQueryStatement () method in TSServiceIm [...]
<span class="token class-name">AlignByDevicePlan</span> plan<span class="token punctuation">,</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">></span></span> respColumns<span class="token punctuation">,</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span clas [...]
<span class="token class-name">Input</span>：<span class="token class-name">The</span> currently executing physical plan <span class="token class-name">AlignByDevicePlan</span> and the column names that need <span class="token keyword">to</span> <span class="token namespace">be</span> output respColumns and their corresponding data types columnTypes
<span class="token class-name">Input</span>：<span class="token class-name">Calculated</span> column name respColumns and data type columnTypes
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The specific implementation logic is as follows:</p> <ol><li>First add the <code>Device</code> column, whose data type is<code>TEXT</code>;</li> <li>Traverse the list of measurements without deduplication to determine the type of measurement currently traversed. If it is an <c [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The specific implementation logic is as follows:</p> <ol><li>First add the <code>Device</code> column, whose data type is<code>TEXT</code>;</li> <li>Traverse the list of measurements without deduplication to determine the type of measurement currently traversed. If it is an <c [...]
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diff --git a/SystemDesign/DataQuery/FillFunction.html b/SystemDesign/DataQuery/FillFunction.html
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -142,6 +142,6 @@ lBoundTime lBoundTime queryTime
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/33.d0eafbb9.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/34.1db7326a.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/GroupByFillQuery.html b/SystemDesign/DataQuery/GroupByFillQuery.html
index 78972bf..9fdc5e9 100644
--- a/SystemDesign/DataQuery/GroupByFillQuery.html
+++ b/SystemDesign/DataQuery/GroupByFillQuery.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/35.cafda43a.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -124,6 +124,6 @@ private long[] lastTimeArray;
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/34.7b065e16.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/35.cafda43a.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/GroupByQuery.html b/SystemDesign/DataQuery/GroupByQuery.html
index 0465847..313db3b 100644
--- a/SystemDesign/DataQuery/GroupByQuery.html
+++ b/SystemDesign/DataQuery/GroupByQuery.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/35.0a7b7db7.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/36.cd5da123.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -212,6 +212,6 @@ if (batchData.getMaxTimestamp() >= curEndTime) {
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/35.0a7b7db7.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/36.cd5da123.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/LastQuery.html b/SystemDesign/DataQuery/LastQuery.html
index 6becc9a..f4963e5 100644
--- a/SystemDesign/DataQuery/LastQuery.html
+++ b/SystemDesign/DataQuery/LastQuery.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/36.5a401e9f.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/37.a2bda7bd.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -137,6 +137,6 @@ for (TsFileResource resource : unseqFileResources) {
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/36.5a401e9f.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/37.a2bda7bd.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/QueryFundamentals.html b/SystemDesign/DataQuery/QueryFundamentals.html
index 9147d09..8f6453e 100644
--- a/SystemDesign/DataQuery/QueryFundamentals.html
+++ b/SystemDesign/DataQuery/QueryFundamentals.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/38.98a7b3a5.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -105,6 +105,6 @@ IPageReader.getAllSatisfiedPageData()
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/37.0cad894b.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/38.98a7b3a5.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/RawDataQuery.html b/SystemDesign/DataQuery/RawDataQuery.html
index 4b998d1..bb1f4f7 100644
--- a/SystemDesign/DataQuery/RawDataQuery.html
+++ b/SystemDesign/DataQuery/RawDataQuery.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/38.b02b6af6.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/39.aa9264da.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -106,14 +106,14 @@ void setHasRemaining(boolean hasRemaining);
LOGGER.error("Something gets wrong: ", e);
}
}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
- timeHeap = new TreeSet<>();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ timeHeap = new TimeSelector(seriesReaderList.size() << 1, ascending);
// Build producer tasks for each time series
for (int i = 0; i < seriesReaderList.size(); i++) {
ManagedSeriesReader reader = seriesReaderList.get(i);
reader.setHasRemaining(true);
reader.setManagedByQueryManager(true);
- pool.submit(new ReadTask(reader, blockingQueueArray[i]));
+ pool.submit(new ReadTask(reader, blockingQueueArray[i], paths.get(i).getFullPath()));
}
// Initialize the minimum heap and fill the cache for each time series
for (int i = 0; i < seriesReaderList.size(); i++) {
@@ -132,7 +132,15 @@ void setHasRemaining(boolean hasRemaining);
// If it is a signal BatchData, set oMoreDataInQueue of the corresponding time series to false
if (batchData instanceof SignalBatchData) {
noMoreDataInQueueArray[seriesIndex] = true;
- }
+ } else if (batchData instanceof ExceptionBatchData) {
+ // exception happened in producer thread
+ ExceptionBatchData exceptionBatchData = (ExceptionBatchData) batchData;
+ LOGGER.error("exception happened in producer thread", exceptionBatchData.getException());
+ if (exceptionBatchData.getException() instanceof IOException) {
+ throw (IOException) exceptionBatchData.getException();
+ } else if (exceptionBatchData.getException() instanceof RuntimeException) {
+ throw (RuntimeException) exceptionBatchData.getException();
+ }
else {
// Cache the retrieved BatchData into cachedBatchDataArray
cachedBatchDataArray[seriesIndex] = batchData;
@@ -151,7 +159,7 @@ void setHasRemaining(boolean hasRemaining);
}
}
}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
long minTime = timeHeap.pollFirst();
for (int seriesIndex = 0; seriesIndex < seriesNum; seriesIndex++) {
if (cachedBatchDataArray[seriesIndex] == null
@@ -182,7 +190,7 @@ for (int seriesIndex = 0; seriesIndex < seriesNum; seriesIndex++) {
timeHeap.add(time);
}
}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
// Determine if there is a next eligible timestamp
while (timeGenerator.hasNext()) {
boolean hasField = false;
@@ -224,6 +232,6 @@ for (int seriesIndex = 0; seriesIndex < seriesNum; seriesIndex++) {
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/38.b02b6af6.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/39.aa9264da.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/SeriesReader.html b/SystemDesign/DataQuery/SeriesReader.html
index b423561..e90f045 100644
--- a/SystemDesign/DataQuery/SeriesReader.html
+++ b/SystemDesign/DataQuery/SeriesReader.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/39.b5f4c79a.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/40.a5d365d8.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -123,16 +123,9 @@ BatchData nextPage() throws IOException;
}
}
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-Object getValueInTimestamp(long timestamp) throws IOException;
-
-// Given a batch of timestamp values, return a batch of results (reduce the number //of method calls)
-Object[] getValuesInTimestamps(long[] timestamps) throws IOException;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h4 id="general-use-process-2"><a href="#general-use-process-2" class="header-anchor">#</a> General use process</h4> <p>This interface is used in queries with value filtering. After TimeGenerator generates a timestamp, use this interface to o [...]
-
-or
-
-Object[] values = readerByTimestamp.getValueInTimestamp(timestamps);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="concrete-implementation-class"><a href="#concrete-implementation-class" class="header-anchor">#</a> Concrete implementation class</h2> <p>The above three interfaces all have their corresponding implementation classes. As the above thr [...]
+Object[] getValuesInTimestamps(long[] timestamps, int length) throws IOException;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h4 id="general-use-process-2"><a href="#general-use-process-2" class="header-anchor">#</a> General use process</h4> <p>This interface is used in queries with value filtering. After TimeGenerator generates a timestamp, use this interface to obtain the value corresponding to the timestamp.</p> <div class="language- line-numbers-mode"><pre class="language- [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="concrete-implementation-class"><a href="#concrete-implementation-class" class="header-anchor">#</a> Concrete implementation class</h2> <p>The above three interfaces all have their corresponding implementation classes. As the above three queries have similarities, we have designed a basic SeriesReader tool class that encapsulates the basic methods for a time series read operation to h [...]
/*
* File layer
*/
@@ -196,16 +189,24 @@ if (readPageData()) {
}
/*
- * If there is a chunk and a page, return page
+ * If there is a chunk, return chunk
+ */
+if (readChunkData()) {
+ hasCachedBatchData = true;
+ return true;
+}
+
+/*
+ * If there is a file and a chunk , return chunk
*/
-while (seriesReader.hasNextChunk()) {
- if (readPageData()) {
+while (seriesReader.hasNextFile()) {
+ if (readChunkData()) {
hasCachedBatchData = true;
return true;
}
}
return hasCachedBatchData;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
* Prioritize whether the next page is currently checked, skip it if you can
*/
if (readPageData(timestamp)) {
@@ -215,7 +216,14 @@ if (readPageData(timestamp)) {
/*
* Determine if the next chunk has the current search time, skip it if it can
*/
-while (seriesReader.hasNextChunk()) {
+if (readChunkData(timestamp)) {
+ return true;
+}
+
+/*
+ * Determine if the next File has the current search time, skip it if it can
+ */
+while (seriesReader.hasNextFile()) {
Statistics statistics = seriesReader.currentChunkStatistics();
if (!satisfyTimeFilter(statistics)) {
seriesReader.skipCurrentChunk();
@@ -224,12 +232,12 @@ while (seriesReader.hasNextChunk()) {
/*
* The chunk cannot be skipped, continue to check the page in the chunk
*/
- if (readPageData(timestamp)) {
+ if (readChunkData(timestamp)) {
return true;
}
}
return false;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
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<a href="/SystemDesign/DataQuery/QueryFundamentals.html" class="prev">
QueryFundamentals
@@ -241,6 +249,6 @@ return false;
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/40.a5d365d8.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/PlanExecutor.html b/SystemDesign/QueryEngine/PlanExecutor.html
index 3653061..02fcc56 100644
--- a/SystemDesign/QueryEngine/PlanExecutor.html
+++ b/SystemDesign/QueryEngine/PlanExecutor.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/40.6f6fb483.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/41.24f98119.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/40.6f6fb483.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/41.24f98119.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/Planner.html b/SystemDesign/QueryEngine/Planner.html
index 70258f4..b1e0bfc 100644
--- a/SystemDesign/QueryEngine/Planner.html
+++ b/SystemDesign/QueryEngine/Planner.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/41.f1dd1831.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/42.871b75aa.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/41.f1dd1831.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/42.871b75aa.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/QueryEngine.html b/SystemDesign/QueryEngine/QueryEngine.html
index fc12998..ff456d7 100644
--- a/SystemDesign/QueryEngine/QueryEngine.html
+++ b/SystemDesign/QueryEngine/QueryEngine.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/QueryEngine/ResultSetConstruction.html b/SystemDesign/QueryEngine/ResultSetConstruction.html
index ed00ff5..1f6023b 100644
--- a/SystemDesign/QueryEngine/ResultSetConstruction.html
+++ b/SystemDesign/QueryEngine/ResultSetConstruction.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
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- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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@@ -40,7 +40,7 @@
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -54,7 +54,7 @@
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<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/SystemDesign/QueryEngine/ResultSetConstruction.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/SystemDesign/Que [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Here an additional data structure <code>pathToIndex</code> is calculated to record the position of each path in the query.</p> <p>Because only one set of data needs to be calculated for the LastQuery, there is no need to sort the paths. Its <code>pathToIndex</code> will be null.</p> <p>The deduplication logic of <strong>AlignByDeviceQuery</strong> is in the <code>hasNextWithoutConstraint()</code> method of its result set.</p> <ul><li>org.apache.iotdb.db.query.dataset.AlignByDeviceDataSe [...]
The implementation logic can be referred to <a href="/SystemDesign/DataQuery/AlignByDeviceQuery.html">Align by device query</a>.</p> <p>After the deduplication paths in the query plan are completed, the query executor of IoTDB can be called to execute the query and obtain the deduplication result set.</p> <h2 id="restore-the-complete-result-set"><a href="#restore-the-complete-result-set" class="header-anchor">#</a> Restore the complete result set</h2> <p>The construction of headers and t [...]
←
@@ -68,6 +68,6 @@ The implementation logic can be referred to <a href="/SystemDesign/DataQuery/Ali
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/44.73b8112f.js" defer></script>
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diff --git a/SystemDesign/SchemaManager/SchemaManager.html b/SystemDesign/SchemaManager/SchemaManager.html
index da2b6b8..5962695 100644
--- a/SystemDesign/SchemaManager/SchemaManager.html
+++ b/SystemDesign/SchemaManager/SchemaManager.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/45.9984b636.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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@@ -40,7 +40,7 @@
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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@@ -64,10 +64,10 @@
<ul><li>While deleting StorageGroupMNode, we need to obtain the write lock of that StorageGroupMNode</li> <li>if succeed
<ul><li>delete that StorageGroupMNode</li></ul></li> <li>if failed
<ul><li>return the failed storage group name</li></ul></li></ul></li> <li>iterate the returned LeafMNode list, reading the tlog using the offset in LeafMNode, and then update tag inverted index</li> <li>if not restart, persist log into mlog</li></ul></li> <li><p>Set TTL</p> <ul><li>obtain the corresponding StorageGroupMNode, modify the TTL property in it.</li> <li>if not restart, persist log into mlog</li></ul></li> <li><p>Change the offset of Timeseries</p> <ul><li>modify the offset of [...]
-<ul><li>if the old name does not exist, then throw exception</li> <li>otherwise, replace the old one with the new name, and persist it into tlog</li> <li>if the old one is tag, we still need to update tag inverted index</li></ul></li></ul></li> <li><p>reset tag/attribute value</p> <ul><li>obtain the LeafMNode of that timeseries</li> <li>read tag and attribute information through the offset in LeafMNode</li> <li>if the key does not exist, then throw exception</li> <li>if the reset one is [...]
+<ul><li>if the old name does not exist, then throw exception</li> <li>otherwise, replace the old one with the new name, and persist it into tlog</li> <li>if the old one is tag, we still need to update tag inverted index</li></ul></li></ul></li> <li><p>reset tag/attribute value</p> <ul><li>obtain the LeafMNode of that timeseries</li> <li>read tag and attribute information through the offset in LeafMNode</li> <li>if the key does not exist, then throw exception</li> <li>if the reset one is [...]
s1 INT32 with encoding=Gorilla and compression SNAPPY,
s2 FLOAT with encoding=RLE and compression=SNAPPY
-)</p> <blockquote><p>mlog:5,temp1,0,s1,1,8,1</p></blockquote> <blockquote><p>mlog:5,temp1,0,s2,3,2,1</p></blockquote> <blockquote><p>format: 5,template name,is Aligned Timeseries,measurementId,TSDataType,TSEncoding,CompressionType</p></blockquote></li> <li><p>set schema template temp1 to root.turbine</p> <blockquote><p>mlog: 6,temp1,root.turbine</p></blockquote> <blockquote><p>format: 6,template name,path</p></blockquote></li> <li><p>Auto create device root.turbine.d1 (after set a templa [...]
+)</p> <blockquote><p>mlog:5,temp1,0,s1,1,8,1</p></blockquote> <blockquote><p>mlog:5,temp1,0,s2,3,2,1</p></blockquote> <blockquote><p>format: 5,template name,is Aligned Timeseries,measurementId,TSDataType,TSEncoding,CompressionType</p></blockquote></li> <li><p>set schema template temp1 to root.turbine</p> <blockquote><p>mlog: 6,temp1,root.turbine</p></blockquote> <blockquote><p>format: 6,template name,path</p></blockquote></li> <li><p>Auto create device root.turbine.d1 (after set a templa [...]
<ul><li>we need to update the offset in plan each time we call the method in MManger to fetch result, we should add it with <code>fetch size</code>.</li> <li>if <code>hasLimit</code> is <code>false</code>, then reset <code>index</code> to zero.</li></ul></li> <li>if not
<ul><li>if <code>index < result.size()</code>，return true</li> <li>if <code>index > result.size()</code>，return false</li></ul></li></ul></li></ul></div> <div class="page-nav"><p class="inner"><span class="prev">
←
@@ -81,6 +81,6 @@ s2 FLOAT with encoding=RLE and compression=SNAPPY
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/44.1e774c41.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/45.9984b636.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/DataManipulation.html b/SystemDesign/StorageEngine/DataManipulation.html
index dbfe477..2783a45 100644
--- a/SystemDesign/StorageEngine/DataManipulation.html
+++ b/SystemDesign/StorageEngine/DataManipulation.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/46.857da14a.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -79,6 +79,6 @@ For the following mods file, data of d1.s1 falls in range [100, 200], [180, 300]
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/45.244b7680.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/46.857da14a.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/DataPartition.html b/SystemDesign/StorageEngine/DataPartition.html
index 6934780..99ca5fa 100644
--- a/SystemDesign/StorageEngine/DataPartition.html
+++ b/SystemDesign/StorageEngine/DataPartition.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/46.0681e191.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/47.8ae3999c.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/46.0681e191.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/47.8ae3999c.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/FlushManager.html b/SystemDesign/StorageEngine/FlushManager.html
index 939b8b3..e2971cc 100644
--- a/SystemDesign/StorageEngine/FlushManager.html
+++ b/SystemDesign/StorageEngine/FlushManager.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/47.ee804674.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/48.b3055c41.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/47.ee804674.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/48.b3055c41.js" defer></script>
</body>
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\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/MergeManager.html b/SystemDesign/StorageEngine/MergeManager.html
index 4cad63d..1323df2 100644
--- a/SystemDesign/StorageEngine/MergeManager.html
+++ b/SystemDesign/StorageEngine/MergeManager.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -57,7 +57,7 @@
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<img src="https://user-images.githubusercontent.com/24886743/75313978-6c64b000-5899-11ea-8565-40b012f9c8a2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></li></ul> <h2 id="merged-example"><a href="#merged-example" class="header-anchor">#</a> Merged example</h2> <p>Under the squeeze merge strategy, when a series of seq and unseq files are merged and the time and memory limits are not exceeded, all files will be merged into one n [...]
<br>
-When the time or memory limit is exceeded, the file selection process will be interrupted, and the currently selected seq and unseq files will be merged as above to form a file</p> <p>The time limit is that the time spent in the process of selecting files cannot exceed a given value, not an estimate of the time taken by the merge process, the purpose is to prevent the selection of files from taking too much time when there are too many files</p> <p>Memory limit refers to the estimation o [...]
+When the time or memory limit is exceeded, the file selection process will be interrupted, and the currently selected seq and unseq files will be merged as above to form a file</p> <p>The time limit is that the time spent in the process of selecting files cannot exceed a given value, not an estimate of the time taken by the merge process, the purpose is to prevent the selection of files from taking too much time when there are too many files</p> <p>Memory limit refers to the estimation o [...]
Perform cleanUp directly on recovery and execute the callback operation completed by merge</p> <h3 id="merge-end"><a href="#merge-end" class="header-anchor">#</a> MERGE_END</h3> <p>All the files on the surface have been merged, this time the merge has been completed
This state does not appear in the merge log in principle</p></div> <div class="page-nav"><p class="inner"><span class="prev">
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@@ -71,6 +71,6 @@ This state does not appear in the merge log in principle</p></div> <div class="p
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diff --git a/SystemDesign/StorageEngine/Recover.html b/SystemDesign/StorageEngine/Recover.html
index 3c06c9d..24edd1b 100644
--- a/SystemDesign/StorageEngine/Recover.html
+++ b/SystemDesign/StorageEngine/Recover.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/50.be3dba02.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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@@ -40,7 +40,7 @@
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -56,7 +56,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<ul><li>0.10 version tsfiles（sealed/unsealed）</li> <li>0.9 version tsfiles（sealed）</li></ul></li> <li>Unsequence Files
-<ul><li>0.10 version tsfiles（sealed/unsealed）</li> <li>0.9 version tsfiles（sealed）</li></ul></li></ul></li> <li><p>If there exists 0.9 version TsFile in the storage group, add the old version's sequence and unsequence files to <code>upgradeSeqFileList</code> and <code>upgradeSeqFileList</code> respectively for upgrade and query.</p></li> <li><p>Group sequence and unsequence files according to partition -- <code>Map<Long, List<TsFileResource>></code></p></li> <li><p>To recover [...]
+<ul><li>0.10 version tsfiles（sealed/unsealed）</li> <li>0.9 version tsfiles（sealed）</li></ul></li></ul></li> <li><p>If there exists 0.9 version TsFile in the storage group, add the old version's sequence and unsequence files to <code>upgradeSeqFileList</code> and <code>upgradeSeqFileList</code> respectively for upgrade and query.</p></li> <li><p>Group sequence and unsequence files according to partition -- <code>Map<Long, List<TsFileResource>></code></p></li> <li><p>To recover [...]
<ul><li>For sequential files, skip WALs whose timestamp is less than or equal to the current resource</li> <li>For unsequential files, redo all WAL, it is possible to repeatedly write to ChunkGroup of multiple devices</li></ul></li> <li>If the TsFile is not the last TsFile of the current partition, or there is a <code>.closing</code> file in the TsFile, call the <code>endFile()</code> method of <code>RestorableTsFileIOWriter</code> to seal the file, delete the <code>.closing</code> file [...]
←
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@@ -69,6 +69,6 @@
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diff --git a/SystemDesign/StorageEngine/StorageEngine.html b/SystemDesign/StorageEngine/StorageEngine.html
index afa471b..18f5714 100644
--- a/SystemDesign/StorageEngine/StorageEngine.html
+++ b/SystemDesign/StorageEngine/StorageEngine.html
@@ -4,7 +4,7 @@
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/51.3efdf52d.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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@@ -40,7 +40,7 @@
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/SystemDesign/StorageEngine/StorageEngine.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/SystemDesign/StorageEn [...]
GitHub
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<ul><li>Find all ordered and out-of-order TsFileResources containing this time series and return them for use by the query engine</li></ul></li></ul> <h2 id="related-documents"><a href="#related-documents" class="header-anchor">#</a> Related documents</h2> <ul><li><p><a href="/SystemDesign/StorageEngine/WAL.html">Write Ahead Log (WAL)</a></p></li> <li><p><a href="/SystemDesign/StorageEngine/FlushManager.html">memtable Endurance</a></p></li> <li><p><a href="/SystemDesign/StorageEngine/Mer [...]
←
@@ -68,6 +68,6 @@
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diff --git a/SystemDesign/StorageEngine/WAL.html b/SystemDesign/StorageEngine/WAL.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/52.171d8bd9.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -72,6 +72,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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\ No newline at end of file
diff --git a/SystemDesign/Tools/Sync.html b/SystemDesign/Tools/Sync.html
index baebf81..9a6682a 100644
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+++ b/SystemDesign/Tools/Sync.html
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/53.54701945.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -81,6 +81,6 @@ In the application of the synchronization tool, one receiver can receive data fr
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/TsFile/Format.html b/SystemDesign/TsFile/Format.html
index 1de19d1..aa01070 100644
--- a/SystemDesign/TsFile/Format.html
+++ b/SystemDesign/TsFile/Format.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
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</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/SystemDesign/TsFile/Format.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/SystemDesign/TsFile/Format.html" cla [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Example 7 is a comprehensive example.</p> <ul><li><p><strong>Example 1: 5 entities with 5 measurements each</strong></p> <img src="https://user-images.githubusercontent.com/19167280/125254013-9d2d7400-e32c-11eb-9f95-1663e14cffbb.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;">
In the case of 5 entities with 5 measurements each: Since the numbers of entities and measurements are both no more than `max_degree_of_index_node`, the tree has only measurement index level by default. In this level, each IndexNode is composed of no more than 10 index entries. The root node is `INTERNAL_ENTITY` type, and the 5 index entries point to index nodes of related entities. These nodes point to `TimeseriesIndex` directly, as they are `LEAF_MEASUREMENT` type.
</li> <li><p><strong>Example 2: 1 entity with 150 measurements</strong></p></li></ul> <img src="https://user-images.githubusercontent.com/19167280/125254022-a0c0fb00-e32c-11eb-8fd1-462936358288.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <p>In the case of 1 entity with 150 measurements: The number of measurements exceeds <code>max_degree_of_index_node</code>, so the tree has only measurement index level by default. In this l [...]
@@ -320,6 +320,6 @@ is fixed so there is no need to put the size before this string literal.</li></u
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/54.a5405f79.js" defer></script>
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\ No newline at end of file
diff --git a/SystemDesign/TsFile/Read.html b/SystemDesign/TsFile/Read.html
index a6387cf..ff24961 100644
--- a/SystemDesign/TsFile/Read.html
+++ b/SystemDesign/TsFile/Read.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/9.340bbf81.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf9 [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -211,6 +211,6 @@ Output: The transformed IExpression, which is executable
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/9.340bbf81.js" defer></script>
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\ No newline at end of file
diff --git a/SystemDesign/TsFile/TsFile.html b/SystemDesign/TsFile/TsFile.html
index 4fbc129..0fb342b 100644
--- a/SystemDesign/TsFile/TsFile.html
+++ b/SystemDesign/TsFile/TsFile.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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@@ -18,13 +18,13 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/55.0c4314d6.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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Foundation
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License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/SystemDesign/TsFile/Write.html b/SystemDesign/TsFile/Write.html
index ff811d6..fcf7ba2 100644
--- a/SystemDesign/TsFile/Write.html
+++ b/SystemDesign/TsFile/Write.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/56.0ca4cc5e.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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@@ -40,7 +40,7 @@
GitHub
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
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@@ -69,6 +69,6 @@
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index fa5969c..2e23786 100644
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@@ -40,7 +40,7 @@
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@@ -54,25 +54,20 @@
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<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/API/Programming-Cpp-Native-API.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Maste [...]
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"compile-tools" is mainly responsible for building Thrift libraries locally.</p> <h4 id="build-thrift-on-macos"><a href="#build-thrift-on-macos" class="header-anchor">#</a> Build Thrift on MacOS</h4> <ul><li>Bison</li></ul> <p>Bison 2.3 is preinstalled on OSX, but this version is too low.</p> <p>When building Thrift with Bison 2.3, the following error would pop out:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>invalid directive: <span clas [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For such case, please update <code>Bison</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>brew install bison
brew link bison --force
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then, you need to tell the OS where the new bison is.</p> <p>For Bash users:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">echo</span> <span class="token string">'export PATH="/usr/local/opt/bison/bin:<span class="token environment constant">$PATH</span>"'</span> <s [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For zsh users:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">echo</span> <span class="token string">'export PATH="/usr/local/opt/bison/bin:<span class="token environment constant">$PATH</span>"'</span> <span class="token operator">>></span> ~/.zshrc
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then, you need to tell the OS where the new bison is.</p> <p>For Bash users:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">echo</span> <span class="token string">'export PATH="/usr/local/opt/bison/bin:$PATH"'</span> <span class="token operator">>></span> ~/.ba [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For zsh users:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">echo</span> <span class="token string">'export PATH="/usr/local/opt/bison/bin:$PATH"'</span> <span class="token operator">>></span> ~/.zshrc
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Boost</li></ul> <p>Please make sure a relative new version of Boost is ready on your machine.</p> <p>If no Boost available, install the latest version of Boost:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>brew <span class="token function">install</span> boost
brew <span class="token function">link</span> boost
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>OpenSSL</li></ul> <p>Make sure the Openssl libraries has been install on your Mac.
The default Openssl include file search path is "/usr/local/opt/openssl/include".
-If Openssl header files can not be found when building Thrift, please add option</p> <p><code>-Dopenssl.include.dir=""</code></p> <p>to specify the OpenSSL installation directory on your Mac.</p> <h4 id="build-thrift-on-linux"><a href="#build-thrift-on-linux" class="header-anchor">#</a> Build Thrift on Linux</h4> <p>To install all dependencies, run:</p> <p>Debian/Ubuntu:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token funct [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>CentOS:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>yum <span class="token function">install</span> gcc g++ bison flex boost-devel
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="build-thrift-on-windows"><a href="#build-thrift-on-windows" class="header-anchor">#</a> Build Thrift on Windows</h4> <p>Make sure a complete Windows C++ building environment is prepared on your machine.
-MSVC, MinGW... are supported.</p> <p>If you are using MS Visual Studio, remember to install Visual Studio C/C++ IDE and compiler(supporting CMake, Clang, MinGW).</p> <ul><li>Flex and Bison
-Windows Flex and Bison could be downloaded from SourceForge: https://sourceforge.net/projects/winflexbison/</li></ul> <p>After downloaded, please rename the executables to flex.exe and bison.exe and add them to "PATH" environment variables.</p> <ul><li>Boost
-For Boost, please download from the official website: https://www.boost.org/users/download/</li></ul> <p>Then build Boost by executing bootstrap.bat and b2.exe.</p> <div class="language-powershell line-numbers-mode"><pre class="language-powershell"><code>bootstrap<span class="token punctuation">.</span>bat
-<span class="token punctuation">.</span>\b2<span class="token punctuation">.</span>exe
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>To help CMake find your Boost libraries on windows, you should set <code>-Dboost.include.dir=${your boost header folder} -Dboost.library.dir=${your boost lib (stage) folder}</code>
-to your mvn build command.</p> <h4 id="cmake-generator-on-windows"><a href="#cmake-generator-on-windows" class="header-anchor">#</a> Cmake generator on Windows</h4> <p>There is a long list of supported Cmake generators on Windows environment.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> Visual Studio 16 2019 = Generates Visual Studio 2019 project files.
+If Openssl header files can not be found when building Thrift, please add option</p> <p><code>-Dopenssl.include.dir=""</code></p> <p>to specify the OpenSSL installation directory on your Mac.</p> <h4 id="build-thrift-on-linux"><a href="#build-thrift-on-linux" class="header-anchor">#</a> Build Thrift on Linux</h4> <p>Ubuntu 20:</p> <p>To install all dependencies, run:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function" [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>CentOS 7.x:</p> <p>In CentOS 7.x, Some packages can be installed using Yum:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">sudo</span> yum <span class="token function">install</span> bison flex openssl-devel
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The version of gcc and boost installed by yum is too low, therefore you should compile or download these binary packages by yourself.</p> <h4 id="build-thrift-on-windows"><a href="#build-thrift-on-windows" class="header-anchor">#</a> Build Thrift on Windows</h4> <ul><li>building environment</li></ul> <p>Make sure a complete Windows C++ building environment is prepared on your machine.
+MSVC, MinGW... are supported.</p> <p>If you are using MS Visual Studio, remember to install Visual Studio C/C++ IDE and compiler(supporting CMake, Clang, MinGW).</p> <ul><li>CMake</li></ul> <p>For CMake, please download from the official website: https://cmake.org/download/</p> <p>There is a long list of supported Cmake generators on Windows environment.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> Visual Studio 16 2019 = Generates Visual Studio [...]
Use -A option to specify architecture.
Visual Studio 15 2017 [arch] = Generates Visual Studio 2017 project files.
Optional [arch] can be "Win64" or "ARM".
@@ -101,8 +96,12 @@ to your mvn build command.</p> <h4 id="cmake-generator-on-windows"><a href="#cma
CodeBlocks - MinGW Makefiles = Generates CodeBlocks project files.
CodeBlocks - NMake Makefiles = Generates CodeBlocks project files.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-E.g., <code>mvn package -Dcmake.generator="Visual Studio 15 2017 [arch]"</code></p> <h4 id="building-c-client"><a href="#building-c-client" class="header-anchor">#</a> Building C++ Client</h4> <p>To compile cpp client, add "-P compile-cpp" option to maven build command.</p> <p>The compiling requires the module "compile-tools" to be built first.</p> <h4 id="compile-and-test"><a href="#compile-and-test" class="header-anchor">#</a> Compile and Test</h4> <p><cod [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>e.g.,</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>mvn package -P compile-cpp -pl client-cpp,server,example/client-cpp-example -am
+E.g., <code>mvn package -Dcmake.generator="Visual Studio 15 2017 [arch]"</code></p> <ul><li>Flex and Bison</li></ul> <p>Windows Flex and Bison could be downloaded from SourceForge: https://sourceforge.net/projects/winflexbison/</p> <p>After downloaded, please rename the executables to flex.exe and bison.exe and add them to "PATH" environment variables.</p> <ul><li>Boost</li></ul> <p>For Boost, please download from the official website: https://www.boost.org/users/down [...]
+<span class="token punctuation">.</span>\b2<span class="token punctuation">.</span>exe
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>To help CMake find your Boost libraries on windows, you should set <code>-Dboost.include.dir=${your boost header folder} -Dboost.library.dir=${your boost lib (stage) folder}</code>
+to your mvn build command.</p> <ul><li>openssl</li></ul> <p>For openssl , download Source code from the official website: https://www.openssl.org/source/</p> <p>download binary files from http://slproweb.com/products/Win32OpenSSL.html</p> <ul><li>Add Path</li></ul> <p>Before compile，make sure cmake,flex,bison and openssl already add to "PATH" environment variables.</p> <h4 id="compile-and-test"><a href="#compile-and-test" class="header-anchor">#</a> Compile and Test</h4> <p>To [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Add generator for cmake:
+<code>-Dcmake.generator="Visual Studio 15 2017 [arch]"</code></p> <p>The complete command:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>mvn package -P compile-cpp -pl client-cpp,server,example/client-cpp-example -am
-D<span class="token string">"boost.include.dir"</span><span class="token operator">=</span><span class="token string">"D:<span class="token entity" title="\b">\b</span>oost_1_75_0"</span> -D<span class="token string">"boost.library.dir"</span><span class="token operator">=</span><span class="token string">"D:<span class="token entity" title="\b">\b</span>oost_1_75_0\stage\lib"</span> -DskipTests
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>If the compilation finishes successfully, the packaged zip file will be placed under
"client-cpp/target/client-cpp-0.13.0-SNAPSHOT-cpp-${os}.zip".</p> <p>On Mac machines, the hierarchy of the package should look like this:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">.</span>
@@ -130,6 +129,6 @@ error message looks like:</p> <div class="language-shell line-numbers-mode"><pre
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/57.565e3bc3.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/UserGuide/Master/API/Programming-Go-Native-API.html b/UserGuide/Master/API/Programming-Go-Native-API.html
index 218b3c4..492bea2 100644
--- a/UserGuide/Master/API/Programming-Go-Native-API.html
+++ b/UserGuide/Master/API/Programming-Go-Native-API.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/57.70e89a96.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/58.89763e25.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/API/Programming-Go-Native-API.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<span class="token builtin class-name">export</span> <span class="token assign-left variable">GOPROXY</span><span class="token operator">=</span>https://goproxy.io
<span class="token function">mkdir</span> session_example <span class="token operator">&&</span> <span class="token builtin class-name">cd</span> session_example
@@ -84,6 +84,6 @@ go run session_example.go
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/57.70e89a96.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/58.89763e25.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/UserGuide/Master/API/Programming-JDBC.html b/UserGuide/Master/API/Programming-JDBC.html
index f254fbf..2dbc779 100644
--- a/UserGuide/Master/API/Programming-JDBC.html
+++ b/UserGuide/Master/API/Programming-JDBC.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
<meta name="baidu-site-verification" content="wfKETzB3OT">
<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
- <link rel="preload" href="/assets/css/0.styles.8ecdd712.css" as="style"><link rel="preload" href="/assets/js/app.e7861a3b.js" as="script"><link rel="preload" href="/assets/js/3.49924f41.js" as="script"><link rel="preload" href="/assets/js/58.bbdad9ec.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.efc7ca5b.js"><link rel="prefetch" href="/assets/js/101.a7a307a2.js"><link rel="prefetch" href="/assets/js/102.d8066ff6.js"><l [...]
- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/59.74b024c8.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,9 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/API/Programming-JDBC.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/API/Prog [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+IT CAN NOT PROVIDE HIGH THROUGHPUT FOR WRITE OPERATIONS.
+PLEASE USE <a href="https://iotdb.apache.org/UserGuide/Master/API/Programming-Java-Native-API.html" target="_blank" rel="noopener noreferrer">JAVA NATIVE API<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill= [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="use-iotdb-jdbc-with-maven"><a href="#use-iotdb-jdbc-with-maven" class="header-anchor">#</a> Use IoTDB JDBC with Maven</h3> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependencies</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
@@ -160,6 +162,8 @@
<span class="token comment">// JDBC driver name and database URL</span>
<span class="token class-name">String</span> driver <span class="token operator">=</span> <span class="token string">"org.apache.iotdb.jdbc.IoTDBDriver"</span><span class="token punctuation">;</span>
<span class="token class-name">String</span> url <span class="token operator">=</span> <span class="token string">"jdbc:iotdb://127.0.0.1:6667/"</span><span class="token punctuation">;</span>
+ <span class="token comment">// set rpc compress mode</span>
+ <span class="token comment">// String url = "jdbc:iotdb://127.0.0.1:6667?rpc_compress=true";</span>
<span class="token comment">// Database credentials</span>
<span class="token class-name">String</span> username <span class="token operator">=</span> <span class="token string">"root"</span><span class="token punctuation">;</span>
@@ -204,18 +208,18 @@
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
←
- <a href="/UserGuide/Master/IoTDB-SQL-Language/Maintenance-Command.html" class="prev">
- Maintenance Command
- </a></span> <span class="next"><a href="/UserGuide/Master/API/Programming-Java-Native-API.html">
+ <a href="/UserGuide/Master/API/Programming-Java-Native-API.html" class="prev">
Java Native API
+ </a></span> <span class="next"><a href="/UserGuide/Master/API/Programming-Python-Native-API.html">
+ Python Native API
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</span></p></div> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
</p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/58.bbdad9ec.js" defer></script>
+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/59.74b024c8.js" defer></script>
</body>
</html>
\ No newline at end of file
diff --git a/UserGuide/Master/API/Programming-Java-Native-API.html b/UserGuide/Master/API/Programming-Java-Native-API.html
index 8a56ded..b4c4d90 100644
--- a/UserGuide/Master/API/Programming-Java-Native-API.html
+++ b/UserGuide/Master/API/Programming-Java-Native-API.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
<script>
@@ -18,13 +18,13 @@
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@@ -40,7 +40,7 @@
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<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>iotdb-session<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
@@ -143,7 +143,7 @@ Using the interface, you need to define the pool size.</p> <p>If you can not get
If a session connection is broken, the session will be removed automatically and the pool will try
to create a new session and redo the operation.</p> <p>For query operations:</p> <ol><li>When using SessionPool to query data, the result set is <code>SessionDataSetWrapper</code>;</li> <li>Given a <code>SessionDataSetWrapper</code>, if you have not scanned all the data in it and stop to use it,
you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>When you call <code>hasNext()</code> and <code>next()</code> of a <code>SessionDataSetWrapper</code> and there is an exception, then
-you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>You can call <code>getColumnNames()</code> of <code>SessionDataSetWrapper</code> to get the column names of query result;</li></ol> <p>Examples: <code>session/src/test/java/org/apache/iotdb/session/pool/SessionPoolTest.java</code></p> <p>Or <code>example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java</code></p> <p>For examples of aligned timeseries and device template, you can refer to <c [...]
