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Posted to commits@iotdb.apache.org by qi...@apache.org on 2020/03/28 02:54:14 UTC

[incubator-iotdb-website] branch master updated: modify docs&config (#80)

This is an automated email from the ASF dual-hosted git repository.

qiaojialin pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb-website.git


The following commit(s) were added to refs/heads/master by this push:
     new 2232ff1  modify docs&config (#80)
2232ff1 is described below

commit 2232ff150472b505c15bd445f972fd3c56d2d31d
Author: Sail <37...@users.noreply.github.com>
AuthorDate: Sat Mar 28 10:54:06 2020 +0800

    modify docs&config (#80)
    
    * sitemap && screen adapt
---
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 docs/UserGuide/V0.9.x/1-Overview/2-Architecture.md |  36 +
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 .../8-System Design/3-Writing Data on HDFS.md      | 171 +++++
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 docs/UserGuide/master/8-Architecture/1-Files.md    |  60 ++
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 docs/zh/SystemDesign/1-TsFile/1-TsFile.md          |  31 +
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 .../zh/SystemDesign/2-QueryEngine/1-QueryEngine.md |  64 ++
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 .../4-StorageEngine/5-DataPartition.md             |   0
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 docs/zh/SystemDesign/5-DataQuery/1-DataQuery.md    |  40 +
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 .../SystemDesign/5-DataQuery/3-RawDataQuery.md     |   0
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 .../SystemDesign/5-DataQuery/6-LastQuery.md        |   0
 .../5-DataQuery/7-AlignByDeviceQuery.md            |   0
 .../master => }/SystemDesign/6-Tools/1-Sync.md     |   0
 .../SystemDesign/7-Connector/2-Hive-TsFile.md      |   0
 .../SystemDesign/7-Connector/3-Spark-TsFile.md     |   0
 .../SystemDesign/7-Connector/4-Spark-IOTDB.md      |   0
 .../UserGuide/V0.8.x/0-Get Started/1-QuickStart.md | 229 ++++++
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 .../V0.8.x/0-Get Started/3-Publication.md          |  32 +
 .../V0.8.x}/1-Overview/1-What is IoTDB.md          |   0
 .../V0.8.x}/1-Overview/2-Architecture.md           |   0
 docs/zh/UserGuide/V0.8.x/1-Overview/3-Scenario.md  |  78 ++
 .../V0.8.x}/1-Overview/4-Features.md               |   0
 .../1-Key Concepts and Terminology.md              | 176 +++++
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 .../3-Encoding.md                                  |  65 ++
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 .../3-Operation Manual/2-Data Model Selection.md   | 112 +++
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 .../V0.8.x/3-Operation Manual/4-Data Query.md      | 500 ++++++++++++
 .../3-Operation Manual/5-Data Maintenance.md       |  84 +++
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 .../4-Deployment and Management/1-Deployment.md    | 118 +++
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 .../3-System Monitor.md                            | 150 ++++
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 .../4-Deployment and Management/5-System log.md    |  62 ++
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 .../5-IoTDB SQL Documentation/2-Reference.md       |   0
 docs/zh/UserGuide/V0.8.x/6-JDBC API/1-JDBC API.md  | 188 +++++
 .../zh/UserGuide/V0.8.x/7-TsFile/1-Installation.md |  98 +++
 docs/zh/UserGuide/V0.8.x/7-TsFile/2-Usage.md       | 522 +++++++++++++
 docs/zh/UserGuide/V0.8.x/7-TsFile/3-Hierarchy.md   | 247 ++++++
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 .../V0.9.x/0-Get Started/3-Publication.md          |  33 +
 .../UserGuide/V0.9.x/1-Overview/1-What is IoTDB.md |  26 +
 .../UserGuide/V0.9.x/1-Overview/2-Architecture.md  |  36 +
 docs/zh/UserGuide/V0.9.x/1-Overview/3-Scenario.md  |  78 ++
 docs/zh/UserGuide/V0.9.x/1-Overview/4-Features.md  |  51 ++
 .../2-Concept/1-Data Model and Terminology.md      | 221 ++++++
 docs/zh/UserGuide/V0.9.x/2-Concept/2-Data Type.md  |  43 ++
 docs/zh/UserGuide/V0.9.x/2-Concept/3-Encoding.md   |  69 ++
 .../zh/UserGuide/V0.9.x/2-Concept/4-Compression.md |  33 +
 docs/zh/UserGuide/V0.9.x/3-Server/1-Download.md    | 122 +++
 .../V0.9.x/3-Server/2-Single Node Setup.md         |  26 +
 .../UserGuide/V0.9.x/3-Server/3-Cluster Setup.md   |  26 +
 .../UserGuide/V0.9.x/3-Server/4-Config Manual.md   | 402 ++++++++++
 .../zh/UserGuide/V0.9.x/3-Server/5-Docker Image.md |  91 +++
 .../V0.9.x/4-Client/1-Command Line Interface.md    | 148 ++++
 .../V0.9.x/4-Client/2-Programming - JDBC.md        | 277 +++++++
 .../V0.9.x/4-Client/3-Programming - Session.md     | 136 ++++
 .../4-Client/4-Programming - Other Languages.md    |  63 ++
 .../V0.9.x/4-Client/5-Programming - TsFile API.md  | 697 +++++++++++++++++
 .../1-DDL Data Definition Language.md              | 185 +++++
 .../2-DML Data Manipulation Language.md            | 195 +++++
 .../3-Account Management Statements.md             | 135 ++++
 .../V0.9.x/5-Operation Manual/4-SQL Reference.md   | 729 ++++++++++++++++++
 .../UserGuide/V0.9.x/6-System Tools/1-Sync Tool.md | 277 +++++++
 .../6-System Tools/2-Memory Estimation Tool.md     |  91 +++
 .../UserGuide/V0.9.x/6-System Tools/3-JMX Tool.md  |  34 +
 .../V0.9.x/6-System Tools/4-Watermark Tool.md      | 214 ++++++
 .../V0.9.x/6-System Tools/5-Log Visualizer.md      | 148 ++++
 .../6-Query History Visualization Tool.md          |  32 +
 .../6-System Tools/7-Monitor and Log Tools.md      | 258 +++++++
 .../6-System Tools/8-Load External Tsfile.md       |  79 ++
 .../V0.9.x/7-Ecosystem Integration/1-Grafana.md    | 137 ++++
 .../7-Ecosystem Integration/2-MapReduce TsFile.md  | 220 ++++++
 .../7-Ecosystem Integration/3-Spark TsFile.md      | 345 +++++++++
 .../7-Ecosystem Integration/4-Spark IoTDB.md       | 175 +++++
 .../7-Ecosystem Integration/5-Hive TsFile.md       | 194 +++++
 .../V0.9.x/8-System Design/1-Hierarchy.md          | 415 ++++++++++
 .../zh/UserGuide/V0.9.x/8-System Design/2-Files.md |  63 ++
 .../8-System Design/3-Writing Data on HDFS.md      | 171 +++++
 .../8-System Design/4-Shared Nothing Cluster.md    |  26 +
 .../UserGuide/master/0-Get Started/1-QuickStart.md | 293 ++++++++
 .../0-Get Started/2-Frequently asked questions.md  |   0
 .../master}/0-Get Started/3-Publication.md         |   0
 .../master}/1-Overview/1-What is IoTDB.md          |   0
 .../master}/1-Overview/2-Architecture.md           |   0
 .../master}/1-Overview/3-Scenario.md               |   0
 .../master}/1-Overview/4-Features.md               |   0
 .../2-Concept/1-Data Model and Terminology.md      |   0
 docs/zh/UserGuide/master/2-Concept/2-Data Type.md  |  41 +
 .../master}/2-Concept/3-Encoding.md                |   0
 .../zh/UserGuide/master/2-Concept/4-Compression.md |  31 +
 docs/zh/UserGuide/master/3-Server/1-Download.md    | 120 +++
 .../master}/3-Server/2-Single Node Setup.md        |   0
 .../master}/3-Server/3-Cluster Setup.md            |   0
 .../master}/3-Server/4-Config Manual.md            |   0
 .../master}/3-Server/5-Docker Image.md             |   0
 .../master}/4-Client/1-Command Line Interface.md   |   0
 .../master}/4-Client/2-Programming - Native API.md |   0
 .../master}/4-Client/3-Programming - JDBC.md       |   0
 .../4-Client/4-Programming - Other Languages.md    |   0
 .../master/4-Client/5-Programming - TsFile API.md  | 705 +++++++++++++++++
 .../master}/4-Client/6-Status Codes.md             |   0
 .../1-DDL Data Definition Language.md              | 185 +++++
 .../2-DML Data Manipulation Language.md            | 723 ++++++++++++++++++
 .../3-Account Management Statements.md             | 134 ++++
 .../master}/5-Operation Manual/4-SQL Reference.md  |   0
 .../master}/6-System Tools/1-Sync Tool.md          |   0
 .../6-System Tools/2-Memory Estimation Tool.md     |   0
 .../master}/6-System Tools/3-JMX Tool.md           |   0
 .../master}/6-System Tools/4-Watermark Tool.md     |   0
 .../master}/6-System Tools/5-Log Visualizer.md     |   0
 .../6-Query History Visualization Tool.md          |   0
 .../6-System Tools/7-Monitor and Log Tools.md      | 449 +++++++++++
 .../6-System Tools/8-Load External Tsfile.md       |   0
 .../master}/7-Ecosystem Integration/1-Grafana.md   |   0
 .../7-Ecosystem Integration/2-MapReduce TsFile.md  |   0
 .../7-Ecosystem Integration/3-Spark TsFile.md      |   0
 .../7-Ecosystem Integration/4-Spark IoTDB.md       |   0
 .../7-Ecosystem Integration/5-Hive TsFile.md       |   0
 docs/zh/UserGuide/master/8-Architecture/1-Files.md |  61 ++
 .../8-Architecture/2-Writing Data on HDFS.md       |   0
 .../8-Architecture/3-Shared Nothing Cluster.md     |   0
 docs/zh/community/Community-Project Committers.md  |   2 -
 docs/zh/development/ContributeGuide.md             | 101 +++
 docs/zh/development/Development-Chinese.md         |  99 ---
 docs/zh/document/V0.8.x/UserGuide/0-Content.md     |  37 -
 .../V0.8.x/UserGuide/0-Get Started/1-QuickStart.md | 206 -----
 .../0-Get Started/2-Frequently asked questions.md  | 131 ----
 .../UserGuide/0-Get Started/3-Publication.md       |   9 -
 .../V0.8.x/UserGuide/1-Overview/3-Scenario.md      |  55 --
 .../1-Key Concepts and Terminology.md              | 176 -----
 .../2-Data Type.md                                 |  41 -
 .../3-Encoding.md                                  |  65 --
 .../4-Compression.md                               |  26 -
 .../3-Operation Manual/2-Data Model Selection.md   | 112 ---
 .../UserGuide/3-Operation Manual/3-Data Import.md  |  85 ---
 .../UserGuide/3-Operation Manual/4-Data Query.md   | 500 ------------
 .../3-Operation Manual/5-Data Maintenance.md       |  61 --
 .../3-Operation Manual/6-Priviledge Management.md  | 133 ----
 .../4-Deployment and Management/1-Deployment.md    | 118 ---
 .../3-System Monitor.md                            | 150 ----
 .../4-Deployment and Management/5-System log.md    |  62 --
 .../6-Data Management.md                           |  71 --
 .../7-Build and use IoTDB by Dockerfile.md         |  71 --
 .../V0.8.x/UserGuide/6-JDBC API/1-JDBC API.md      | 165 ----
 .../V0.8.x/UserGuide/7-TsFile/1-Installation.md    |  75 --
 .../document/V0.8.x/UserGuide/7-TsFile/2-Usage.md  | 507 -------------
 .../V0.8.x/UserGuide/7-TsFile/3-Hierarchy.md       | 229 ------
 .../V0.9.x/UserGuide/0-Get Started/1-QuickStart.md | 260 -------
 .../0-Get Started/2-Frequently asked questions.md  |   3 -
 .../UserGuide/0-Get Started/3-Publication.md       |  10 -
 .../V0.9.x/UserGuide/1-Overview/1-What is IoTDB.md |   3 -
 .../V0.9.x/UserGuide/1-Overview/2-Architecture.md  |  13 -
 .../V0.9.x/UserGuide/1-Overview/3-Scenario.md      |  55 --
 .../V0.9.x/UserGuide/1-Overview/4-Features.md      |  28 -
 .../2-Concept/1-Data Model and Terminology.md      | 198 -----
 .../V0.9.x/UserGuide/2-Concept/2-Data Type.md      |  20 -
 .../V0.9.x/UserGuide/2-Concept/3-Encoding.md       |  46 --
 .../V0.9.x/UserGuide/2-Concept/4-Compression.md    |  10 -
 .../V0.9.x/UserGuide/3-Server/1-Download.md        |  99 ---
 .../UserGuide/3-Server/2-Single Node Setup.md      |   3 -
 .../V0.9.x/UserGuide/3-Server/3-Cluster Setup.md   |   3 -
 .../V0.9.x/UserGuide/3-Server/4-Config Manual.md   | 379 ----------
 .../V0.9.x/UserGuide/3-Server/5-Docker Image.md    |   3 -
 .../UserGuide/4-Client/1-Command Line Interface.md | 125 ---
 .../UserGuide/4-Client/2-Programming - JDBC.md     | 254 -------
 .../UserGuide/4-Client/3-Programming - Session.md  |  97 ---
 .../4-Client/4-Programming - Other Languages.md    |   3 -
 .../4-Client/5-Programming - TsFile API.md         |   3 -
 .../1-DDL Data Definition Language.md              | 162 ----
 .../2-DML Data Manipulation Language.md            | 172 -----
 .../3-Account Management Statements.md             | 112 ---
 .../5-Operation Manual/4-SQL Reference.md          | 706 -----------------
 .../V0.9.x/UserGuide/6-System Tools/1-Sync Tool.md | 253 -------
 .../6-System Tools/2-Memory Estimation Tool.md     |  67 --
 .../V0.9.x/UserGuide/6-System Tools/3-JMX Tool.md  |  11 -
 .../UserGuide/6-System Tools/4-Watermark Tool.md   | 190 -----
 .../UserGuide/6-System Tools/5-Log Visualizer.md   | 125 ---
 .../6-Query History Visualization Tool.md          |   9 -
 .../6-System Tools/7-Monitor and Log Tools.md      | 235 ------
 .../6-System Tools/8-Load External Tsfile.md       |  56 --
 .../UserGuide/7-Ecosystem Integration/1-Grafana.md | 114 ---
 .../7-Ecosystem Integration/2-MapReduce TsFile.md  | 197 -----
 .../7-Ecosystem Integration/3-Spark TsFile.md      |   2 -
 .../7-Ecosystem Integration/4-Spark IoTDB.md       |   3 -
 .../7-Ecosystem Integration/5-Hive TsFile.md       | 173 -----
 .../UserGuide/8-System Design/1-Hierarchy.md       |   3 -
 .../V0.9.x/UserGuide/8-System Design/2-Files.md    |  40 -
 .../8-System Design/3-Writing Data on HDFS.md      | 148 ----
 .../8-System Design/4-Shared Nothing Cluster.md    |   3 -
 .../master/SystemDesign/1-TsFile/1-TsFile.md       |  31 -
 .../SystemDesign/2-QueryEngine/1-QueryEngine.md    |  64 --
 .../4-StorageEngine/1-StorageEngine.md             |  67 --
 .../4-StorageEngine/6-DataManipulation.md          |  96 ---
 .../master/SystemDesign/5-DataQuery/1-DataQuery.md |  40 -
 .../master/UserGuide/0-Get Started/1-QuickStart.md | 293 --------
 .../master/UserGuide/2-Concept/2-Data Type.md      |  41 -
 .../master/UserGuide/2-Concept/4-Compression.md    |  31 -
 .../master/UserGuide/3-Server/1-Download.md        | 120 ---
 .../4-Client/5-Programming - TsFile API.md         | 705 -----------------
 .../1-DDL Data Definition Language.md              | 185 -----
 .../2-DML Data Manipulation Language.md            | 723 ------------------
 .../3-Account Management Statements.md             | 134 ----
 .../6-System Tools/7-Monitor and Log Tools.md      | 449 -----------
 .../master/UserGuide/8-Architecture/1-Files.md     |  61 --
 docs/zh/download/V0.8.0/README.md                  |  18 -
 docs/zh/download/V0.8.1/README.md                  |  18 -
 docs/zh/download/V0.8.2/README.md                  |  18 -
 docs/zh/download/V0.9.0/README.md                  |  18 -
 docs/zh/download/V0.9.1/README.md                  |  18 -
 package-lock.json                                  |   2 +-
 package.json                                       |   4 +-
 1163 files changed, 29571 insertions(+), 55153 deletions(-)

diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index a4d4cff..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/README.md b/README.md
index 04d5e0f..8d6d16f 100644
--- a/README.md
+++ b/README.md
@@ -28,3 +28,20 @@ npm run build
 
 Copy all files in dist/ folder to asf-site branch.
 
+## Directory Structure
+
+```
+.
+├─ docs
+│  ├─ README.md	       //Home
+│  └─ .vuepress
+│  │  └─ components    //Global vue template
+│  │  └─ dist          //Build directory
+│  │  └─ public        //Store static files
+│  │  └─ config.js	   //Configuration
+│  └─ document         //document 
+│  └─ download         //download
+│  └─ ...              
+└─ package.json
+```
+
diff --git a/docs/.DS_Store b/docs/.DS_Store
deleted file mode 100644
index 94f2aea..0000000
Binary files a/docs/.DS_Store and /dev/null differ
diff --git a/docs/.vuepress/.DS_Store b/docs/.vuepress/.DS_Store
deleted file mode 100644
index c88bee6..0000000
Binary files a/docs/.vuepress/.DS_Store and /dev/null differ
diff --git a/docs/.vuepress/components/Contributor.vue b/docs/.vuepress/components/Contributor.vue
index 34d562a..36c87d2 100644
--- a/docs/.vuepress/components/Contributor.vue
+++ b/docs/.vuepress/components/Contributor.vue
@@ -1,5 +1,6 @@
 <template>
   <div>
+    <h1 style="text-align: center;">Project Committers</h1>
     <div v-for="(item,i) in conList" class="box">
       <img :src="item.avatar">
       <div class="right">
@@ -193,6 +194,7 @@
       height:200px;
       display: inline-block;
       vertical-align: top;
+      text-align: center;
    }
 
    img{
diff --git a/docs/.vuepress/components/FooterFixed.vue b/docs/.vuepress/components/FooterFixed.vue
index 0911ca6..41899fc 100644
--- a/docs/.vuepress/components/FooterFixed.vue
+++ b/docs/.vuepress/components/FooterFixed.vue
@@ -5,11 +5,9 @@
     line-height: 50px;
     width: 100%;
     ">
-          <p style="line-height: 8px;">
-        Copyright © 2020 The Apache Software Foundation. 
-       </p>
-       <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p>
+   
+       <p>Copyright © 2020 The Apache Software Foundation.<br>
+       Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p>
         <p style="text-align:justify!important;">
         Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
       </p>
diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 1e8d892..bc0e67e 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -1,6 +1,10 @@
 var config = {
     head: [
-        ['link', { rel: 'icon', href: '/favicon.ico' }]
+		['link', { rel: 'icon', href: '/favicon.ico' }],
+		["meta", {name: "Description", content: "Apache IoTDB: Time Series Database for IoT"}],
+        ["meta", {name: "Keywords", content: "TSDB, time series, time series database, IoTDB, IoT database, IoT data management"}],
+        ["meta", {name: "baidu-site-verification", content: "wfKETzB3OT"}],
+        ["meta", {name: "google-site-verification", content: "mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo"}],
       ],
 