+you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>You can call <code>getColumnNames()</code> of <code>SessionDataSetWrapper</code> to get the column names of query result;</li></ol> <p>Examples: <code>session/src/test/java/org/apache/iotdb/session/pool/SessionPoolTest.java</code></p> <p>Or <code>example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java</code></p> <p>For examples of aligned timeseries and measurement template, you can refer [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Open a session, with a parameter to specify whether to enable RPC compression.
Please pay attention that this RPC compression status of client must comply with the status of IoTDB server</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">void</span> <span class="token function">insertRecord</span><span class="token punctuation">(</span><span class="token class-name">String</span> deviceId<span class="token punctuation">,</span> <span class="token keyword">long</span> time<span class="token punctuation">,</s [...]
<span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">TSDataType</span><span class="token punctuation">></span></span> types<span class="token punctuation">,</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Object</span><span class="token punctuation">></span></span> values<span class= [...]
@@ -174,32 +174,109 @@ The values should be provided in their primitive types. This interface is more p
<span class="token keyword">boolean</span> <span class="token function">checkTimeseriesExists</span><span class="token punctuation">(</span><span class="token class-name">String</span> path<span class="token punctuation">)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Add a method to check whether the specific timeseries exists.</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token class-name">Session</span><span class="token punctuation">(</span><span class="token class-name">String</span> host<span class="token punctuation">, [...]
<span class="token keyword">boolean</span> isEnableCacheLeader<span class="token punctuation">)</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Open a session and specifies whether the Leader cache is enabled. Note that this interface improves performance for distributed IoTDB, but adds less cost to the client for stand-alone IoTDB.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>
-* name: template name
-* measurements: List of measurements, if it is a single measurement, just put it's name
-* into a list and add to measurements if it is a vector measurement, put all measurements of
-* the vector into a list and add to measurements
-* dataTypes: List of datatypes, if it is a single measurement, just put it's type into a
-* list and add to dataTypes if it is a vector measurement, put all types of the vector
-* into a list and add to dataTypes
-* encodings: List of encodings, if it is a single measurement, just put it's encoding into
-* a list and add to encodings if it is a vector measurement, put all encodings of the
-* vector into a list and add to encodings
-* compressors: List of compressors
-void createSchemaTemplate(
- String templateName,
- List<String> schemaName,
- List<List<String>> measurements,
- List<List<TSDataType>> dataTypes,
- List<List<TSEncoding>> encodings,
- List<CompressionType> compressors)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-void setSchemaTemplate(String templateName, String prefixPath)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Open a session and specifies whether the Leader cache is enabled. Note that this interface improves performance for distributed IoTDB, but adds less cost to the client for stand-alone IoTDB.</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">void</span> <span class="token function">createSchem [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Create a schema template for massive identical subtree will help to improve memory performance. You can use the API above to create a template at server side, and use Template, InternalNode and MeasurementNode to depict the structure of the template, and use belowed interface to create it inside session.</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><sp [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Set the device template named 'templateName' at path 'prefixPath'. You should firstly create the template using</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>
-void createSchemaTemplate
+<span class="token class-name">Class</span> <span class="token class-name">Template</span> <span class="token punctuation">{</span>
+ <span class="token keyword">private</span> <span class="token class-name">String</span> name<span class="token punctuation">;</span>
+ <span class="token keyword">private</span> <span class="token keyword">boolean</span> directShareTime<span class="token punctuation">;</span>
+ <span class="token class-name">Map</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">Node</span><span class="token punctuation">></span></span> children<span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token class-name">Template</span><span class="token punctuation">(</span><span class="token class-name">String</span> name<span class="token punctuation">,</span> <span class="token keyword">boolean</span> isShareTime<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addToTemplate</span><span class="token punctuation">(</span><span class="token class-name">Node</span> node<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">deleteFromTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> name<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">setShareTime</span><span class="token punctuation">(</span><span class="token keyword">boolean</span> shareTime<span class="token punctuation">)</span><span class="token punctuation">;</span>
+<span class="token punctuation">}</span>
+
+<span class="token class-name">Abstract</span> <span class="token class-name">Class</span> <span class="token class-name">Node</span> <span class="token punctuation">{</span>
+ <span class="token keyword">private</span> <span class="token class-name">String</span> name<span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addChild</span><span class="token punctuation">(</span><span class="token class-name">Node</span> node<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">deleteChild</span><span class="token punctuation">(</span><span class="token class-name">Node</span> node<span class="token punctuation">)</span><span class="token punctuation">;</span>
+<span class="token punctuation">}</span>
+
+<span class="token class-name">Class</span> <span class="token class-name">InternalNode</span> <span class="token keyword">extends</span> <span class="token class-name">Node</span> <span class="token punctuation">{</span>
+ <span class="token keyword">boolean</span> shareTime<span class="token punctuation">;</span>
+ <span class="token class-name">Map</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">Node</span><span class="token punctuation">></span></span> children<span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">setShareTime</span><span class="token punctuation">(</span><span class="token keyword">boolean</span> shareTime<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token class-name">InternalNode</span><span class="token punctuation">(</span><span class="token class-name">String</span> name<span class="token punctuation">,</span> <span class="token keyword">boolean</span> isShareTime<span class="token punctuation">)</span><span class="token punctuation">;</span>
+<span class="token punctuation">}</span>
+
+<span class="token class-name">Class</span> <span class="token class-name">MeasurementNode</span> <span class="token keyword">extends</span> <span class="token class-name">Node</span> <span class="token punctuation">{</span>
+ <span class="token class-name">TSDataType</span> dataType<span class="token punctuation">;</span>
+ <span class="token class-name">TSEncoding</span> encoding<span class="token punctuation">;</span>
+ <span class="token class-name">CompressionType</span> compressor<span class="token punctuation">;</span>
+ <span class="token keyword">public</span> <span class="token class-name">MeasurementNode</span><span class="token punctuation">(</span><span class="token class-name">String</span> name<span class="token punctuation">,</span>
+ <span class="token class-name">TSDataType</span> dataType<span class="token punctuation">,</span>
+ <span class="token class-name">TSEncoding</span> encoding<span class="token punctuation">,</span>
+ <span class="token class-name">CompressionType</span> compressor<span class="token punctuation">)</span><span class="token punctuation">;</span>
+<span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token class-name">MeasurementNode</span> nodeY <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">MeasurementNode</span><span class="token punctuation">(</span><span class="token string">"y"</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>FLOAT<span class="token punctuation">,</span> <span class="token class-name">TSEncodin [...]
+<span class="token class-name">MeasurementNode</span> nodeSpeed <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">MeasurementNode</span><span class="token punctuation">(</span><span class="token string">"speed"</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>DOUBLE<span class="token punctuation">,</span> <span class="token class-name"> [...]
+
+<span class="token class-name">InternalNode</span> internalGPS <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">InternalNode</span><span class="token punctuation">(</span><span class="token string">"GPS"</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+<span class="token class-name">InternalNode</span> internalVehicle <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">InternalNode</span><span class="token punctuation">(</span><span class="token string">"vehicle"</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+internalGPS<span class="token punctuation">.</span><span class="token function">addChild</span><span class="token punctuation">(</span>nodeX<span class="token punctuation">)</span><span class="token punctuation">;</span>
+internalGPS<span class="token punctuation">.</span><span class="token function">addChild</span><span class="token punctuation">(</span>nodeY<span class="token punctuation">)</span><span class="token punctuation">;</span>
+internalVehicle<span class="token punctuation">.</span><span class="token function">addChild</span><span class="token punctuation">(</span>GPS<span class="token punctuation">)</span><span class="token punctuation">;</span>
+internalVehicle<span class="token punctuation">.</span><span class="token function">addChild</span><span class="token punctuation">(</span>nodeSpeed<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token class-name">Template</span> template <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Template</span><span class="token punctuation">(</span><span class="token string">"treeTemplateExample"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+template<span class="token punctuation">.</span><span class="token function">addToTemplate</span><span class="token punctuation">(</span>internalGPS<span class="token punctuation">)</span><span class="token punctuation">;</span>
+template<span class="token punctuation">.</span><span class="token function">addToTemplate</span><span class="token punctuation">(</span>internalVehicle<span class="token punctuation">)</span><span class="token punctuation">;</span>
+template<span class="token punctuation">.</span><span class="token function">addToTemplate</span><span class="token punctuation">(</span>nodeSpeed<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token function">createSchemaTemplate</span><span class="token punctuation">(</span>template<span class="token punctuation">)</span><span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addAlignedMeasurementsInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span>
+ <span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> measurementsPath<span class="token punctuation">,</span>
+ <span class="token class-name">TSDataType</span><span class="token punctuation">[</span><span class="token punctuation">]</span> dataTypes<span class="token punctuation">,</span>
+ <span class="token class-name">TSEncoding</span><span class="token punctuation">[</span><span class="token punctuation">]</span> encodings<span class="token punctuation">,</span>
+ <span class="token class-name">CompressionType</span><span class="token punctuation">[</span><span class="token punctuation">]</span> compressors<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Add one aligned measurement to a template</span>
+<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addAlignedMeasurementInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span>
+ <span class="token class-name">String</span> measurementPath<span class="token punctuation">,</span>
+ <span class="token class-name">TSDataType</span> dataType<span class="token punctuation">,</span>
+ <span class="token class-name">TSEncoding</span> encoding<span class="token punctuation">,</span>
+ <span class="token class-name">CompressionType</span> compressor<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+
+<span class="token comment">// Add unaligned measurements to a template</span>
+<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addUnalignedMeasurementInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span>
+ <span class="token class-name">String</span> measurementPath<span class="token punctuation">,</span>
+ <span class="token class-name">TSDataType</span> dataType<span class="token punctuation">,</span>
+ <span class="token class-name">TSEncoding</span> encoding<span class="token punctuation">,</span>
+ <span class="token class-name">CompressionType</span> compressor<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Add one unaligned measurement to a template</span>
+<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">addUnalignedMeasurementsIntemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span>
+ <span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> measurementPaths<span class="token punctuation">,</span>
+ <span class="token class-name">TSDataType</span><span class="token punctuation">[</span><span class="token punctuation">]</span> dataTypes<span class="token punctuation">,</span>
+ <span class="token class-name">TSEncoding</span><span class="token punctuation">[</span><span class="token punctuation">]</span> encodings<span class="token punctuation">,</span>
+ <span class="token class-name">CompressionType</span><span class="token punctuation">[</span><span class="token punctuation">]</span> compressors<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Delete a node in template and its children</span>
+<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">deleteNodeInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span> <span class="token class-name">String</span> path<span class="token punctuation">)</span><span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">public</span> <span class="token keyword">int</span> <span class="token function">countMeasurementsInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Return true if path points to a measurement, otherwise returne false</span>
+<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">isMeasurementInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span> <span class="token class-name">String</span> path<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Return true if path exists in template, otherwise return false</span>
+<span class="token keyword">public</span> <span class="token keyword">boolean</span> <span class="token function">isPathExistInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span> <span class="token class-name">String</span> path<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+<span class="token comment">// Return all measurements paths inside template</span>
+<span class="token keyword">public</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">></span></span> <span class="token function">showMeasurementsInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">)</span><span class="token punctuation">;</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h3 id="cluster-information-related-apis-only-works-in-the-cluster-mode"><a href="#cluster-information-related-apis-only-works-in-the-cluster-mode" class="header-anchor">#</a> Cluster information related APIs (only works in the cluster mode)</h3> <p>Cluster information related APIs allow users get the cluster info li [...]
+<span class="token comment">// Return all measurements paths under the designated patter inside template</span>
+<span class="token keyword">public</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">></span></span> <span class="token function">showMeasurementsInTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> templateName<span class="token punctuation">,</span> <span class="token class-name">String</sp [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Before setting template, you should firstly create the template using</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">void</span> <span class="token function">createSchemaTemplate</span><span class="token punctuation">(</span><span class="token class-name">Template</span> template<span class="token punctuation">)</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">void</span> <span class="token function">unsetSchemaTemplate</span><span class="token punctuation">(</span><span class="token class-name">String</span> prefixPath<span class="token punctuation">,</span> <span class="token class-name">String</span> templateName<span class="token punctuati [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Unset the measurement template named 'templateName' from path 'prefixPath'. You should ensure that there is a template named 'templateName' set at the path 'prefixPath'.</p> <p>Attention: Unsetting the template named 'templateName' from node at path 'prefixPath' or descendant nodes which have already inserted records using template is <strong>not supported</strong>.</p> <h3 id="cluster-in [...]
partitioned to, the status of each node in the cluster.</p> <p>To use the APIs, add dependency in your pom file:</p> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependencies</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
@@ -260,16 +337,16 @@ partitioned to, the status of each node in the cluster.</p> <p>To use the APIs,
string <span class="token function">getInstrumentingInfo</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
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- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
- <dependency>
- <groupId>org.apache.iotdb</groupId>
- <artifactId>iotdb-session</artifactId>
- <version>0.12.0</version>
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-</dependencies>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h3 id="native-apis"><a href="#native-apis" class="header-anchor">#</a> Native APIs</h3> <p>Here we show the commonly used interfaces and their parameters in the Nati [...]
-
-Session(String host, String rpcPort, String username, String password)
-
-Session(String host, int rpcPort, String username, String password)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Open a Session</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Session.open()
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Close a Session</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Session.close()
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Set storage group</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void setStorageGroup(String storageGroupId)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Delete one or several storage groups</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteStorageGroup(String storageGroup)
-void deleteStorageGroups(List<String> storageGroups)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Create one or multiple timeseries</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void createTimeseries(String path, TSDataType dataType,
- TSEncoding encoding, CompressionType compressor, Map<String, String> props,
- Map<String, String> tags, Map<String, String> attributes, String measurementAlias)
-
-void createMultiTimeseries(List<String> paths, List<TSDataType> dataTypes,
- List<TSEncoding> encodings, List<CompressionType> compressors,
- List<Map<String, String>> propsList, List<Map<String, String>> tagsList,
- List<Map<String, String>> attributesList, List<String> measurementAliasList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Delete one or several timeseries</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>voi [...]
-void deleteTimeseries(List<String> paths)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Delete data before or equal to a timestamp of one or several timeseries</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteData(String path, long time)
-void deleteData(List<String> paths, long time)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Insert a Record，which contains multiple measurement value of a device at a timestamp. Without type info the server has to do type inference, which may cost some time</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecord(String deviceId, long time, List<String> measurements, List<String> values)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Insert a Tablet，which is multiple rows of a device, each row has the same measurements</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablet(Tablet tablet)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Insert multiple Tablets</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablets(Map<String, Tablet> tablet)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Insert multiple Records. Without type info the server has to do type inference, which may cost some time</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecords(List<String> deviceIds, List<Long> times,
- List<List<String>> measurementsList, List<List<String>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Insert a Record，which contains multiple measurement value of a device at a timestamp. With type info the server has no need to do type inference, which leads a better performance</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecord(String deviceId, long time, List<String> measurements,
- List<TSDataType> types, List<Object> values)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Insert multiple Records. With type info the server has no need to do type inference, which leads a better performance</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecords(List<String> deviceIds, List<Long> times,
- List<List<String>> measurementsList, List<List<TSDataType>> typesList,
- List<List<Object>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Insert multiple Records that belong to the same device.
-With type info the server has no need to do type inference, which leads a better performance</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecordsOfOneDevice(String deviceId, List<Long> times,
- List<List<String>> measurementsList, List<List<TSDataType>> typesList,
- List<List<Object>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Raw data query. Time interval include startTime and exclude endTime</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SessionDataSet executeRawDataQuery(List<String> paths, long startTime, long endTime)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Execute query statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SessionDataSet executeQueryStatement(String sql)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Execute non query statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void executeNonQueryStatement(String sql)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="native-apis-for-profiling-network-cost"><a href="#native-apis-for-profiling-network-cost" class="header-anchor">#</a> Native APIs for profiling network cost</h3> <ul><li>Test the network and client cost of insertRecords. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</li></ul> <di [...]
- List<List<String>> measurementsList, List<List<String>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>or</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecords(List<String> deviceIds, List<Long> times,
- List<List<String>> measurementsList, List<List<TSDataType>> typesList,
- List<List<Object>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Test the network and client cost of insertRecordsOfOneDevice.
-This method NOT insert data into database and server just return after accept the request,
-this method should be used to test other time cost in client</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecordsOfOneDevice(String deviceId, List<Long> times,
- List<List<String>> measurementsList, List<List<TSDataType>> typesList,
- List<List<Object>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Test the network and client cost of insertRecord. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecord(St [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>or</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecord(String deviceId, long time, List<String> measurements,
- List<TSDataType> types, List<Object> values)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Test the network and client cost of insertTablet. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertTablet(Tablet tablet)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="coding-example"><a href="#coding-example" class="header-anchor">#</a> Coding example</h3> <p>To get more information of the following interfaces, please view session/src/main/java/org/apache/iotdb/session/Session.java</p> <p>The sample code of using these interfaces is in example/session/src/main/java/org/apache/iotdb/SessionExample.java，which provides an example of how to open an Io [...]
-Using the interface, you need to define the pool size.</p> <p>If you can not get a session connection in 60 seconds, there is a warning log but the program will hang.</p> <p>If a session has finished an operation, it will be put back to the pool automatically.
-If a session connection is broken, the session will be removed automatically and the pool will try
-to create a new session and redo the operation.</p> <p>For query operations:</p> <ol><li>When using SessionPool to query data, the result set is <code>SessionDataSetWrapper</code>;</li> <li>Given a <code>SessionDataSetWrapper</code>, if you have not scanned all the data in it and stop to use it,
-you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>When you call <code>hasNext()</code> and <code>next()</code> of a <code>SessionDataSetWrapper</code> and there is an exception, then
-you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>You can call <code>getColumnNames()</code> of <code>SessionDataSetWrapper</code> to get the column names of query result;</li></ol> <p>Examples: <code>session/src/test/java/org/apache/iotdb/session/pool/SessionPoolTest.java</code></p> <p>Or <code>example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java</code></p> <h3 id="new-interfaces"><a href="#new-interfaces" class="header-anchor">#</a> [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Open a session, with a parameter to specify whether to enable RPC compression.
-Please pay attention that this RPC compression status of client must comply with the status of IoTDB server</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecord(String deviceId, long time, List<String> measurements,
- List<TSDataType> types, List<Object> values)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Insert one record, in a way that user has to provide the type information of each measurement, which is different from the original insertRecord() interface.
-The values should be provided in their primitive types. This interface is more proficient than the one without type parameters.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecords(List<String> deviceIds, List<Long> times, List<List<String>> measurementsList,
- List<List<TSDataType>> typesList, List<List<Object>> valuesList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Insert multiple records with type parameters. This interface is more proficient than the one without type parameters.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablet(Tablet tablet, boolean sorted)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An additional insertTablet() interface that providing a "sorted" parameter indicating if the tablet is in order. A sorted tablet may accelerate the insertion process.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablets(Map<String, Tablet> tablets)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A new insertTablets() for inserting multiple tablets.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablets(Map<String, Tablet> tablets, boolean sorted)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>insertTablets() with an additional "sorted" parameter.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecord(String deviceId, long time, List<String> measurements, List<TSDataType> types,
- List<Object> values)
-void testInsertRecords(List<String> deviceIds, List<Long> times, List<List<String>> measurementsList,
- List<List<TSDataType>> typesList, List<List<Object>> valuesList)
-void testInsertTablet(Tablet tablet, boolean sorted)
-void testInsertTablets(Map<String, Tablet> tablets)
-void testInsertTablets(Map<String, Tablet> tablets, boolean sorted)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>The above interfaces are newly added to test responsiveness of new insert interfaces.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code [...]
- Map<String, String> props, Map<String, String> tags, Map<String, String> attributes,
- String measurementAlias)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Create a timeseries with path, datatype, encoding and compression. Additionally, users can provide props, tags, attributes and measurementAlias。</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void createMultiTimeseries(List<String> paths, List<TSDataType> dataTypes, List& [...]
- List<CompressionType> compressors, List<Map<String, String>> propsList,
- List<Map<String, String>> tagsList, List<Map<String, String>> attributesList,
- List<String> measurementAliasList)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Create multiple timeseries with a single method. Users can provide props, tags, attributes and measurementAlias as well for detailed timeseries information.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>boolean checkTimeseriesExists(String path)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Add a method to check whether the specific timeseries exists.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public Session(String host, int rpcPort, String username, String password,
- boolean isEnableCacheLeader)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Open a session and specifies whether the Leader cache is enabled. Note that this interface improves performance for distributed IoTDB, but adds less cost to the client for stand-alone IoTDB.</p></div> <!----> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
- Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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-tutorial of installation:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>http://thrift.apache.org/docs/install/
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="installation"><a href="#installation" class="header-anchor">#</a> Installation</h3> <ul><li>Option 1: pip install</li></ul> <p>You can find the Apache IoTDB Python Client API package on https://pypi.org/project/apache-iotdb/.</p> <p>The download command is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>pip install apache-iotdb
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Option 2: basic usage of thrift</li></ul> <p>Optionally, if you know the basic usage of thrift, you can download the thrift source file in
-<code>thrift\src\main\thrift\rpc.thrift</code>, and simply run <code>thrift -gen py -out ./target/iotdb rpc.thrift</code>
-to generate the Python library.</p> <h3 id="coding-example"><a href="#coding-example" class="header-anchor">#</a> Coding Example</h3> <p>We provided an example of how to use the thrift library to connect to IoTDB in <code>client-py/src /SessionExample.py</code>, please read it carefully before you write your own code.</p> <h2 id="c-native-interfaces"><a href="#c-native-interfaces" class="header-anchor">#</a> C++ Native Interfaces</h2> <h3 id="dependencies-2"><a href="#dependencies-2" cla [...]
-"compile-tools" is mainly responsible for building Thrift libraries locally.</p> <h4 id="build-thrift-on-macos"><a href="#build-thrift-on-macos" class="header-anchor">#</a> Build Thrift on MacOS</h4> <ul><li>Bison</li></ul> <p>Bison 2.3 is preinstalled on OSX, but this version is too low.
-When building Thrift with Bison 2.3, the following error would pop out:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>invalid directive: '%code'
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For such case, please update <code>Bison</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>brew install bison
-brew link bison --force
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then, you need to tell the OS where the new bison is.</p> <p>For Bash users:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>echo 'export PATH="/usr/local/opt/bison/bin:$PATH"' >> ~/.bash_profile
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For zsh users:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>echo 'export PATH="/usr/local/opt/bison/bin:$PATH"' >> ~/.zshrc
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Boost</li></ul> <p>Please make sure a relative new version of Boost is ready on your machine.
-If no Boost available, install the latest version of Boost:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>brew install boost
-brew link boost
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>OpenSSL</li></ul> <p>Make sure the Openssl libraries has been install on your Mac.
-The default Openssl include file search path is "/usr/local/opt/openssl/include".
-If Openssl header files can not be found when building Thrift, please add option</p> <p><code>-Dopenssl.include.dir=""</code></p> <p>to specify the OpenSSL installation directory on your Mac.</p> <h4 id="build-thrift-on-linux"><a href="#build-thrift-on-linux" class="header-anchor">#</a> Build Thrift on Linux</h4> <p>To install all dependencies, run:</p> <p>Debian/Ubuntu:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sudo apt-get install gcc g++ b [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>CentOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>yum install gcc g++ bison flex boost-devel
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="build-thrift-on-windows"><a href="#build-thrift-on-windows" class="header-anchor">#</a> Build Thrift on Windows</h4> <p>Make sure a complete Windows C++ building environment is prepared on your machine.
-MSVC, MinGW... are supported.</p> <p>If you are using MS Visual Studio, remember to install Visual Studio C/C++ IDE and compiler(supporting CMake, Clang, MinGW).</p> <ul><li>Flex and Bison
-Windows Flex and Bison could be downloaded from SourceForge: https://sourceforge.net/projects/winflexbison/</li></ul> <p>After downloaded, please rename the executables to flex.exe and bison.exe and add them to "PATH" environment variables.</p> <ul><li>Boost
-For Boost, please download from the official website: https://www.boost.org/users/download/</li></ul> <p>Then build Boost by executing bootstrap.bat and b2.exe.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>bootstrap.bat
-.\b2.exe
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>To help CMake find your Boost libraries on windows, you should set <code>-Dboost.include.dir=${your boost header folder} -Dboost.library.dir=${your boost lib (stage) folder}</code>
-to your mvn build command.</p> <h4 id="cmake-generator-on-windows"><a href="#cmake-generator-on-windows" class="header-anchor">#</a> Cmake generator on Windows</h4> <p>There is a long list of supported Cmake generators on Windows environment.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> Visual Studio 16 2019 = Generates Visual Studio 2019 project files.
- Use -A option to specify architecture.
- Visual Studio 15 2017 [arch] = Generates Visual Studio 2017 project files.
- Optional [arch] can be "Win64" or "ARM".
- Visual Studio 14 2015 [arch] = Generates Visual Studio 2015 project files.
- Optional [arch] can be "Win64" or "ARM".
- Visual Studio 12 2013 [arch] = Generates Visual Studio 2013 project files.
- Optional [arch] can be "Win64" or "ARM".
- Visual Studio 11 2012 [arch] = Generates Visual Studio 2012 project files.
- Optional [arch] can be "Win64" or "ARM".
- Visual Studio 10 2010 [arch] = Generates Visual Studio 2010 project files.
- Optional [arch] can be "Win64" or "IA64".
- Visual Studio 9 2008 [arch] = Generates Visual Studio 2008 project files.
- Optional [arch] can be "Win64" or "IA64".
- Borland Makefiles = Generates Borland makefiles.
-* NMake Makefiles = Generates NMake makefiles.
- NMake Makefiles JOM = Generates JOM makefiles.
- MSYS Makefiles = Generates MSYS makefiles.
- MinGW Makefiles = Generates a make file for use with
- mingw32-make.
- Unix Makefiles = Generates standard UNIX makefiles.
- Green Hills MULTI = Generates Green Hills MULTI files
- (experimental, work-in-progress).
- Ninja = Generates build.ninja files.
- Ninja Multi-Config = Generates build-<Config>.ninja files.
- Watcom WMake = Generates Watcom WMake makefiles.
- CodeBlocks - MinGW Makefiles = Generates CodeBlocks project files.
- CodeBlocks - NMake Makefiles = Generates CodeBlocks project files.
- CodeBlocks - NMake Makefiles = Generates CodeBlocks project fi
-
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-E.g., <code>mvn package -Dcmake.generator="Visual Studio 15 2017 [arch]"</code></p> <h4 id="building-c-client"><a href="#building-c-client" class="header-anchor">#</a> Building C++ Client</h4> <p>To compile cpp client, add "-P compile-cpp" option to maven build command.</p> <p>The compiling requires the module "compile-tools" to be built first.</p> <h4 id="compile-and-test"><a href="#compile-and-test" class="header-anchor">#</a> Compile and Test:</h4> <p><co [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>e.g.,</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn package -P compile-cpp -pl client-cpp,server,example/client-cpp-example -am
--D"boost.include.dir"="D:\boost_1_75_0" -D"boost.library.dir"="D:\boost_1_75_0\stage\lib" -DskipTests
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>If the compilation finishes successfully, the packaged zip file will be placed under
-"client-cpp/target/client-cpp-0.12.0-SNAPSHOT-cpp-${os}.zip".</p> <p>On Mac machines, the hierarchy of the package should look like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>.
-+-- client
-| +-- include
-| +-- Session.h
-| +-- TSIService.h
-| +-- rpc_types.h
-| +-- rpc_constants.h
-| +-- thrift
-| +-- thrift_headers...
-| +-- lib
-| +-- libiotdb_session.dylib
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h3 id="q-a" [...]
-error message looks like:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Failed to delete cached file C:\Users\Administrator\.m2\repository\.cache\download-maven-plugin\index.ser
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Possible fixes:</p> <ul><li>Try to delete the ".m2\repository\.cache" directory and try again.</li> <li>Add "<skipCache>true</skipCache>" configuration to the download-maven-plugin maven phase that complains this error.</li></ul></div> <!----> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
- Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
- We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
- </p></main></div><div class="global-ui"></div></div>
- <script src="/assets/js/app.e7861a3b.js" defer></script><script src="/assets/js/3.49924f41.js" defer></script><script src="/assets/js/61.a2e2a395.js" defer></script>
- </body>
-</html>
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diff --git a/UserGuide/Master/API/Programming-Python-Native-API.html b/UserGuide/Master/API/Programming-Python-Native-API.html
index c0a81e5..cc4b01b 100644
--- a/UserGuide/Master/API/Programming-Python-Native-API.html
+++ b/UserGuide/Master/API/Programming-Python-Native-API.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/61.25557e44.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/API/Programming-Python-Native-API.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Ma [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
ip <span class="token operator">=</span> <span class="token string">"127.0.0.1"</span>
port_ <span class="token operator">=</span> <span class="token string">"6667"</span>
@@ -111,8 +111,8 @@ Then, ensure that all tests work (via <code>pytest .</code>).
Then you are good to go to do a release!</p> <h4 id="preparing-your-environment"><a href="#preparing-your-environment" class="header-anchor">#</a> Preparing your environment</h4> <p>First, install all necessary dev dependencies via <code>pip install -r requirements_dev.txt</code>.</p> <h4 id="doing-the-release"><a href="#doing-the-release" class="header-anchor">#</a> Doing the Release</h4> <p>There is a convenient script <code>release.sh</code> to do all steps for a release.
Namely, these are</p> <ul><li>Remove all transient directories from last release (if exists)</li> <li>(Re-)generate all generated sources via mvn</li> <li>Run Linting (flake8)</li> <li>Run Tests via pytest</li> <li>Build</li> <li>Release to pypi</li></ul></div> <div class="page-nav"><p class="inner"><span class="prev">
←
- <a href="/UserGuide/Master/API/Programming-Java-Native-API.html" class="prev">
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+ <a href="/UserGuide/Master/API/Programming-JDBC.html" class="prev">
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@@ -121,6 +121,6 @@ Namely, these are</p> <ul><li>Remove all transient directories from last release
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/61.25557e44.js" defer></script>
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diff --git a/UserGuide/Master/API/Programming-TsFile-API.html b/UserGuide/Master/API/Programming-TsFile-API.html
index bf1a629..5611239 100644
--- a/UserGuide/Master/API/Programming-TsFile-API.html
+++ b/UserGuide/Master/API/Programming-TsFile-API.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/62.1dff34f7.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<span class="token builtin class-name">cd</span> tsfile/
mvn clean package -Dmaven.test.skip<span class="token operator">=</span>true
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars are in folder named <code>target/</code>. Import <code>target/tsfile-0.12.0-jar-with-dependencies.jar</code> to your project.</p> <ul><li><p>Use as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the source codes</p> <div cla [...]
@@ -278,6 +278,6 @@ config<span class="token punctuation">.</span><span class="token function">setXX
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/API/Time-zone.html b/UserGuide/Master/API/Time-zone.html
index 6c83d99..727214d 100644
--- a/UserGuide/Master/API/Time-zone.html
+++ b/UserGuide/Master/API/Time-zone.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/63.173d5623.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -54,14 +54,15 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/API/Time-zone.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/API/Time-zone.h [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<span class="token class-name">Session</span><span class="token operator">:</span> session<span class="token punctuation">.</span><span class="token function">setTimeZone</span><span class="token punctuation">(</span><span class="token string">"+08:00"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>In the CLI command line tool, the way to manually set the time zone through SQL is as follows:</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token class-name">SET</span> time_zone<span class="token operator">=</span><span class="token operator">+</span><span class=" [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The way to view the time zone used by the current connection is as follows:</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code>JDBC<span class="token operator">:</span> <span class="token punctuation">(</span><span class="token class-name">IoTDBConnection</span><span class="token punctuation">)</span> connection<span class="token punctuation">.</span><span c [...]
<span class="token class-name">Session</span><span class="token operator">:</span> session<span class="token punctuation">.</span><span class="token function">getTimeZone</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="time-zone-usage-scenarios"><a href="#time-zone-usage-scenarios" class="header-anchor">#</a> Time zone usage scenarios</h2> <p>The IoTDB server only stores and processes time stamps, and the time zone is only used to interact with clients. The specific scenarios are as follows:</p> <ol><li><p>Convert the time [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>In CLI:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SHOW</span> time_zone
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="time-zone-usage-scenarios"><a href="#time-zone-usage-scenarios" class="header-anchor">#</a> Time zone usage scenarios</h2> <p>The IoTDB server only stores and processes time stamps, and the time zone is only used to interact with clients. The specific scenarios are as follows:</p> <ol><li><p>Convert the time format string sent from the client to the corresponding time stamp.</p> <p>F [...]
| Time|root.sg.d1.s1|
+-----------------------------+-------------+
|2021-07-01T08:00:00.000+08:00| 3.14|
@@ -83,6 +84,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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+ <script src="/assets/js/app.7e72c28b.js" defer></script><script src="/assets/js/3.c53a3153.js" defer></script><script src="/assets/js/4.8cacb85f.js" defer></script><script src="/assets/js/63.173d5623.js" defer></script>
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diff --git a/UserGuide/Master/Administration-Management/Administration.html b/UserGuide/Master/Administration-Management/Administration.html
index 93a5c9c..51edf10 100644
--- a/UserGuide/Master/Administration-Management/Administration.html
+++ b/UserGuide/Master/Administration-Management/Administration.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/64.4971993b.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
+ <link rel="stylesheet" href="/assets/css/0.styles.b938c1b9.css">
</head>
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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License
@@ -54,7 +54,7 @@
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
At the same time, in the JAVA programming environment, you can use the <a href="/UserGuide/Master/API/Programming-JDBC.html">Java JDBC</a> to execute privilege management statements in a single or batch mode.</p> <h2 id="basic-concepts"><a href="#basic-concepts" class="header-anchor">#</a> Basic Concepts</h2> <h3 id="user"><a href="#user" class="header-anchor">#</a> User</h3> <p>The user is the legal user of the database. A user corresponds to a unique username and has a password as a me [...]
CREATE USER sgcc_write_user 'write_pwd'
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then use the following SQL statement to show the user:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
@@ -69,12 +69,12 @@ Total line number = 3
It costs 0.004s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="grant-user-privilege"><a href="#grant-user-privilege" class="header-anchor">#</a> [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 602: No permissions for this operation INSERT
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Now, we grant the two users write privileges to the corresponding storage groups, and try to write data again. The SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER ln_write_user PRIVILEGES 'INSERT_TIMESERIES' on root.ln
-GRANT USER sgcc_write_user PRIVILEGES 'INSERT_TIMESERIES' on root.sgcc
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Now, we grant the two users write privileges to the corresponding storage groups, and try to write data again. The SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER ln_write_user PRIVILEGES INSERT_TIMESERIES on root.ln
+GRANT USER sgcc_write_user PRIVILEGES INSERT_TIMESERIES on root.sgcc
INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>The execution result is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> GRANT USER ln_write_user PRIVILEGES 'INSERT_TIMESERIES' on root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>The execution result is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> GRANT USER ln_write_user PRIVILEGES INSERT_TIMESERIES on root.ln
Msg: The statement is executed successfully.
-IoTDB> GRANT USER sgcc_write_user PRIVILEGES 'INSERT_TIMESERIES' on root.sgcc
+IoTDB> GRANT USER sgcc_write_user PRIVILEGES INSERT_TIMESERIES on root.sgcc
Msg: The statement is executed successfully.
IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
Msg: The statement is executed successfully.
@@ -82,14 +82,14 @@ Msg: The statement is executed successfully.