     // 静态网站部署的目录
@@ -10,7 +14,7 @@ var config = {
     title: 'IoTDB Website',
   
     // <meta name="description" content="...">
-    description: ' ', 
+    description: 'Apache IoTDB', 
   
     markdown: {
       
@@ -50,14 +54,14 @@ var config = {
 				 {
 					text: 'Document',
 					items: [
-						{ text: 'In progress', link: '/document/master/UserGuide/0-Get Started/1-QuickStart' },
-						{ text: 'V0.9.x', link: '/document/V0.9.x/UserGuide/0-Get Started/1-QuickStart' },
-					    { text: 'V0.8.x', link: '/document/V0.8.x/UserGuide/0-Get Started/1-QuickStart'},
+						{ text: 'In progress', link: '/UserGuide/master/0-Get Started/1-QuickStart' },
+						{ text: 'V0.9.x', link: '/UserGuide/V0.9.x/0-Get Started/1-QuickStart' },
+					    { text: 'V0.8.x', link: '/UserGuide/V0.8.x/0-Get Started/1-QuickStart'},
 					]
 				  },
 				  {
 					text: 'System design',
-					link: '/document/master/SystemDesign/0-Architecture/1-Architecture'
+					link: '/SystemDesign/0-Architecture/1-Architecture'
 				  },
 				  {
 					text: 'Download',
@@ -79,6 +83,7 @@ var config = {
 					  { text: 'How to vote', link: '/development/Development-VoteRelease'},
 					  { text: 'Changelist of TsFile', link: '/development/format-changelist'},
 					  { text: 'Changelist of RPC', link: '/development/rpc-changelist'},
+					  { text: 'ContributeGuide', link: '/development/ContributeGuide'},
 					]
 				  },
 				  {
@@ -101,7 +106,7 @@ var config = {
 				  },
 			],
 			sidebar: {
-				'/document/V0.8.x/UserGuide/': [
+				'/UserGuide/V0.8.x/': [
 					{
 						title:'User Guide(V0.8.x)',
 						collapsable: false,
@@ -184,7 +189,7 @@ var config = {
 						]
 					},
 				],
-				'/document/V0.9.x/UserGuide/': [
+				'/UserGuide/V0.9.x/': [
 					{
 						title:'User Guide(V0.9.x)',
 						collapsable: false,
@@ -277,7 +282,7 @@ var config = {
 						]
 					},
 				],
-				'/document/master/UserGuide/': [
+				'/UserGuide/master/': [
 					{
 						title:'User Guide(In progress)',
 						collapsable: false,
@@ -370,7 +375,11 @@ var config = {
 						]
 					},
 				],
-				'/document/master/SystemDesign/': [
+				'/SystemDesign/': [
+					{
+						title: 'System design',
+						collapsable: false,
+					},
 					{
 						title: '0-Architecture',
 						children: [
@@ -456,21 +465,19 @@ var config = {
 			},
 			// 当前 locale 的 algolia docsearch 选项
 			algolia: {
-				apiKey: '8446a1de23bdccd680bf89b7d3d11d32',
-				indexName: 'en',
 			},
 			nav: [
 				 {
 					text: '文档',
 					items: [
-					  { text: 'In progress', link: '/zh/document/master/UserGuide/0-Get Started/1-QuickStart' },
-					  { text: 'V0.9.x', link: '/zh/document/V0.9.x/UserGuide/0-Get Started/1-QuickStart' },
-					  { text: 'V0.8.x', link: '/zh/document/V0.8.x/UserGuide/0-Get Started/1-QuickStart'},
+					  { text: 'In progress', link: '/zh/UserGuide/master/0-Get Started/1-QuickStart' },
+					  { text: 'V0.9.x', link: '/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart' },
+					  { text: 'V0.8.x', link: '/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart'},
 					]
 				  },
 				  	{
 					text: '系统设计',
-					link: '/zh/document/master/SystemDesign/0-Architecture/1-Architecture'
+					link: '/zh/SystemDesign/0-Architecture/1-Architecture'
 				  },
 				  {
 					text: '下载',
@@ -492,7 +499,7 @@ var config = {
 					  { text: '如何投票', link: '/zh/development/Development-VoteRelease'},
 					  { text: 'TsFile的更改列表', link: '/zh/development/format-changelist'},
 					  { text: 'RPC变更清单', link: '/zh/development/rpc-changelist'},
-					  { text: '引导', link: '/zh/development/Development-Chinese'},
+					  { text: '开发指南', link: '/zh/development/ContributeGuide'},
 					]
 				  },
 				  {
@@ -515,9 +522,9 @@ var config = {
 				  },
 			],
 			sidebar: {
-				'/zh/document/V0.8.x/UserGuide/': [
+				'/zh/UserGuide/V0.8.x/': [
 					{
-						title: '用户指引(V0.8.x)',
+						title: '用户手册(V0.8.x)',
 						collapsable: false,
 					},
 					{
@@ -598,9 +605,9 @@ var config = {
 						]
 					},				   
 				],
-				'/zh/document/V0.9.x/UserGuide/': [
+				'/zh/UserGuide/V0.9.x/': [
 					{
-						title: '用户指引(V0.9.x)',
+						title: '用户手册(V0.9.x)',
 						collapsable: false,
 					},
 					{
@@ -691,9 +698,9 @@ var config = {
 						]
 					},
 				],
-				'/zh/document/master/UserGuide/': [
+				'/zh/UserGuide/master/': [
 					{
-						title: '用户指引(In progress)',
+						title: '用户手册(In progress)',
 						collapsable: false,
 					},
 					{
@@ -784,7 +791,11 @@ var config = {
 						]
 					},
 				],
-				'/zh/document/master/SystemDesign/': [
+				'/zh/SystemDesign/': [
+					{
+						title: '系统设计',
+						collapsable: false,
+					},
 					{
 						title: '0-应用概览',
 						children: [
diff --git a/docs/.vuepress/dist/404.html b/docs/.vuepress/dist/404.html
deleted file mode 100644
index 6f7d825..0000000
--- a/docs/.vuepress/dist/404.html
+++ /dev/null
@@ -1,17 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title> </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel="prefetch" href="/assets/js/104.6bc35b5d.js"><link rel="prefetch"  [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.css">
-  </head>
-  <body>
-    <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>
-    <script src="/assets/js/app.7093b970.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/assets/css/0.styles.8d6c2688.css b/docs/.vuepress/dist/assets/css/0.styles.8d6c2688.css
deleted file mode 100644
index 59d4984..0000000
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-<ul><li>Project and Product names using &quot;IoTDB&quot;</li> <li>Companies and Organizations</li></ul></li></ul> <h2 id="powered-by"><a href="#powered-by" class="header-anchor">#</a> Powered By</h2> <h3 id="project-and-product-names-using-iotdb"><a href="#project-and-product-names-using-iotdb" class="header-anchor">#</a> Project and Product names using &quot;IoTDB&quot;</h3> <p>Organizations creating products and projects using Apache IoTDB, along with associated marketing materials, s [...]
-It is recommended to not include “IoTDB” in any names to prevent potential trademark issue with the IoTDB project.
-As an example, names like “IoTDB BigDataProduct” should not be used, as the name include “IoTDB” in general. The above links, however, describe some exceptions, like for names such as “BigDataProduct, powered by Apache IoTDB” or “BigDataProduct for Apache IoTDB”. In summary, any names contain &quot;Apache IoTDB&quot; as a whole are acceptable.<br>
-A common practice you can take is to create software identifiers (Maven coordinates, module names, etc.) like “iotdb-tool”. These are permitted. Nominative use of trademarks in descriptions is also allowed, as in “BigDataProduct is a subproduct for Apache IoTDB”.</p> <h3 id="companies-and-organizations"><a href="#companies-and-organizations" class="header-anchor">#</a> Companies and Organizations</h3> <p>To add yourself to the list, please email dev@iotdb.apache.org with your organizatio [...]