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diff --git a/UserGuide/Master/Advanced-Features/Alerting.html b/UserGuide/Master/Advanced-Features/Alerting.html
index 8fe1afd..081a0c6 100644
--- a/UserGuide/Master/Advanced-Features/Alerting.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8">
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,7 +54,7 @@
Current Events
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
If the alerting requirements are met, an alert is sent to the data sink,
The data sink then forwards the alert to the external terminal.</p> <ul><li>This mode is suitable for scenarios that need to monitor every piece of data in real time.</li> <li>Since the operation in the trigger will affect the data writing performance, it is suitable for scenarios that are not sensitive to the original data writing performance.</li></ul></li> <li><p>Continuous query: the user writes data to the original time series,
<code>ContinousQuery</code> periodically queries the original time series, and writes the query results into the new time series,
@@ -63,7 +63,7 @@ If the alerting requirements are met, an alert is sent to the data sink,
The data sink then forwards the alert to the external terminal.</p> <ul><li>This mode is suitable for scenarios where data needs to be regularly queried within a certain period of time.</li> <li>It is Suitable for scenarios where the original data needs to be down-sampled and persisted.</li> <li>Since the timing query hardly affects the writing of the original time series, it is suitable for scenarios that are sensitive to the performance of the original data writing performance.</li></u [...]
at present, users can use these two modules with <code>AlertManager</code> to realize the writing triggered alerting mode.</p> <h2 id="deploying-alertmanager"><a href="#deploying-alertmanager" class="header-anchor">#</a> Deploying AlertManager</h2> <h3 id="installation"><a href="#installation" class="header-anchor">#</a> Installation</h3> <h4 id="precompiled-binaries"><a href="#precompiled-binaries" class="header-anchor">#</a> Precompiled binaries</h4> <p>The pre-compiled binary file can [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="docker-image"><a href="#docker-image" class="header-anchor">#</a> Docker image</h4> <p>Available at <a href="https://hub.docker.com/r/prom/alertmanager/" target="_blank" rel="noopener noreferrer">Quay.io<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="curre [...]
-or <a href="https://quay.io/repository/prometheus/alertmanager" target="_blank" rel="noopener noreferrer">Docker Hub<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54. [...]
+or <a href="https://quay.io/repository/prometheus/alertmanager" target="_blank" rel="noopener noreferrer">Docker Hub<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54. [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="configuration"><a href="#configuration" class="header-anchor">#</a> Configuration</h3> <p>The following is an example, which can cover most of the configuration rules. For detailed configuration rules, see
<a href="https://prometheus.io/docs/alerting/latest/configuration/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 [...]
@@ -333,10 +333,18 @@ by writing data to the time series.</p> <div class="language-sql line-numbers-mo
we can receive an alerting email. Because our <code>AlertManager</code> configuration above
makes alerts of <code>critical</code> severity inhibit those of <code>warning</code> severity,
the alerting email we receive only contains the alert triggered
-by the writing of <code>(5, 120)</code>.</p> <img width="669" alt="alerting" src="https://user-images.githubusercontent.com/34649843/115957896-a9791080-a537-11eb-9962-541412bdcee6.png"></div> <!----> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
+by the writing of <code>(5, 120)</code>.</p> <img width="669" alt="alerting" src="https://user-images.githubusercontent.com/34649843/115957896-a9791080-a537-11eb-9962-541412bdcee6.png"></div> <div class="page-nav"><p class="inner"><span class="prev">
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+ Triggers
+ </a></span> <span class="next"><a href="/UserGuide/Master/Library-UDF/Get-Started.html">
+ Get Started
+ </a>
+ →
+ </span></p></div> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Advanced-Features/Continuous-Query.html b/UserGuide/Master/Advanced-Features/Continuous-Query.html
index 8187366..45fac49 100644
--- a/UserGuide/Master/Advanced-Features/Continuous-Query.html
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@@ -4,7 +4,7 @@
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -40,7 +40,7 @@
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -54,7 +54,7 @@
Current Events
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
and query all registered CQ configuration information through SQL statements.</p> <h2 id="sql-statements"><a href="#sql-statements" class="header-anchor">#</a> SQL statements</h2> <h3 id="create-cq"><a href="#create-cq" class="header-anchor">#</a> Create CQ</h3> <h4 id="syntax"><a href="#syntax" class="header-anchor">#</a> Syntax</h4> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">CREATE</span> CONTINUOUS QUERY <span class="token o [...]
<span class="token punctuation">[</span>RESAMPLE EVERY <span class="token operator"><</span>every_interval<span class="token operator">></span> <span class="token keyword">FOR</span> <span class="token operator"><</span>for_interval<span class="token operator">></span><span class="token punctuation">]</span>
<span class="token keyword">BEGIN</span>
@@ -62,7 +62,7 @@ and query all registered CQ configuration information through SQL statements.</p
<span class="token keyword">FROM</span> <span class="token operator"><</span>path_prefix<span class="token operator">></span>
<span class="token keyword">GROUP</span> <span class="token keyword">BY</span> <span class="token keyword">time</span><span class="token punctuation">(</span><span class="token operator"><</span>group_by_interval<span class="token operator">></span><span class="token punctuation">)</span> <span class="token punctuation">[</span><span class="token punctuation">,</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token operator"><</s [...]
<span class="token keyword">END</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li><code><cq_id></code> specifies the globally unique id of CQ.</li> <li><code><every_interval></code> specifies the query execution time interval. W [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li><code><cq_id></code> specifies the globally unique id of CQ.</li> <li><code><every_interval></code> specifies the query execution time interval. W [...]
<ul><li>The values of <code><every_interval></code>, <code><for_interval></code> and <code><group_by_interval></code> should all be greater than 0.</li> <li>The value of <code><group_by_interval></code> should be less than the value of <code><for_interval></code>, otherwise the system will process the value equal to <code><for_interval></code>.</li> <li>The user should specify the appropriate <code><for_interval></code> and <code><every_interv [...]
<ul><li>If <code><for_interval></code> is greater than <code><every_interval></code>, there will be partial data overlap in each query window. This configuration is not recommended from the perspective of query performance.</li> <li>If <code><for_interval></code> is less than <code><every_interval></code>, there may be uncovered data between each query window.</li></ul></li></ul></li> <li>For the result series path
<ul><li>The user can choose to specify <code><full_path></code>, which is the complete time series path starting with <code>root</code>. The user can use the <code>${x}</code> variable in the path to represent the node name of <code>level = x</code> in the original time series. <code>x</code> should be greater than or equal to 0 and less than or equal to the value of <code><level></code>
@@ -166,14 +166,14 @@ and <code>root.ln_cq.wf01.temperature_avg</code> is generated by the aggregation
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diff --git a/UserGuide/Master/Advanced-Features/Select-Into.html b/UserGuide/Master/Advanced-Features/Select-Into.html
index 4e9f57e..20d382e 100644
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+++ b/UserGuide/Master/Advanced-Features/Select-Into.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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@@ -40,7 +40,7 @@
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Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
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@@ -54,7 +54,7 @@
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
intoClause?
fromClause
whereClause?
@@ -91,6 +91,9 @@ intoPath
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div></li> <li><p>Arithmetic query</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> s1<span class="token punctuation">,</span> sin<span class="token punctuation">(</span>s2<span class="token punctuation">)</span><span class="token punctuation">,</spa [...]
<span class="token keyword">into</span> t1<span class="token punctuation">,</span> t2<span class="token punctuation">,</span> t3
<span class="token keyword">from</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div></li> <li><p>Nested query</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token operator">-</span>s1<span class="token punctuation">,</span> sin<span class="token punctuation">(</span>cos<span class="token punctuation">(</span>tan< [...]
+<span class="token keyword">into</span> t1<span class="token punctuation">,</span> t2<span class="token punctuation">,</span> t3
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div></li> <li><p>Fill query</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> s1
<span class="token keyword">into</span> fill_s1
<span class="token keyword">from</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1
@@ -129,6 +132,6 @@ fill <span class="token punctuation">(</span><span class="token keyword">float</
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diff --git a/UserGuide/Master/Advanced-Features/Triggers.html b/UserGuide/Master/Advanced-Features/Triggers.html
index f20860e..0ee7391 100644
--- a/UserGuide/Master/Advanced-Features/Triggers.html
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License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,7 +54,7 @@
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GitHub
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>iotdb-server<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>0.13.0-SNAPSHOT<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
@@ -82,10 +82,10 @@
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Note that currently the return value of the hook is meaningless.</p> <h4 id="important-notes"><a href="#important-notes" class="header-anchor">#</a> Important Note [...]
<span class="token keyword">AFTER</span> <span class="token keyword">INSERT</span>
<span class="token keyword">ON</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s1
-<span class="token keyword">AS</span> <span class="token string">"org.apache.iotdb.db.engine.trigger.example.AlertListener"</span>
+<span class="token keyword">AS</span> <span class="token string">'org.apache.iotdb.db.engine.trigger.example.AlertListener'</span>
<span class="token keyword">WITH</span> <span class="token punctuation">(</span>
- <span class="token string">"lo"</span> <span class="token operator">=</span> <span class="token string">"0"</span><span class="token punctuation">,</span>
- <span class="token string">"hi"</span> <span class="token operator">=</span> <span class="token string">"100.0"</span>
+ <span class="token string">'lo'</span> <span class="token operator">=</span> <span class="token string">'0'</span><span class="token punctuation">,</span>
+ <span class="token string">'hi'</span> <span class="token operator">=</span> <span class="token string">'100.0'</span>
<span class="token punctuation">)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li></ol> <p>The following shows the SQL syntax of registering a trigger.</p> <div class="language-sql line-numbers-mode"><pre [...]
<span class="token punctuation">(</span>BEFORE <span class="token operator">|</span> <span class="token keyword">AFTER</span><span class="token punctuation">)</span> <span class="token keyword">INSERT</span>
@@ -266,7 +266,7 @@ alertManagerHandler<span class="token punctuation">.</span><span class="token fu
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>trigger<span class="token punctuation">.</span>api<span class="token punctuation">.</span></span><span class="token class-name">Trigger</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>trigger<span class="token punctuation">.</span>api<span class="token punctuation">.</span></span><span class="token class-name">TriggerAttributes</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>metadata<span class="token punctuation">.</span></span><span class="token class-name">PartialPath</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>metadata<span class="token punctuation">.</span>path<span class="token punctuation">.</span></span><span class="token class-name">PartialPath</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>trigger<span class="token punctuation">.</span>sink<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">MQTTConfiguration</span>< [...]
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>trigger<span class="token punctuation">.</span>sink<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">MQTTEvent</span><span cla [...]
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>trigger<span class="token punctuation">.</span>sink<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">MQTTHandler</span><span c [...]
@@ -376,10 +376,10 @@ alertManagerHandler<span class="token punctuation">.</span><span class="token fu
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Place the JAR (<code>trigger-example-0.13.0-SNAPSHOT.jar</code>) of <strong>trigger-example</strong> in the directory <code>iotdb-server-0.13.0-SNAPSHOT/ext/trigger</code> (or in a subdirectory of <code>iotdb-server-0.13.0-SNAPSHOT/ext/trigger</code>)</p> <blockquote><p>You can specify the root path to load the trigger JAR package by modifying the <code>trigger_root_dir</code> i [...]
<span class="token keyword">AFTER</span> <span class="token keyword">INSERT</span>
<span class="token keyword">ON</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s1
-<span class="token keyword">AS</span> <span class="token string">"org.apache.iotdb.trigger.TriggerExample"</span>
+<span class="token keyword">AS</span> <span class="token string">'org.apache.iotdb.trigger.TriggerExample'</span>
<span class="token keyword">WITH</span> <span class="token punctuation">(</span>
- <span class="token string">"lo"</span> <span class="token operator">=</span> <span class="token string">"0"</span><span class="token punctuation">,</span>
- <span class="token string">"hi"</span> <span class="token operator">=</span> <span class="token string">"10.0"</span>
+ <span class="token string">'lo'</span> <span class="token operator">=</span> <span class="token string">'0'</span><span class="token punctuation">,</span>
+ <span class="token string">'hi'</span> <span class="token operator">=</span> <span class="token string">'10.0'</span>
<span class="token punctuation">)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li> <li><p>Use cli to insert test data</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span c [...]
<span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> s1<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</s [...]
@@ -401,10 +401,18 @@ alertManagerHandler<span class="token punctuation">.</span><span class="token fu
<span class="token operator">+</span><span class="token comment">-----------------------------+--------------------+-------------------+</span>
Total line number <span class="token operator">=</span> <span class="token number">1</span>
It costs <span class="token number">0.006</span>s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li></ul> <p>That's all, please enjoy it 😄</p> <h2 id="important-notes-2"><a href="#important-notes-2" class="header-anchor">#< [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li></ul> <p>That's all, please enjoy it 😄</p> <h2 id="important-notes-2"><a href="#important-notes-2" class="header-anchor">#< [...]
+ ←
+ <a href="/UserGuide/Master/Advanced-Features/Continuous-Query.html" class="prev">
+ CQ (Continuous Query)
+ </a></span> <span class="next"><a href="/UserGuide/Master/Advanced-Features/Alerting.html">
+ Alerting
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+ →
+ </span></p></div> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
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diff --git a/UserGuide/Master/Advanced-Features/UDF-User-Defined-Function.html b/UserGuide/Master/Advanced-Features/UDF-User-Defined-Function.html
index 426cc27..9c1f24a 100644
--- a/UserGuide/Master/Advanced-Features/UDF-User-Defined-Function.html
+++ b/UserGuide/Master/Advanced-Features/UDF-User-Defined-Function.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/69.06f164fc.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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</head>
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,7 +54,7 @@
Current Events
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<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>iotdb-server<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>0.13.0-SNAPSHOT<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
@@ -185,16 +185,19 @@ Here is a simple example:</p> <div class="language-java line-numbers-mode"><pre
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Here is an example:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">CREATE</span> <span class="token keyword">FUNCTION</span> example <span class="token keyword">AS</span> <span class="token string">"org.apache.iotdb.udf.ExampleUDTF"</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+**Note that when deploying a cluster, you need to ensure that there is a corresponding JAR package in the UDF JAR package path of each node. **</p> <blockquote><p>You can specify the root path for the UDF to load the Jar by modifying the 'udf_root_dir' in the configuration file.</p></blockquote></li> <li><p>Register the UDF with the SQL statement, assuming that the name given to the UDF is <code>example</code>.</p></li></ol> <p>The following shows the SQL syntax of how to register a UDF. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Here is an example:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">CREATE</span> <span class="token keyword">FUNCTION</span> example <span class="token keyword">AS</span> <span class="token string">'org.apache.iotdb.udf.ExampleUDTF'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Since UDF instances are dynamically loaded through reflection technology, you do not need to restart the server during the UDF registration process.</p> <p>Note: UDF function names are not case sensitive.</p> <p>Note: Please ensure that the function name given to the UDF is different from all built-in function names. A UDF with the same name as a built-in function cannot be registered.</p [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Here is an example:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">DROP</span> <span class="token keyword">FUNCTION</span> example
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="udf-queries"><a href="#udf-queries" class="header-anchor">#</a> UDF Queries</h2> <p>The usage of UDF is similar to that of built-in aggregation functions.</p> <h3 id="basic-sql-syntax-support"><a href="#basic-sql-syntax-support" class="header-anchor">#</a> Basic SQL syntax support</h3> <ul><li>Support <code>SLIMIT</code> / <code>SOFFSET</code></li> <li>Support <code>LIMIT</code> / <c [...]
-<span class="token keyword">SELECT</span> example<span class="token punctuation">(</span>s1<span class="token punctuation">,</span> s2<span class="token punctuation">,</span> <span class="token string">"key1"</span><span class="token operator">=</span><span class="token string">"value1"</span><span class="token punctuation">,</span> <span class="token string">"key2"</span><span class="token operator">=</span><span class="token string">"value2"</spa [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="hybrid-queries"><a href="#hybrid-queries" class="header-anchor">#</a> Hybrid Queries</h3> <p>Currently IoTDB supports hybrid queries of UDF queries and raw data queries, for example:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SELECT</span> s1<span class="token punctuation">,</span> [...]
-<span class="token keyword">SELECT</span> <span class="token operator">*</span><span class="token punctuation">,</span> example<span class="token punctuation">(</span><span class="token operator">*</span><span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1 NON ALIGN<span class="token punctuation">;</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="show-all-registered-udfs"><a href="#show-all-registered-udfs" class="header-anchor">#</a> Show All Registered UDFs</h2> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SHOW</span> FUNCTIONS
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="user-permission-management"><a href="#user-permission-management" class="header-anchor">#</a> User Permission Management</h2> <p>There are 3 types of user permissions related to UDF:</p> <ul><li><code>CREATE_FUNCTION</code>: Only users with this permission are allowed to register UDFs</li> <li><code>DROP_FUNCTION</code>: Only users with this permission are allowed to deregister UDFs< [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="udf-queries"><a href="#udf-queries" class="header-anchor">#</a> UDF Queries</h2> <p>The usage of UDF is similar to that of built-in aggregation functions.</p> <h3 id="basic-sql-syntax-support"><a href="#basic-sql-syntax-support" class="header-anchor">#</a> Basic SQL syntax support</h3> <ul><li>Support <code>SLIMIT</code> / <code>SOFFSET</code></li> <li>Support <code>LIMIT</code> / <c [...]
+<span class="token keyword">SELECT</span> example<span class="token punctuation">(</span>s1<span class="token punctuation">,</span> s2<span class="token punctuation">,</span> <span class="token string">'key1'</span><span class="token operator">=</span><span class="token string">'value1'</span><span class="token punctuation">,</span> <span class="token string">'key2'</span><span class="token operator">=</span><span class="token string">'value2'</span><span class="token punctuation">)</spa [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="nested-queries"><a href="#nested-queries" class="header-anchor">#</a> Nested Queries</h3> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SELECT</span> s1<span class="token punctuation">,</span> s2<span class="token punctuation">,</span> example<span class="token punctuation">(</span>s1<span [...]
+<span class="token keyword">SELECT</span> <span class="token operator">*</span><span class="token punctuation">,</span> example<span class="token punctuation">(</span><span class="token operator">*</span><span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1 <span class="token keyword">DISABLE</span> ALIGN<span class="token punctuation">;</span>
+<span class="token keyword">SELECT</span> s1 <span class="token operator">*</span> example<span class="token punctuation">(</span><span class="token operator">*</span> <span class="token operator">/</span> s1 <span class="token operator">+</span> s2<span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1<span class="token punctuation">;</span>
+<span class="token keyword">SELECT</span> s1<span class="token punctuation">,</span> s2<span class="token punctuation">,</span> s1 <span class="token operator">+</span> example<span class="token punctuation">(</span>s1<span class="token punctuation">,</span> s2<span class="token punctuation">)</span><span class="token punctuation">,</span> s1 <span class="token operator">-</span> example<span class="token punctuation">(</span>s1 <span class="token operator">+</span> example<span class="t [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="show-all-registered-udfs"><a href="#show-all-registered-udfs" class="header-anchor">#</a> Show All Registered UDFs</h2> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SHOW</span> FUNCTIONS
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="user-permission-management"><a href="#user-permission-management" class="header-anchor">#</a> User Permission Management</h2> <p>There are 3 types of user permissions related to UDF:</p> <ul><li><code>CREATE_FUNCTION</code>: Only users with this permission are allowed to register UDFs</li> <li><code>DROP_FUNCTION</code>: Only users with this permission are allowed to deregister UDFs< [...]
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-In the parameters described below, these parameters whose way of <code>Effective</code> is <code>trigger</code> support hot modification.</p> <p>Trigger way: The client sends the command <code>load configuration</code> to the IoTDB server. See Chapter 4 for the usage of the client.</p> <h2 id="iotdb-environment-configuration-file"><a href="#iotdb-environment-configuration-file" class="header-anchor">#</a> IoTDB Environment Configuration File</h2> <p>The environment configuration file is [...]
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+In the parameters described below, these parameters whose way of <code>Effective</code> is <code>trigger</code> support hot modification.</p> <p>Trigger way: The client sends the command <code>load configuration</code> to the IoTDB server. See Chapter 4 for the usage of the client.</p> <h2 id="iotdb-environment-configuration-file"><a href="#iotdb-environment-configuration-file" class="header-anchor">#</a> IoTDB Environment Configuration File</h2> <p>The environment configuration file is [...]
For performance tuning, you may want to collect the GC info.</p> <p>To enable GC log, just add a parameter "printgc" when you start the server.</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-server.sh printgc <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor import [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-server.bat printgc
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC log is stored at <code>IOTDB_HOME/logs/gc.log</code>.
@@ -71,6 +71,6 @@ There will be at most 10 gc.log.* files and each one can reach to 10MB.</p></div
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Appendix/SQL-Reference.html b/UserGuide/Master/Appendix/SQL-Reference.html
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@@ -40,7 +40,7 @@
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@@ -54,7 +54,7 @@
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</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------+
| version|
+---------------+
@@ -64,37 +64,42 @@ Total line number = 1
It costs 0.417s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="schema-statement"><a href="#schema-statement" class="header-anchor">#</a> Schema Statement</h2> <ul><li>Set Storage Group</li></ul> <div class="language-SQL l [...]
Eg: IoTDB <span class="token operator">></span> <span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01
-Note: FullPath can <span class="token operator">not</span> include <span class="token punctuation">`</span><span class="token operator">*</span><span class="token punctuation">`</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Delete Storage Group</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE STORAGE GROUP <FullPath> [COMMA <FullPath>]*
+Note: FullPath can <span class="token operator">not</span> include wildcard <span class="token identifier"><span class="token punctuation">`</span>*<span class="token punctuation">`</span></span> <span class="token operator">or</span> <span class="token identifier"><span class="token punctuation">`</span>**<span class="token punctuation">`</span></span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Delete Storage Group</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE STORAGE GROUP <PathPattern> [COMMA <PathPattern>]*
Eg: IoTDB > DELETE STORAGE GROUP root.ln.wf01.wt01
Eg: IoTDB > DELETE STORAGE GROUP root.ln.wf01.wt01, root.ln.wf01.wt02
Eg: IoTDB > DELETE STORAGE GROUP root.ln.wf01.*
-Eg: IoTDB > DELETE STORAGE GROUP root.*
+Eg: IoTDB > DELETE STORAGE GROUP root.**
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Create Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE TIMESERIES <FullPath> WITH <AttributeClauses>
alias
: LR_BRACKET ID RR_BRACKET
;
attributeClauses
- : DATATYPE OPERATOR_EQ dataType COMMA ENCODING OPERATOR_EQ encoding
- (COMMA (COMPRESSOR | COMPRESSION) OPERATOR_EQ compressor=propertyValue)?
+ : DATATYPE OPERATOR_EQ <DataTypeValue>
+ COMMA ENCODING OPERATOR_EQ <EncodingValue>
+ (COMMA (COMPRESSOR | COMPRESSION) OPERATOR_EQ <CompressorValue>)?
(COMMA property)*
tagClause
attributeClause
;
attributeClause
- : (ATTRIBUTES LR_BRACKET property (COMMA property)* RR_BRACKET)?
+ : ATTRIBUTES LR_BRACKET propertyClause (COMMA propertyClause)* RR_BRACKET
;
tagClause
- : (TAGS LR_BRACKET property (COMMA property)* RR_BRACKET)?
+ : TAGS LR_BRACKET propertyClause (COMMA propertyClause)* RR_BRACKET
+ ;
+propertyClause
+ : name=ID OPERATOR_EQ propertyValue
;
DataTypeValue: BOOLEAN | DOUBLE | FLOAT | INT32 | INT64 | TEXT
EncodingValue: GORILLA | PLAIN | RLE | TS_2DIFF | REGULAR
CompressorValue: UNCOMPRESSED | SNAPPY
-propertyValue: SDT | COMPDEV | COMPMINTIME | COMPMAXTIME
+AttributesType: SDT | COMPDEV | COMPMINTIME | COMPMAXTIME
+PropertyValue: ID | constant
Eg: CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN
Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE
Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, COMPRESSOR=SNAPPY, MAX_POINT_NUMBER=3
-Eg: create timeseries root.turbine.d0.s0(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY tags(unit=f, description='turbine this is a test1') attributes(H_Alarm=100, M_Alarm=50)
+Eg: CREATE TIMESERIES root.turbine.d0.s0(temperature) WITH DATATYPE=FLOAT, ENCODING=RLE, COMPRESSOR=SNAPPY tags(unit=f, description='turbine this is a test1') attributes(H_Alarm=100, M_Alarm=50)
Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, LOSS=SDT, COMPDEV=0.01
Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, LOSS=SDT, COMPDEV=0.01, COMPMINTIME=3
Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, LOSS=SDT, COMPDEV=0.01, COMPMINTIME=2, COMPMAXTIME=15
@@ -103,20 +108,49 @@ Note: When propertyValue is SDT, it is required to set compression deviation COM
Note: For SDT, values withtin COMPDEV will be discarded.
Note: For SDT, it is optional to set compression minimum COMPMINTIME, which is the minimum time difference between stored values for purpose of noise reduction.
Note: For SDT, it is optional to set compression maximum COMPMAXTIME, which is the maximum time difference between stored values regardless of COMPDEV.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-attributeClauses
- : (MEASUREMENT_NAME DATATYPE OPERATOR_EQ dataType COMMA ENCODING OPERATOR_EQ encoding
- (COMMA (COMPRESSOR | COMPRESSION) OPERATOR_EQ compressor=propertyValue)?
- (COMMA property)*)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+SimplifiedAttributeClauses
+ : <DataTypeValue>
+ ENCODING OPERATOR_EQ <EncodingValue>
+ ((COMPRESSOR | COMPRESSION) OPERATOR_EQ <CompressorValue>)?
+ (COMMA property)*
+ tagClause
attributeClause
;
-Eg: create schema template temp1(
- (s1 INT32 with encoding=Gorilla, compression=SNAPPY),
- (s2 FLOAT with encoding=RLE, compression=SNAPPY)
- )
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><ul><li>Set [...]
-Eg: set schema template temp1 to root.beijing
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Delete Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE TIMESERIES <PrefixPath> [COMMA <PrefixPath>]*
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.status BOOLEAN ENCODING=PLAIN
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature FLOAT ENCODING=RLE
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature FLOAT ENCODING=RLE COMPRESSOR=SNAPPY MAX_POINT_NUMBER=3
+Eg: CREATE TIMESERIES root.turbine.d0.s0(temperature) FLOAT ENCODING=RLE COMPRESSOR=SNAPPY tags(unit=f, description='turbine this is a test1') attributes(H_Alarm=100, M_Alarm=50)
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature FLOAT ENCODING=RLE LOSS=SDT COMPDEV=0.01
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature FLOAT ENCODING=RLE LOSS=SDT COMPDEV=0.01 COMPMINTIME=3
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature FLOAT ENCODING=RLE LOSS=SDT COMPDEV=0.01 COMPMINTIME=2 COMPMAXTIME=15
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+alignedMeasurements
+ : LR_BRACKET nodeNameWithoutWildcard attributeClauses
+ (COMMA nodeNameWithoutWildcard attributeClauses)+ RR_BRACKET
+ ;
+Eg: CREATE ALIGNED TIMESERIES root.ln.wf01.GPS(lat FLOAT ENCODING=GORILLA, lon FLOAT ENCODING=GORILLA COMPRESSOR=SNAPPY)
+Note: It is not supported to set different compression for a group of aligned timeseries.
+Note: It is not currently supported to set an alias, tag, and attribute for aligned timeseries.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Create Schema Template Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CRE [...]
+templateMeasurementClause
+ : nodeNameWithoutWildcard attributeClauses #nonAlignedTemplateMeasurement
+ | alignedDevice=nodeNameWithoutWildcard LR_BRACKET nodeNameWithoutWildcard attributeClauses
+ (COMMA nodeNameWithoutWildcard attributeClauses)+ RR_BRACKET #alignedTemplateMeasurement
+ ;
+Eg: CREATE SCHEMA TEMPLATE temp1(
+ s1 INT32 encoding=Gorilla, compression=SNAPPY,
+ vector1(
+ s1 INT32 encoding=Gorilla,
+ s2 FLOAT encoding=RLE, compression=SNAPPY)
+ )
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Eg: SET SCHEMA TEMPLATE temp1 TO root.beijing
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Create Timeseries Of Schema Template Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE TIMESERIES OF SCHEMA TEMPLATE ON <STORAGE_GROUP_NAME>
+Eg: CREATE TIMESERIES OF SCHEMA TEMPLATE ON root.beijing
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Unset Schema Template Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>UNSET SCHEMA TEMPLATE <TemplateName> FROM <STORAGE_GROUP_NAME>
+Eg: UNSET SCHEMA TEMPLATE temp1 FROM root.beijing
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Delete Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE TIMESERIES <PathPattern> [COMMA <PathPattern>]*
Eg: IoTDB > DELETE TIMESERIES root.ln.wf01.wt01.status
Eg: IoTDB > DELETE TIMESERIES root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature
Eg: IoTDB > DELETE TIMESERIES root.ln.wf01.wt01.*
@@ -145,13 +179,13 @@ EG: ALTER timeseries root.turbine.d1.s1 UPSERT TAGS(tag2=newV2, tag3=v3) ATTRIBU
Eg: IoTDB > SHOW TIMESERIES
Note: This statement can only be used in IoTDB Client. If you need to show all timeseries in JDBC, please use `DataBaseMetadata` interface.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Specific Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES <Path>
-Eg: IoTDB > SHOW TIMESERIES root
-Eg: IoTDB > SHOW TIMESERIES root.ln
+Eg: IoTDB > SHOW TIMESERIES root.**
+Eg: IoTDB > SHOW TIMESERIES root.ln.**
Eg: IoTDB > SHOW TIMESERIES root.ln.*.*.status
Eg: IoTDB > SHOW TIMESERIES root.ln.wf01.wt01.status
-Note: The path can be prefix path, star path or timeseries path
+Note: The path can be timeseries path or path pattern.
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Show Specific Timeseries Statement with where clause</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES prefi [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Show Specific Timeseries Statement with where clause</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES pathP [...]
showWhereClause
: WHERE (property | containsExpression)
;
@@ -159,9 +193,9 @@ containsExpression
: name=ID OPERATOR_CONTAINS value=propertyValue
;
-Eg: show timeseries root.ln where unit='c'
-Eg: show timeseries root.ln where description contains 'test1'
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><ul><li>Show Specific Timeseries Statement with whe [...]
+Eg: show timeseries root.ln.** where unit='c'
+Eg: show timeseries root.ln.** where description contains 'test1'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><ul><li>Show Specific Timeseries Statement with whe [...]
showWhereClause
: WHERE (property | containsExpression)
@@ -174,63 +208,61 @@ limitClause
| offsetClause? LIMIT INT
;
-Eg: show timeseries root.ln where unit='c'
-Eg: show timeseries root.ln where description contains 'test1'
-Eg: show timeseries root.ln where unit='c' limit 10 offset 10
+Eg: show timeseries root.ln.** where unit='c'
+Eg: show timeseries root.ln.** where description contains 'test1'
+Eg: show timeseries root.ln.** where unit='c' limit 10 offset 10
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
Eg: IoTDB > SHOW STORAGE GROUP
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Specific Storage Group Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW STORAGE GROUP <PrefixPath>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Specific Storage Group Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW STORAGE GROUP <Path>
Eg: IoTDB > SHOW STORAGE GROUP root.*
Eg: IoTDB > SHOW STORAGE GROUP root.ln
-Note: The path can be prefix path or star path.
+Note: The path can be full path or path pattern.
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Show Merge Status Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW MERGE
-Eg: IoTDB > SHOW MERGE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Show Merge Status Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW MERGE INFO
+Eg: IoTDB > SHOW MERGE INFO
Note: This statement can be used in IoTDB Client and JDBC.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Count Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT TIMESERIES <Path>
-Eg: IoTDB > COUNT TIMESERIES root
-Eg: IoTDB > COUNT TIMESERIES root.ln
+Eg: IoTDB > COUNT TIMESERIES root.**
+Eg: IoTDB > COUNT TIMESERIES root.ln.**
Eg: IoTDB > COUNT TIMESERIES root.ln.*.*.status
Eg: IoTDB > COUNT TIMESERIES root.ln.wf01.wt01.status
-Note: The path can be prefix path, star path or timeseries path.
+Note: The path can be timeseries path or path pattern.
Note: This statement can be used in IoTDB Client and JDBC.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT TIMESERIES <Path> GROUP BY LEVEL=<INTEGER>
-Eg: IoTDB > COUNT TIMESERIES root GROUP BY LEVEL=1
-Eg: IoTDB > COUNT TIMESERIES root.ln GROUP BY LEVEL=2
-Eg: IoTDB > COUNT TIMESERIES root.ln.wf01 GROUP BY LEVEL=3
-Note: The path can be prefix path or timeseries path.
+Eg: IoTDB > COUNT TIMESERIES root.** GROUP BY LEVEL=1
+Eg: IoTDB > COUNT TIMESERIES root.ln.** GROUP BY LEVEL=2
+Eg: IoTDB > COUNT TIMESERIES root.ln.wf01.* GROUP BY LEVEL=3
+Note: The path can be timeseries path or path pattern.
Note: This statement can be used in IoTDB Client and JDBC.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Count Nodes Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT NODES <Path> LEVEL=<INTEGER>
-Eg: IoTDB > COUNT NODES root LEVEL=2
-Eg: IoTDB > COUNT NODES root.ln LEVEL=2
+Eg: IoTDB > COUNT NODES root.** LEVEL=2
+Eg: IoTDB > COUNT NODES root.ln.** LEVEL=2
Eg: IoTDB > COUNT NODES root.ln.* LEVEL=3
Eg: IoTDB > COUNT NODES root.ln.wf01 LEVEL=3
-Note: The path can be prefix path or timeseries path.
+Note: The path can be full path or path pattern.
Note: This statement can be used in IoTDB Client and JDBC.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Show All Devices Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW DEVICES (WITH STORAGE GROUP)? limitClause?
Eg: IoTDB > SHOW DEVICES
Eg: IoTDB > SHOW DEVICES WITH STORAGE GROUP
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Show Specific Devices Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW DEVICES <PrefixPath> (WITH STORAGE GROUP)? limitClause?
-Eg: IoTDB > SHOW DEVICES root
-Eg: IoTDB > SHOW DEVICES root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Show Specific Devices Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW DEVICES <PathPattern> (WITH STORAGE GROUP)? limitClause?
+Eg: IoTDB > SHOW DEVICES root.**
+Eg: IoTDB > SHOW DEVICES root.ln.**
Eg: IoTDB > SHOW DEVICES root.*.wf01
Eg: IoTDB > SHOW DEVICES root.ln WITH STORAGE GROUP
Eg: IoTDB > SHOW DEVICES root.*.wf01 WITH STORAGE GROUP
-Note: The path can be prefix path or star path.
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Show Child Paths of Root Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>S [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Show Child Paths of Root Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS
Eg: IoTDB > SHOW CHILD PATHS
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Child Paths Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS <Path>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Child Paths Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS <PathPattern>
Eg: IoTDB > SHOW CHILD PATHS root
Eg: IoTDB > SHOW CHILD PATHS root.ln
Eg: IoTDB > SHOW CHILD PATHS root.*.wf01
-Eg: IoTDB > SHOW CHILD PATHS root.ln.wf*
-Note: The path can be prefix path or star path, the nodes can be in a "prefix + star" format.
+Eg: IoTDB > SHOW CHILD PATHS root.ln.wf*
Note: This statement can be used in IoTDB Client and JDBC.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Create snapshot for schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE SNAPSHOT FOR SCHEMA
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Create snapshot for schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE SNAPSHOT FOR SCHEMA
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="data-management-statement"><a href="#data-management-statement" class="header-anchor">#</a> Data Management Statement</h2> <ul><li>Insert Record Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>INSERT INTO <PrefixPath> LPAREN TIMESTAMP COMMA <Sensor> [COMMA <Sensor>]* RPAREN VALUES LPAREN <TimeValue>, <PointValue [...]
Sensor : Identifier
Eg: IoTDB > INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)
@@ -240,7 +272,7 @@ Eg: IoTDB > INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) VALUE
Eg: IoTDB > INSERT INTO root.sg.d1(timestamp,(s1,s2),(s3,s4)) VALUES (1509466680000,(1.0,2),(NULL,4))
Note: the statement needs to satisfy this constraint: <PrefixPath> + <Path> = <Timeseries>
Note: The order of Sensor and PointValue need one-to-one correspondence
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><ul><li>Delete Record Statement</li></ul> <div class="language- line-numbers-mode"><pre cl [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><ul><li>Delete Record Statement</li></ul> <div class="language- line-numbers-mode"><pre cl [...]
WhereClause : <Condition> [(AND) <Condition>]*
Condition : <TimeExpr> [(AND) <TimeExpr>]*
TimeExpr : TIME PrecedenceEqualOperator (<TimeValue> | <RelativeTime>)
@@ -260,7 +292,8 @@ RelativeTimeDurationUnit = Integer ('Y'|'MO'|'W'|'D'|'H'|'M'|'S'|'MS'|'US'|'NS')
RelativeTime : (now() | <TimeValue>) [(+|-) RelativeTimeDurationUnit]+
SensorExpr : (<Timeseries> | <Path>) PrecedenceEqualOperator <PointValue>
Eg: IoTDB > SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature < 24 and time > 2017-11-1 0:13:00
-Eg. IoTDB > SELECT * FROM root
+Eg. IoTDB > SELECT ** FROM root
+Eg. IoTDB > SELECT * FROM root.**
Eg. IoTDB > SELECT * FROM root where time > now() - 5m
Eg. IoTDB > SELECT * FROM root.ln.*.wf*
Eg. IoTDB > SELECT COUNT(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature < 25
@@ -273,7 +306,7 @@ Note: the statement needs to satisfy this constraint: <Path>(SelectClause)
Note: If the <SensorExpr>(WhereClause) is started with <Path> and not with ROOT, the statement needs to satisfy this constraint: <PrefixPath>(FromClause) + <Path>(SensorExpr) = <Timeseries>
Note: In Version 0.7.0, if <WhereClause> includes `OR`, time filter can not be used.
Note: There must be a space on both sides of the plus and minus operator appearing in the time expression
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
SelectClause : <Function> [COMMA < Function >]*
Function : <AggregationFunction> LPAREN <Path> RPAREN
FromClause : <PrefixPath>
@@ -354,10 +387,10 @@ Note: Linear fill is not supported in group by fill.
orderByTimeClause: order by time (asc | desc)?