-<ul><li>We have both graduate students and a team of professional software engineers working on the stack</li></ul></li></ul> <div style="margin-top:120px;height:10px;text-align:center;line-height:50px;width:100%;"><p style="line-height: 8px;">
-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
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-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
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diff --git a/docs/.vuepress/dist/css/index.css b/docs/.vuepress/dist/css/index.css
deleted file mode 100644
index 1173fbe..0000000
--- a/docs/.vuepress/dist/css/index.css
+++ /dev/null
@@ -1,12 +0,0 @@
-.red{
-    color:red;
-}
-
-/*滚动条的宽度*/
-
-::-webkit-scrollbar {
-    width:0px;
-    display: none;
-}
-
-/*外层轨道。可以用display:none让其不显示,也可以添加背景图片,颜色改变显示效果*/
diff --git a/docs/.vuepress/dist/development/Development-Chinese.html b/docs/.vuepress/dist/development/Development-Chinese.html
deleted file mode 100644
index 6f052a1..0000000
--- a/docs/.vuepress/dist/development/Development-Chinese.html
+++ /dev/null
@@ -1,59 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>一、工作流程 |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/16.88937275.js" as="script"><link rel="preload" href="/assets/js/4.8dda7d55.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><l [...]
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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 [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-<ul><li>集成测试参考: server/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT</li></ul></li> <li>提交 PR, 以 [IOTDB-jira号] 开头</li> <li>发邮件到 dev 邮件列表:(I've submitted a PR for issue IOTDB-xxx [link])</li> <li>根据其他人的审阅意见进行修改,继续更新,直到合并</li> <li>关闭 jira issue</li></ul> <h2 id="二、iotdb-调试方式"><a href="#二、iotdb-调试方式" class="header-anchor">#</a> 二、IoTDB 调试方式</h2> <p>推荐使用 Intellij idea。<code>mvn clean package -DskipTests</code> 之后把 <code>server/target/generated-sources/antlr4</code> 和 <code>se [...]
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diff --git a/docs/.vuepress/dist/development/Development-Contributing.html b/docs/.vuepress/dist/development/Development-Contributing.html
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-<ul><li>Mailing Lists</li> <li>JIRA issues</li></ul></li> <li>How to contribute
-<ul><li>Becoming a committer
-<ul><li>Contributing by Helping Other Users</li> <li>Contributing by Testing Releases</li> <li>Contributing by Reviewing Changes</li> <li>Contributing by Documentation Changes</li> <li>Contributing Bug Reports</li> <li>Contributing Code Changes
-<ul><li>Cloning source code</li> <li>JIRA</li> <li>Pull Request</li> <li>The Review Process</li> <li>Closing Your Pull Request / JIRA</li> <li>Code Style</li></ul></li></ul></li></ul></li></ul> <h1 id="have-questions"><a href="#have-questions" class="header-anchor">#</a> Have Questions</h1> <h2 id="mailing-lists"><a href="#mailing-lists" class="header-anchor">#</a> Mailing Lists</h2> <p>It is recommended to use our mailing lists to ask for help, report issues or contribute to the project.
-dev@iotdb.apache.org is for anyone who wants to contribute codes to IoTDB or have usage questions for IoTDB.</p> <p>Some quick tips when using email:</p> <ul><li>For error logs or long code examples, please use GitHub gist and include only a few lines of the pertinent code/log within the email.</li> <li>No jobs, sales, or solicitation is permitted on the Apache IoTDB mailing lists.</li></ul> <p>PS. To subscribe our mail list, you can send an email to dev-subscribe@iotdb.incubator.apache. [...]
-Then,</p> <ul><li>Step 1: add document named <code>5-A.md</code> in folder &quot;1-Overview&quot;, since it is the fifth section in this chapter;</li> <li>Step 2: modify <code>0-Content.md</code> file by adding <code>* 5-A.md</code> in the list of &quot;# Chapter 1: Overview&quot;.</li></ul></li> <li><p>Suppose we want to create a new chapter &quot;chapter7: RoadMap&quot;, and want to add a new document <code>B.md</code> in chapter 7.
-Then,</p> <ul><li>Step 1: create a new folder named &quot;7-RoadMap&quot;, and add document named <code>1-B.md</code> in folder &quot;7-RoadMap&quot;;</li> <li>Step 2: modify <code>0-Content.md</code> file by adding &quot;# Chapter 7: RoadMap&quot; in the end, and  adding <code>* 1-B.md</code> in the list of this new chapter.</li></ul></li></ol> <p>If you need to insert <strong>figures</strong> into documents, you can firstly update the figures in <a href="https://github.com/thulab/iotdb [...]
-Drag a picture and then quote the figure's URL link.</p> <h3 id="contributing-bug-reports"><a href="#contributing-bug-reports" class="header-anchor">#</a> Contributing Bug Reports</h3> <p>If you encounter a problem, try to search the mailing list and JIRA to check whether other people have faced the same situation. If it is not reported before, please report an issue.</p> <p>Once you are sure it is a bug, it may be reported by creating a JIRA without creating a pull request. In the bug r [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Following <code>README.md</code> to test, run or build IoTDB.</p> <h4 id="jira"><a href="#jira" class="header-anchor">#</a> JIRA</h4> <p>Generally, IoTDB uses JIRA to track logical issues, including bugs and improvements and uses Github pull requests to manage the review and merge specific code changes. That is, JIRAs are used to describe what should be fixed or changed, proposing high-le [...]
-<ol><li>Do not create a new JIRA if you send a PR to address an existing issue labeled in JIRA; add it to the existing discussion.</li> <li>Look for existing pull requests that are linked from the JIRA, to understand if someone is already working on the JIRA</li></ol></li> <li>If the change is new, then it usually needs a new JIRA. However, trivial changes, such as changes are self-explained, do not require a JIRA. Example: Fix spelling error in JavaDoc</li> <li>If required, create a new JIRA:
-<ol><li>Provide a descriptive Title. “Problem in XXXManager” is not sufficient. “IoTDB failed to start on jdk11 because jdk11 does not support -XX:+PrintGCDetail” is good.</li> <li>Write a detailed description. For bug reports, this should ideally include a short reproduction of the problem. For new features, it may include a design document.</li> <li>Set the required fields:
-<ol><li>Issue Type. Generally, Bug, Improvement and New Feature are the only types used in IoTDB.</li> <li>Priority. Set to Major or below; higher priorities are generally reserved for committers to set. The main exception is correctness or data-loss issues, which can be flagged as Blockers. JIRA tends to unfortunately conflate “size” and “importance” in its Priority field values. Their meaning is rough:
-<ol><li>Blocker: pointless to release without this change as the release would be unusable to a large minority of users. Correctness and data loss issues should be considered Blockers.</li> <li>Critical: a large minority of users are missing important functionality without this, and/or a workaround is difficult</li> <li>Major: a small minority of users are missing important functionality without this, and there is a workaround</li> <li>Minor: a niche use case is missing some support, but [...]
-<ul><li>correctness: a correctness issue</li> <li>data-loss: a data loss issue</li> <li>release-notes: the change’s effects need mention in release notes. The JIRA or pull request should include detail suitable for inclusion in release notes – see “Docs Text” below.</li> <li>starter: small, simple change suitable for new contributors</li></ul></li> <li>Docs Text: For issues that require an entry in the release notes, this should contain the information that the release manager should inc [...]
-<ol><li>Fix Version. This is assigned by committers only when resolved.</li> <li>Target Version. This is assigned by committers to indicate a PR has been accepted for possible fix by the target version.</li></ol></li> <li>Do not include a patch file; pull requests are used to propose the actual change.</li></ol></li> <li>If the change is a large change, consider raising a discussion on it at dev@iotdb.apache.org first before proceeding to implement the change. Currently, we use https://c [...]
-Run all tests with <a href="https://github.com/thulab/iotdb/wiki/How-to-test-IoTDB" target="_blank" rel="noopener noreferrer">How to test<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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 7 [...]
-<ol><li>The PR title should be in the form of &quot;IoTDB-xxxx&quot;, where xxxx is the relevant JIRA number.</li> <li>If the pull request is still under work in progress stage but needs to be pushed to Github to request for review, please add &quot;WIP&quot; after the PR title.</li> <li>Consider identifying committers or other contributors who have worked on the code being changed. Find the file(s) in Github and click “Blame” to see a line-by-line annotation of who changed the code last [...]
-<ol><li>If it is your first contribution, Jenkins will wait for confirmation before building your code and post “Can one of the admins verify this patch?”</li> <li>A committer can authorize testing with a comment like “ok to test”</li> <li>A committer can automatically allow future pull requests from a contributor to be tested with a comment like “Jenkins, add to whitelist”</li></ol></li> <li>Watch for the results, and investigate and fix failures promptly
-<ol><li>Fixes can simply be pushed to the same branch from which you opened your pull request</li> <li>Jenkins will automatically re-test when new commits are pushed</li> <li>If the tests failed for reasons unrelated to the change (e.g. Jenkins outage), then a committer can request a re-test with “Jenkins, retest this please”. Ask if you need a test restarted. If you were added by “Jenkins, add to whitelist” from a committer before, you can also request the re-test.</li></ol></li></ol> < [...]
-<span class="token function">git</span> fetch upstream
-<span class="token function">git</span> rebase upstream/master 
-<span class="token comment"># or you can use `git pull --rebase upstream master` to replace the above two commands</span>
-<span class="token comment"># resolve your conflicts</span>
-<span class="token comment"># push codes to your branch</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><ul><li>Try to be responsive to the discussion rather than let days pass between replies</li></ul> <h4 id="closing-your-pull-request-jira"><a href="#closing-your-pull-request-jira" class="header-anchor"># [...]
-<ul><li>Note that in the rare case you are asked to open a pull request against a branch beside the master, you actually have to close the pull request manually</li> <li>The JIRA will be Assigned to the primary contributor to the change as a way of giving credit. If the JIRA isn’t closed and/or Assigned promptly, comment on the JIRA.</li></ul></li> <li>If your pull request is ultimately rejected, please close it promptly
-<ul><li>… because committers can’t close PRs directly</li> <li>Pull requests will be automatically closed by an automated process at Apache after about a week if a committer has made a comment like “mind closing this PR?” This means that the committer is specifically requesting that it be closed.</li></ul></li> <li>If a pull request has gotten little or no attention, consider improving the description or the change itself and ping likely reviewers again after a few days. Consider proposi [...]
-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
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-Then,</p> <ul><li>Step 1: add document named <code>5-A.md</code> in folder &quot;1-Overview&quot;, since it is the fifth section in this chapter;</li> <li>Step 2: modify <code>0-Content.md</code> file by adding <code>* 5-A.md</code> in the list of &quot;# Chapter 1: Overview&quot;.</li></ul></li> <li><p>Suppose we want to create a new chapter &quot;chapter7: RoadMap&quot;, and want to add a new document <code>B.md</code> in chapter 7.
-Then,</p> <ul><li>Step 1: create a new folder named &quot;7-RoadMap&quot;, and add document named <code>1-B.md</code> in folder &quot;7-RoadMap&quot;;</li> <li>Step 2: modify <code>0-Content.md</code> file by adding &quot;# Chapter 7: RoadMap&quot; in the end, and  adding <code>* 1-B.md</code> in the list of this new chapter.</li></ul></li></ol> <p>If you need to insert <strong>figures</strong> into documents, you can firstly update the figures in <a href="https://github.com/thulab/iotdb [...]
-Drag a picture and then quote the figure's URL link.</p> <blockquote><p>If you want to contribute more (for example, reviewing Changes, reporting bugs, or even being commiters), please refer to <a href="/#/Development/Contributing">this page</a>.</p></blockquote> <div style="margin-top:120px;height:10px;text-align:center;line-height:50px;width:100%;"><p style="line-height: 8px;">
-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
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diff --git a/docs/.vuepress/dist/development/Development-IDE.html b/docs/.vuepress/dist/development/Development-IDE.html