Eg: SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (float[PREVIOUS]) order by time desc
-Eg: SELECT * from root order by time desc
-Eg: SELECT * from root order by time desc align by device
-Eg: SELECT * from root order by time desc disable align
-Eg: SELECT last * from root order by time desc
+Eg: SELECT * from root.** order by time desc
+Eg: SELECT * from root.** order by time desc align by device
+Eg: SELECT * from root.** order by time desc disable align
+Eg: SELECT last * from root.** order by time desc
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Limit Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT <SelectCla [...]
SelectClause : [<Path> | Function]+
Function : <AggregationFunction> LPAREN <Path> RPAREN
@@ -386,18 +419,18 @@ Note: <FillClause> can not use <LIMITClause> but not <SLIMITClaus
Rules:
1. Both uppercase and lowercase are ok.
-Correct example: select * from root.sg1 align by device
-Correct example: select * from root.sg1 ALIGN BY DEVICE
+Correct example: select * from root.sg1.* align by device
+Correct example: select * from root.sg1.* ALIGN BY DEVICE
2. AlignbyDeviceClause can only be used at the end of a query statement.
-Correct example: select * from root.sg1 where time > 10 align by device
-Wrong example: select * from root.sg1 align by device where time > 10
+Correct example: select * from root.sg1.* where time > 10 align by device
+Wrong example: select * from root.sg1.* align by device where time > 10
3. The paths of the SELECT clause can only be single level. In other words, the paths of the SELECT clause can only be measurements or STAR, without DOT.
Correct example: select s0,s1 from root.sg1.* align by device
Correct example: select s0,s1 from root.sg1.d0, root.sg1.d1 align by device
Correct example: select * from root.sg1.* align by device
-Correct example: select * from root align by device
+Correct example: select * from root.** align by device
Correct example: select s0,s1,* from root.*.* align by device
Wrong example: select d0.s1, d0.s2, d1.s0 from root.sg1 align by device
Wrong example: select *.s0, *.s1 from root.* align by device
@@ -449,33 +482,33 @@ For example, "select s0,s0,s1 from root.sg.* align by device" is not e
- select * from root.sg.d0 where root.sg.d0.s0 = 15 align by device
9. More correct examples:
- - select * from root.vehicle align by device
+ - select * from root.vehicle.* align by device
- select s0,s0,s1 from root.vehicle.* align by device
- select s0,s1 from root.vehicle.* limit 10 offset 1 align by device
- - select * from root.vehicle slimit 10 soffset 2 align by device
- - select * from root.vehicle where time > 10 align by device
+ - select * from root.vehicle.* slimit 10 soffset 2 align by device
+ - select * from root.vehicle.* where time > 10 align by device
- select * from root.vehicle.* where time < 10 AND s0 > 25 align by device
- - select * from root.vehicle where root.vehicle.d0.s0>0 align by device
+ - select * from root.vehicle.* where root.vehicle.d0.s0>0 align by device
- select count(*) from root.vehicle align by device
- - select sum(*) from root.vehicle GROUP BY (20ms,0,[2,50]) align by device
- - select * from root.vehicle where time = 3 Fill(int32[previous, 5ms]) align by device
+ - select sum(*) from root.vehicle.* GROUP BY (20ms,0,[2,50]) align by device
+ - select * from root.vehicle.* where time = 3 Fill(int32[previous, 5ms]) align by device
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
Rules:
1. Both uppercase and lowercase are ok.
-Correct example: select * from root.sg1 disable align
-Correct example: select * from root.sg1 DISABLE ALIGN
+Correct example: select * from root.sg1.* disable align
+Correct example: select * from root.sg1.* DISABLE ALIGN
2. Disable Align Clause can only be used at the end of a query statement.
-Correct example: select * from root.sg1 where time > 10 disable align
-Wrong example: select * from root.sg1 disable align where time > 10
+Correct example: select * from root.sg1.* where time > 10 disable align
+Wrong example: select * from root.sg1.* disable align where time > 10
3. Disable Align Clause cannot be used with Aggregation, Fill Statements, Group By or Group By Device Statements, but can with Limit Statements.
-Correct example: select * from root.sg1 limit 3 offset 2 disable align
-Correct example: select * from root.sg1 slimit 3 soffset 2 disable align
+Correct example: select * from root.sg1.* limit 3 offset 2 disable align
+Correct example: select * from root.sg1.* slimit 3 soffset 2 disable align
Wrong example: select count(s0),count(s1) from root.sg1.d1 disable align
-Wrong example: select * from root.vehicle where root.vehicle.d0.s0>0 disable align
-Wrong example: select * from root.vehicle align by device disable align
+Wrong example: select * from root.vehicle.* where root.vehicle.d0.s0>0 disable align
+Wrong example: select * from root.vehicle.* align by device disable align
4. The display principle of the result table is that only when the column (or row) has existing data will the column (or row) be shown, with nonexistent cells being empty.
@@ -488,11 +521,11 @@ You could expect a table like:
| | | | | 900 | 8000 |
5. More correct examples:
- - select * from root.vehicle disable align
+ - select * from root.vehicle.* disable align
- select s0,s0,s1 from root.vehicle.* disable align
- select s0,s1 from root.vehicle.* limit 10 offset 1 disable align
- - select * from root.vehicle slimit 10 soffset 2 disable align
- - select * from root.vehicle where time > 10 disable align
+ - select * from root.vehicle.* slimit 10 soffset 2 disable align
+ - select * from root.vehicle.* where time > 10 disable align
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
Select Clause : <Path> [COMMA <Path>]*
@@ -514,12 +547,12 @@ Rules:
3. The result set of last query will always be displayed in a fixed three column table format.
For example, "select last s1, s2 from root.sg.d1, root.sg.d2", the query result would be:
-| Time | Path | Value |
-| --- | ------------ | ----- |
-| 5 | root.sg.d1.s1| 100 |
-| 2 | root.sg.d1.s2| 400 |
-| 4 | root.sg.d2.s1| 250 |
-| 9 | root.sg.d2.s2| 600 |
+| Time | Path | Value | dataType |
+| --- | ------------- |------ | -------- |
+| 5 | root.sg.d1.s1 | 100 | INT32 |
+| 2 | root.sg.d1.s2 | 400 | INT32 |
+| 4 | root.sg.d2.s1 | 250 | INT32 |
+| 9 | root.sg.d2.s2 | 600 | INT32 |
4. It is not supported to use "diable align" in LAST query.
@@ -563,7 +596,36 @@ E.g. select * as temperature from root.sg.d1
In this situation, it will throws an exception if * corresponds to multiple sensors.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Select Clause : <Path> [COMMA <Path>]*
+FromClause : < PrefixPath > [COMMA < PrefixPath >]*
+WhereClause : andExpression (OPERATOR_OR andExpression)*
+andExpression : predicate (OPERATOR_AND predicate)*
+predicate : (suffixPath | fullPath) REGEXP regularExpression
+regularExpression: Java standard regularexpression, like '^[a-z][0-9]$', [details](https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html)
+
+Eg. select s1 from root.sg.d1 where s1 regexp '^[0-9]*$'
+Eg. select s1, s2 FROM root.sg.d1 where s1 regexp '^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$' and s2 regexp '^\d{15}|\d{18}$'
+Eg. select * from root.sg.d1 where s1 regexp '^[a-zA-Z]\w{5,17}$'
+Eg. select * from root.sg.d1 where s1 regexp '^\d{4}-\d{1,2}-\d{1,2}' and time > 100
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Select Clause : <Path> [COMMA <Path>]*
+FromClause : < PrefixPath > [COMMA < PrefixPath >]*
+WhereClause : andExpression (OPERATOR_OR andExpression)*
+andExpression : predicate (OPERATOR_AND predicate)*
+predicate : (suffixPath | fullPath) LIKE likeExpression
+likeExpression : string that may contains "%" or "_", while "%value" means a string that ends with the value, "value%" means a string starts with the value, "%value%" means string that contains values, and "_" represents any character.
+
+Eg. select s1 from root.sg.d1 where s1 like 'abc'
+Eg. select s1, s2 from root.sg.d1 where s1 like 'a%bc'
+Eg. select * from root.sg.d1 where s1 like 'abc_'
+Eg. select * from root.sg.d1 where s1 like 'abc\%' and time > 100
+In this situation, '\%' means '%' will be escaped
+The result set will be like:
+| Time | Path | Value |
+| --- | ------------ | ----- |
+| 200 | root.sg.d1.s1| abc% |
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
userName:=identifier
password:=string
Eg: IoTDB > CREATE USER thulab 'pwd';
@@ -580,12 +642,12 @@ Eg: IoTDB > DROP ROLE admin;
userName:=identifier
nodeName:=identifier (DOT identifier)*
privileges:= string (COMMA string)*
-Eg: IoTDB > GRANT USER tempuser PRIVILEGES 'DELETE_TIMESERIES' on root.ln;
+Eg: IoTDB > GRANT USER tempuser PRIVILEGES DELETE_TIMESERIES on root.ln;
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Grant Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>;
privileges:= string (COMMA string)*
roleName:=identifier
nodeName:=identifier (DOT identifier)*
-Eg: IoTDB > GRANT ROLE temprole PRIVILEGES 'DELETE_TIMESERIES' ON root.ln;
+Eg: IoTDB > GRANT ROLE temprole PRIVILEGES DELETE_TIMESERIES ON root.ln;
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Grant User Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT <roleName> TO <userName>;
roleName:=identifier
userName:=identifier
@@ -594,12 +656,12 @@ Eg: IoTDB > GRANT temprole TO tempuser;
privileges:= string (COMMA string)*
userName:=identifier
nodeName:=identifier (DOT identifier)*
-Eg: IoTDB > REVOKE USER tempuser PRIVILEGES 'DELETE_TIMESERIES' on root.ln;
+Eg: IoTDB > REVOKE USER tempuser PRIVILEGES DELETE_TIMESERIES on root.ln;
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Revoke Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>;
privileges:= string (COMMA string)*
roleName:= identifier
nodeName:=identifier (DOT identifier)*
-Eg: IoTDB > REVOKE ROLE temprole PRIVILEGES 'DELETE_TIMESERIES' ON root.ln;
+Eg: IoTDB > REVOKE ROLE temprole PRIVILEGES DELETE_TIMESERIES ON root.ln;
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Revoke Role From User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE <roleName> FROM <userName>;
roleName:=identifier
userName:=identifier
@@ -701,13 +763,13 @@ not change the TTL once it is set or at least do not reset it frequently, unless
to suffer the unpredictability.</p> <ul><li>Delete Partition (experimental)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE PARTITION StorageGroupName INT(COMMA INT)*
Eg DELETE PARTITION root.sg1 0,1,2
This example will delete the first 3 time partitions of storage group root.sg1.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>The partitionId can be found in data folders or converted using <code>timestamp / partitionInterval</code>.</p> <h2 id="performance-tracing"><a href="#performance-tracing" class="header-anchor">#</a> Performance Tracing</h2> <p>IoTDB supports tracking the execution of query statements by using <code>TRACING</code> [...]
-TRACING OFF // Close performance tracing
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="kill-query"><a href="#kill-query" class="header-anchor">#</a> Kill query</h2> <ul><li>Show the list of queries in progress</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW QUERY PROCESSLIST
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>The partitionId can be found in data folders or converted using <code>timestamp / partitionInterval</code>.</p> <h2 id="kill-query"><a href="#kill-query" class="header-anchor">#</a> Kill query</h2> <ul><li>Show the list of queries in progress</li></ul> <div class="language- line-numbers-mode"><pre class="language- [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Kill query</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>KILL QUERY INT?
E.g. KILL QUERY
E.g. KILL QUERY 2
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="identifiers"><a href="#identifiers" class="header-anchor">#</a> Identifiers</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>QUOTE := '\'';
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="set-ststem-to-readonly-writable"><a href="#set-ststem-to-readonly-writable" class="header-anchor">#</a> SET STSTEM TO READONLY / WRITABLE</h2> <p>Set IoTDB system to read-only or writable mode.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SET SYSTEM TO READONLY
+IoTDB> SET SYSTEM TO WRITABLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="identifiers"><a href="#identifiers" class="header-anchor">#</a> Identifiers</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>QUOTE := '\'';
DOT := '.';
COLON : ':' ;
COMMA := ',' ;
@@ -731,10 +793,9 @@ HexDigit := 'a'..'f' | 'A'..'F';
Digit := '0'..'9';
Boolean := TRUE | FALSE | 0 | 1 (case insensitive)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-eg. 'abc'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
eg. 'abc'
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Integer := ('-' | '+')? Digit+;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Integer := ('-' | '+')? Digit+;
eg. 123
eg. -222
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Float := ('-' | '+')? Digit+ DOT Digit+ (('e' | 'E') ('-' | '+')? Digit+)?;
@@ -785,6 +846,6 @@ eg. *
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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diff --git a/UserGuide/Master/Appendix/Status-Codes.html b/UserGuide/Master/Appendix/Status-Codes.html
index 5f127f3..774c264 100644
--- a/UserGuide/Master/Appendix/Status-Codes.html
+++ b/UserGuide/Master/Appendix/Status-Codes.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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@@ -18,13 +18,13 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Wiki
- <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Appendix/Status-Codes.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Appendi [...]
GitHub
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
writeData();
} catch (SQLException e) {
// the most case is that the time series does not exist
@@ -66,7 +66,7 @@
}
}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
A base exception class "ProcessException" is also added to be extended by all exceptions.</p></blockquote></div> <div class="page-nav"><p class="inner"><span class="prev">
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@@ -79,6 +79,6 @@ A base exception class "ProcessException" is also added to be extended
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diff --git a/UserGuide/Master/CLI/Command-Line-Interface.html b/UserGuide/Master/CLI/Command-Line-Interface.html
index 543729f..877c553 100644
--- a/UserGuide/Master/CLI/Command-Line-Interface.html
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be in the folder "cli/target/iotdb-cli-{project.version}".</p> <h2 id="running"><a href="#running" class="header-anchor">#</a> Running</h2> <h3 id="running-cli"><a href="#running-cli" class="header-anchor">#</a> Running Cli</h3> <p>After installation, there is a default user in IoTDB: <code>root</code>, and the
default password is <code>root</code>. Users can use this username to try IoTDB Cli/Shell tool. The cli startup script is the <code>start-cli</code> file under the $IOTDB_HOME/bin folder. When starting the script, you need to specify the IP and PORT. (Make sure the IoTDB server is running properly when you use Cli/Shell tool to connect it.)</p> <p>Here is an example where the server is started locally and the user has not changed the running port. The default rpc port is
6667 <br>
@@ -122,8 +122,8 @@ Total line number <span class="token operator">=</span> <span class="token numbe
It costs <span class="token number">0</span>.267s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>It should be noted that the use of the -e parame [...]
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@@ -132,6 +132,6 @@ It costs <span class="token number">0</span>.267s
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diff --git a/UserGuide/Master/Cluster/Cluster-Setup-Example.html b/UserGuide/Master/Cluster/Cluster-Setup-Example.html
index d7cad58..579a680 100644
--- a/UserGuide/Master/Cluster/Cluster-Setup-Example.html
+++ b/UserGuide/Master/Cluster/Cluster-Setup-Example.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/74.e19df27d.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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-Note: If there is no public network IP or private network IP, both can be set to the same, just need to ensure that the client can access the server.</p> <p>The operation steps are as follows:</p> <ol><li>Use 'mvn clean package -pl cluster -am -DskipTests' to compile the distributed module or directly go into the <a href="https://iotdb.apache.org/Download/" target="_blank" rel="noopener noreferrer">website<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
chmod -R 777 ./cluster/target/
nohup ./cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/sbin/start-node.sh >/dev/null 2>&1 &
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h3 id="use-the-official-website-release-version"><a href="#use-the-official-website-release-version" class="header-anchor">#</a> Use the official website release version:</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>curl -O https://mirrors.bfsu.edu.cn/apache/iotdb/0.12.0/apache-iotd [...]
-unzip apache-iotdb-0.12.0-cluster-bin.zip
-cd apache-iotdb-0.12.0-cluster-bin
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h3 id="use-the-official-website-release-version"><a href="#use-the-official-website-release-version" class="header-anchor">#</a> Use the official website release version:</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>curl -O https://downloads.apache.org/iotdb/0.12.1/apache-iotdb-0.12 [...]
+unzip apache-iotdb-0.12.1-cluster-bin.zip
+cd apache-iotdb-0.12.1-cluster-bin
sed -i -e 's/^seed_nodes=127.0.0.1:9003,127.0.0.1:9005,127.0.0.1:9007$/seed_nodes=127.0.0.1:9003/g' conf/iotdb-cluster.properties
sed -i -e 's/^default_replica_num=3$/default_replica_num=1/g' conf/iotdb-cluster.properties
nohup ./sbin/start-node.sh >/dev/null 2>&1 &
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h2 id="example-of-distributed-scaffolding-for-3-nodes-and-1-replica-on-a-single-machine"><a href="#example-of-distributed-scaffolding-for-3-nodes-and-1-replica-on-a-single-machine" class="header-anchor"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h2 id="example-of-distributed-configurations-for-3-nodes-and-1-replica-on-a-single-machine"><a href="#example-of-distributed-configurations-for-3-nodes-and-1-replica-on-a-single-machine" class="header-an [...]
+default_replica_num = 1
+internal_meta_port = 9003
+internal_data_port = 40010
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port=6667
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>Node2</strong>:</p> <p><em><strong>iotdb-cluster.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>seed_nodes = 127.0.0.1:9003,127.0.0.1:9005,127.0.0.1:9007
+default_replica_num = 1
+internal_meta_port = 9005
+internal_data_port = 40012
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port=6669
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>Node3</strong>:</p> <p><em><strong>iotdb-cluster.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>seed_nodes = 127.0.0.1:9003,127.0.0.1:9005,127.0.0.1:9007
+default_replica_num = 1
+internal_meta_port = 9007
+internal_data_port = 40014
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port=6671
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="compile-from-source-code-2"><a href="#compile-from-source-code-2" class="header-anchor">#</a> Compile from source code:</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean package -DskipTests
chmod -R 777 ./cluster/target/
nohup ./cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/sbin/start-node.sh ./cluster/target/test-classes/node1conf/ >/dev/null 2>&1 &
nohup ./cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/sbin/start-node.sh ./cluster/target/test-classes/node2conf/ >/dev/null 2>&1 &
nohup ./cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/sbin/start-node.sh ./cluster/target/test-classes/node3conf/ >/dev/null 2>&1 &
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="use-the-official-website-release-version-2"><a href="#use-the-official-website-release-version-2" class="header-anchor">#</a> Use the official website release version:</h3> <p>You can refer to the above example, but starting multiple [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="use-the-official-website-release-version-2"><a href="#use-the-official-website-release-version-2" class="header-anchor">#</a> Use the official website release version:</h3> <p>Download the release version:</p> <div class="language- li [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Unzip the package:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>unzip apache-iotdb-0.12.1-cluster-bin.zip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Enter IoTDB cluster root directory:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd apache-iotdb-0.12.1-cluster-bin
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Set default_replica_num = 1:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sed -i -e 's/^default_replica_num=3$/default_replica_num=1/g' conf/iotdb-cluster.properties
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Create conf_dir for node2 and node3:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cp -r conf node2_conf
+cp -r conf node3_conf
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Handle port and file directory conflicts:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sed -i -e 's/^internal_meta_port=9003$/internal_meta_port=9005/g' -e 's/^internal_data_port=40010$/internal_data_port=40012/g' node2_conf/iotdb-cluster.properties
+sed -i -e 's/^internal_meta_port=9003$/internal_meta_port=9007/g' -e 's/^internal_data_port=40010$/internal_data_port=40014/g' node3_conf/iotdb-cluster.properties
+sed -i -e 's/^rpc_port=6667$/rpc_port=6669/g' -e node2_conf/iotdb-engine.properties
+sed -i -e 's/^rpc_port=6667$/rpc_port=6671/g' -e node3_conf/iotdb-engine.properties
+sed -i -e 's/^# data_dirs=data\/data$/data_dirs=node2\/data/g' -e 's/^# wal_dir=data\/wal$/wal_dir=node2\/wal/g' -e 's/^# tracing_dir=data\/tracing$/tracing_dir=node2\/tracing/g' -e 's/^# system_dir=data\/system$/system_dir=node2\/system/g' -e 's/^# udf_root_dir=ext\/udf$/udf_root_dir=node2\/ext\/udf/g' -e 's/^# index_root_dir=data\/index$/index_root_dir=node2\/index/g' node2_conf/iotdb-engine.properties
+sed -i -e 's/^# data_dirs=data\/data$/data_dirs=node3\/data/g' -e 's/^# wal_dir=data\/wal$/wal_dir=node3\/wal/g' -e 's/^# tracing_dir=data\/tracing$/tracing_dir=node3\/tracing/g' -e 's/^# system_dir=data\/system$/system_dir=node3\/system/g' -e 's/^# udf_root_dir=ext\/udf$/udf_root_dir=node3\/ext\/udf/g' -e 's/^# index_root_dir=data\/index$/index_root_dir=node3\/index/g' node3_conf/iotdb-engine.properties
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p><strong>You can modify the configuration items by yourself instead of using "sed" command</strong></p> <p>Start the three nodes with their configurations:</p> <div class="language- line-numbe [...]
+nohup ./sbin/start-node.sh ./node2_conf/ >/dev/null 2>&1 &
+nohup ./sbin/start-node.sh ./node3_conf/ >/dev/null 2>&1 &
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="example-of-distributed-configurations-for-3-nodes-and-3-replicas"><a href="#example-of-distributed-configurations-for-3-nodes-and-3-replicas" class="header-anchor">#</a> Example of distributed configurations for 3 nodes and 3 replicas</h2> <p>Suppose we need to deploy the distributed IoTDB on three physical n [...]
+default_replica_num = 3
+internal_meta_port = 9003
+internal_data_port = 40010
+internal_ip = A_private_Ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port = 6667
+rpc_address = A_public_ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><strong>NodeB</strong>:</p> <p><em><strong>iotdb-cluster.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>seed_nodes = A_private_Ip:9003,B_private_Ip:9003,C_private_Ip:9003
+default_replica_num = 3
+internal_meta_port = 9003
+internal_data_port = 40010
+internal_ip = B_private_Ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port = 6667
+rpc_address = B_public_ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p><strong>NodeC</strong>:</p> <p><em><strong>iotdb-cluster.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>seed_nodes = A_private_Ip:9003,B_private_Ip:9003,C_private_Ip:9003
+default_replica_num = 3
+internal_meta_port = 9003
+internal_data_port = 40010
+internal_ip = C_private_Ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><em><strong>iotdb-engine.properties</strong></em></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port = 6667
+rpc_address = C_public_ip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="start-iotdb-cluster"><a href="#start-iotdb-cluster" class="header-anchor">#</a> Start IoTDB cluster</h3> <p>The operation steps are as follows:</p> <ul><li><p>Use 'mvn clean package -pl cluster -am -DskipTests' to compile the distributed module or directly go into the <a href="https://iotdb.apache.org/Download/" target="_blank" rel="noopener nore [...]
+chmod -R 777 ./cluster/target/
+cd cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h3 id="use-the-official-website-release-version-3"><a href="#use-the-official-website-release-version-3" class="header-anchor">#</a> Use the official website release version:</h3> <p>Download the release version:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>curl -O https://downloads. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Unzip the package:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>unzip apache-iotdb-0.12.4-cluster-bin.zip
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Enter IoTDB cluster root directory:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd apache-iotdb-0.12.4-cluster-bin
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Set default_replica_num = 3: default value of this configuration item is 3</p> <p>Set internal_ip = private ip of node (e.g. 192.168.1.1)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sed -i -e 's/^internal_ip=127.0.0.1$/internal_ip=192.168.1.1/g' conf/iotdb-cluster.properties
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Set seed_node = A_private_Ip:9003,B_private_Ip:9003,C_private_Ip:9003 (e.g. private ip of all three nodes are 192.168.1.1,192.168.1.2,192.168.1.3)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sed -i -e 's/^seed_nodes=127.0.0.1:9003,127.0.0.1:9005,127.0.0.1:9007$/seed_nodes=192.168.1.1:9003,192.168.1.2:9003,192.168.1.3:9003/g' conf/iotdb-cluster.properties
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Set rpc_address = public ip of node (e.g. 192.168.1.1)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>sed -i -e 's/^rpc_address=127.0.0.1$/rpc_address=192.168.1.1/g' conf/iotdb-engine.properties
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>You can modify the configuration items by yourself instead of using "sed" command</strong></p> <p>Start the three nodes with their configurations:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>nohup ./sbin/start-node.sh >/dev/null 2>&1 &
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
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@@ -81,6 +141,6 @@ nohup ./cluster/target/iotdb-cluster-0.13.0-SNAPSHOT/sbin/start-node.sh ./cluste
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diff --git a/UserGuide/Master/Cluster/Cluster-Setup.html b/UserGuide/Master/Cluster/Cluster-Setup.html
index 35edd4d..1b2e1e6 100644
--- a/UserGuide/Master/Cluster/Cluster-Setup.html
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@@ -4,7 +4,7 @@
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-For detail descriptions, please refer to [Cluster Configuration Items](#Cluster Configuration Items).</p> <p>To start the service of one of the nodes, you need to execute the following commands:</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
-<span class="token operator">></span> <span class="token function">nohup</span> sbin/start-node.sh <span class="token punctuation">[</span>printgc<span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token operator"><</span>conf_path<span class="token operator">></span><span class="token punctuation">]</span> <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The default dev branch is the master branch, If you want to use a released version, for example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git checkout rel/0.12
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Under the root path of iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> mvn clean package -pl cluster -am -DskipTests
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then the cluster binary version can be found at <strong>cluster/target/{iotdb-project.version}</strong></p> <h3 id="download"><a href="#download" class="header-anchor">#</a> Download</h3> <p>You can download the binary file from: <a href="https://iotdb.apache.org/Download/" target="_blank" rel="noopener noreferrer">Download Page<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="tr [...]
+> nohup sbin/start-node.sh [printgc] [<conf_path>] >/dev/null 2>&1 &
-<span class="token comment"># Windows</span>
-<span class="token operator">></span> sbin<span class="token punctuation">\</span>start-node.bat <span class="token punctuation">[</span>printgc<span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token operator"><</span>conf_path<span class="token operator">></span><span class="token punctuation">]</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>printgc</code> means whether enable the gc and print gc logs when start the node,<br> <code><conf_path></code> use the configuration file in the <code>conf_path</code> folder to override the default configuration file.</p> <h2 [...]
-iotdb-cluster.properties to enable it, instead.</p></li> <li><p><code>is_sync_enable</code> is always considered as <code>false</code>.</p></li></ul> <h2 id="cluster-scalability"><a href="#cluster-scalability" class="header-anchor">#</a> Cluster scalability</h2> <p>In the process of cluster running, users can add new nodes to the cluster or delete existing nodes.
-At present, it only supports node by node cluster scalability, and multi node cluster scalability can be
-transformed into a series of single node cluster scalability operations. The cluster will hanlde new
-cluster extension operations only after the last cluster scalability operation is completed.</p> <h3 id="add-node"><a href="#add-node" class="header-anchor">#</a> add node</h3> <p>Start the following script on the new node to join the cluster to add a new node:</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span>
-<span class="token operator">></span> <span class="token function">nohup</span> sbin/add-node.sh <span class="token punctuation">[</span>printgc<span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token operator"><</span>conf_path<span class="token operator">></span><span class="token punctuation">]</span> <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>& [...]
+# Windows
+> sbin\start-node.bat [printgc] [<conf_path>]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>printgc</code> means whether enable the gc and print gc logs when start the node,
+<code><conf_path></code> use the configuration file in the <code>conf_path</code> folder to override the default configuration file.</p> <p><strong>If you start all the seed nodes, and all the seed nodes can contact each other without ip/port and file directory conflicts, the cluster has successfully started.</strong></p> <h3 id="cluster-scalability"><a href="#cluster-scalability" class="header-anchor">#</a> Cluster scalability</h3> <p>In the process of cluster running, users can a [...]
+> nohup sbin/add-node.sh [printgc] [<conf_path>] >/dev/null 2>&1 &
+;
+# Windows
+> sbin\add-node.bat [printgc] [<conf_path>]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>printgc</code> means whether enable the gc and print gc logs when start the node,
+<code><conf_path></code> use the configuration file in the <code>conf_path</code> folder to override the default configuration file. GC log is off by default. For performance tuning, you may want to collect the GC info. GC log is stored at <code>IOTDB_HOME/logs/gc.log</code>.</p> <p><strong>Start the following script on any node in the cluster to delete a node:</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
+> sbin/remove-node.sh <internal_ip> <internal_meta_port>
-<span class="token comment"># Windows</span>
-<span class="token operator">></span> sbin<span class="token punctuation">\</span>add-node.bat <span class="token punctuation">[</span>printgc<span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token operator"><</span>conf_path<span class="token operator">></span><span class="token punctuation">]</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>printgc</code> means whether enable the gc and print gc logs when start the node,<br> <code><conf_path></code> use the configuration file in the <code>conf_path</code> folder to override the default configuration file.</p> <h3 [...]
-<span class="token operator">></span> sbin/remove-node.sh <span class="token operator"><</span>internal_ip<span class="token operator">></span> <span class="token operator"><</span>internal_meta_port<span class="token operator">></span>
+# Windows
+> sbin\remove-node.bat <internal_ip> <internal_meta_port>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>internal_ip</code> means the IP address of the node to be deleted <code>internal_meta_port</code> means the meta port of the node to be deleted</p> <h3 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h3> <p>pleas [...]
+> sbin/stop-node.sh
-<span class="token comment"># Windows</span>
-<span class="token operator">></span> sbin<span class="token punctuation">\</span>remove-node.bat <span class="token operator"><</span>internal_ip<span class="token operator">></span> <span class="token operator"><</span>internal_meta_port<span class="token operator">></span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><code>internal_ip</code> means the IP address of the node to be deleted
-<code>internal_meta_port</code> means the meta port of the node to be deleted</p> <h2 id="cluster-configuration-items"><a href="#cluster-configuration-items" class="header-anchor">#</a> Cluster Configuration Items</h2> <p>Before starting to use IoTDB, you need to config the configuration files first.
-For your convenience, we have already set the default config in the files.</p> <p>In total, we provide users four kinds of configurations module:</p> <ul><li><p>environment configuration file (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>).
-The default configuration file for the environment configuration item.
-Users can configure the relevant system configuration items of JAVA-JVM in the file.</p></li> <li><p>system configuration file (<code>iotdb-engine.properties</code>). The default configuration file for the IoTDB engine layer configuration item.
-Users can configure the IoTDB engine related parameters in the file, such as the precision of timestamp(<code>timestamp_precision</code>), etc.
-What's more, Users can configure settings of TsFile (the data files), such as the data size written to the disk per time(<code>group_size_in_byte</code>).</p></li> <li><p>log configuration file (<code>logback.xml</code>). The default log configuration file, such as the log levels.</p></li> <li><p><code>iotdb-cluster.properties</code>. Some configurations required by IoTDB cluster. Such as replication number(<code>default_replica_num</code>), etc.</p></li></ul> <p>For detailed description [...]
-The configuration items described below are in the <code>iotdb-cluster.properties</code> file, you can also review the comments in the <a href="https://github.com/apache/iotdb/blob/master/cluster/src/assembly/resources/conf/iotdb-cluster.properties" target="_blank" rel="noopener noreferrer">configuration file<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="curr [...]
-For performance tuning, you may want to collect the GC info.</p> <p>To enable GC log, just add a parameter <code>printgc</code> when you start the server.</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-node.sh printgc <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor importa [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-node.bat printgc
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC log is stored at <code>IOTDB_HOME/logs/gc.log</code>.</p></div> <div class="page-nav"><p class="inner"><span class="prev">
+# Windows
+> sbin\stop-node.bat
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="appendix"><a href="#appendix" class="header-anchor">#</a> Appendix</h2> <h3 id="cluster-configuration"><a href="#cluster-configuration" class="header-anchor">#</a> Cluster Configuration</h3> <ul><li>internal_ip</li></ul> <table><thead [...]
←
<a href="/UserGuide/Master/Ecosystem Integration/Writing Data on HDFS.html" class="prev">
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@@ -96,6 +91,6 @@ For performance tuning, you may want to collect the GC info.</p> <p>To enable GC
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index 8cf5b17..a0ac43b 100644
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@@ -54,10 +54,10 @@
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<br>
In the sync module, each sub-factory is a sender, a general factory is a receiver, and senders periodically synchronizes the data to receivers. In the scenario above, the data of one device can only be collected by one sender, so there is no device overlap between the data synchronized by multiple senders. Otherwise, the application scenario of the sync module is not satisfied.</p> <p>When there is an abnormal scenario, namely, two or more senders synchronize the data of the same device [...]
-If the receiver receives the data of root.sg2.d0.s0 of the sender 1 first, the receiver will reject the data of root.sg2 of the sender 2.</p> <h3 id="configuration"><a href="#configuration" class="header-anchor">#</a> Configuration</h3> <h4 id="sync-receiver"><a href="#sync-receiver" class="header-anchor">#</a> Sync Receiver</h4> <p>The parameter configuration of the sync receiver is located in the configuration file <code>iotdb-engine.properties</code> of IoTDB, and its directory is <co [...]
+If the receiver receives the data of root.sg2.d0.s0 of the sender 1 first, the receiver will reject the data of root.sg2 of the sender 2.</p> <h3 id="configuration"><a href="#configuration" class="header-anchor">#</a> Configuration</h3> <h4 id="sync-receiver"><a href="#sync-receiver" class="header-anchor">#</a> Sync Receiver</h4> <p>The parameter configuration of the sync receiver is located in the configuration file <code>iotdb-engine.properties</code> of IoTDB, and its directory is <co [...]
### Sync Server Configuration
####################
# Whether to open the sync_server_port for receiving data from sync client, the default is closed
@@ -90,16 +90,16 @@ For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For Windows users:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> Shell >$IOTDB_HOME\tools\stop-sync-client.bat
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
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index ae24f6c..cf980d2 100644
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It was designed as an extremely lightweight publish/subscribe messaging transport.
It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.</p> <p>IoTDB supports the MQTT v3.1(an OASIS Standard) protocol.
IoTDB server includes a built-in MQTT service that allows remote devices send messages into IoTDB server directly.</p> <img src="https://user-images.githubusercontent.com/6711230/78357432-0c71cf80-75e4-11ea-98aa-c43a54d469ce.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="built-in-mqtt-service"><a href="#built-in-mqtt-service" class="header-anchor">#</a> Built-in MQTT Service</h3> <p>The Built-in MQTT Service provide the [...]
@@ -105,8 +105,8 @@ of codes. An example can be found in <code>example/mqtt-customize</code> project
e.g.,</li></ul> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">package</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span>server</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">io<span class="token punctuation">.</span>netty<span class="token punctuation">.</span>buffer<span class="token punctuation">.</span></span><span class="token class-name">ByteBuf</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">Message</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">PayloadFormatter</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>protocol<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">Message</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>db<span class="token punctuation">.</span>protocol<span class="token punctuation">.</span>mqtt<span class="token punctuation">.</span></span><span class="token class-name">PayloadFormatter</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>nio<span class="token punctuation">.</span>charset<span class="token punctuation">.</span></span><span class="token class-name">StandardCharsets</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util<span class="token punctuation">.</span></span><span class="token class-name">ArrayList</span><span class="token punctuation">;</span>
@@ -115,34 +115,34 @@ e.g.,</li></ul> <div class="language-java line-numbers-mode"><pre class="languag
<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">CustomizedJsonPayloadFormatter</span> <span class="token keyword">implements</span> <span class="token class-name">PayloadFormatter</span> <span class="token punctuation">{</span>
- <span class="token annotation punctuation">@Override</span>
- <span class="token keyword">public</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Message</span><span class="token punctuation">></span></span> <span class="token function">format</span><span class="token punctuation">(</span><span class="token class-name">ByteBuf</span> payload<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token comment">// Suppose the payload is a json format</span>
- <span class="token keyword">if</span> <span class="token punctuation">(</span>payload <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
+ <span class="token annotation punctuation">@Override</span>
+ <span class="token keyword">public</span> <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Message</span><span class="token punctuation">></span></span> <span class="token function">format</span><span class="token punctuation">(</span><span class="token class-name">ByteBuf</span> payload<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token comment">// Suppose the payload is a json format</span>
+ <span class="token keyword">if</span> <span class="token punctuation">(</span>payload <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token keyword">return</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
- <span class="token class-name">String</span> json <span class="token operator">=</span> payload<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">;</span>
- <span class="token comment">// parse data from the json and generate Messages and put them into List<Meesage> ret</span>
- <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Message</span><span class="token punctuation">></span></span> ret <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuati [...]
- <span class="token comment">// this is just an example, so we just generate some Messages directly</span>
- <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> <span class="token number">2</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">long</span> ts <span class="token operator">=</span> i<span class="token punctuation">;</span>
- <span class="token class-name">Message</span> message <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Message</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- message<span class="token punctuation">.</span><span class="token function">setDevice</span><span class="token punctuation">(</span><span class="token string">"d"</span> <span class="token operator">+</span> i<span class="token punctuation">)</span><span class="token punctuation">;</span>
- message<span class="token punctuation">.</span><span class="token function">setTimestamp</span><span class="token punctuation">(</span>ts<span class="token punctuation">)</span><span class="token punctuation">;</span>
- message<span class="token punctuation">.</span><span class="token function">setMeasurements</span><span class="token punctuation">(</span><span class="token class-name">Arrays</span><span class="token punctuation">.</span><span class="token function">asList</span><span class="token punctuation">(</span><span class="token string">"s1"</span><span class="token punctuation">,</span> <span class="token string">"s2"</span><span class="token punctuation">)</span><span [...]
- message<span class="token punctuation">.</span><span class="token function">setValues</span><span class="token punctuation">(</span><span class="token class-name">Arrays</span><span class="token punctuation">.</span><span class="token function">asList</span><span class="token punctuation">(</span><span class="token string">"4.0"</span> <span class="token operator">+</span> i<span class="token punctuation">,</span> <span class="token string">"5.0"</span> <span cl [...]
- ret<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token class-name">String</span> json <span class="token operator">=</span> payload<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token comment">// parse data from the json and generate Messages and put them into List<Meesage> ret</span>
+ <span class="token class-name">List</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">Message</span><span class="token punctuation">></span></span> ret <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punct [...]
+ <span class="token comment">// this is just an example, so we just generate some Messages directly</span>
+ <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> <span class="token number">2</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token keyword">long</span> ts <span class="token operator">=</span> i<span class="token punctuation">;</span>
+ <span class="token class-name">Message</span> message <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Message</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+ message<span class="token punctuation">.</span><span class="token function">setDevice</span><span class="token punctuation">(</span><span class="token string">"d"</span> <span class="token operator">+</span> i<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ message<span class="token punctuation">.</span><span class="token function">setTimestamp</span><span class="token punctuation">(</span>ts<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ message<span class="token punctuation">.</span><span class="token function">setMeasurements</span><span class="token punctuation">(</span><span class="token class-name">Arrays</span><span class="token punctuation">.</span><span class="token function">asList</span><span class="token punctuation">(</span><span class="token string">"s1"</span><span class="token punctuation">,</span> <span class="token string">"s2"</span><span class="token punctuation">)</span [...]
+ message<span class="token punctuation">.</span><span class="token function">setValues</span><span class="token punctuation">(</span><span class="token class-name">Arrays</span><span class="token punctuation">.</span><span class="token function">asList</span><span class="token punctuation">(</span><span class="token string">"4.0"</span> <span class="token operator">+</span> i<span class="token punctuation">,</span> <span class="token string">"5.0"</span> <s [...]
+ ret<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span>message<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
+ <span class="token keyword">return</span> ret<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
- <span class="token keyword">return</span> ret<span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
- <span class="token annotation punctuation">@Override</span>
- <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token comment">// set the value of mqtt_payload_formatter in iotdb-engine.properties as the following string:</span>
- <span class="token keyword">return</span> <span class="token string">"CustomizedJson"</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
+ <span class="token annotation punctuation">@Override</span>
+ <span class="token keyword">public</span> <span class="token class-name">String</span> <span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token comment">// set the value of mqtt_payload_formatter in iotdb-engine.properties as the following string:</span>
+ <span class="token keyword">return</span> <span class="token string">"CustomizedJson"</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
clean the file and put your implementation class name into the file.
@@ -160,6 +160,6 @@ just use <code>payload.forEachByte()</code> or <code>payload.array</code> to get
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index 051eb87..0db8fce 100644
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@@ -4,7 +4,7 @@
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@@ -40,7 +40,7 @@
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License
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It combines a powerful software stack and code generation engine,
In order to build seamlessly integrated and efficient services among programming languages such as C++, Java, Go, Python, PHP, Ruby, Erlang, Perl, Haskell, C#, Cocoa, JavaScript, Node.js, Smalltalk, and OCaml.</p> <p>IoTDB server and client use thrift for communication. In actual use, it is recommended to use the native client package provided by IoTDB:
Session or Session Pool. If you have special needs, you can also program directly against the RPC interface</p> <p>The default IoTDB server uses port 6667 as the RPC communication port, you can modify the configuration item</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port=6667
@@ -165,8 +165,8 @@ i64 requestStatementId(1:i64 sessionId);
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
target file path is "thrift/target/classes/org/apache/iotdb/service/rpc/thrift"</p></div> <div class="page-nav"><p class="inner"><span class="prev">
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@@ -175,6 +175,6 @@ target file path is "thrift/target/classes/org/apache/iotdb/service/rpc/thr
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
several open sourced time series databases are introduced to the world.
However, few of them are developed for IoT or IIoT (Industrial IoT) scenario in particular.</p> <p>3 kinds of TSDBs are compared here.</p> <ul><li><p>InfluxDB - Native Time series database</p> <p>InfluxDB is one of the most popular TSDBs.</p> <p>Interface: InfluxQL and HTTP API</p></li> <li><p>OpenTSDB and KairosDB - Time series database based on NoSQL</p> <p>These two DBs are similar, while the first is based on HBase and the second is based on Cassandra.
Both of them provides RESTful style API.</p> <p>Interface: Restful API</p></li> <li><p>TimescaleDB - Time series database based on Relational Database</p> <p>Interface: SQL</p></li></ul> <p>Prometheus and Druid are also famous for time series data management.
@@ -83,7 +83,7 @@ IoTDB and OpenTSDB support that with a special SQL or API,
while InfluxDB supports that using an aggregation function.
(the reason why IoTDB provides a special SQL is IoTDB optimizes the query expressly.)</p></li></ul> <p><strong>Conclusion</strong>:</p> <p>Well, if we compare the basic features, we can find that OpenTSDB and KairosDB somehow lack some important query features.
TimescaleDB can not be freely used in business.
-IoTDB and InfluxDB can meet most requirements of time series data management, while they have some difference.</p> <h4 id="advanced-features"><a href="#advanced-features" class="header-anchor">#</a> Advanced Features</h4> <p>I listed some interesting features that these systems may differ.</p> <table><thead><tr><th>TSDB</th> <th style="text-align:center;">IoTDB</th> <th style="text-align:center;">InfluxDB</th> <th style="text-align:center;">OpenTSDB</th> <th style="text-align:center;">Ka [...]
+IoTDB and InfluxDB can meet most requirements of time series data management, while they have some difference.</p> <h4 id="advanced-features"><a href="#advanced-features" class="header-anchor">#</a> Advanced Features</h4> <p>I listed some interesting features that these systems may differ.</p> <table><thead><tr><th>TSDB</th> <th style="text-align:center;">IoTDB</th> <th style="text-align:center;">InfluxDB</th> <th style="text-align:center;">OpenTSDB</th> <th style="text-align:center;">Ka [...]
In IoTDB, you can choose which encoding method you want, according to the data distribution. For more info, see <a href="http://iotdb.apache.org/UserGuide/Master/Data-Concept/Encoding.html" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32 [...]
It just depends on the data type. For more info, see <a href="https://docs.influxdata.com/influxdb/v1.7/concepts/storage_engine/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></p [...]
Deploying a TSDB on the edge side is useful for managing data on the edge side and serve for edge computing.
@@ -114,6 +114,6 @@ We also welcome more contributors correct this article and contribute IoTDB and
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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+ GitHub
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+public void insertRecords(List<String> deviceIds, List<Long> times, List<List<String>> measurementsList, List<List<TSDataType>> typesList, List<List<Object>> valuesList);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li>......</li></ul></li> <li><p>Efficient, time series are auto created when inserting data.</p></li></ul> <h2 id="auto-create-time-series-metadata-infer-data-type-in-the-backend"><a href="#auto-create-time-series-metadata-infer-data-type-in-the-backend" class="header-anchor">#</a> Auto create time series metadata(infer data type in the backend)</ [...]
+public void insertRecords(List<String> deviceIds, List<Long> times, List<List<String>> measurementsList, List<List<String>> valuesList);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li>......</li></ul></li> <li><p>Since type inference will increase the writing time, the efficiency of auto creating time series metadata through type inference is lower than that of auto creating time series metadata through specifying data type. We recommend users choose specifying data type in the frontend when possible.</p></li></ul> <h3 id="t [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+SDT has low computational complexity and uses a linear trend to represent a quantity of data.</p> <p>In IoTDB SDT compresses and discards data when flushing into the disk.</p> <p>IoTDB allows you to specify the properties of SDT when creating a time series, and supports three properties:</p> <ul><li>CompDev (Compression Deviation)</li></ul> <p>CompDev is the most important parameter in SDT that represents the maximum difference between the
+current sample and the current linear trend. CompDev needs to be greater than 0 to perform compression.</p> <ul><li>CompMinTime (Compression Minimum Time Interval)</li></ul> <p>CompMinTime is a parameter measures the time distance between two stored data points, which is used for noisy reduction.
+If the time interval between the current point and the last stored point is less than or equal to its value,
+current point will NOT be stored regardless of compression deviation.
+The default value is 0 with time unit ms.</p> <ul><li>CompMaxTime (Compression Maximum Time Interval)</li></ul> <p>CompMaxTime is a parameter measure the time distance between two stored data points.
+If the time interval between the current point and the last stored point is greater than or equal to its value,
+current point will be stored regardless of compression deviation.
+The default value is 9,223,372,036,854,775,807 with time unit ms.</p> <p>The specified syntax for SDT is detailed in <a href="/UserGuide/Master/Appendix/SQL-Reference.html">Create Timeseries Statement</a>.</p> <p>Supported datatypes:</p> <ul><li>INT32 (Integer)</li> <li>INT64 (Long Integer)</li> <li>FLOAT (Single Precision Floating Point)</li> <li>DOUBLE (Double Precision Floating Point)</li></ul> <p>The following is an example of using SDT compression.</p> <div class="language- line-num [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Prior to flushing and SDT compression, the results are shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT s0 FROM root.sg1.d0
++-----------------------------+--------------+
+| Time|root.sg1.d0.s0|
++-----------------------------+--------------+
+|2017-11-01T00:06:00.001+08:00| 1|
+|2017-11-01T00:06:00.002+08:00| 1|
+|2017-11-01T00:06:00.003+08:00| 1|
+|2017-11-01T00:06:00.004+08:00| 1|
+|2017-11-01T00:06:00.005+08:00| 1|
+|2017-11-01T00:06:00.006+08:00| 1|
+|2017-11-01T00:06:00.007+08:00| 1|
+|2017-11-01T00:06:00.015+08:00| 10|
+|2017-11-01T00:06:00.016+08:00| 20|
+|2017-11-01T00:06:00.017+08:00| 1|
+|2017-11-01T00:06:00.018+08:00| 30|
++-----------------------------+--------------+
+Total line number = 11
+It costs 0.008s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+IoTDB> SELECT s0 FROM root.sg1.d0
++-----------------------------+--------------+
+| Time|root.sg1.d0.s0|
++-----------------------------+--------------+
+|2017-11-01T00:06:00.001+08:00| 1|
+|2017-11-01T00:06:00.007+08:00| 1|
+|2017-11-01T00:06:00.015+08:00| 10|
+|2017-11-01T00:06:00.016+08:00| 20|
+|2017-11-01T00:06:00.017+08:00| 1|
++-----------------------------+--------------+
+Total line number = 5
+It costs 0.044s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+The data point at time 2017-11-01T00:06:00.007 is stored because the next data point at time 2017-11-01T00:06:00.015
+exceeds compression deviation. When a data point exceeds the compression deviation, SDT stores the last read
+point and updates the upper and lower boundaries. The last point at time 2017-11-01T00:06:00.018 is not stored.</p></div> <div class="page-nav"><p class="inner"><span class="prev">
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-LayerName: Identifier | STAR
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Among them, STAR is "*" and DOT is ".".</p> <p>We call the middle part of a path between two "." as a layer, and thus <code>root.A.B.C</code> is a path with four layers.</p> <p>It is worth noting that in the path, root is a reserved character, which is only allowed to appear at the beginning of the time series mentioned b [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ : layer_name <span class="token punctuation">(</span><span class="token string">'.'</span> layer_name<span class="token punctuation">)</span><span class="token operator">*</span>
+ <span class="token punctuation">;</span>
+layer_name
+ : wildcard? id wildcard?
+ <span class="token operator">|</span> wildcard
+ <span class="token punctuation">;</span>
+wildcard
+ : <span class="token string">'*'</span>
+ <span class="token operator">|</span> <span class="token string">'**'</span>
+ <span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p>You can r [...]
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error: encoding TS_2DIFF does not support BOOLEAN
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Timestamp</p> <p>The timestamp is the time point at which data is produced. It includes absolute timestamps and relative timestamps</p> <ul><li>Absolute timestamp</li></ul> <p>Absolute timestamps in IoTDB are divided into two types: LONG and DATETIME (including DATETIME-INPUT and DATETIME-DISPLAY). When a user inputs a timestamp, he can use a LONG typ [...]
-<table><thead><tr><th style="text-align:center;">Format</th></tr></thead> <tbody><tr><td style="text-align:center;">yyyy-MM-dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy-MM-dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd'T'HH:mm:ss</td></tr> <tr><td style=" [...]
-<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">G</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td></tr> <tr><td style="text-align:center;">C</td> <td style="text-align:center;">century of era (>=0)</td> <td [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Timestamp</p> <p>The timestamp is the time point at which data is produced. It includes absolute timestamps and relative timestamps</p> <ul><li>Absolute timestamp</li></ul> <p>Absolute timestamps in IoTDB are divided into two types: LONG and DATETIME (including DATETIME-INPUT and DATETIME-DISPLAY). When a user inputs a timestamp, he can use a LONG typ [...]
RelativeTime = (now() | DATETIME) ((+|-) Duration)+
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div> <center>**The syntax of the duration unit**
-<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">y</td> <td style="text-align:center;">year</td> <td style="text-align:center;">1y=365 days</td> <td style="text-align:center;">1y</td></tr> <tr><td style="text-align:center;">mo</td> <td style="text-align:center;">month</td> <td style="te [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div> <div style="text-align:center;"><p><strong>The syntax of the duration unit</strong></p> <table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td st [...]
now() - 1w //1 week earlier than the current server time
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><blockquote><p>Note：There must be spaces on the left and right of '+' and '-'.</p></blockquote></div> <div class="page-nav"><p class="inner"><span class="prev">
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@@ -76,6 +73,6 @@ now() - 1w //1 week earlier than the current server time
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-<table><thead><tr><th style="text-align:center;">Data Type</th> <th style="text-align:center;">Supported Encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">BOOLEAN</td> <td style="text-align:center;">PLAIN, RLE</td></tr> <tr><td style="text-align:center;">INT32</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, GORILLA</td></tr> <tr><td style="text-align:center;">INT64</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, GORILLA</td></tr> <tr><td style="text [...]
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-SDT has low computational complexity and uses a linear trend to represent a quantity of data.</p> <p>In IoTDB SDT compresses and discards data when flushing into the disk.</p> <p>IoTDB allows you to specify the properties of SDT when creating a time series, and supports three properties:</p> <ul><li>CompDev (Compression Deviation)</li></ul> <p>CompDev is the most important parameter in SDT that represents the maximum difference between the
-current sample and the current linear trend. CompDev needs to be greater than 0 to perform compression.</p> <ul><li>CompMinTime (Compression Minimum Time Interval)</li></ul> <p>CompMinTime is a parameter measures the time distance between two stored data points, which is used for noisy reduction.
-If the time interval between the current point and the last stored point is less than or equal to its value,
-current point will NOT be stored regardless of compression deviation.
-The default value is 0 with time unit ms.</p> <ul><li>CompMaxTime (Compression Maximum Time Interval)</li></ul> <p>CompMaxTime is a parameter measure the time distance between two stored data points.
-If the time interval between the current point and the last stored point is greater than or equal to its value,
-current point will be stored regardless of compression deviation.
-The default value is 9,223,372,036,854,775,807 with time unit ms.</p> <p>The specified syntax for SDT is detailed in <a href="/UserGuide/Master/Appendix/SQL-Reference.html">Create Timeseries Statement</a>.</p> <p>Supported datatypes:</p> <ul><li>INT32 (Integer)</li> <li>INT64 (Long Integer)</li> <li>FLOAT (Single Precision Floating Point)</li> <li>DOUBLE (Double Precision Floating Point)</li></ul> <p>The following is an example of using SDT compression.</p> <div class="language- line-num [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Prior to flushing and SDT compression, the results are shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT s0 FROM root.sg1.d0
-+-----------------------------+--------------+
-| Time|root.sg1.d0.s0|
-+-----------------------------+--------------+
-|2017-11-01T00:06:00.001+08:00| 1|
-|2017-11-01T00:06:00.002+08:00| 1|
-|2017-11-01T00:06:00.003+08:00| 1|
-|2017-11-01T00:06:00.004+08:00| 1|
-|2017-11-01T00:06:00.005+08:00| 1|
-|2017-11-01T00:06:00.006+08:00| 1|
-|2017-11-01T00:06:00.007+08:00| 1|
-|2017-11-01T00:06:00.015+08:00| 10|
-|2017-11-01T00:06:00.016+08:00| 20|
-|2017-11-01T00:06:00.017+08:00| 1|
-|2017-11-01T00:06:00.018+08:00| 30|
-+-----------------------------+--------------+
-Total line number = 11
-It costs 0.008s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-IoTDB> SELECT s0 FROM root.sg1.d0
-+-----------------------------+--------------+
-| Time|root.sg1.d0.s0|
-+-----------------------------+--------------+
-|2017-11-01T00:06:00.001+08:00| 1|
-|2017-11-01T00:06:00.007+08:00| 1|
-|2017-11-01T00:06:00.015+08:00| 10|
-|2017-11-01T00:06:00.016+08:00| 20|
-|2017-11-01T00:06:00.017+08:00| 1|
-+-----------------------------+--------------+
-Total line number = 5
-It costs 0.044s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-The data point at time 2017-11-01T00:06:00.007 is stored because the next data point at time 2017-11-01T00:06:00.015
-exceeds compression deviation. When a data point exceeds the compression deviation, SDT stores the last read
-point and updates the upper and lower boundaries. The last point at time 2017-11-01T00:06:00.018 is not stored.</p></div> <div class="page-nav"><p class="inner"><span class="prev">
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+* name: template name
+* measurements: List of measurements, if it is a single measurement, just put it's name
+* into a list and add to measurements if it is a vector measurement, put all measurements of
+* the vector into a list and add to measurements
+* dataTypes: List of datatypes, if it is a single measurement, just put it's type into a
+* list and add to dataTypes if it is a vector measurement, put all types of the vector
+* into a list and add to dataTypes
+* encodings: List of encodings, if it is a single measurement, just put it's encoding into
+* a list and add to encodings if it is a vector measurement, put all encodings of the
+* vector into a list and add to encodings
+* compressors: List of compressors
+void createSchemaTemplate(
+ String templateName,
+ List<String> schemaName,
+ List<List<String>> measurements,
+ List<List<TSDataType>> dataTypes,
+ List<List<TSEncoding>> encodings,
+ List<CompressionType> compressors)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+void setSchemaTemplate(String templateName, String prefixPath)
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>After setting schema template，data could be inserted directly to the according timeseries. For example, suppose there's storage group root.sg and template t1(s1,s2) has been set to root.sg.car，then timeseries like root.sg.car.d1.s1 and root.sg.car.d1.s2 are available and data can be inserted。</p> <p>For examples o [...]
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diff --git a/UserGuide/Master/Data-Concept/Time-Partition.html b/UserGuide/Master/Data-Concept/Time-Partition.html
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diff --git a/UserGuide/Master/Data-Modeling/VirtualStorageGroup.html b/UserGuide/Master/Data-Modeling/VirtualStorageGroup.html
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+ GitHub
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+Use the statement "SET STORAGE GROUP TO" to specify the storage group.
+Each storage group has a corresponding StorageGroupProcessor.</p> <p>To ensure eventually consistency, a insert lock (exclusive lock) is used to synchronize each insert request in each storage group.
+So the server side parallelism of data ingestion is equal to the number of storage group.</p> <h1 id="problem"><a href="#problem" class="header-anchor">#</a> Problem</h1> <p>From background, we can infer that the parallelism of data ingestion of IoTDB is max(num of client, server side parallelism), which equals to max(num of client, num of storage group)</p> <p>The concept of storage group usually is related to real world entity such as factory, location, country and so on.
+The number of storage groups may be small which makes the parallelism of data ingestion of IoTDB insufficient. We can't jump out of this dilemma even we start hundreds of client for ingestion.</p> <h1 id="solution"><a href="#solution" class="header-anchor">#</a> Solution</h1> <p>Our idea is to group devices into buckets and change the granularity of synchronization from storage group level to device buckets level.</p> <p>In detail, we use hash to group different devices into buckets call [...]
+For example, one device called "root.sg.d"(assume it's storage group is "root.sg") is belonged to virtual storage group "root.sg.[hash("root.sg.d") mod num_of_virtual_storage_group]"</p> <h1 id="usage"><a href="#usage" class="header-anchor">#</a> Usage</h1> <p>To use virtual storage group, you can set this config below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>virtual_storage_group_num
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Recommended value is [virtual storage group number] = [CPU core number] / [user-defined storage group number]</p> <p>For more information, you can refer to <a href="/UserGuide/Master/Appendix/Config-Manual.html">this page</a>.</p></div> <!----> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
+ Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/DBeaver.html b/UserGuide/Master/Ecosystem Integration/DBeaver.html
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<ul><li>From IoTDB site: https://iotdb.apache.org/Download/</li> <li>Version >= 0.13.0</li></ul></li> <li>Or compile from source code
<ul><li>See https://github.com/apache/iotdb</li></ul></li></ul> <h3 id="connect-iotdb-and-dbeaver"><a href="#connect-iotdb-and-dbeaver" class="header-anchor">#</a> Connect IoTDB and DBeaver</h3> <ol><li><p>Start IoTDB server</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>./sbin/start-server.sh
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Start DBeaver</p></li> <li><p>Open Driver Manager</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20Integration/DBeaver/Screen%20Shot%202021-05-17%20at%2010.56.22%20AM.png?raw=true" alt=""></p></li> <li><p>Create a new driver type for IoTDB</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ec [...]
Username: root
Password: root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20Integration/DBeaver/Screen%20Shot%202021-05-17%20at%2011.07.09%20AM.png?raw=true" alt=""></p></li> <li><p>Test Connection</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20 [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20Integration/DBeaver/Screen%20Shot%202021-05-17%20at%2011.07.09%20AM.png?raw=true" alt=""></p></li> <li><p>Test Connection</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20 [...]
+ ←
+ <a href="/UserGuide/Master/Ecosystem Integration/Zeppelin-IoTDB.html" class="prev">
+ Zeppelin-IoTDB
+ </a></span> <span class="next"><a href="/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html">
+ MapReduce TsFile
+ </a>
+ →
+ </span></p></div> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/Flink IoTDB.html b/UserGuide/Master/Ecosystem Integration/Flink IoTDB.html
index 4b201ac..23e02c8 100644
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
The <code>IoTDBSink</code> send only one event after another by default, but you can change to batch by invoking <code>withBatchSize(int)</code>.</p> <h4 id="example"><a href="#example" class="header-anchor">#</a> Example</h4> <p>This example shows a case that sends data to a IoTDB server from a Flink job:</p> <ul><li>A simulated Source <code>SensorSource</code> generates data points per 1 second.</li> <li>Flink uses <code>IoTDBSink</code> to consume the generated data points and write t [...]
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>file<span class="token punctuation">.</span>metadata<span class="token punctuation">.</span>enums<span class="token punctuation">.</span></span><span class="token class-name">TSDataType</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>file<span class="token punctuation">.</span>metadata<span class="token punctuation">.</span>enums<span class="token punctuation">.</span></span><span class="token class-name">TSEncoding</span><span class="token punctuation">;</span>
@@ -223,6 +223,6 @@ Run org.apache.iotdb.flink.FlinkIoTDBSource.java to run the flink job on local m
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/Flink TsFile.html b/UserGuide/Master/Ecosystem Integration/Flink TsFile.html
index 81a82f8..a326ad7 100644
--- a/UserGuide/Master/Ecosystem Integration/Flink TsFile.html
+++ b/UserGuide/Master/Ecosystem Integration/Flink TsFile.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
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- <meta name="generator" content="VuePress 1.8.2">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Ecosystem Integration/Flink TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Ecosystem Integration/Flink TsFile.html" class="nav-link"> [...]
GitHub
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
This enables users to read and write Tsfile by Flink via DataStream/DataSet API.</p> <p>With this connector, you can</p> <ul><li>load a single TsFile or multiple TsFiles(only for DataSet), from either the local file system or hdfs, into Flink</li> <li>load all files in a specific directory, from either the local file system or hdfs, into Flink</li></ul> <h3 id="quick-start"><a href="#quick-start" class="header-anchor">#</a> Quick Start</h3> <h4 id="tsfileinputformat-example"><a href="#t [...]
<span class="token class-name">QueryConstant</span><span class="token punctuation">.</span>RESERVED_TIME<span class="token punctuation">,</span>
<span class="token string">"device_1.sensor_1"</span><span class="token punctuation">,</span>
@@ -174,6 +174,6 @@ env<span class="token punctuation">.</span><span class="token function">execute<
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/Grafana Connector.html b/UserGuide/Master/Ecosystem Integration/Grafana Connector.html
new file mode 100644
index 0000000..a823d2d
--- /dev/null
+++ b/UserGuide/Master/Ecosystem Integration/Grafana Connector.html
@@ -0,0 +1,115 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+ <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
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+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, manually download the .zip file and unpack it into grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugins\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <p>Then you need to restart grafana server, then you can use browser to visit grafana.</p> <p> [...]
+The following plugins are disabled and not shown in the list below:
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Please try to find config file of grafana(eg. customer.ini in windows, and /etc/grafana/grafana.ini in linux), then add following configuration:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>allow_loading_unsigned_plugins = "grafana-simple-json-datasource"
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start Grafana</h4> <p>If Unix is used, Grafana will start automatically after installing, or you can run <code>sudo service grafana-server start</code> command. See more information <a href="http://docs.grafana.org/installation/debian/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org [...]
+First make sure homebrew/services is installed by running <code>brew tap homebrew/services</code>, then start Grafana using: <code>brew services start grafana</code>.
+See more information <a href="http://docs.grafana.org/installation/mac/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3, [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="start-iotdb-grafana-connector"><a href="#start-iotdb-grafana-connector" class="header-anchor">#</a> Start IoTDB-Grafana-Connector</h3> <ul><li>Option one</li></ul> <p>Import the entire project, after the maven dependency is installed, directly run<code>iotdb/grafana-connector/rc/main/java/org/apache/iotdb/web/grafana</code>directory<code>TsfileWebDemoApplication.java</code>, this gra [...]
+mvn clean package -pl grafana-connector -am -Dmaven.test.skip<span class="token operator">=</span>true
+<span class="token builtin class-name">cd</span> grafana/target
+java -jar iotdb-grafana-connector-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>If following output is displayed, then iotdb-grafana-connector connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-connector-<span class="token punctuation">{</span>version<span clas [...]
+
+ <span class="token builtin class-name">.</span> ____ _ __ _ _
+ /<span class="token punctuation">\</span><span class="token punctuation">\</span> / ___<span class="token string">'_ __ _ _(_)_ __ __ _ \ \ \ \
+( ( )\___ | '</span>_ <span class="token operator">|</span> <span class="token string">'_| | '</span>_ <span class="token punctuation">\</span>/ _` <span class="token operator">|</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span>
+ <span class="token punctuation">\</span><span class="token punctuation">\</span>/ ___<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">||</span> <span class="token p [...]
+ ' <span class="token operator">|</span>____<span class="token operator">|</span> .__<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">\</span>__, <span class="token operator">|</span> / / / /
+ <span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">=</span><span class="token operator">|</span>_<span class="token operator">|</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span [...]
+ :: Spring Boot :: <span class="token punctuation">(</span>v1.5.4.RELEASE<span class="token punctuation">)</span>
+<span class="token punctuation">..</span>.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>To configure properties, move the <code>grafana- [...]
+After that, make sure IoTDB has been started, click "Save & Test", and "Data Source is working" will be shown to indicate successful configuration.
+<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h4 id="design-in-dashboard"><a href="#design-in-dashboard [...]
+spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
+spring.datasource.username=root
+spring.datasource.password=root
+spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
+server.port=8888
+# Use this value to set timestamp precision as "ms", "us" or "ns", which must to be same with the timestamp
+# precision of Apache IoTDB engine.
+timestamp_precision=ms
+
+# Use this value to set down sampling true/false
+isDownSampling=true
+# defaut sampling intervals
+interval=1m
+# aggregation function to use to downsampling the data (int, long, float, double)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MAX_VALUE, AVG, MIN_TIME, MIN_VALUE, NOW, SUM
+continuous_data_function=AVG
+# aggregation function to use to downsampling the data (boolean, string)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MIN_TIME, NOW
+discrete_data_function=LAST_VALUE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
+ ←
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+ Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/Grafana Plugin.html b/UserGuide/Master/Ecosystem Integration/Grafana Plugin.html
new file mode 100644
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+<!DOCTYPE html>
+<html lang="en-US">
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+ GitHub
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="compile-grafana-plugin"><a href="#compile-grafana-plugin" class="header-anchor">#</a> Compile grafana-plugin</h4> <h5 id="option-1"><a href="#option-1" class="header-anchor">#</a> Option 1</h5> <p>We need to compile the front-end engineering under the <code>grafana-plugin</code> directory in IoTDB repository and generate the target directory <code>dist</code>. Below is the execution [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Or compile with yarn, execute the command under <code>grafana-plugin</code>：</li></ul> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">yarn</span> <span class="token function">install</span>
+<span class="token function">yarn</span> build
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>If sucessed, we could find the generated target directory <code>dist</code>, which contains the compiled front-end Grafana Plugin:</p> <img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20Integration/Grafana-plugin/grafana-plugin-build.png?raw=true" style="width:100%;max-width:333px;max-height:545px;margin-left: [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If sucessed, we could find the generated target directory <code>distribution/target</code>, which consists the compiled front-end Grafana Plugin:</p> <img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/Ecosystem%20Integration/Grafana-plugin/distribution.png?raw=true" style="width:100%;max-width:333px;max-height:545px;margin-left:auto;margin-right:auto;display: [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>If the Grafana service is already started, it needs to be rebooted.</p></li></ul> <h4 id="boot-grafana"><a href="#boot-grafana" class="header-anchor">#</a> Boot Grafana</h4> <p>Go to the Grafana installation directory and start Grafana with the following command:</p> <ul><li>Windows:</li></ul> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>bin<sp [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Linux:</li></ul> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">sudo</span> <span class="token function">service</span> grafana-server start
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>MacOS:</li></ul> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>brew services start grafana
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Click [Here] for more details (https://grafana.com/docs/grafana/latest/installation/)</p> <h4 id="configure-the-iotdb-rest-service"><a href="#configure-the-iotdb-rest-service" class="header-anchor">#</a> Configure the IoTDB REST Service</h4> <p>Go to <code>{iotdb Directory}/conf</code>, open <code>iotdb-rest.properties</code> and make the following modifications:</p> <div class="language- [...]
+<span class="token attr-name">enable_rest_service</span><span class="token punctuation">=</span><span class="token attr-value">false</span>
+
+<span class="token comment"># the binding port of the REST service</span>
+<span class="token attr-name">rest_service_port</span><span class="token punctuation">=</span><span class="token attr-value">18080</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Start(reboot) IoTDB to bring the configuration into effect, now the IoTDB Rest service is in operation.</p> <h3 id="apply-the-grafana-plugin"><a href="#apply-the-grafana-plugin" class="header-anchor">#</a> Apply the Grafana Plugin</h3> <h4 [...]
+Note：<code><ip></code> is the IP address of the server on which your Grafana resides, and <code><port></code> is the running port of Grafana (Default: 3000).
+On a local trial, the default address for the Grafana Dashboard is <code>http://localhost:3000/</code>.</p> <p>The default username and password are both <code>admin</code>.</p> <h4 id="add-iotdb-data-source"><a href="#add-iotdb-data-source" class="header-anchor">#</a> Add IoTDB Data Source</h4> <p>Click the 'Settings' icon on the left, select the <code>Data Source</code> option, then click <code>Add data source</code>.</p> <img src="https://github.com/apache/iotdb-bin-resources/blob/mai [...]
+ ←
+ <a href="/UserGuide/Master/Collaboration-of-Edge-and-Cloud/Sync-Tool.html" class="prev">
+ Sync Tool
+ </a></span> <span class="next"><a href="/UserGuide/Master/Ecosystem Integration/asdf.html">
+ asdf
+ </a>
+ →
+ </span></p></div> <p style="text-align: center; color: #909399; font-size: 12px">Copyright © 2021 The Apache Software Foundation.<br>
+ Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Ecosystem Integration/Grafana.html b/UserGuide/Master/Ecosystem Integration/Grafana.html
deleted file mode 100644
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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, manually download the .zip file and unpack it into grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugins\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <h4 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start Grafana</h4> [...]
-First make sure homebrew/services is installed by running <code>brew tap homebrew/services</code>, then start Grafana using: <code>brew services start grafana</code>.
-See more information <a href="http://docs.grafana.org/installation/mac/" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3, [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="start-iotdb-grafana"><a href="#start-iotdb-grafana" class="header-anchor">#</a> Start IoTDB-Grafana</h3> <ul><li>Option one</li></ul> <p>Import the entire project, after the maven dependency is installed, directly run<code>iotdb/grafana/rc/main/java/org/apache/iotdb/web/grafana</code>directory<code>TsfileWebDemoApplication.java</code>, this grafana connector is developed by springboo [...]
-mvn clean package -pl grafana -am -Dmaven.test.skip<span class="token operator">=</span>true
-<span class="token builtin class-name">cd</span> grafana/target
-java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>If following output is displayed, then iotdb-grafana connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation [...]
-
- <span class="token builtin class-name">.</span> ____ _ __ _ _
- /<span class="token punctuation">\</span><span class="token punctuation">\</span> / ___<span class="token string">'_ __ _ _(_)_ __ __ _ \ \ \ \
-( ( )\___ | '</span>_ <span class="token operator">|</span> <span class="token string">'_| | '</span>_ <span class="token punctuation">\</span>/ _` <span class="token operator">|</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span>
- <span class="token punctuation">\</span><span class="token punctuation">\</span>/ ___<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">||</span> <span class="token p [...]
- ' <span class="token operator">|</span>____<span class="token operator">|</span> .__<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">\</span>__, <span class="token operator">|</span> / / / /
- <span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">=</span><span class="token operator">|</span>_<span class="token operator">|</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span [...]
- :: Spring Boot :: <span class="token punctuation">(</span>v1.5.4.RELEASE<span class="token punctuation">)</span>
-<span class="token punctuation">..</span>.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>To configure properties, move the <code>grafana/ [...]
-After that, make sure IoTDB has been started, click "Save & Test", and "Data Source is working" will be shown to indicate successful configuration.
-<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h4 id="design-in-dashboard"><a href="#design-in-dashboard [...]
-spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
-spring.datasource.username=root
-spring.datasource.password=root
-spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
-server.port=8888
-# Use this value to set timestamp precision as "ms", "us" or "ns", which must to be same with the timestamp
-# precision of Apache IoTDB engine.
-timestamp_precision=ms
-
-# Use this value to set down sampling true/false
-isDownSampling=true
-# defaut sampling intervals
-interval=1m
-# aggregation function to use to downsampling the data (int, long, float, double)
-# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MAX_VALUE, AVG, MIN_TIME, MIN_VALUE, NOW, SUM
-continuous_data_function=AVG
-# aggregation function to use to downsampling the data (boolean, string)
-# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MIN_TIME, NOW
-discrete_data_function=LAST_VALUE
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
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diff --git a/UserGuide/Master/Ecosystem Integration/Hive TsFile.html b/UserGuide/Master/Ecosystem Integration/Hive TsFile.html
index 50d9cbb..82eba9d 100644
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@@ -4,7 +4,7 @@
<meta charset="utf-8">
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- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/93.bf7cdd19.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -54,7 +54,7 @@
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Added [/Users/hive/iotdb/hive-connector/target/hive-connector-0.13.0-SNAPSHOT-jar-with-dependencies.jar] to class path
Added resources: [/Users/hive/iotdb/hive-connector/target/hive-connector-0.13.0-SNAPSHOT-jar-with-dependencies.jar]
@@ -128,6 +128,6 @@ Time taken: 11.334 seconds, Fetched: 1 row(s)
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diff --git a/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html
index 486b1a4..534f684 100644
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@@ -4,7 +4,7 @@
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<link rel="icon" href="/favicon.ico">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
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License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html" class="na [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
"time_stamp": 10000000,
"device_id": d1,
"s1": true,
@@ -153,8 +153,8 @@
}
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
←
- <a href="/UserGuide/Master/Ecosystem Integration/Zeppelin-IoTDB.html" class="prev">
- Zeppelin-IoTDB
+ <a href="/UserGuide/Master/Ecosystem Integration/DBeaver.html" class="prev">
+ DBeaver-IoTDB
</a></span> <span class="next"><a href="/UserGuide/Master/Ecosystem Integration/Spark TsFile.html">
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@@ -163,6 +163,6 @@
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diff --git a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html
index 5cecc8d..781b1f7 100644
--- a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html
+++ b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
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- <meta name="generator" content="VuePress 1.8.2">
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<link rel="icon" href="/favicon.ico">
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@@ -18,13 +18,13 @@
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<meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/95.4f792ec4.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/100.e5f65dad.js"><link rel="prefetch" href="/assets/js/101.2dfbbf [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,12 +54,12 @@
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<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html" class="nav-link">简体 [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
<groupId>org.apache.iotdb</groupId>
<artifactId>spark-iotdb-connector</artifactId>
<version>0.13.0-SNAPSHOT</version>
</dependency>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h4 id="spark-shell-user-guide"><a href="#spark-shell-user-guide" class="header-anchor">#</a> spark-shell user guide</h4> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connector-0.13. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="read-data-from-iotdb"><a href="#read-data-from-iotdb" class="header-anchor">#</a> Read Data from IoTDB</h2> <h3 id="spark-shell-user-guide"><a href="#spark-shell-user-guide" class="header-anchor">#</a> spark-shell user guide</h3> <div [...]
import org.apache.iotdb.spark.db._
@@ -79,14 +79,16 @@ val df = spark.read.format("org.apache.iotdb.spark.db").option("u
df.printSchema()
df.show()
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="sche [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h3 id="sche [...]