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-<ul><li>IDEA</li> <li>Eclipse</li> <li>Debugging IoTDB</li></ul></li></ul> <h1 id="how-to-develop-iotdb-in-ide"><a href="#how-to-develop-iotdb-in-ide" class="header-anchor">#</a> How to develop IoTDB in IDE</h1> <p>There are many ways to compile the source code of IoTDB,
-e.g., modify and compile with IDEA or Eclipse.</p> <p>Once all UTs are passed after you modify codes, your modification basically works!</p> <h2 id="idea"><a href="#idea" class="header-anchor">#</a> IDEA</h2> <ul><li>&quot;File&quot; -&gt; &quot;Open&quot; -&gt; choose the root path of IoTDB source code.</li> <li>use <code>mvn clean compile -Dmaven.test.skip=true</code>to get target.</li> <li>mark directory <em><strong>server/target/generated-sources/antlr4</strong></em> as source code</ [...]
-After the command is done, you can import IoTDB as an existing project:</p> <ul><li>Choose menu &quot;import&quot; -&gt; &quot;General&quot; -&gt; &quot;Existing Projects into Workspace&quot; -&gt; Choose IoTDB
-root path;</li> <li>Done.</li></ul></li> <li><p>If your Eclipse version is fashion enough (e.g., you are using the latest version of Eclipse),
-you can just choose menu &quot;import&quot; -&gt; &quot;Maven&quot; -&gt; &quot;Existing Maven Projects&quot;.</p></li></ul> <h2 id="debugging-iotdb"><a href="#debugging-iotdb" class="header-anchor">#</a> Debugging IoTDB</h2> <p>The main class of IoTDB server is <code>org.apache.iotdb.db.service.IoTDB</code>.
-The main class of IoTDB cli is <code>org.apache.iotdb.client.Client</code>
-(or <code>org.apache.iotdb.client.WinClient</code> on Win OS).</p> <p>You can run/debug IoTDB by using the two classes as the entrance.</p> <p>Another way to understand IoTDB is to read and try Unit Tests.</p> <div style="margin-top:120px;height:10px;text-align:center;line-height:50px;width:100%;"><p style="line-height: 8px;">
-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
-      </p></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/development/Development-VoteRelease.html b/docs/.vuepress/dist/development/Development-VoteRelease.html
deleted file mode 100644
index 5fb7aab..0000000
--- a/docs/.vuepress/dist/development/Development-VoteRelease.html
+++ /dev/null
@@ -1,142 +0,0 @@
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-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <!----> </div> <div class="page"> < [...]
-pub   rsa4096 2019-10-15 [SC]
-      10F3B3F8A1201B79AA43F2E00FC7F131CAA00430
-      
-或这种
-
-pub   rsa4096/28662AC6 2019-12-23 [SC]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>下载公钥</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>gpg2 --receive-keys 10F3B3F8A1201B79AA43F2E00FC7F131CAA00430 (或 28662AC6)
-
-或 (指定 keyserver) 
-gpg2 --keyserver p80.pool.sks-keyservers.net --recv-keys 10F3B3F8A1201B79AA43F2E00FC7F131CAA00430 (或 28662AC6)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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><h3 id="第二种方法"><a href="#第二种方法" class="header-anchor">#</a> 第二种方法</h3> <p>把下边这段复制到一个文本文件中,起个名叫 <code>key.asc</code></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>-----BEGIN PGP PUBLIC KEY BLOCK-----
-Version: GnuPG v2
-...
------END PGP PUBLIC KEY BLOCK-----
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>导入 RM 的公钥到自己电脑</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>gpg2 --import key.asc
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="验证源码发布版"><a href="#验证源码发布版" class="header-anchor">#</a> 验证源码发布版</h2> <ul><li><p>(孵化阶段)验证是否名字中有 <code>incubating</code></p></li> <li><p>验证是否有 DISCLAIMER、NOTICE、LICENSE,以及内容是否正确。</p></li> <li><p>验证 README、RELEASE_NOTES</p></li> <li><p>验证 header</p></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn -B apache-rat:check
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>验证签名和哈希值</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>gpg2 --verify apache-iotdb-0.9.0-incubating-source-release.zip.asc apache-iotdb-0.9.0-incubating-source-release.zip
-
-出现 Good Singnature 
-
-shasum -a512 apache-iotdb-0.9.0-incubating-source-release.zip
-
-和对应的 .sha512 对比,一样就可以。
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>验证编译</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvnw.sh install
-
-应该最后全 SUCCESS
-</code></pre> <div class="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="验证二进制发布版"><a href="#验证二进制发布版" class="header-anchor">#</a> 验证二进制发布版</h2> <ul><li><p>(孵化阶段)验证是否名字中有 <code>incubating</code></p></li> <li><p>验证是否有 DISCLAIMER、NOTICE、LICENSE,以及内容是否正确。</p></li> <li><p>验证 README、RELEASE_NOTES</p></li> <li><p>验证签名和哈希值</p></li></ul> <div class="language- line-numbers-mode"><pre class [...]
-
-出现 Good Singnature 
-
-shasum -a512 apache-iotdb-0.9.0-incubating-bin.zip
-
-和对应的 .sha512 对比,一样就可以。
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>验证是否能启动以及示例语句是否正确执行</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>./sbin/start-server.sh
-
-./sbin/start-client.sh
-
-SET STORAGE GROUP TO root.turbine;
-CREATE TIMESERIES root.turbine.d1.s0 WITH DATATYPE=DOUBLE, ENCODING=GORILLA;
-insert into root.turbine.d1(timestamp,s0) values(1,1);
-insert into root.turbine.d1(timestamp,s0) values(2,2);
-insert into root.turbine.d1(timestamp,s0) values(3,3);
-select * from root;
-
-打印如下内容:
-+-----------------------------------+------------------+
-|                               Time|root.turbine.d1.s0|
-+-----------------------------------+------------------+
-|      1970-01-01T08:00:00.001+08:00|               1.0|
-|      1970-01-01T08:00:00.002+08:00|               2.0|
-|      1970-01-01T08:00:00.003+08:00|               3.0|
-+-----------------------------------+------------------+
-
-</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><span class="line-number [...]
-
-+1 (PMC could binding)
-
-The source release:
-Incubating in name [ok]
-Has DISCLAIMER [ok]
-LICENSE and NOTICE [ok]
-signatures and hashes [ok]
-All files have ASF header [ok]
-could compile from source: ./mvnw.sh clean install [ok]
-
-The binary distribution:
-Incubating in name [ok]
-Has DISCLAIMER [ok]
-LICENSE and NOTICE [ok]
-signatures and hashes [ok]
-Could run with the following statements [ok]
-
-SET STORAGE GROUP TO root.turbine;
-CREATE TIMESERIES root.turbine.d1.s0 WITH DATATYPE=DOUBLE, ENCODING=GORILLA;
-insert into root.turbine.d1(timestamp,s0) values(1,1);
-insert into root.turbine.d1(timestamp,s0) values(2,2);
-insert into root.turbine.d1(timestamp,s0) values(3,3);
-select * from root;
-
-Thanks,
-xxx
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-find **/src -type f -exec grep -i &quot;copyright&quot; {} \; -print | sort -u
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div style="margin-top:120px;height:10px;text-align:center;line-height:50px;width:100%;"><p style="line-height: 8px;">
-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