-val wide_df = spark.read.format("org.apache.iotdb.spark.db").option("url", "jdbc:iotdb://127.0.0.1:6667/").option("sql", "select * from root where time < 1100 and time > 1000").load
-val narrow_df = Transformer.toNarrowForm(spark, wide_df)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>from narrow to wide</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.iotdb.spark.db._
+import org.apache.iotdb.spark.db._
+
+val df = spark.read.format("org.apache.iotdb.spark.db").option("url","jdbc:iotdb://127.0.0.1:6667/").option("sql","select * from root align by device").load
+
+df.printSchema()
-val wide_df = Transformer.toWideForm(spark, narrow_df)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h4 id="java-user-guide"><a href="#java-user-guide" class="header-anchor">#</a> Java user guide</h4> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.spark.sql.Dataset;
+df.show()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="java-user-guide"><a href="#java-user-guide" class="header-anchor">#</a> Java user [...]
import org.apache.spark.sql.Row;
import org.apache.spark.sql.SparkSession;
import org.apache.iotdb.spark.db.*
@@ -112,7 +114,41 @@ public class Example {
narrowTable.show()
}
}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>createDataFrame<span class="token punctuation">(</span>List<span class="token punctuation">(</span>
+ <span class="token punctuation">(</span><span class="token number">1L</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0"</span><span class="token punctuation">,</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">1L</span><span class="token punctuation">,</span> <span class="token number">1.0F</span><span class="token punctuation">,</span> <span class="token number">1.0D</span>< [...]
+ <span class="token punctuation">(</span><span class="token number">2L</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0"</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2L</span><span class="token punctuation">,</span> <span class="token number">2.0F</span><span class="token punctuation">,</span> <span class="token number">2.0D</span> [...]
+
+<span class="token keyword">val</span> dfWithColumn <span class="token operator">=</span> df<span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_1"</span><span class="token punctuation">,</span> <span class="token string">"Time"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_2"</span><span class="token punctuation">,</span> <span class="token string">"device_name"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_3"</span><span class="token punctuation">,</span> <span class="token string">"s0"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_4"</span><span class="token punctuation">,</span> <span class="token string">"s1"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_5"</span><span class="token punctuation">,</span> <span class="token string">"s2"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_6"</span><span class="token punctuation">,</span> <span class="token string">"s3"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_7"</span><span class="token punctuation">,</span> <span class="token string">"s4"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_8"</span><span class="token punctuation">,</span> <span class="token string">"s5"</span><span class="token punctuation">)</span>
+dfWithColumn
+ <span class="token punctuation">.</span>write
+ <span class="token punctuation">.</span>format<span class="token punctuation">(</span><span class="token string">"org.apache.iotdb.spark.db"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>option<span class="token punctuation">(</span><span class="token string">"url"</span><span class="token punctuation">,</span> <span class="token string">"jdbc:iotdb://127.0.0.1:6667/"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>save
+
+<span class="token comment">// import wide table</span>
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>createDataFrame<span class="token punctuation">(</span>List<span class="token punctuation">(</span>
+ <span class="token punctuation">(</span><span class="token number">1L</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">1L</span><span class="token punctuation">,</span> <span class="token number">1.0F</span><span class="token punctuation">,</span> <span class="token number">1.0D</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token [...]
+ <span class="token punctuation">(</span><span class="token number">2L</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2L</span><span class="token punctuation">,</span> <span class="token number">2.0F</span><span class="token punctuation">,</span> <span class="token number">2.0D</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token [...]
+
+<span class="token keyword">val</span> dfWithColumn <span class="token operator">=</span> df<span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_1"</span><span class="token punctuation">,</span> <span class="token string">"Time"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_2"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s0"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_3"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s1"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_4"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s2"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_5"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s3"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_6"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s4"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>withColumnRenamed<span class="token punctuation">(</span><span class="token string">"_7"</span><span class="token punctuation">,</span> <span class="token string">"root.test.d0.s5"</span><span class="token punctuation">)</span>
+dfWithColumn<span class="token punctuation">.</span>write<span class="token punctuation">.</span>format<span class="token punctuation">(</span><span class="token string">"org.apache.iotdb.spark.db"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>option<span class="token punctuation">(</span><span class="token string">"url"</span><span class="token punctuation">,</span> <span class="token string">"jdbc:iotdb://127.0.0.1:6667/"</span><span class="token punctuation">)</span>
+ <span class="token punctuation">.</span>save
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
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Spark TsFile
@@ -124,6 +160,6 @@ public class Example {
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diff --git a/UserGuide/Master/Ecosystem Integration/Spark TsFile.html b/UserGuide/Master/Ecosystem Integration/Spark TsFile.html
index cdab6e1..34a6ed0 100644
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@@ -4,7 +4,7 @@
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<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Ecosystem Integration/Spark TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Ecosystem Integration/Spark TsFile.html" class="nav-link"> [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
Currently we only support spark version 2.4.3 and there are some known issue on 2.4.7, do no use it</p></blockquote> <h3 id="quick-start"><a href="#quick-start" class="header-anchor">#</a> Quick Start</h3> <h4 id="local-mode"><a href="#local-mode" class="header-anchor">#</a> Local Mode</h4> <p>Start Spark with TsFile-Spark-Connector in local mode:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>./<spark-shell-path> --jars tsfile-spark-connector.jar,t [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li><spark-shell-path> is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h4 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h4> <p>Start Spark with TsFile-Spark-C [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li><spark-shell-path> is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="data-type-correspondence"><a href="#data-type-correspondence" class="header-anchor">#</a> Data Type Correspondence</h3> <table><th [...]
@@ -123,6 +123,6 @@ NOTE: Check the jar packages in the root directory of your Spark and replace li
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diff --git a/UserGuide/Master/Ecosystem Integration/Writing Data on HDFS.html b/UserGuide/Master/Ecosystem Integration/Writing Data on HDFS.html
index 3dc10a3..abe16cf 100644
--- a/UserGuide/Master/Ecosystem Integration/Writing Data on HDFS.html
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</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true -P get-jar-with-dependencies</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-X.X.X-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target [...]
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mvn clean package -pl zeppelin-interpreter -am -DskipTests -P get-jar-with-dependencies
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The interpreter will be in the folder:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> $IoTDB_HOME/zeppelin-interpreter/target/zeppelin-{version}-SNAPSHOT-jar-with-dependencies.jar
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="install-interpreter"><a href="#install-interpreter" class="header-anchor">#</a> Install Interpreter</h4> <p>Once you have built your interpreter, create a new folder under the Zeppelin interpreter directory and put the built interpreter into it.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> cd $IoTDB_HOME
@@ -96,16 +96,16 @@
<span class="token operator">AND</span> <span class="token keyword">time</span> <span class="token operator"><=</span> <span class="token number">6</span><span class="token punctuation">;</span>
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ Grafana Plugin
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diff --git a/UserGuide/Master/FAQ/Frequently-asked-questions.html b/UserGuide/Master/FAQ/Frequently-asked-questions.html
index 50cb656..50521d0 100644
--- a/UserGuide/Master/FAQ/Frequently-asked-questions.html
+++ b/UserGuide/Master/FAQ/Frequently-asked-questions.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
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- <meta name="generator" content="VuePress 1.8.2">
+ <meta name="generator" content="VuePress 1.9.5">
<link rel="icon" href="/favicon.ico">
<script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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- <link rel="stylesheet" href="/assets/css/0.styles.8ecdd712.css">
+ <link rel="preload" href="/assets/css/0.styles.b938c1b9.css" as="style"><link rel="preload" href="/assets/js/app.7e72c28b.js" as="script"><link rel="preload" href="/assets/js/3.c53a3153.js" as="script"><link rel="preload" href="/assets/js/4.8cacb85f.js" as="script"><link rel="preload" href="/assets/js/100.e5f65dad.js" as="script"><link rel="prefetch" href="/assets/js/10.c3bbdea3.js"><link rel="prefetch" href="/assets/js/101.2dfbbf92.js"><link rel="prefetch" href="/assets/js/102.f2817 [...]
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</head>
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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Foundation
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/FAQ/Frequently-asked-questions.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Maste [...]
GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
_____ _________ ______ ______
|_ _| | _ _ ||_ _ `.|_ _ \
| | .--.|_/ | | \_| | | `. \ | |_) |
@@ -101,6 +101,6 @@ Readme.md
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/Integration-Test/Integration-Test-refactoring-tutorial.html b/UserGuide/Master/Integration-Test/Integration-Test-refactoring-tutorial.html
new file mode 100644
index 0000000..12b0fdd
--- /dev/null
+++ b/UserGuide/Master/Integration-Test/Integration-Test-refactoring-tutorial.html
@@ -0,0 +1,140 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+ <meta name="viewport" content="width=device-width,initial-scale=1">
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+ <meta name="generator" content="VuePress 1.9.5">
+ <link rel="icon" href="/favicon.ico">
+ <script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script>
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+
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+ <body>
+ <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 [...]
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+ GitHub
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ Wiki
+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+ Foundation
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+ Sponsorship
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+ Current Events
+ <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Integration-Test/Integration-Test-refactoring-tutorial.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a h [...]
+ GitHub
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBAliasIT</span> <span class="token punctuation">{</span>
+ <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
+<span class="token punctuation">}</span>
+
+
+<span class="token annotation punctuation">@Category</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token class-name">LocalStandaloneTest</span><span class="token punctuation">.</span><span class="token keyword">class</span><span class="token punctuation">,</span> <span class="token class-name">ClusterTest</span><span class="token punctuation">.</span><span class="token keyword">class</span><span class="token punctuation">}</span><span [...]
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBAlignByDeviceIT</span> <span class="token punctuation">{</span>
+ <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
+<span class="token punctuation">}</span>
+
+
+<span class="token annotation punctuation">@Category</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token class-name">LocalStandaloneTest</span><span class="token punctuation">.</span><span class="token keyword">class</span><span class="token punctuation">}</span><span class="token punctuation">)</span>
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBArithmeticIT</span> <span class="token punctuation">{</span>
+ <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
+<span class="token punctuation">}</span>
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+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBExampleIT</span> <span class="token punctuation">{</span>
+
+ <span class="token comment">// This case can ONLY test in environment of local.</span>
+ <span class="token annotation punctuation">@Test</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">theStandaloneCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
+ <span class="token punctuation">}</span>
+
+ <span class="token comment">// This case can test in environment of local, cluster and remote.</span>
+ <span class="token annotation punctuation">@Test</span>
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+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">theAllEnvCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ <span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>
+ <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBAliasIT</span> <span class="token punctuation">{</span>
+
+ <span class="token annotation punctuation">@BeforeClass</span>
+ <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">setUp</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span>
+ <span class="token comment">// EnvironmentUtils.closeStatMonitor(); // orginal setup code</span>
+ <span class="token comment">// EnvironmentUtils.envSetUp(); // orginal setup code</span>
+ <span class="token class-name">EnvFactory</span><span class="token punctuation">.</span><span class="token function">getEnv</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">initBeforeClass</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// new initBeforeClass code</span>
+
+ <span class="token function">insertData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
+
+ <span class="token annotation punctuation">@AfterClass</span>
+ <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">tearDown</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span>
+ <span class="token comment">// EnvironmentUtils.cleanEnv(); // orginal code</span>
+ <span class="token class-name">EnvFactory</span><span class="token punctuation">.</span><span class="token function">getEnv</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">cleanAfterClass</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// new cleanAfterClass code</span>
+ <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ <span class="token comment">// Class.forName(Config.JDBC_DRIVER_NAME); // orginal connection code</span>
+ <span class="token comment">// try (Connection connection = </span>
+ <span class="token comment">// DriverManager.getConnection( </span>
+ <span class="token comment">// Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root");</span>
+ <span class="token keyword">try</span> <span class="token punctuation">(</span><span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token class-name">EnvFactory</span><span class="token punctuation">.</span><span class="token function">getEnv</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">getConnection</span><span class= [...]
+ <span class="token class-name">Statement</span> statement <span class="token operator">=</span> connection<span class="token punctuation">.</span><span class="token function">createStatement</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+
+ <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token class-name">String</span> sql <span class="token operator">:</span> sqls<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
+ <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">Exception</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
+ <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ <span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">IoTDBCompleteIT</span> <span class="token punctuation">{</span>
+ <span class="token keyword">private</span> <span class="token keyword">int</span> prevVirtualStorageGroupNum<span class="token punctuation">;</span>
+
+ <span class="token annotation punctuation">@Before</span>
+ <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">setUp</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+ prevVirtualStorageGroupNum <span class="token operator">=</span>
+ <span class="token class-name">IoTDBDescriptor</span><span class="token punctuation">.</span><span class="token function">getInstance</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">getConfig</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">getVirtualStorageGroupNum</s [...]
+ <span class="token comment">// IoTDBDescriptor.getInstance().getConfig().setVirtualStorageGroupNum(16); // orginal code</span>
+ <span class="token class-name">ConfigFactory</span><span class="token punctuation">.</span><span class="token function">getConfig</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">setVirtualStorageGroupNum</span><span class="token punctuation">(</span><span class="token number">16</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class= [...]
+ <span class="token class-name">EnvFactory</span><span class="token punctuation">.</span><span class="token function">getEnv</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">initBeforeClass</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+ <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
+ We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information.
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diff --git a/UserGuide/Master/IoTDB-Introduction/Architecture.html b/UserGuide/Master/IoTDB-Introduction/Architecture.html
index 0bbad05..604a191 100644
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@@ -4,7 +4,7 @@
<meta charset="utf-8">
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Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
Foundation
<!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
License
@@ -54,7 +54,7 @@
Current Events
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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What is IoTDB
@@ -66,6 +66,6 @@
Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px">
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diff --git a/UserGuide/Master/IoTDB-Introduction/Features.html b/UserGuide/Master/IoTDB-Introduction/Features.html
index 8a38b3e..36b35db6 100644
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@@ -4,7 +4,7 @@
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@@ -40,7 +40,7 @@
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Tian Jiang, Lei Rui, Jinrui Zhang, Rong Kang, Julian Feinauer, Kevin A. McGrail, Peng Wang, Jun Yuan, Jianmin Wang, Jiaguang Sun. VLDB 2020</li> <li><a href="https://dl.acm.org/citation.cfm?id=2983775&dl=ACM&coll=DL" target="_blank" rel="noopener noreferrer">PISA: An Index for Aggregating Big Time Series Data<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fi [...]
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@@ -67,6 +67,6 @@ Tian Jiang, Lei Rui, Jinrui Zhang, Rong Kang, Julian Feinauer, Kevin A. McGrail,
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Architecture
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IoTDB > create storage group root.sgcc
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>We can thus create two storage groups using the above two SQL statements.</p> <p>It is worth noting that when the path itself or the parent/child layer of the path is already set as a storage group, the path is then not allowed to be set as a storage group. For example, it is not feasible to set <code>root.ln.wf01</code> as a storage group when two st [...]
Msg: 300: root.ln has already been set to storage group.
IoTDB> create storage group root.ln.wf01
Msg: 300: root.ln has already been set to storage group.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The LayerName of storage group can only be characters, numbers, underscores and hyphens.</p> <p>Besides, if deploy on Windows system, the LayerName is case-insensitive, which means it's not allowed to set storage groups <code>root.ln</code> and <code>root.LN</code> at the same [...]
-IoTDB> show storage group root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The LayerName of storage group can only be characters, numbers, underscores and hyphens.</p> <p>Besides, if deploy on Windows system, the LayerName is case-insensitive, which means it's not allowed to set storage groups <code>root.ln</code> and <code>root.LN</code> at the same [...]
+IoTDB> show storage group root.**
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The result is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------+
|storage group|
+-------------+
@@ -70,26 +70,30 @@ IoTDB> show storage group root.ln
+-------------+
Total line number = 2
It costs 0.060s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h3 id="delete-storage-group"><a href="#delete-storage-group" class="header-anchor">#</a> Delete Storage Group</h3> <p>User can [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h3 id="delete-storage-group"><a href="#delete-storage-group" class="header-anchor">#</a> Delete Storage Group</h3> <p>User can [...]
IoTDB > DELETE STORAGE GROUP root.sgcc
// delete all data, all timeseries and all storage groups
-IoTDB > DELETE STORAGE GROUP root.*
+IoTDB > DELETE STORAGE GROUP root.**
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="timeseries-management"><a href="#timeseries-management" class="header-anchor">#</a> Timeseries Management</h2> <h3 id="create-timeseries"><a href="#create-timeseries" class="header-anchor">#</a> Create Timeseries</h3> <p>According to the storage model selected before, we [...]
IoTDB > create timeseries root.ln.wf01.wt01.temperature with datatype=FLOAT,encoding=RLE
IoTDB > create timeseries root.ln.wf02.wt02.hardware with datatype=TEXT,encoding=PLAIN
IoTDB > create timeseries root.ln.wf02.wt02.status with datatype=BOOLEAN,encoding=PLAIN
IoTDB > create timeseries root.sgcc.wf03.wt01.status with datatype=BOOLEAN,encoding=PLAIN
IoTDB > create timeseries root.sgcc.wf03.wt01.temperature with datatype=FLOAT,encoding=RLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>From v0.13, you can use a simplified version of the SQL statements to create timeseries:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB > create timeseries root. [...]
+IoTDB > create timeseries root.ln.wf01.wt01.temperature FLOAT encoding=RLE
+IoTDB > create timeseries root.ln.wf02.wt02.hardware TEXT encoding=PLAIN
+IoTDB > create timeseries root.ln.wf02.wt02.status BOOLEAN encoding=PLAIN
+IoTDB > create timeseries root.sgcc.wf03.wt01.status BOOLEAN encoding=PLAIN
+IoTDB > create timeseries root.sgcc.wf03.wt01.temperature FLOAT encoding=RLE
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>Notice that when in the CREATE TIMESERIES statement the encoding method conflicts with the data type, the system gives the corresponding error prompt as shown below:</p> <div class="language- line-numb [...]
error: encoding TS_2DIFF does not support BOOLEAN
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Please refer to <a href="/UserGuide/Master/Data-Concept/Encoding.html">Encoding</a> for correspondence between data type and encoding.</p> <h3 id="delete-timeseries"><a href="#delete-timeseries" class="header-anchor">#</a> Delete Timeseries</h3> <p>To delete the timeseries we created before, we are able to use <code>DELETE TimeSeries <PrefixPath> [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Please refer to <a href="/UserGuide/Master/Data-Concept/Encoding.html">Encoding</a> for correspondence between data type and encoding.</p> <h3 id="create-aligned-timeseries-from-v0-13"><a href="#create-aligned-timeseries-from-v0-13" class="header-anchor">#</a> Create Aligned Timeseries (From v0.13)</h3> <p>The SQL statement for creating a group of tim [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You can set different datatype, encoding, and compression for the timeseries in a group of aligned timeseries</p> <p>It is not currently supported to set an alias, tag, and attribute for aligned timeseries.</p> <h3 id="delete-timeseries"><a href="#delete-timeseries" class="header-anchor">#</a> Delete Timeseries</h3> <p>To delete the timeseries we created before, we are able to use <code>D [...]
IoTDB> delete timeseries root.ln.wf01.wt01.temperature, root.ln.wf02.wt02.hardware
IoTDB> delete timeseries root.ln.wf02.*
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>As for <strong>aligned</strong> timeseries, we could delete them by explicit declaration with parentheses.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB > delete timeseries root.sg.d1.(s1,s2)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Attention: Deleting part of aligned timeseries is <strong>not supported</strong> currently.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB > delete timeseries root.sg.d1.s1
-error: Not support deleting part of aligned timeseies!
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="show-timeseries"><a href="#show-timeseries" class="header-anchor">#</a> Show Timeseries</h3> <ul><li><p>SHOW LATEST? TIMESERIES prefixPath? showWhereClause? limitClause?</p> <p>There are four optional clauses added in SHOW TIMESERIES, return information of time series</p></li></ul> <p>Timeseries information includes: timeseries path, alias of mea [...]
-IoTDB> show timeseries root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h3 id="show-timeseries"><a href="#show-timeseries" class="header-anchor">#</a> Show Timeseries</h3> <ul><li><p>SHOW LATEST? TIMESERIES pathPattern? showWhereClause? limitClause?</p> <p>There are four optional clauses added in SHOW TIMESERIES, return information of time series</p></li></ul> <p>Timeseries information [...]
+IoTDB> show timeseries root.ln.**
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The results are shown below respectively:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------------------------+--------+-------------+--------+--------+-----------+-------------------------------------------+--------------------------------------------------------+
| timeseries| alias|storage group|dataType|encoding|compression| tags| attributes|
+-------------------------------+--------+-------------+--------+--------+-----------+-------------------------------------------+--------------------------------------------------------+
@@ -114,10 +118,10 @@ It costs 0.016s
+-----------------------------+-----+-------------+--------+--------+-----------+----+----------+
Total line number = 4
It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
ALTER timeseries root.ln.wf02.wt02.status ADD TAGS description=test1
-show timeseries root.ln where unit=c
-show timeseries root.ln where description contains 'test1'
+show timeseries root.ln.** where unit=c
+show timeseries root.ln.** where description contains 'test1'
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The results are shown below respectly:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+--------------------------+-----+-------------+--------+--------+-----------+------------+----------+
| timeseries|alias|storage group|dataType|encoding|compression| tags|attributes|
+--------------------------+-----+-------------+--------+--------+-----------+------------+----------+
@@ -133,8 +137,8 @@ It costs 0.005s
+------------------------+-----+-------------+--------+--------+-----------+-----------------------+----------+
Total line number = 1
It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-IoTDB > COUNT TIMESERIES root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+IoTDB > COUNT TIMESERIES root.ln.**
IoTDB > COUNT TIMESERIES root.ln.*.*.status
IoTDB > COUNT TIMESERIES root.ln.wf01.wt01.status
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Besides, <code>LEVEL</code> could be defined to show count the number of timeseries of each node at the given level in current Metadata Tree. This could be used to query the number of sensors under each device. The grammar is: <code>COUNT TIMESERIES <Path> GROUP BY LEVEL [...]
@@ -150,9 +154,9 @@ IoTDB > COUNT TIMESERIES root.ln.wf01.wt01.status
+-------------------------------+--------+-------------+--------+--------+-----------+-------------------------------------------+--------------------------------------------------------+
Total line number = 7
It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-IoTDB > COUNT TIMESERIES root.ln GROUP BY LEVEL=2
-IoTDB > COUNT TIMESERIES root.ln.wf01 GROUP BY LEVEL=2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+IoTDB > COUNT TIMESERIES root.ln.** GROUP BY LEVEL=2
+IoTDB > COUNT TIMESERIES root.ln.wf01.* GROUP BY LEVEL=2
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>You will get following results:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+-----+
| column|count|
+------------+-----+
@@ -187,8 +191,8 @@ The SQL statements for creating timeseries with extra tag and attribute informat
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>add new tags</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 ADD TAGS tag3=v3, tag4=v4
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>add new attributes</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 ADD ATTRIBUTES attr3=v3, attr4=v4
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>upsert alias, tags and attributes</li></ul> <blockquote><p>add alias or a new key-value if the alias or key doesn't exist, otherwise, update the old one with new value.</p></blockquote> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 UPSERT ALIAS=newAlias TAGS(tag3=v3, tag4=v4) ATTRIBUTES(attr3=v3, attr4=v4)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="node-management"><a href="#node-management" class="header-anchor">#</a> Node Management</h2> <h3 id="show-child-paths"><a href="#show-child-paths" class="header-anchor">#</a> Show Child Paths</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS prefixPath
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Return all child paths of the prefixPath, the prefixPath could contains *.</p> <p>Example：</p> <ul><li>return the child paths of root.ln：show child paths root.ln</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="node-management"><a href="#node-management" class="header-anchor">#</a> Node Management</h2> <h3 id="show-child-paths"><a href="#show-child-paths" class="header-anchor">#</a> Show Child Paths</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS pathPattern
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Return all child paths of all the paths matching pathPattern.</p> <p>Example：</p> <ul><li>return the child paths of root.ln：show child paths root.ln</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
| child paths|
+------------+
|root.ln.wf01|
@@ -196,21 +200,21 @@ The SQL statements for creating timeseries with extra tag and attribute informat
+------------+
Total line number = 2
It costs 0.002s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><blockquote><p>get all paths in form of root.xx.xx.xx：show child paths root.xx.xx</p></blockquote> <h3 id="show-child-nodes"><a [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Return all child nodes of the prefixPath.</p> <p>Example：</p> <ul><li>return the child nodes of root：show child nodes root</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><blockquote><p>get all paths in form of root.xx.xx.xx：show child paths root.xx.xx</p></blockquote> <h3 id="show-child-nodes"><a [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Return all child nodes of the pathPattern.</p> <p>Example：</p> <ul><li>return the child nodes of root：show child nodes root</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
| child nodes|
+------------+
| ln|
+------------+
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>return the child nodes of root.vehicle：show child nodes root.ln</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>return the child nodes of root.ln：show child nodes root.ln</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
| child nodes|
+------------+
| wf01|
| wf02|
+------------+
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="count-nodes"><a href="#count-nodes" class="header-anchor">#</a> Count Nodes</h3> <p>IoTDB is able to use <code>COUNT NODES <PrefixPath> LEVEL=<INTEGER></code> to count the number of no [...]
-IoTDB > COUNT NODES root.ln LEVEL=2
-IoTDB > COUNT NODES root.ln.wf01 LEVEL=3
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="count-nodes"><a href="#count-nodes" class="header-anchor">#</a> Count Nodes</h3> <p>IoTDB is able to use <code>COUNT NODES <PathPattern> LEVEL=<INTEGER></code> to count the number of n [...]
+IoTDB > COUNT NODES root.ln.** LEVEL=2
+IoTDB > COUNT NODES root.ln.wf01.** LEVEL=3
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>As for the above mentioned example and Metadata tree, you can get following results:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----+
|count|
+-----+
@@ -234,9 +238,8 @@ It costs 0.002s
+-----+
Total line number = 1
It costs 0.002s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-<code>PrefixPath</code> could contains <code>*</code>, but all nodes after <code>*</code> would be ignored. Only the prefix path before <code>*</code> is valid.</p></blockquote> <h3 id="show-devices"><a href="#show-devices" class="header-anchor">#</a> Show Devices</h3> <ul><li>SHOW DEVICES prefixPath? (WITH STORAGE GROUP)? limitClause? #showDevices</li></ul> <p>Similar to <code>Show Timeseries</code>, IoTDB also supports two ways of viewing devices:</p> <ul><li><code>SHOW DEVICES</code> [...]
-IoTDB> show devices root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+IoTDB> show devices root.ln.**
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>You can get results below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------------+
| devices|
+-------------------+
@@ -256,9 +259,9 @@ It costs 0.002s
+-----------------+
Total line number = 2
It costs 0.001s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
devices' information under the given level with their storage group information.</li></ul> <p>SQL statement is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> show devices with storage group
-IoTDB> show devices root.ln with storage group
+IoTDB> show devices root.ln.** with storage group
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>You can get results below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------------+-------------+
| devices|storage group|
+-------------------+-------------+
@@ -278,7 +281,11 @@ It costs 0.003s
+-----------------+-------------+
Total line number = 2
It costs 0.001s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="set-schema-template"><a href="#set-schema-template" class="header-anchor">#</a> Set Schema Template</h3> <p>The SQL Statement for setting schema template is as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> set schema template temp1 to root.ln.wf01
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After setting the schema template, you can insert data into the timeseries. For example, suppose there's a storage group root.ln and temp1 has been set to root.ln.wf01, then timeseries like root.ln.wf01.GPS.lat and root.ln.wf01.status are available and data points can be inserted.</p> <p><strong>Attention</strong>: Before inserting data, timeseries defined by the schema template will not [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="uset-schema-template"><a href="#uset-schema-template" class="header-anchor">#</a> Uset Schema Template</h3> <p>The SQL Statement for unsetting schema template is as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> unset schema template temp1 from root.beijing
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>Attention</strong>: Unsetting the template from entities, which have already inserted records using the template, is not supported.</p> <h2 id="ttl"><a href="#ttl" class="header-anchor">#</a> TTL</h2> <p>IoTDB supports storage-level TTL settings, which means it is able to delete old data automatically and periodically. The benefit of using TTL is that hopefully you can control the [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This example means that for data in <code>root.ln</code>, only that of the latest 1 hour will remain, the older one is removed or made invisible.</p> <h3 id="unset-ttl"><a href="#unset-ttl" class="header-anchor">#</a> Unset TTL</h3> <p>To unset TTL, we can use follwing SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> unset ttl to root.ln
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After unset TTL, all data will be accepted in <code>root.ln</code></p> <h3 id="show-ttl"><a href="#show-ttl" class="header-anchor">#</a> Show TTL</h3> <p>To Show TTL, we can use following SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW ALL TTL
IoTDB> SHOW TTL ON StorageGroupNames
@@ -287,8 +294,8 @@ The SHOW TTL ON root.group1 , root.group2 , root.group3 example shows the TTL f
groups specified.
Note: the TTL for storage groups that do not have a TTL set will display as null.</p></div> <div class="page-nav"><p class="inner"><span class="prev">
←
- <a href="/UserGuide/Master/Administration-Management/Administration.html" class="prev">
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+ <a href="/UserGuide/Master/IoTDB-SQL-Language/Syntax-Conventions.html" class="prev">
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</a></span> <span class="next"><a href="/UserGuide/Master/IoTDB-SQL-Language/DML-Data-Manipulation-Language.html">
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</a>
@@ -297,6 +304,6 @@ Note: the TTL for storage groups that do not have a TTL set will display as null
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diff --git a/UserGuide/Master/IoTDB-SQL-Language/DML-Data-Manipulation-Language.html b/UserGuide/Master/IoTDB-SQL-Language/DML-Data-Manipulation-Language.html
index 2cbf591..6dde750 100644
--- a/UserGuide/Master/IoTDB-SQL-Language/DML-Data-Manipulation-Language.html
+++ b/UserGuide/Master/IoTDB-SQL-Language/DML-Data-Manipulation-Language.html
@@ -4,7 +4,7 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title> </title>
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@@ -40,7 +40,7 @@
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,11 +54,11 @@
Current Events
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-IoTDB > insert into root.ln.wf02.wt02(timestamp,hardware) values(1, "v1")
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The above example code inserts the long integer timestamp and the value "true" into the timeseries <code>root.ln.wf02.wt02.status</code> and inserts the long integer timestamp and the value "v1" into the timeseries <code>root.ln.wf02.wt02.hardware</code>. When the execution is successful, cost time is shown to indicate that the dat [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In addition, The INSERT statement support insert multi-rows at once. The sample code of inserting two rows as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB > insert into root.ln.wf02.wt02(timestamp, status, hardware) VALUES (3, false, 'v3'),(4, true, 'v4')
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After inserting the data, we can simply query the inserted data using the SELECT statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB > select * from root.ln.wf02 where time < 5
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+IoTDB > insert into root.ln.wf02.wt02(timestamp,hardware) values(1, 'v1')
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The above example code inserts the long integer timestamp and the value "true" into the timeseries <code>root.ln.wf02.wt02.status</code> and inserts the long integer timestamp and the value "v1" into the timeseries <code>root.ln.wf02.wt02.hardware</code>. When the execution is successful, cost time is shown to indicate that the dat [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In addition, The INSERT statement support insert multi-rows at once. The sample code of inserting two rows as follows:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB <span class="token operator">></span> <span class="token keyword">insert</span> <span class="token keyword">into</span> root<span class="token punctuation">.</span>ln<span class="toke [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After inserting the data, we can simply query the inserted data using the SELECT statement:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB <span class="token operator">></span> <span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below. The query result shows that the insertion statements of single column and multi column data are performed correctly.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------------+------------------------+
| Time|root.ln.wf02.wt02.hardware|root.ln.wf02.wt02.status|
+-----------------------------+--------------------------+------------------------+
@@ -68,8 +68,21 @@ IoTDB > insert into root.ln.wf02.wt02(timestamp,hardware) values(1, "v1&
|1970-01-01T08:00:00.004+08:00| v4| true|
+-----------------------------+--------------------------+------------------------+
Total line number = 4
-It costs 0.170s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h2 id="select"><a href="#select" class="header-anc [...]
+It costs 0.004s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h3 id="insert-data-into-aligned-timeseries"><a hre [...]
+IoTDB <span class="token operator">></span> <span class="token keyword">insert</span> <span class="token keyword">into</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">time</span><span class="token punctuation">,</span> s1<span class="token punctuation">,</span> s2<span class="token punctuation">)</span> aligned <span class="token keyword">values</span><span class="token [...]
+IoTDB <span class="token operator">></span> <span class="token keyword">insert</span> <span class="token keyword">into</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">time</span><span class="token punctuation">,</span> s1<span class="token punctuation">,</span> s2<span class="token punctuation">)</span> aligned <span class="token keyword">values</span><span class="token [...]
+IoTDB <span class="token operator">></span> <span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>The result is shown below. The query result shows that the insertion statements are performed correctly.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------+--------------+
+| Time|root.sg1.d2.s1|root.sg1.d2.s2|
++-----------------------------+--------------+--------------+
+|1970-01-01T08:00:00.001+08:00| 1| 1.0|
+|1970-01-01T08:00:00.002+08:00| 2| 2.0|
+|1970-01-01T08:00:00.003+08:00| 3| 3.0|
++-----------------------------+--------------+--------------+
+Total line number = 3
+It costs 0.004s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="select"><a href="#select" class="header-anchor">#</a> SELECT</h2> <h3 id="time-sli [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the temperature sensor (temperature). The SQL statement requires that all temperature sensor values before the time point of "2017-11-01T00:08:00.000" be selected.</p> <p>The execution result of this SQL statement is as follows:</p> <div class="language- line-numbers-mode"><pre [...]
| Time|root.ln.wf01.wt01.temperature|
+-----------------------------+-----------------------------+
@@ -84,7 +97,7 @@ It costs 0.170s
+-----------------------------+-----------------------------+
Total line number = 8
It costs 0.026s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is "status" and "temperature". The SQL statement requires that the status and temperature sensor values between the time point of "2017-11-01T00:05:00.000" and "2017-11-01T00:12:00.000" be selected.</p> <p>The execution result of this SQL statement is [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
+-----------------------------+------------------------+-----------------------------+
@@ -97,7 +110,7 @@ It costs 0.026s
+-----------------------------+------------------------+-----------------------------+
Total line number = 6
It costs 0.018s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is "status" and "temperature"; the statement specifies two different time intervals, namely "2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000" and "2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000". The SQL statement requires that the values of se [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
+-----------------------------+------------------------+-----------------------------+
@@ -113,7 +126,7 @@ It costs 0.018s
+-----------------------------+------------------------+-----------------------------+
Total line number = 9
It costs 0.018s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected timeseries are "the power supply status of ln group wf01 plant wt01 device" and "the hardware version of ln group wf02 plant wt02 device"; the statement specifies two different time intervals, namely "2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000" and "2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000". The SQL [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf02.wt02.hardware|
+-----------------------------+------------------------+--------------------------+
@@ -130,7 +143,7 @@ It costs 0.018s
Total line number = 9
It costs 0.014s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-For example, the SQL statement is:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator">></span> <span class="token number">1</span> <span class="token keyword">order</span> <span class [...]
+For example, the SQL statement is:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token operator">*</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="to [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The execution result of this SQL statement is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------------+------------------------+-----------------------------+------------------------+
| Time|root.ln.wf02.wt02.hardware|root.ln.wf02.wt02.status|root.ln.wf01.wt01.temperature|root.ln.wf01.wt01.status|
+-----------------------------+--------------------------+------------------------+-----------------------------+------------------------+
@@ -147,7 +160,19 @@ For example, the SQL statement is:</p> <div class="language-sql line-numbers-mod
+-----------------------------+--------------------------+------------------------+-----------------------------+------------------------+
Total line number = 10
It costs 0.016s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
+| Time|root.sg.d1.s1|-root.sg.d1.s1|root.sg.d1.s2|root.sg.d1.s2|root.sg.d1.s1 + root.sg.d1.s2|root.sg.d1.s1 - root.sg.d1.s2|root.sg.d1.s1 * root.sg.d1.s2|root.sg.d1.s1 / root.sg.d1.s2|root.sg.d1.s1 % root.sg.d1.s2|
++-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
+|1970-01-01T08:00:00.001+08:00| 1.0| -1.0| 1.0| 1.0| 2.0| 0.0| 1.0| 1.0| 0.0|
+|1970-01-01T08:00:00.002+08:00| 2.0| -2.0| 2.0| 2.0| 4.0| 0.0| 4.0| 1.0| 0.0|
+|1970-01-01T08:00:00.003+08:00| 3.0| -3.0| 3.0| 3.0| 6.0| 0.0| 9.0| 1.0| 0.0|
+|1970-01-01T08:00:00.004+08:00| 4.0| -4.0| 4.0| 4.0| 8.0| 0.0| 16.0| 1.0| 0.0|
+|1970-01-01T08:00:00.005+08:00| 5.0| -5.0| 5.0| 5.0| 10.0| 0.0| 25.0| 1.0| 0.0|
++-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
+Total line number = 5
+It costs 0.014s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h3 id="time [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------+-------------------+--------------------+-------------------+
| Time| root.sg1.d1.s1|sin(root.sg1.d1.s1)| cos(root.sg1.d1.s1)|tan(root.sg1.d1.s1)|
+-----------------------------+-------------------+-------------------+--------------------+-------------------+
@@ -159,7 +184,7 @@ It costs 0.016s
+-----------------------------+-------------------+-------------------+--------------------+-------------------+
Total line number = 5
It costs 0.008s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="stri [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="stri [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------+-------------------------------------------+------------------------------------------------------+
| Time|root.sg1.d4.s1|string_contains(root.sg1.d4.s1, "s"="warn")|string_matches(root.sg1.d4.s1, "regex"="[^\\s]+37229")|
+-----------------------------+--------------+-------------------------------------------+------------------------------------------------------+
@@ -169,7 +194,7 @@ It costs 0.008s
+-----------------------------+--------------+-------------------------------------------+------------------------------------------------------+
Total line number = 3
It costs 0.007s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h4 id="selector-functions"><a href="#selector-functions" class="header-anchor">#</a> Sele [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h4 id="selector-functions"><a href="#selector-functions" class="header-anchor">#</a> Sele [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------+------------------------------+---------------------------------+
| Time| root.sg1.d2.s1|top_k(root.sg1.d2.s1, "k"="2")|bottom_k(root.sg1.d2.s1, "k"="2")|
+-----------------------------+--------------------+------------------------------+---------------------------------+
@@ -181,7 +206,7 @@ It costs 0.007s
+-----------------------------+--------------------+------------------------------+---------------------------------+
Total line number = 5
It costs 0.006s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="vari [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="vari [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------+-------------------------------+--------------------------+---------------------------------------+--------------------------+---------------------------------------+
| Time| root.sg1.d1.s1|time_difference(root.sg1.d1.s1)|difference(root.sg1.d1.s1)|non_negative_difference(root.sg1.d1.s1)|derivative(root.sg1.d1.s1)|non_negative_derivative(root.sg1.d1.s1)|
+-----------------------------+-------------------+-------------------------------+--------------------------+---------------------------------------+--------------------------+---------------------------------------+
@@ -193,19 +218,116 @@ It costs 0.006s
+-----------------------------+-------------------+-------------------------------+--------------------------+---------------------------------------+--------------------------+---------------------------------------+
Total line number = 5
It costs 0.014s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="user [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
-| Time|root.sg.d1.s1|-root.sg.d1.s1|root.sg.d1.s2|root.sg.d1.s2|root.sg.d1.s1 + root.sg.d1.s2|root.sg.d1.s1 - root.sg.d1.s2|root.sg.d1.s1 * root.sg.d1.s2|root.sg.d1.s1 / root.sg.d1.s2|root.sg.d1.s1 % root.sg.d1.s2|
-+-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
-|1970-01-01T08:00:00.001+08:00| 1.0| -1.0| 1.0| 1.0| 2.0| 0.0| 1.0| 1.0| 0.0|
-|1970-01-01T08:00:00.002+08:00| 2.0| -2.0| 2.0| 2.0| 4.0| 0.0| 4.0| 1.0| 0.0|
-|1970-01-01T08:00:00.003+08:00| 3.0| -3.0| 3.0| 3.0| 6.0| 0.0| 9.0| 1.0| 0.0|
-|1970-01-01T08:00:00.004+08:00| 4.0| -4.0| 4.0| 4.0| 8.0| 0.0| 16.0| 1.0| 0.0|
-|1970-01-01T08:00:00.005+08:00| 5.0| -5.0| 5.0| 5.0| 10.0| 0.0| 25.0| 1.0| 0.0|
-+-----------------------------+-------------+--------------+-------------+-------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+-----------------------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h4 id="cons [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select s1, s2, const(s1, 'value'='1024', 'type'='INT64'), pi(s2), e(s1, s2) from root.sg1.d1;
++-----------------------------+--------------+--------------+-----------------------------------------------------+------------------+---------------------------------+
+| Time|root.sg1.d1.s1|root.sg1.d1.s2|const(root.sg1.d1.s1, "value"="1024", "type"="INT64")|pi(root.sg1.d1.s2)|e(root.sg1.d1.s1, root.sg1.d1.s2)|
++-----------------------------+--------------+--------------+-----------------------------------------------------+------------------+---------------------------------+
+|1970-01-01T08:00:00.000+08:00| 0.0| 0.0| 1024| 3.141592653589793| 2.718281828459045|
+|1970-01-01T08:00:00.001+08:00| 1.0| null| 1024| null| 2.718281828459045|
+|1970-01-01T08:00:00.002+08:00| 2.0| null| 1024| null| 2.718281828459045|
+|1970-01-01T08:00:00.003+08:00| null| 3.0| null| 3.141592653589793| 2.718281828459045|
+|1970-01-01T08:00:00.004+08:00| null| 4.0| null| 3.141592653589793| 2.718281828459045|
++-----------------------------+--------------+--------------+-----------------------------------------------------+------------------+---------------------------------+
Total line number = 5
-It costs 0.014s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h3 id="aggr [...]
+It costs 0.005s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
++-----------------------------+--------------+
+| Time|root.test.text|
++-----------------------------+--------------+
+|1970-01-01T08:00:00.001+08:00| 1.1|
+|1970-01-01T08:00:00.002+08:00| 1|
+|1970-01-01T08:00:00.003+08:00| hello world|
+|1970-01-01T08:00:00.004+08:00| false|
++-----------------------------+--------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>SQL:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><s [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------------------------+------------------------------------+------------------------------------+------------------------------------+-------------------------------------+
+| Time|cast(root.test.text, "type"="BOOLEAN")|cast(root.test.text, "type"="INT32")|cast(root.test.text, "type"="INT64")|cast(root.test.text, "type"="FLOAT")|cast(root.test.text, "type"="DOUBLE")|
++-----------------------------+--------------------------------------+------------------------------------+------------------------------------+------------------------------------+-------------------------------------+
+|1970-01-01T08:00:00.001+08:00| true| 1| 1| 1.1| 1.1|
+|1970-01-01T08:00:00.002+08:00| true| 1| 1| 1.0| 1.0|
+|1970-01-01T08:00:00.003+08:00| true| null| null| null| null|
+|1970-01-01T08:00:00.004+08:00| false| null| null| null| null|
++-----------------------------+--------------------------------------+------------------------------------+------------------------------------+------------------------------------+-------------------------------------+
+Total line number = 4
+It costs 0.078s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h4 id="user-defined-timeseries-generating-function [...]
+ : <span class="token keyword">SELECT</span> resultColumn <span class="token punctuation">(</span><span class="token string">','</span> resultColumn<span class="token punctuation">)</span><span class="token operator">*</span>
+ <span class="token punctuation">;</span>
+
+resultColumn
+ : expression <span class="token punctuation">(</span><span class="token keyword">AS</span> ID<span class="token punctuation">)</span>?
+ <span class="token punctuation">;</span>
+
+expression
+ : <span class="token string">'('</span> expression <span class="token string">')'</span>
+ <span class="token operator">|</span> <span class="token string">'-'</span> expression
+ <span class="token operator">|</span> expression <span class="token punctuation">(</span><span class="token string">'*'</span> <span class="token operator">|</span> <span class="token string">'/'</span> <span class="token operator">|</span> <span class="token string">'%'</span><span class="token punctuation">)</span> expression
+ <span class="token operator">|</span> expression <span class="token punctuation">(</span><span class="token string">'+'</span> <span class="token operator">|</span> <span class="token string">'-'</span><span class="token punctuation">)</span> expression
+ <span class="token operator">|</span> functionName <span class="token string">'('</span> expression <span class="token punctuation">(</span><span class="token string">','</span> expression<span class="token punctuation">)</span><span class="token operator">*</span> functionAttribute<span class="token operator">*</span> <span class="token string">')'</span>
+ <span class="token operator">|</span> timeSeriesSuffixPath
+ <span class="token operator">|</span> number
+ <span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ b<span class="token punctuation">,</span>
+ <span class="token punctuation">(</span><span class="token punctuation">(</span>a <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">2</span> <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">%</span> <span class="token number">2</span> <span class="token operator [...]
+ sin<span class="token punctuation">(</span>a <span class="token operator">+</span> sin<span class="token punctuation">(</span>a <span class="token operator">+</span> sin<span class="token punctuation">(</span>b<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token operator">-</span><span class="token punctuation">(</span>a <span class="token operator">+</span> b<span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token punctuation">(</span>sin<span class="token punctuation">(</span>a <span class="token operator">+</span> b<span class="token punctuation">)</span> <span class="token operator">*</span> sin<span class="token punctuation">(</span>a <span class="token operator">+</span> b< [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>sg1<span class="token punctuation">.</span>d1<span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------+-------------+-------------------------------------------+------------ [...]
+| Time|root.sg1.d1.a|root.sg1.d1.b|((((root.sg1.d1.a + 1) * 2) - 1) % 2) + 1.5|sin(root.sg1.d1.a + sin(root.sg1.d1.a + sin(root.sg1.d1.b)))|-root.sg1.d1.a + root.sg1.d1.b * ((sin(root.sg1.d1.a + root.sg1.d1.b) * sin(root.sg1.d1.a + root.sg1.d1.b)) + (cos(root.sg1.d1.a + root.sg1.d1.b) * cos(root.sg1.d1.a + root.sg1.d1.b)))|
++-----------------------------+-------------+-------------+-------------------------------------------+------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+|1970-01-01T08:00:00.000+08:00| 0| 0| 2.5| 0.0| -0.0|
+|1970-01-01T08:00:00.001+08:00| 1| 1| 2.5| 0.9238430524420609| -2.0|
+|1970-01-01T08:00:00.002+08:00| 2| 2| 2.5| 0.7903505371876317| -4.0|
++-----------------------------+-------------+-------------+-------------------------------------------+------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+Total line number = 3
+It costs 0.170s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="fill-null-value"><a href="#fill-null-value" class="header-anchor">#</a> Fill Null [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-2.</p> <center><p><strong>Table 3-2 Previous fill paramter list</strong></p> <table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; ma [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) for fill and display.</p> <p>On the <a href="https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt" tar [...]
+| Time|root.sgcc.wf03.wt01.temperature|
++-----------------------------+-------------------------------+
+|2017-11-01T16:37:50.000+08:00| 21.93|
++-----------------------------+-------------------------------+
+Total line number = 1
+It costs 0.016s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>It is worth noting that if there is no value in the specified valid time range, the system will not fill the null value, as shown below:</p> <div class="language- [...]
++-----------------------------+-------------------------------+
+| Time|root.sgcc.wf03.wt01.temperature|
++-----------------------------+-------------------------------+
+|2017-11-01T16:37:50.000+08:00| null|
++-----------------------------+-------------------------------+
+Total line number = 1
+It costs 0.004s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Linear Method</li></ul> <p>When the value of the queried timestamp is null, the value of the previous and the next times [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-3.</p> <center><p><strong>Table 3-3 Linear fill paramter list</strong></p> <table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mand [...]
+Otherwise, if there is no valid fill value in either range [T - before_range, T] or [T, T + after_range], linear fill method will return null.</p> <p>Here we give an example of filling null values using the linear method. The SQL statement is as follows:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> temperature <span class="token keyword">from</span> root<span class="token punctuation">.</span>sgcc<span class="to [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) and its value 21.927326, the next timestamp 2017-11-01T16:38:00.000 (and the timestamp is in the [2017-11-01T16:37:50.000, 20 [...]
+| Time|root.sgcc.wf03.wt01.temperature|
++-----------------------------+-------------------------------+
+|2017-11-01T16:37:50.000+08:00| 24.746666|
++-----------------------------+-------------------------------+
+Total line number = 1
+It costs 0.017s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Value Method</li></ul> <p>When the value of the queried timestamp is null, given fill value is used to fill the blank. The formalized value method is as follo [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-4.</p> <center><p><strong>Table 3-4 Specific value fill paramter list</strong></p> <table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query pa [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses given specific value 2.0 to fill</p> <p>On the <a href="https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt" target="_blank" rel="noopener noreferrer">sample data<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="fa [...]
+| Time|root.sgcc.wf03.wt01.temperature|
++-----------------------------+-------------------------------+
+|2017-11-01T16:37:50.000+08:00| 2.0|
++-----------------------------+-------------------------------+
+Total line number = 1
+It costs 0.007s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>When using the ValueFill, note that IoTDB will not fill the query result if the data type is different from the input constant</p> <p>example:</p> <div class="lang [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------------+
+| Time|root.sgcc.wf03.wt01.temperature|
++-----------------------------+-------------------------------+
+|2017-11-01T16:37:50.000+08:00| null |
++-----------------------------+-------------------------------+
+Total line number = 1
+It costs 0.007s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h3 id="aggregate-query"><a href="#aggregate-query" class="header-anchor">#</a> Aggregate Query</h3> <p>This section mainly introduces the related examples of aggrega [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------------------------+
|count(root.ln.wf01.wt01.status)|
+-------------------------------+
@@ -213,39 +335,58 @@ It costs 0.014s
+-------------------------------+
Total line number = 1
It costs 0.016s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h5 id="aggregation-by-level"><a href="#aggregation-by-level" class="header-anchor">#</a> Aggregation By Level</h5> <p><strong>Aggregation by level statement</strong> [...]
-For all timeseries paths, by convention, "level=0" represents <em>root</em> level.
-That is, to tally the points of any measurements under "root.ln", the level should be set to 1.</p> <p>For example, there are multiple series under "root.ln.wf01", such as "root.ln.wf01.wt01.status","root.ln.wf01.wt02.status","root.ln.wf01.wt03.status".
-To count the number of "status" points of all these series, use query:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select count(status) from root.ln.wf01.* group by level=2
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----------------------------+
-|COUNT(root.ln.wf01.*.status)|
-+----------------------------+
-| 10080|
-+----------------------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h4 id="aggregation-by-level"><a href="#aggregation-by-level" class="header-anchor">#</a> Aggregation By Level</h4> <p>Aggregation by level statement is used to group [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span>
+<span class="token keyword">group</span> <span class="token keyword">by</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token number">1</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------------------+---------------------------+
+|count(root.ln.*.*.status)|count(root.sgcc.*.*.status)|
++-------------------------+---------------------------+
+| 20160| 10080|
++-------------------------+---------------------------+
+Total line number = 1
+It costs 0.003s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Similarly，if you need to count the number of data points under different devices, you can specify level = 3,</p> <div class="language-sql line-numbers-mode"><pre c [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span>
+<span class="token keyword">group</span> <span class="token keyword">by</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token number">3</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------------------+---------------------------+
+|count(root.*.*.wt01.status)|count(root.*.*.wt02.status)|
++---------------------------+---------------------------+
+| 20160| 10080|
++---------------------------+---------------------------+
Total line number = 1
It costs 0.003s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Suppose we add another two timeseries, "root.ln.wf01.wt01.temperature" and "root.ln.wf02.wt01.temperature".
-To query the count and the sum of "temperature" under path "root.ln.<em>.</em>",
-aggregating on level=2, use following statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select count(temperature), sum(temperature) from root.ln.*.* group by level=2
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------------------------+---------------------------------+-------------------------------+-------------------------------+
-|count(root.ln.wf02.*.temperature)|count(root.ln.wf01.*.temperature)|sum(root.ln.wf02.*.temperature)|sum(root.ln.wf01.*.temperature)|
-+---------------------------------+---------------------------------+-------------------------------+-------------------------------+
-| 8| 4| 228.0| 91.83000183105469|
-+---------------------------------+---------------------------------+-------------------------------+-------------------------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Attention，the devices named <code>wt01</code> under storage groups <code>ln</code> and <code>sgcc</code> are grouped together, since they are regarded as devices w [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span>
+<span class="token keyword">group</span> <span class="token keyword">by</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">3</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----------------------------+----------------------------+------------------------------+
+|count(root.ln.*.wt01.status)|count(root.ln.*.wt02.status)|count(root.sgcc.*.wt01.status)|
++----------------------------+----------------------------+------------------------------+
+| 10080| 10080| 10080|
++----------------------------+----------------------------+------------------------------+
+Total line number = 1
+It costs 0.003s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Assuming that you want to query the maximum value of temperature sensor under all time series, you can use the following query statement:</p> <div class="language- [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span>
+<span class="token keyword">group</span> <span class="token keyword">by</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token number">0</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------------------------+
+|max_value(root.*.*.*.temperature)|
++---------------------------------+
+| 26.0|
++---------------------------------+
Total line number = 1
It costs 0.013s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>To query the count and the sum of path "root.ln.*.*.temperature" aggregating on "root.ln" level,
-simply set level=1</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select count(temperature), sum(temperature) from root.ln.*.* group by level=1
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------------------------+----------------------------+
-|count(root.ln.*.*.temperature)|sum(root.ln.*.*.temperature)|
-+------------------------------+----------------------------+
-| 12| 319.8300018310547|
-+------------------------------+----------------------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>The above queries are for a certain sensor. In particular, <strong>if you want to query the total data points owned by all sensors at a certain level</strong>, you [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span><span class="token operator">*</span><span class="token operator">*</span>
+<span class="token keyword">group</span> <span class="token keyword">by</span> <span class="token keyword">level</span> <span class="token operator">=</span> <span class="token number">2</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----------------------+----------------------+
+|count(root.*.wf01.*.*)|count(root.*.wf02.*.*)|
++----------------------+----------------------+
+| 20160| 20160|
++----------------------+----------------------+
Total line number = 1
It costs 0.013s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>All supported aggregation functions are: count, sum, avg, last_value, first_value, min_time, max_time, min_value, max_value, extreme.
-When using four aggregations: sum, avg, min_value, max_value and extreme please make sure all the aggregated series have exactly the same data type.
-Otherwise, it will generate a syntax error.</p> <h3 id="down-frequency-aggregate-query"><a href="#down-frequency-aggregate-query" class="header-anchor">#</a> Down-Frequency Aggregate Query</h3> <p>This section mainly introduces the related examples of down-frequency aggregation query,
+When using four aggregations: sum, avg, min_value, max_value and extreme please make sure all the aggregated series have exactly the same data type. Otherwise, it will generate a syntax error.</p> <h4 id="down-frequency-aggregate-query"><a href="#down-frequency-aggregate-query" class="header-anchor">#</a> Down-Frequency Aggregate Query</h4> <p>This section mainly introduces the related examples of down-frequency aggregation query,
using the <a href="/UserGuide/Master/Appendix/SQL-Reference.html">GROUP BY clause</a>,
which is used to partition the result set according to the user's given partitioning conditions and aggregate the partitioned result set.
IoTDB supports partitioning result sets according to time interval and customized sliding step which should not be smaller than the time interval and defaults to equal the time interval if not set. And by default results are sorted by time in ascending order.
@@ -254,7 +395,7 @@ Among them, the parameter 3 is optional.
There are three typical examples of frequency reduction aggregation:
parameter 3 not specified,
parameter 3 specified,
-and value filtering conditions specified.</p> <center><img src="https://user-images.githubusercontent.com/16079446/69109512-f808bc80-0ab2-11ea-9e4d-b2b2f58fb474.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p><strong>Figure 5.2 The actual meanings of the three types of parameters</strong></p> <h4 id="down-frequency-aggregate-query-without-specifying-the-sliding-step-length"><a href="#down-frequency-aggregate-query-wi [...]
+and value filtering conditions specified.</p> <center><img src="https://user-images.githubusercontent.com/16079446/69109512-f808bc80-0ab2-11ea-9e4d-b2b2f58fb474.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p><strong>Figure 5.2 The actual meanings of the three types of parameters</strong></p> <h5 id="down-frequency-aggregate-query-without-specifying-the-sliding-step-length"><a href="#down-frequency-aggregate-query-wi [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the sliding step length is not specified, the GROUP BY statement by default set the sliding step the same as the time interval which is <code>1d</code>.</p> <p>The fist parameter of the GROUP BY statement above is the display window parameter, which determines the final display range is [2017-11-01T00:00:00, 2017-11-07T23:00:00).</p> <p>The second parameter of th [...]
| Time|count(root.ln.wf01.wt01.status)|max_value(root.ln.wf01.wt01.temperature)|
+-----------------------------+-------------------------------+----------------------------------------+
@@ -268,7 +409,7 @@ and value filtering conditions specified.</p> <center><img src="https://user-ima
+-----------------------------+-------------------------------+----------------------------------------+
Total line number = 7
It costs 0.024s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user specifies the sliding step parameter as 1d, the GROUP BY statement will move the time interval <code>1 day</code> long instead of <code>3 hours</code> as default.</p> <p>That means we want to fetch all the data of 00:00:00 to 02:59:59 every day from 2017-11-01 to 2017-11-07.</p> <p>The first parameter of the GROUP BY statement above is the display window [...]
| Time|count(root.ln.wf01.wt01.status)|max_value(root.ln.wf01.wt01.temperature)|
+-----------------------------+-------------------------------+----------------------------------------+
@@ -282,7 +423,7 @@ It costs 0.024s
+-----------------------------+-------------------------------+----------------------------------------+
Total line number = 7
It costs 0.006s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user specifies the sliding step parameter as <code>2mo</code>, the GROUP BY statement will move the time interval <code>2 months</code> long instead of <code>1 month</code> as default.</p> <p>The first parameter of the GROUP BY statement above is the display window parameter, which determines the final display range is [2017-11-01T00:00:00, 2019-11-07T23:00:0 [...]
| Time|count(root.ln.wf01.wt01.status)|
+-----------------------------+-------------------------------+
@@ -300,7 +441,7 @@ It costs 0.006s
|2019-09-01T00:00:00.000+08:00| 181|
|2019-11-01T00:00:00.000+08:00| 60|
+-----------------------------+-------------------------------+
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user specifies the sliding step parameter as <code>2mo</code>, the GROUP BY statement will move the time interval <code>2 months</code> long instead of <code>1 month</code> as default.</p> <p>The first parameter of the GROUP BY statement above is the display window parameter, which determines the final display range is [2017-10-31T00:00:00, 2019-11-07T23:00:0 [...]
| Time|count(root.ln.wf01.wt01.status)|
+-----------------------------+-------------------------------+
@@ -318,7 +459,7 @@ It costs 0.006s
|2019-08-31T00:00:00.000+08:00| 181|
|2019-10-31T00:00:00.000+08:00| 69|
+-----------------------------+-------------------------------+
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In this sql, the time interval is left open and right close, so we won't include the value of timestamp 2017-11-01T00:00:00 and instead we will include the value of timestamp 2017-11-07T23:00:00.</p> <p>We will get the result like following:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------------+
| Time|count(root.ln.wf01.wt01.status)|
+-----------------------------+-------------------------------+
@@ -332,143 +473,266 @@ It costs 0.006s
+-----------------------------+-------------------------------+
Total line number = 7
It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------+
-| Time|COUNT(root.ln.*.*.status)|
-+-----------------------------+-------------------------+
-|2017-11-02T00:00:00.000+08:00| 1440|
-|2017-11-03T00:00:00.000+08:00| 1440|
-|2017-11-04T00:00:00.000+08:00| 1440|
-|2017-11-05T00:00:00.000+08:00| 1440|
-|2017-11-06T00:00:00.000+08:00| 1440|
-|2017-11-07T00:00:00.000+08:00| 1440|
-|2017-11-07T23:00:00.000+08:00| 1380|
-+-----------------------------+-------------------------+
-Total line number = 7
-It costs 0.006s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------+
-| Time|COUNT(root.ln.*.*.status)|
-+-----------------------------+-------------------------+
-|2017-11-01T00:00:00.000+08:00| 180|
-|2017-11-02T00:00:00.000+08:00| 180|
-|2017-11-03T00:00:00.000+08:00| 180|
-|2017-11-04T00:00:00.000+08:00| 180|
-|2017-11-05T00:00:00.000+08:00| 180|
-|2017-11-06T00:00:00.000+08:00| 180|
-|2017-11-07T00:00:00.000+08:00| 180|
-+-----------------------------+-------------------------+
-Total line number = 7
-It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+-----------------------------+-----------------------------+
| Time|root.ln.wf01.wt01.temperature|
+-----------------------------+-----------------------------+
-|2017-11-07T23:50:00.000+08:00| 23.7|
+|2017-11-07T23:49:00.000+08:00| 23.7|
|2017-11-07T23:51:00.000+08:00| 22.24|
-|2017-11-07T23:52:00.000+08:00| 20.18|
|2017-11-07T23:53:00.000+08:00| 24.58|
|2017-11-07T23:54:00.000+08:00| 22.52|
-|2017-11-07T23:55:00.000+08:00| 25.9|
-|2017-11-07T23:56:00.000+08:00| 24.44|
|2017-11-07T23:57:00.000+08:00| 24.39|
-|2017-11-07T23:58:00.000+08:00| 22.93|
-|2017-11-07T23:59:00.000+08:00| 21.07|
+|2017-11-08T00:00:00.000+08:00| 21.07|
+-----------------------------+-----------------------------+
-Total line number = 10
-It costs 0.002s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-08T00:01:00),1m) FILL (float[PREVIOUS]);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-----------------------------------------+
+Total line number = 6
+It costs 0.010s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">SELECT</span> last_value<span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token keyword">GROUP</span> <span class="token keyword">BY</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="to [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL (PREVIOUSUNTILLAST);
++-----------------------------+-----------------------------------------+
+| Time|last_value(root.ln.wf01.wt01.temperature)|
++-----------------------------+-----------------------------------------+
+|2017-11-07T23:50:00.000+08:00| null|
+|2017-11-07T23:51:00.000+08:00| 22.24|
+|2017-11-07T23:52:00.000+08:00| 22.24|
+|2017-11-07T23:53:00.000+08:00| 24.58|
+|2017-11-07T23:54:00.000+08:00| 22.52|
+|2017-11-07T23:55:00.000+08:00| 22.52|
+|2017-11-07T23:56:00.000+08:00| 22.52|
+|2017-11-07T23:57:00.000+08:00| 24.39|
+|2017-11-07T23:58:00.000+08:00| null|
++-----------------------------+-----------------------------------------+
+Total line number = 9
+It costs 0.007s
+
+IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL (PREVIOUS);
++-----------------------------+-----------------------------------------+
+| Time|last_value(root.ln.wf01.wt01.temperature)|
++-----------------------------+-----------------------------------------+
+|2017-11-07T23:50:00.000+08:00| null|
+|2017-11-07T23:51:00.000+08:00| 22.24|
+|2017-11-07T23:52:00.000+08:00| 22.24|
+|2017-11-07T23:53:00.000+08:00| 24.58|
+|2017-11-07T23:54:00.000+08:00| 22.52|
+|2017-11-07T23:55:00.000+08:00| 22.52|
+|2017-11-07T23:56:00.000+08:00| 22.52|
+|2017-11-07T23:57:00.000+08:00| 24.39|
+|2017-11-07T23:58:00.000+08:00| 24.39|
++-----------------------------+-----------------------------------------+
+Total line number = 9
+It costs 0.006s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL (PREVIOUS, 1m);
++-----------------------------+-----------------------------------------+
| Time|last_value(root.ln.wf01.wt01.temperature)|
+-----------------------------+-----------------------------------------+
|2017-11-07T23:50:00.000+08:00| 23.7|
|2017-11-07T23:51:00.000+08:00| 22.24|
-|2017-11-07T23:52:00.000+08:00| 20.18|
+|2017-11-07T23:52:00.000+08:00| 22.24|
|2017-11-07T23:53:00.000+08:00| 24.58|
|2017-11-07T23:54:00.000+08:00| 22.52|
-|2017-11-07T23:55:00.000+08:00| 25.9|
-|2017-11-07T23:56:00.000+08:00| 24.44|
+|2017-11-07T23:55:00.000+08:00| 22.52|
+|2017-11-07T23:56:00.000+08:00| null|
|2017-11-07T23:57:00.000+08:00| 24.39|
-|2017-11-07T23:58:00.000+08:00| 22.93|
-|2017-11-07T23:59:00.000+08:00| 21.07|
-|2017-11-08T00:00:00.000+08:00| null|
+|2017-11-07T23:58:00.000+08:00| 24.39|
+-----------------------------+-----------------------------------------+
-Total line number = 11
+Total line number = 9
It costs 0.005s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>result：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL (LINEAR, 5m, 5m);
++-----------------------------+-----------------------------------------+
+| Time|last_value(root.ln.wf01.wt01.temperature)|
++-----------------------------+-----------------------------------------+
+|2017-11-07T23:50:00.000+08:00| 22.970001|
+|2017-11-07T23:51:00.000+08:00| 22.24|
+|2017-11-07T23:52:00.000+08:00| 23.41|
+|2017-11-07T23:53:00.000+08:00| 24.58|
+|2017-11-07T23:54:00.000+08:00| 22.52|
+|2017-11-07T23:55:00.000+08:00| 23.143333|
+|2017-11-07T23:56:00.000+08:00| 23.766666|
+|2017-11-07T23:57:00.000+08:00| 24.39|
+|2017-11-07T23:58:00.000+08:00| 23.283333|
++-----------------------------+-----------------------------------------+
+Total line number = 9
+It costs 0.008s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">SELECT</span> last_value<span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token keyword">GROUP</span> <span class="token keyword">BY</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="to [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL (20.0);
++-----------------------------+-----------------------------------------+
+| Time|last_value(root.ln.wf01.wt01.temperature)|
++-----------------------------+-----------------------------------------+
+|2017-11-07T23:50:00.000+08:00| 20.0|
+|2017-11-07T23:51:00.000+08:00| 22.24|
+|2017-11-07T23:52:00.000+08:00| 20.0|
+|2017-11-07T23:53:00.000+08:00| 24.58|
+|2017-11-07T23:54:00.000+08:00| 22.52|
+|2017-11-07T23:55:00.000+08:00| 20.0|
+|2017-11-07T23:56:00.000+08:00| 20.0|
+|2017-11-07T23:57:00.000+08:00| 24.39|
+|2017-11-07T23:58:00.000+08:00| 20.0|
++-----------------------------+-----------------------------------------+
+Total line number = 9
+It costs 0.007s
+IoTDB> SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([2017-11-07T23:50:00, 2017-11-07T23:59:00),1m) FILL ('temperature');
+-----------------------------+-----------------------------------------+
| Time|last_value(root.ln.wf01.wt01.temperature)|
+-----------------------------+-----------------------------------------+
-|2017-11-07T23:50:00.000+08:00| 23.7|
+|2017-11-07T23:50:00.000+08:00| null|
|2017-11-07T23:51:00.000+08:00| 22.24|
-|2017-11-07T23:52:00.000+08:00| 20.18|
+|2017-11-07T23:52:00.000+08:00| null|
|2017-11-07T23:53:00.000+08:00| 24.58|
|2017-11-07T23:54:00.000+08:00| 22.52|
-|2017-11-07T23:55:00.000+08:00| 25.9|
-|2017-11-07T23:56:00.000+08:00| 24.44|
+|2017-11-07T23:55:00.000+08:00| null|
+|2017-11-07T23:56:00.000+08:00| null|
|2017-11-07T23:57:00.000+08:00| 24.39|
-|2017-11-07T23:58:00.000+08:00| 22.93|
-|2017-11-07T23:59:00.000+08:00| 21.07|
-|2017-11-08T00:00:00.000+08:00| 21.07|
+|2017-11-07T23:58:00.000+08:00| null|
+-----------------------------+-----------------------------------------+
-Total line number = 11
+Total line number = 9
+It costs 0.005s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------+
+| Time|COUNT(root.ln.*.*.status)|
++-----------------------------+-------------------------+
+|2017-11-02T00:00:00.000+08:00| 1440|
+|2017-11-03T00:00:00.000+08:00| 1440|
+|2017-11-04T00:00:00.000+08:00| 1440|
+|2017-11-05T00:00:00.000+08:00| 1440|
+|2017-11-06T00:00:00.000+08:00| 1440|
+|2017-11-07T00:00:00.000+08:00| 1440|
+|2017-11-07T23:00:00.000+08:00| 1380|
++-----------------------------+-------------------------+
+Total line number = 7
It costs 0.006s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means: Query and return the last data points of timeseries prefixPath.path.</p> <p>Only time filter with '>' or '>=' is supported in <WhereClause>. Any other filters given in the <WhereClause> will give an exception.</p> <p>The result will be returned in a three column table format.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>| Tim [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Example 1: get the last point of root.ln.wf01.wt01.status:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> select last status from root.ln.wf01.wt01
-+-----------------------------+------------------------+-----+
-| Time| timeseries|value|
-+-----------------------------+------------------------+-----+
-|2017-11-07T23:59:00.000+08:00|root.ln.wf01.wt01.status|false|
-+-----------------------------+------------------------+-----+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------+
+| Time|COUNT(root.ln.*.*.status)|
++-----------------------------+-------------------------+
+|2017-11-01T00:00:00.000+08:00| 180|
+|2017-11-02T00:00:00.000+08:00| 180|
+|2017-11-03T00:00:00.000+08:00| 180|
+|2017-11-04T00:00:00.000+08:00| 180|
+|2017-11-05T00:00:00.000+08:00| 180|
+|2017-11-06T00:00:00.000+08:00| 180|
+|2017-11-07T00:00:00.000+08:00| 180|
++-----------------------------+-------------------------+
+Total line number = 7
+It costs 0.004s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+ sin<span class="token punctuation">(</span><span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">,</span>
+ <span class="token operator">-</span><span class="token function">sum</span><span class="token punctuation">(</span>hardware<span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token function">sum</span><span class="token punctuation">(</span>hardware<span class="token punctuation">)</span>
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----------------------------------+---------------------------------------+--------------------------------------+ [...]
+|avg(root.ln.wf01.wt01.temperature)|sin(avg(root.ln.wf01.wt01.temperature))|avg(root.ln.wf01.wt01.temperature) + 1|-sum(root.ln.wf01.wt01.hardware)|avg(root.ln.wf01.wt01.temperature) + sum(root.ln.wf01.wt01.hardware)|
++----------------------------------+---------------------------------------+--------------------------------------+--------------------------------+--------------------------------------------------------------------+
+| 15.927999999999999| -0.21826546964855045| 16.927999999999997| -7426.0| 7441.928|
++----------------------------------+---------------------------------------+--------------------------------------+--------------------------------+--------------------------------------------------------------------+
+Total line number = 1
+It costs 0.009s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Input:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token function">count [...]
+ <span class="token function">count</span><span class="token punctuation">(</span>b<span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token function">count</span><span class="token punctuation">(</span>a<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token number">2</span> <span class="token operator">-</span> <span class="token number">1</span><span class="token pu [...]
+ <span class="token operator">-</span><span class="token punctuation">(</span><span class="token function">count</span><span class="token punctuation">(</span>a<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token function">count</span><span class="token punctuation">(</span>b<span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token operator">*</span> <span class="token punctuation">(</span><span [...]
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----------------+----------------+----------------------------------------------+----------------------------------------------------------------------- [...]
+|count(root.sg.a)|count(root.sg.b)|((((count(root.sg.a) + 1) * 2) - 1) % 2) + 1.5|(-count(root.sg.a) + count(root.sg.b) * (count(root.sg.a) * count(root.sg.b))) + (count(root.sg.a) / count(root.sg.b))|
++----------------+----------------+----------------------------------------------+----------------------------------------------------------------------------------------------------------------------+
+| 4| 3| 2.5| -82.66666666666667|
++----------------+----------------+----------------------------------------------+----------------------------------------------------------------------------------------------------------------------+
+Total line number = 1
+It costs 0.013s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ol start="2"><li>Aggregation with <code>GROUP BY</code>.</li></ol> <p>Input:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span cl [...]
+ sin<span class="token punctuation">(</span><span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">,</span>
+ <span class="token operator">-</span><span class="token function">sum</span><span class="token punctuation">(</span>hardware<span class="token punctuation">)</span><span class="token punctuation">,</span>
+ <span class="token function">avg</span><span class="token punctuation">(</span>temperature<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token function">sum</span><span class="token punctuation">(</span>hardware<span class="token punctuation">)</span> <span class="token keyword">as</span> custom_sum
+<span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01
+<span class="token keyword">GROUP</span> <span class="token keyword">BY</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token number">10</span><span class="token punctuation">,</span> <span class="token number">90</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">10</span>ms<span class="token punctuation">)</span><span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Result:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+----------------------------------+----------- [...]
+| Time|avg(root.ln.wf01.wt01.temperature)|sin(avg(root.ln.wf01.wt01.temperature))|avg(root.ln.wf01.wt01.temperature) + 1|-sum(root.ln.wf01.wt01.hardware)|custom_sum|
++-----------------------------+----------------------------------+---------------------------------------+--------------------------------------+--------------------------------+----------+
+|1970-01-01T08:00:00.010+08:00| 13.987499999999999| 0.9888207947857667| 14.987499999999999| -3211.0| 3224.9875|
+|1970-01-01T08:00:00.020+08:00| 29.6| -0.9701057337071853| 30.6| -3720.0| 3749.6|
+|1970-01-01T08:00:00.030+08:00| null| null| null| null| null|
+|1970-01-01T08:00:00.040+08:00| null| null| null| null| null|
+|1970-01-01T08:00:00.050+08:00| null| null| null| null| null|
+|1970-01-01T08:00:00.060+08:00| null| null| null| null| null|
+|1970-01-01T08:00:00.070+08:00| null| null| null| null| null|
+|1970-01-01T08:00:00.080+08:00| null| null| null| null| null|
++-----------------------------+----------------------------------+---------------------------------------+--------------------------------------+--------------------------------+----------+
+Total line number = 8
+It costs 0.012s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token keyword">SELECT</span> <span class="token function">avg</span><span class="token punctuation">(</span>s1<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token function">avg</span><span class="token punctuation">(</span>s2<span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span><span class="token operator">*</span> <spa [...]
+<span class="token keyword">SELECT</span> <span class="token function">avg</span><span class="token punctuation">(</span>s1<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token function">avg</span><span class="token punctuation">(</span>s2<span class="token punctuation">)</span> <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>sg<span class="token punctuation">.</span>d1 <span class="token keyword">GROUP</span [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div></blockquote> <h3 id="last-point-query"><a href="#last-point-query" class="header-anchor">#</a> Last point Query</h3> <p>In scenarios when IoT devices updates data in a fast manner, users are more interested in the most recent point of IoT devices.</p> <p>The Last point query is to return the most recent data point o [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means: Query and return the last data points of timeseries prefixPath.path.</p> <p>Only time filter with '>' or '>=' is supported in <WhereClause>. Any other filters given in the <WhereClause> will give an exception.</p> <p>The result will be returned in a four column table format.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>| Time [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>Note:</strong> The <code>value</code> colum will always return the value as <code>string</code> and thus also has <code>TSDataType.TEXT</code>. Therefore the colum <code>dataType</code> is returned also which contains the <em>real</em> type how the value should be interpreted.</p> <p>Example 1: get the last point of root.ln.wf01.wt01.status:</p> <div class="language- line-numbers- [...]
++-----------------------------+------------------------+-----+--------+
+| Time| timeseries|value|dataType|
++-----------------------------+------------------------+-----+--------+
+|2017-11-07T23:59:00.000+08:00|root.ln.wf01.wt01.status|false| BOOLEAN|
++-----------------------------+------------------------+-----+--------+
Total line number = 1
It costs 0.000s
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>Example 2: get the last status and temperature points of root.ln.wf01.wt01,
whose timestamp larger or equal to 2017-11-07T23:50:00。</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> select last status, temperature from root.ln.wf01.wt01 where time >= 2017-11-07T23:50:00
-+-----------------------------+-----------------------------+---------+
-| Time| timeseries| value|
-+-----------------------------+-----------------------------+---------+
-|2017-11-07T23:59:00.000+08:00| root.ln.wf01.wt01.status| false|
-|2017-11-07T23:59:00.000+08:00|root.ln.wf01.wt01.temperature|21.067368|
-+-----------------------------+-----------------------------+---------+
++-----------------------------+-----------------------------+---------+--------+
+| Time| timeseries| value|dataType|
++-----------------------------+-----------------------------+---------+--------+
+|2017-11-07T23:59:00.000+08:00| root.ln.wf01.wt01.status| false| BOOLEAN|
+|2017-11-07T23:59:00.000+08:00|root.ln.wf01.wt01.temperature|21.067368| DOUBLE|
++-----------------------------+-----------------------------+---------+--------+
Total line number = 2
It costs 0.002s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="automated-fill"><a href="#automated-fill" class="header-anchor">#</a> Automated Fi [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-4.</p> <center>**Table 3-4 Previous fill paramter list**
-<table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mandatory field</td></tr> <tr><td style="text-align:left;">T</td> <td style="text-align:left;">query timestamp (only one can be specified); mandatory field</td></tr> <tr><td style="text-align:left;">data_type</td> <td style="text-align:left; [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) for fill and display.</p> <p>On the <a href="https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt" tar [...]
-| Time|root.sgcc.wf03.wt01.temperature|
-+-----------------------------+-------------------------------+
-|2017-11-01T16:37:50.000+08:00| 21.93|
-+-----------------------------+-------------------------------+
-Total line number = 1
-It costs 0.016s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>It is worth noting that if there is no value in the specified valid time range, the system will not fill the null value, as shown below:</p> <div class="language- [...]
-+-----------------------------+-------------------------------+
-| Time|root.sgcc.wf03.wt01.temperature|
-+-----------------------------+-------------------------------+
-|2017-11-01T16:37:50.000+08:00| null|
-+-----------------------------+-------------------------------+
-Total line number = 1
-It costs 0.004s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Linear Method</li></ul> <p>When the value of the queried timestamp is null, the value of the previous and the next times [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-5.</p> <center>**Table 3-5 Linear fill paramter list**
-<table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mandatory field</td></tr> <tr><td style="text-align:left;">T</td> <td style="text-align:left;">query timestamp (only one can be specified); mandatory field</td></tr> <tr><td style="text-align:left;">data_type</td> <td style="text-align:left; [...]
-Otherwise, if there is no valid fill value in either range [T-before_range，T] or [T, T + after_range], linear fill method will return null.</p> <p>Here we give an example of filling null values using the linear method. The SQL statement is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select temperature from root.sgcc.wf03.wt01 where time = 2017-11-01T16:37:50.000 fill(float [linear, 1m, 1m])
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) and its value 21.927326, the next timestamp 2017-11-01T16:38:00.000 (and the timestamp is in the [2017-11-01T16:37:50.000, 20 [...]
-| Time|root.sgcc.wf03.wt01.temperature|
-+-----------------------------+-------------------------------+
-|2017-11-01T16:37:50.000+08:00| 24.746666|
-+-----------------------------+-------------------------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="fuzzy-query"><a href="#fuzzy-query" class="header-anchor">#</a> Fuzzy query</h3> < [...]
+The percentage (<code>%</code>) wildcard matches any string of zero or more characters.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> select * from root.sg.device where value like '%cc%'
++-----------------------------+--------------------+
+| Time|root.sg.device.value|
++-----------------------------+--------------------+
+|2017-11-07T23:59:00.000+08:00| aabbccdd|
+|2017-11-07T23:59:00.000+08:00| cc|
++-----------------------------+--------------------+
+Total line number = 2
+It costs 0.002s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>Example 2: Query data that consists of 3 characters and the second character is <code>' [...]
+The underscore (<code>_</code>) wildcard matches any single character.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> select * from root.sg.device where value like '_b_'
++-----------------------------+--------------------+
+| Time|root.sg.device.value|
++-----------------------------+--------------------+
+|2017-11-07T23:59:00.000+08:00| abc|
++-----------------------------+--------------------+
Total line number = 1
-It costs 0.017s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h4 id="correspondence-between-data-type-and-fill-method"><a href="#correspondence-between-data-type-and-fill-method" class="header-anchor">#</a> Correspondence betwe [...]
-<table><thead><tr><th style="text-align:left;">Data Type</th> <th style="text-align:left;">Supported Fill Methods</th></tr></thead> <tbody><tr><td style="text-align:left;">boolean</td> <td style="text-align:left;">previous</td></tr> <tr><td style="text-align:left;">int32</td> <td style="text-align:left;">previous, linear</td></tr> <tr><td style="text-align:left;">int64</td> <td style="text-align:left;">previous, linear</td></tr> <tr><td style="text-align:left;">float</td> <td style="text [...]
-<table><thead><tr><th style="text-align:left;">Data Type</th> <th style="text-align:left;">Default Fill Methods and Parameters</th></tr></thead> <tbody><tr><td style="text-align:left;">boolean</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">int32</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">int64</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">float [...]
+It costs 0.002s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>Regexp statement：</p> <p>The filter conditions that need to be passed in are regular expressions in the Java standard library [...]
++-----------------------------+--------------------+
+| Time|root.sg.device.value|
++-----------------------------+--------------------+
+|2017-11-07T23:59:00.000+08:00| aabbccdd|
+|2017-11-07T23:59:00.000+08:00| cc|
++-----------------------------+--------------------+
+Total line number = 2
+It costs 0.002s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>Example 2: Query root.sg.device where the value value is a string composed of 26 lowerc [...]
++-----------------------------+--------------------+
+| Time|root.sg.device.value|
++-----------------------------+--------------------+
+|2017-11-07T23:59:00.000+08:00| aabbccdd|
+|2017-11-07T23:59:00.000+08:00| cc|
++-----------------------------+--------------------+
+Total line number = 2
+It costs 0.002s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>Examples of common regular matching:</p> <div class="language- line-numbers-mode"><pre [...]
+Uppercase english characters: ^[A-Z]+$
+Numbers and English characters: ^[A-Za-z0-9]+$
+Beginning with a: ^a.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>For more syntax description, please read <a href="/UserGuide/Master/Appendix/SQL-Reference.html">SQL Reference</a>.</p> <h3 id="alias"><a href="#alias" class="header-anchor">#</a> Alias</h3> <p>Since the unique data model of IoTDB, lots of additional information like device wi [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result set is：</p> <table><thead><tr><th>Time</th> <th>temperature</th> <th>speed</th></tr></thead> <tbody><tr><td>...</td> <td>...</td> <td>...</td></tr></tbody></table> <h3 id="row-and-column-control-over-query-results"><a href="#row-and-column-control-over-query-results" class="header-anchor">#</a> Row and Column Control over Query Results</h3> <p>IoTDB provides <a href="/UserGuide [...]
clause in order to make users have more control over query results.
The use of LIMIT and SLIMIT clauses allows users to control the number of rows and columns of query results,
-and the use of OFFSET and SOFSET clauses allows users to set the starting position of the results for display.</p> <p>Note that the LIMIT and OFFSET are not supported in group by query.</p> <p>This chapter mainly introduces related examples of row and column control of query results. You can also use the <a href="/UserGuide/Master/API/Programming-JDBC.html">Java JDBC</a> standard interface to execute queries.</p> <h4 id="row-control-over-query-results"><a href="#row-control-over-query-re [...]
+and the use of OFFSET and SOFSET clauses allows users to set the starting position of the results for display.</p> <p>Note that the LIMIT and OFFSET are not supported in group by query.</p> <p>This chapter mainly introduces related examples of row and column control of query results. You can also use the <a href="/UserGuide/Master/API/Programming-JDBC.html">Java JDBC</a> standard interface to execute queries.</p> <h4 id="row-control-over-query-results"><a href="#row-control-over-query-re [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is "status" and "temperature". The SQL statement requires the first 10 rows of the query result.</p> <p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+------------------------+------ [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
+-----------------------------+------------------------+-----------------------------+
@@ -485,7 +749,7 @@ and the use of OFFSET and SOFSET clauses allows users to set the starting positi
+-----------------------------+------------------------+-----------------------------+
Total line number = 10
It costs 0.000s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is "status" and "temperature". The SQL statement requires rows 3 to 7 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------- [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
+-----------------------------+------------------------+-----------------------------+
@@ -497,7 +761,7 @@ It costs 0.000s
+-----------------------------+------------------------+-----------------------------+
Total line number = 5
It costs 0.342s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><ul><li>Exam [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><ul><li>Exam [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is "status" and "temperature". The SQL statement requires rows 3 to 4 of the status and temperature sensor values between the time point of "2017-11-01T00:05:00.000" and "2017-11-01T00:12:00.000" (with the first row numbered as row 0).</p> <p>The res [...]
| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
+-----------------------------+------------------------+-----------------------------+
@@ -509,7 +773,7 @@ It costs 0.342s
+-----------------------------+------------------------+-----------------------------+
Total line number = 5
It costs 0.000s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><ul><li>Exam [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><ul><li>Exam [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The SQL statement clause requires rows 3 to 7 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-------------------------------+----------------------------------------+
| Time|count(root.ln.wf01.wt01.status)|max_value(root.ln.wf01.wt01.temperature)|
+-----------------------------+-------------------------------+----------------------------------------+
@@ -520,9 +784,9 @@ It costs 0.000s
+-----------------------------+-------------------------------+----------------------------------------+
Total line number = 4
It costs 0.016s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>It is worth noting that because the current FILL [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 401: line 1:107 mismatched input 'limit' expecting {<EOF>, SLIMIT, SOFFSET, GROUP, DISABLE, ALIGN}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="column-control-over-query-results"><a href="#column-control-over-query-results" class="header-anchor">#</a> Column Control over Query Results</h4> <p>By using SLIMIT and SOFFSET clauses, users can control the query results in a column-related manner. We will demonstrate how to use SLIMIT and SOFFSET clauses through the following examples.</p> <ul><li>Example 1: basic SLIMIT clause</l [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>It is worth noting that because the current FILL [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 401: line 1:107 mismatched input 'limit' expecting {<EOF>, ';'}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="column-control-over-query-results"><a href="#column-control-over-query-results" class="header-anchor">#</a> Column Control over Query Results</h4> <p>By using SLIMIT and SOFFSET clauses, users can control the query results in a column-related manner. We will demonstrate how to use SLIMIT and SOFFSET clauses through the following examples.</p> <ul><li>Example 1: basic SLIMIT clause</l [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the first column under this device, i.e., the power supply status. The SQL statement requires the status sensor values between the time point of "2017-11-01T00:05:00.000" and "2017-11-01T00:12:00.000" be selected.</p> <p>The result is shown below:</p> <div class="lang [...]
| Time|root.ln.wf01.wt01.temperature|
+-----------------------------+-----------------------------+
@@ -535,7 +799,7 @@ It costs 0.016s
+-----------------------------+-----------------------------+
Total line number = 6
It costs 0.000s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the second column under this device, i.e., the temperature. The SQL statement requires the temperature sensor values between the time point of "2017-11-01T00:05:00.000" and "2017-11-01T00:12:00.000" be selected.</p> <p>The result is shown below:</p> <div class="langua [...]
| Time|root.ln.wf01.wt01.status|
+-----------------------------+------------------------+
@@ -548,7 +812,7 @@ It costs 0.000s
+-----------------------------+------------------------+
Total line number = 6
It costs 0.003s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-----------------------------------+
| Time|max_value(root.ln.wf01.wt01.status)|
+-----------------------------+-----------------------------------+
@@ -562,7 +826,7 @@ It costs 0.003s
+-----------------------------+-----------------------------------+
Total line number = 7
It costs 0.000s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the second column under this device, i.e., the temperature.</p> <p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------------+
| Time|root.sgcc.wf03.wt01.status|
+-----------------------------+--------------------------+
@@ -570,7 +834,7 @@ It costs 0.000s
+-----------------------------+--------------------------+
Total line number = 1
It costs 0.007s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h4 id="row-and-column-control-over-query-results-2"><a href="#row-and-column-control-over-query-results-2" class="header-anchor">#</a> Row and Column Control over Qu [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h4 id="row-and-column-control-over-query-results-2"><a href="#row-and-column-control-over-query-results-2" class="header-anchor">#</a> Row and Column Control over Qu [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is columns 0 to 1 under this device (with the first column numbered as column 0). The SQL statement clause requires rows 100 to 109 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre cla [...]
| Time|root.ln.wf01.wt01.temperature|root.ln.wf01.wt01.status|
+-----------------------------+-----------------------------+------------------------+
@@ -587,10 +851,35 @@ It costs 0.007s
+-----------------------------+-----------------------------+------------------------+
Total line number = 10
It costs 0.009s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>In group by query, we will fill null for any group by interval if the columns don't have values in that group by interval. However, if all columns in that group by interval are null, maybe users don't need that RowRecord, so we can use <code>WITHOUT NULL ALL</code> to filter that row.</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>select * from ro [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="use-alias"><a href="#use-alias" class="header-anchor">#</a> Use Alias</h3> <p>Since the unique data model of IoTDB, lots of additional information like device will be carried before each sensor. Sometimes, we want to query just one specific device, then these prefix information show frequently will be redundant in this situation, influencing the analysis of result set. At this time, [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result set is：</p> <table><thead><tr><th>Time</th> <th>temperature</th> <th>speed</th></tr></thead> <tbody><tr><td>...</td> <td>...</td> <td>...</td></tr></tbody></table> <h4 id="other-resultset-format"><a href="#other-resultset-format" class="header-anchor">#</a> Other ResultSet Format</h4> <p>In addition, IoTDB supports two other results set format: 'align by device' and 'disable al [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+------------------------+-----------------------------+
+| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
++-----------------------------+------------------------+-----------------------------+
+|2017-11-01T00:06:00.000+08:00| false| 20.71|
+|2017-11-01T00:07:00.000+08:00| false| 21.45|
+|2017-11-01T00:08:00.000+08:00| false| 22.58|
+|2017-11-01T00:09:00.000+08:00| false| 20.98|
+|2017-11-01T00:10:00.000+08:00| true| 25.52|
+|2017-11-01T00:11:00.000+08:00| false| 22.91|
++-----------------------------+------------------------+-----------------------------+
+Total line number = 6
+It costs 0.005s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 303: check metadata error: Out of range. LIMIT <N>: N should be Int32.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the parameter N/SN of LIMIT/SLIMIT clause is not a positive intege, the system prompts errors. For example, executing the following SQL statement:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token keyword">status</span><span class="token punctuation">,</span>temperature <span class="token keyword [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 401: line 1:129 mismatched input '.' expecting {<EOF>, ';'}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the parameter OFFSET of LIMIT clause exceeds the size of the result set, IoTDB will return an empty result set. For example, executing the following SQL statement:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">select</span> <span class="token keyword">status</span><span class="token punctuation">,</span>temperature <span cla [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----+------------------------+-----------------------------+
+|Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
++----+------------------------+-----------------------------+
++----+------------------------+-----------------------------+
+Empty set.
+It costs 0.005s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>If the parameter SOFFSET of SLIMIT clause is not smaller than the number of available timeseries, the system prompts errors. For example, executing the following SQL statement:</p> <div class="language [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 411: Meet error in query process: The value of SOFFSET (2) is equal to or exceeds the number of sequences (2) that can actually be returned.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="null-value-control-over-query-results"><a href="#null-value-control-over-query-results" class="header-anchor">#</a> Null Value Control over Query Results</h3> <ul><li>IoTDB will join all the sensor value by its time, and if some sensors don't have values in that timestamp, we will fill it with null. In some analysis scenarios, we only need the row if all the columns of it have value. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>In group by query, we will fill null for any group by interval if the columns don't have values in that group by interval. However, if all columns in that group by interval are null, maybe users don't need that RowRecord, so we can use <code>WITHOUT NULL ALL</code> to filter that row.</li></ul> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="t [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="other-resultset-formats"><a href="#other-resultset-formats" class="header-anchor">#</a> Other ResultSet Formats</h3> <p>In addition, IoTDB supports two other results set format: 'align by device' and 'disable align'.</p> <h4 id="align-by-device"><a href="#align-by-device" class="header-anchor">#</a> align by device</h4> <p>The 'align by device' indicates that the deviceId is consider [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result shows below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-----------------+-----------+------+--------+
| Time| Device|temperature|status|hardware|
+-----------------------------+-----------------+-----------+------+--------+
@@ -603,7 +892,7 @@ It costs 0.009s
+-----------------------------+-----------------+-----------+------+--------+
Total line number = 6
It costs 0.012s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result shows below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+--------------------------+-----------------------------+------------------------+-----------------------------+-----------------------------+-----------------------------+------------------------+
| Time|root.ln.wf02.wt02.hardware| Time|root.ln.wf02.wt02.status| Time|root.ln.wf01.wt01.temperature| Time|root.ln.wf01.wt01.status|
+-----------------------------+--------------------------+-----------------------------+------------------------+-----------------------------+-----------------------------+-----------------------------+------------------------+
@@ -614,50 +903,24 @@ It costs 0.012s
+-----------------------------+--------------------------+-----------------------------+------------------------+-----------------------------+-----------------------------+-----------------------------+------------------------+
Total line number = 4
It costs 0.018s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>For more syntax description, please read <a href [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+------------------------+-----------------------------+
-| Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
-+-----------------------------+------------------------+-----------------------------+
-|2017-11-01T00:06:00.000+08:00| false| 20.71|
-|2017-11-01T00:07:00.000+08:00| false| 21.45|
-|2017-11-01T00:08:00.000+08:00| false| 22.58|
-|2017-11-01T00:09:00.000+08:00| false| 20.98|
-|2017-11-01T00:10:00.000+08:00| true| 25.52|
-|2017-11-01T00:11:00.000+08:00| false| 22.91|
-+-----------------------------+------------------------+-----------------------------+
-Total line number = 6
-It costs 0.005s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 303: check metadata error: Out of range. LIMIT <N>: N should be Int32.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the parameter N/SN of LIMIT/SLIMIT clause is not a positive intege, the system prompts errors. For example, executing the following SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select status,temperature from root.ln.wf01.wt01 where time > 2017-11-01T00:05:00.000 and time < 2017-11-01T00:12:00.000 limit 13.1
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 401: line 1:129 mismatched input '.' expecting {<EOF>, SLIMIT, OFFSET, SOFFSET, GROUP, DISABLE, ALIGN}
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the parameter OFFSET of LIMIT clause exceeds the size of the result set, IoTDB will return an empty result set. For example, executing the following SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select status,temperature from root.ln.wf01.wt01 where time > 2017-11-01T00:05:00.000 and time < 2017-11-01T00:12:00.000 limit 2 offset 6
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+----+------------------------+-----------------------------+
-|Time|root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
-+----+------------------------+-----------------------------+
-+----+------------------------+-----------------------------+
-Empty set.
-It costs 0.005s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>If the parameter SOFFSET of SLIMIT clause is not smaller than the number of available timeseries, the system prompts errors. For example, executing the following SQL statement:</p> <div class="language [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 411: Meet error in query process: The value of SOFFSET (2) is equal to or exceeds the number of sequences (2) that can actually be returned.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="delete"><a href="#delete" class="header-anchor">#</a> DELETE</h2> <p>Users can delete data that meet the deletion condition in the specified timeseries by using the <a href="/UserGuide/Master/Appendix/SQL-Reference.html">DELETE statement</a>. When deleting data, users can select one or more timeseries paths, prefix paths, or paths with star to delete data within a certain time inter [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In case we hope to merely delete the data before 2017-11-01 16:26:00 in the year of 2017, The SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>delete from root.ln.wf02.wt02.status where time>=2017-01-01T00:00:00 and time<=2017-11-01T16:26:00;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>IoTDB supports to delete a range of timeseries points. Users can write SQL expressions as follows to specify the delete interval:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>delete from root.ln.wf02.wt02.status where time < 10
-delete from root.ln.wf02.wt02.status where time <= 10
-delete from root.ln.wf02.wt02.status where time < 20 and time > 10
-delete from root.ln.wf02.wt02.status where time <= 20 and time >= 10
-delete from root.ln.wf02.wt02.status where time > 20
-delete from root.ln.wf02.wt02.status where time >= 20
-delete from root.ln.wf02.wt02.status where time = 20
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>For more syntax description, please read <a href [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In case we hope to merely delete the data before 2017-11-01 16:26:00 in the year of 2017, The SQL statement is:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuat [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>IoTDB supports to delete a range of timeseries points. Users can write SQL expressions as follows to specify the delete interval:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span cla [...]
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator"><=</span> <span class="token number">10</span>
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator"><</span> <span class="token number">20</span> <span class="token operator">and</s [...]
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator"><=</span> <span class="token number">20</span> <span class="token operator">and</ [...]
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator">></span> <span class="token number">20</span>
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator">>=</span> <span class="token number">20</span>
+<span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">where</span> <span class="token keyword">time</span> <span class="token operator">=</span> <span class="token number">20</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Please pay attention that multiple intervals connected by "OR" expression are not supported in delete statement:</p> <div class="language- line-numbers-m [...]
Msg: 303: Check metadata error: For delete statement, where clause can only contain atomic
expressions like : time > XXX, time <= XXX, or two atomic expressions connected by 'AND'
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>If no "where" clause specified in a delete statement, all the data in a timeseries will be deleted.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>delete from root.ln.wf02.status
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="delete-multiple-timeseries"><a href="#delete-multiple-timeseries" class="header-anchor">#</a> Delete Multiple Timeseries</h3> <p>If both the power supply status and hardware version of the ln group wf02 plant wt02 device before 2017-11-01 16:26:00 need to be deleted, <a href="/UserGuide/Master/Data-Concept/Data-Model-and-Terminology.html">the prefix path with broader meaning or the p [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>or</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>delete from root.ln.wf02.wt02.* where time <= 2017-11-01T16:26:00;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>If no "where" clause specified in a delete statement, all the data in a timeseries will be deleted.</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="delete-multiple-timeseries"><a href="#delete-multiple-timeseries" class="header-anchor">#</a> Delete Multiple Timeseries</h3> <p>If both the power supply status and hardware version of the ln group wf02 plant wt02 device before 2017-11-01 16:26:00 need to be deleted, <a href="/UserGuide/Master/Data-Concept/Data-Model-and-Terminology.html">the prefix path with broader meaning or the p [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>or</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">delete</span> <span class="token keyword">from</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf02<span class="token punctuation">.</span>wt02<span class="token punctuation">.</span><span class="token operator">*</span> <span class="t [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>It should be noted that when the deleted path does not exist, IoTDB will not prompt that the path does not exist, but that the execution is successful, because SQL is a declarative programming method. Unless it is a syntax error, insufficient permissions and so on, it is not considered an error, as shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> [...]
-Msg: The statement is executed successfully.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="delete-time-partition-experimental"><a href="#delete-time-partition-experimental" class="header-anchor">#</a> Delete Time Partition (experimental)</h3> <p>You may delete all data in a time partition of a storage group using the following grammar:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE PARTITION root.ln 0,1,2
+Msg: TimeSeries does not exist and its data cannot be deleted
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="delete-time-partition-experimental"><a href="#delete-time-partition-experimental" class="header-anchor">#</a> Delete Time Partition (experimental)</h3> <p>You may delete all data in a time partition of a storage group using the following grammar:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token ke [...]
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The <code>0,1,2</code> above is the id of the partition that is to be deleted, you can find it from the IoTDB
data folders or convert a timestamp manually to an id using <code>timestamp / partitionInterval</code> (flooring), and the <code>partitionInterval</code> should be in your config (if time-partitioning is
supported in your version).</p> <p>Please notice that this function is experimental and mainly for development, please use it with care.</p></div> <div class="page-nav"><p class="inner"><span class="prev">
@@ -672,6 +935,6 @@ supported in your version).</p> <p>Please notice that this function is experimen
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index eceea0e..582c8dc 100644
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
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+ <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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@@ -54,30 +54,35 @@
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<!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/IoTDB-SQL-Language/Maintenance-Command.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGui [...]
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-IoTDB> FLUSH root.ln
-IoTDB> FLUSH root.sg1,root.sg2
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="merge"><a href="#merge" class="header-anchor">#</a> MERGE</h2> <p>Execute Level Compaction and unsequence Compaction task. Currently IoTDB supports the following two types of SQL to manually trigger the compaction process of data files:</p> <ul><li><code>MERGE</code> Execute the level compaction first and the [...]
-IoTDB> FULL MERGE
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="clear-cache"><a href="#clear-cache" class="header-anchor">#</a> CLEAR CACHE</h2> <p>Clear the cache of chunk, chunk metadata and timeseries metadata to release the memory footprint.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CLEAR CACHE
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="schema-snapshot"><a href="#schema-snapshot" class="header-anchor">#</a> SCHEMA SNAPSHOT</h2> <p>To speed up restarting of IoTDB, users can create snapshot of schema and avoid recovering schema from mlog file.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE SNAPSHOT FOR SCHEMA
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="timeout"><a href="#timeout" class="header-anchor">#</a> Timeout</h2> <p>IoTDB supports session and query level timeout.</p> <h3 id="session-timeout"><a href="#session-timeout" class="header-anchor">#</a> Session timeout</h3> <p>Session timeout controls when idle sessions are closed. An idle session is one that had not initiated any query or non-query operations for a period of time.< [...]
-Msg: 701 Current query is time out, please check your statement or modify timeout parameter.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The default timeout of a query is 60000 ms，which can be customized in the configuration file through the <code>query_timeout_threshold</code> parameter.</p> <p>If you use JDBC or Session, we also support setting a timeout for a single query（Unit: ms）：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>E.g. ((IoTDBStatement) [...]
-E.g. session.executeQueryStatement(String sql, long timeout)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>If the timeout parameter is not configured or with value 0, the default timeout time will be used.</p> <h3 id="query-abort"><a href="#query-abort" class="header-anchor">#</a> Query abort</h3> <p>In addition to waiting for the query to time out passively, IoTDB also supports stopping the query actively:</p> <div class="language- line-numbers-mode"><pre [...]
+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+and IoTDB will flush when appropriate.
+Frequently call flush can result in small data files that degrade query performance.</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB<span class="token operator">></span> FLUSH
+IoTDB<span class="token operator">></span> FLUSH root<span class="token punctuation">.</span>ln
+IoTDB<span class="token operator">></span> FLUSH root<span class="token punctuation">.</span>sg1<span class="token punctuation">,</span>root<span class="token punctuation">.</span>sg2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="merge"><a href="#merge" class="header-anchor">#</a> MERGE</h2> <p>Execute Level Compaction and unsequence Compaction task. Currently IoTDB supports the following two types of SQL to manually trigger the compaction process of data files:</p> <ul><li><code>MERGE</code> Execute the level compaction first and the [...]
+IoTDB<span class="token operator">></span> <span class="token keyword">FULL</span> <span class="token keyword">MERGE</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="clear-cache"><a href="#clear-cache" class="header-anchor">#</a> CLEAR CACHE</h2> <p>Clear the cache of chunk, chunk metadata and timeseries metadata to release the memory footprint.</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB<span class="token operator">></span> CLEAR CACHE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="set-ststem-to-readonly-writable"><a href="#set-ststem-to-readonly-writable" class="header-anchor">#</a> SET STSTEM TO READONLY / WRITABLE</h2> <p>Manually set IoTDB system to read-only or writable mode.</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB<span class="token operator">></span> <span class="token keyword">SET</span> SYSTEM <span class [...]
+IoTDB<span class="token operator">></span> <span class="token keyword">SET</span> SYSTEM <span class="token keyword">TO</span> WRITABLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="schema-snapshot"><a href="#schema-snapshot" class="header-anchor">#</a> SCHEMA SNAPSHOT</h2> <p>To speed up restarting of IoTDB, users can create snapshot of schema and avoid recovering schema from mlog file.</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>IoTDB<span class="token operator">></span> <span class=" [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="timeout"><a href="#timeout" class="header-anchor">#</a> Timeout</h2> <p>IoTDB supports session and query level timeout.</p> <h3 id="session-timeout"><a href="#session-timeout" class="header-anchor">#</a> Session timeout</h3> <p>Session timeout controls when idle sessions are closed. An idle session is one that had not initiated any query or non-query operations for a period of time.< [...]
+Msg: <span class="token number">701</span> <span class="token keyword">Current</span> query <span class="token operator">is</span> <span class="token keyword">time</span> <span class="token keyword">out</span><span class="token punctuation">,</span> please <span class="token keyword">check</span> your statement <span class="token operator">or</span> <span class="token keyword">modify</span> timeout parameter<span class="token punctuation">.</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The default timeout of a query is 60000 ms，which can be customized in the configuration file through the <code>query_timeout_threshold</code> parameter.</p> <p>If you use JDBC or Session, we also support setting a timeout for a single query（Unit: ms）：</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token [...]
+session<span class="token punctuation">.</span><span class="token function">executeQueryStatement</span><span class="token punctuation">(</span><span class="token class-name">String</span> sql<span class="token punctuation">,</span> <span class="token keyword">long</span> timeout<span class="token punctuation">)</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><blockquote><p>If the timeout parameter is not configured or with a negative number, the default timeout time will be used.
+If value 0 is used, timeout function will be disabled.</p></blockquote> <h3 id="query-abort"><a href="#query-abort" class="header-anchor">#</a> Query abort</h3> <p>In addition to waiting for the query to time out passively, IoTDB also supports stopping the query actively:</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">KILL</span> QUERY <span class="token operator"><</span>queryId<span class="token operator">></span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You can abort the specified query by specifying <code>queryId</code>. If <code>queryId</code> is not specified, all executing queries will be killed.</p> <p>To get the executing <code>queryId</code>，you can use the <code>show query processlist</code> command，which will show the list of all executing queries，with the following result set：</p> <table><thead><tr><th>Time</th> <th>queryId</th [...]
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+ <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/IoTDB-SQL-Language/Syntax-Conventions.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuid [...]
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+ <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only"> [...]
+ : FIRST_NAME_CHAR NAME_CHAR<span class="token operator">*</span>
+ <span class="token operator">|</span> <span class="token string">'"'</span> <span class="token punctuation">(</span><span class="token operator">~</span><span class="token punctuation">(</span><span class="token string">'"'</span> <span class="token operator">|</span> <span class="token string">'.'</span><span class="token punctuation">)</span> <span class="token operator">|</span> <span class="token string">'""'</span><span class="token punctuation">)</span><span [...]
+ <span class="token operator">|</span> <span class="token string">'`'</span> <span class="token punctuation">(</span><span class="token operator">~</span><span class="token punctuation">(</span><span class="token string">'`'</span> <span class="token operator">|</span> <span class="token string">'.'</span><span class="token punctuation">)</span> <span class="token operator">|</span> <span class="token string">'``'</span><span class="token punctuation">)</span><span class="token operat [...]
+ <span class="token punctuation">;</span>
+
+fragment NAME_CHAR
+ : <span class="token string">'A'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'Z'</span>
+ <span class="token operator">|</span> <span class="token string">'a'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'z'</span>
+ <span class="token operator">|</span> <span class="token string">'0'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'9'</span>
+ <span class="token operator">|</span> <span class="token string">'_'</span>
+ <span class="token operator">|</span> <span class="token string">':'</span>
+ <span class="token operator">|</span> <span class="token string">'@'</span>
+ <span class="token operator">|</span> <span class="token string">'#'</span>
+ <span class="token operator">|</span> <span class="token string">'$'</span>
+ <span class="token operator">|</span> <span class="token string">'{'</span>
+ <span class="token operator">|</span> <span class="token string">'}'</span>
+ <span class="token operator">|</span> CN_CHAR
+ <span class="token punctuation">;</span>
+
+fragment FIRST_NAME_CHAR
+ : <span class="token string">'A'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'Z'</span>
+ <span class="token operator">|</span> <span class="token string">'a'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'z'</span>
+ <span class="token operator">|</span> <span class="token string">'_'</span>
+ <span class="token operator">|</span> <span class="token string">':'</span>
+ <span class="token operator">|</span> <span class="token string">'@'</span>
+ <span class="token operator">|</span> <span class="token string">'#'</span>
+ <span class="token operator">|</span> <span class="token string">'$'</span>
+ <span class="token operator">|</span> <span class="token string">'{'</span>
+ <span class="token operator">|</span> <span class="token string">'}'</span>
+ <span class="token operator">|</span> CN_CHAR
+ <span class="token punctuation">;</span>
+
+fragment CN_CHAR
+ : <span class="token string">'\u2E80'</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token string">'\u9FFF'</span>
+ <span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+<span class="token comment"># "udfname:""actual-name""" will be parsed as udfname:"actual-name"</span>
+
+<span class="token keyword">CREATE</span> <span class="token keyword">FUNCTION</span> <span class="token identifier"><span class="token punctuation">`</span>udfname:actual-name<span class="token punctuation">`</span></span> <span class="token keyword">AS</span> <span class="token string">'org.apache.iotdb.db.query.udf.example.Counter'</span>
+<span class="token comment"># `udfname:actual-name` will be parsed as udfname:actual-name</span>
+
+<span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>a<span class="token punctuation">.</span>b<span class="token punctuation">.</span><span class="token identifier"><span class="token punctuation">`</span>s1+s2/s3<span class="token punctuation">`</span></span><span class="token punctuation">.</span>c <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span>ENCODING<span c [...]
+<span class="token comment"># root.a.b.`s1+s2/s3`.c will be parsed as root.a.b.s1+s2/s3.c</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h2 id="single-quotes"><a href="#single-quotes" class="header-anchor">#</a> Single-quotes (')</h2> <p>The literal value of a str [...]
+ : <span class="token string">'\''</span> <span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token operator">~</span><span class="token string">'\''</span><span class="token punctuation">)</span> <span class="token operator">|</span> <span class="token string">'\'\''</span><span class="token punctuation">)</span><span class="token operator">*</span> <span class="token string">'\''</span>
+ <span class="token punctuation">;</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Usages of string literals:</p> <ul><li>Values of <code>TEXT</code> type data in <code>INSERT</code> or <code>SELECT</code> statements</li> <li>Full Java class names in UDF and trigger management statements</li> <li>Attribute fields (including attribute keys and attribute values) in UDF / trigger execution or mana [...]
+
+<span class="token keyword">CREATE</span> <span class="token keyword">TRIGGER</span> trigger_name BEFORE <span class="token keyword">INSERT</span> <span class="token keyword">ON</span> root<span class="token punctuation">.</span>a<span class="token punctuation">.</span>b<span class="token punctuation">.</span><span class="token identifier"><span class="token punctuation">`</span>s1+s2/s3<span class="token punctuation">`</span></span><span class="token punctuation">.</span>c <span class=" [...]
+
+<span class="token keyword">CREATE</span> <span class="token keyword">USER</span> <span class="token identifier"><span class="token punctuation">`</span>my-%+-*/user&name<span class="token punctuation">`</span></span> <span class="token string">'my-pass''word'''</span>
+<span class="token comment"># The password is my-pass'word'</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h2 id="learn-more"><a href="#learn-more" class="header-anchor">#</a> Learn More</h2> <p>Please read the lexical and grammar description files in our code repository:</p> <p>Lexical file: <code>antlr/src/ [...]
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