-      </p></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/20.bcc7a469.js" defer></script><script src="/assets/js/4.8dda7d55.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/development/format-changelist.html b/docs/.vuepress/dist/development/format-changelist.html
deleted file mode 100644
index 4121cb4..0000000
--- a/docs/.vuepress/dist/development/format-changelist.html
+++ /dev/null
@@ -1,58 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>version-1 -&gt; version-2 |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/21.b9950892.js" as="script"><link rel="preload" href="/assets/js/4.8dda7d55.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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 [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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diff --git a/docs/.vuepress/dist/development/rpc-changelist.html b/docs/.vuepress/dist/development/rpc-changelist.html
deleted file mode 100644
index b816f60..0000000
--- a/docs/.vuepress/dist/development/rpc-changelist.html
+++ /dev/null
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-        Copyright © 2020 The Apache Software Foundation. 
-       </p> <p style="line-height: 8px;">Apache and the Apache feather logo are trademarks of The Apache Software Foundation
-       </p> <p style="text-align:justify!important;">
-        Disclaimer: Apache IoTDB (incubating) (Database for Internet of Things) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the complet [...]
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Content.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Content.html
deleted file mode 100644
index 593dfbe..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Content.html
+++ /dev/null
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-<!DOCTYPE html>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Get Started/1-QuickStart.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Get Started/1-QuickStart.html
deleted file mode 100644
index f93ea0e..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Get Started/1-QuickStart.html	
+++ /dev/null
@@ -1,128 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Quick Start |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/24.1bd53b76.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-&gt; sbin/start-server.sh
-
-# Windows
-&gt; sbin\start-server.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><h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic st [...]
-default user to login Cli to use IoTDB. The startup script of Cli is the start-client script in the folder sbin. When executing the script, user should assign<br>
-IP, PORT, USER_NAME and PASSWORD. The default parameters are &quot;-h 127.0.0.1 -p 6667 -u root -pw -root&quot;.</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
-&gt; sbin/start-client.sh -h 127.0.0.1 -p 6667 -u root -pw root
-
-# Windows
-&gt; sbin\start-client.bat -h 127.0.0.1 -p 6667 -u root -pw 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><p>The command line client is interactive so if everything is ready you should see the welcome logo and statements:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
-|_   _|     |  _   _  ||_   _ `.|_   _ \
-  | |   .--.|_/ | | \_|  | | `. \ | |_) |
-  | | / .'`\ \  | |      | |  | | |  __'.
- _| |_| \__. | _| |_    _| |_.' /_| |__) |
-|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
-
-
-IoTDB&gt; login successfully
-IoTDB&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="basic-commands-for-iotdb"><a href="#basic-c [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We can also use SHOW STORAGE GROUP to check created storage group:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SHOW STORAGE GROUP
-+-----------------------------------+
-|                      Storage Group|
-+-----------------------------------+
-|                            root.ln|
-+-----------------------------------+
-storage group number = 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><span class="line-number">7</span><br></div></div><p>After the storage group is set, we can use CREATE TIMESERIES to create new timeseries. When we create a timeseries, we should define its data type and the encoding [...]
-IoTDB&gt; CREATE TIMESERIES root.ln.wf01.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></div></div><p>In order to query the specific timeseries, we can use SHOW TIMESERIES . represent the path of the timeseries. Its default value is null, which means quering all the timeseries in the system(the same as using &quot;SHOW TIMESERIES root&quot;). Here are the examples:</p> <ol><li>Querying all timeseries in the system:</li></ol> <div class="language- line [...]
-+-------------------------------+---------------+--------+--------+
-|                     Timeseries|  Storage Group|DataType|Encoding|
-+-------------------------------+---------------+--------+--------+
-|       root.ln.wf01.wt01.status|        root.ln| BOOLEAN|   PLAIN|
-|  root.ln.wf01.wt01.temperature|        root.ln|   FLOAT|     RLE|
-+-------------------------------+---------------+--------+--------+
-Total timeseries number = 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></div></div><ol><li>Querying a specific timeseries(root.ln.wf01.wt01.status):</li></ol> <div class="language- line-numbers-mode"><pre class= [...]
-+------------------------------+--------------+--------+--------+
-|                    Timeseries| Storage Group|DataType|Encoding|
-+------------------------------+--------------+--------+--------+
-|      root.ln.wf01.wt01.status|       root.ln| BOOLEAN|   PLAIN|
-+------------------------------+--------------+--------+--------+
-Total timeseries number = 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><span class="line-number">7</span><br></div></div><p>Insert timeseries data is the basic operation of IoTDB, you can use ‘INSERT’ command to finish this. Before inserting you should assign the timestamp and the suffi [...]
-IoTDB&gt; INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) values(200,false,20.71)
-</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 data we’ve just inserted displays like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SELECT status FROM root.ln.wf01.wt01
-+-----------------------+------------------------+
-|                   Time|root.ln.wf01.wt01.status|
-+-----------------------+------------------------+
-|1970-01-01T08:00:00.100|                    true|
-|1970-01-01T08:00:00.200|                   false|
-+-----------------------+------------------------+
-Total line number = 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></div></div><p>We can also query several timeseries data at once like this:</p> <div class="language- line-numbers-mode"><pre class="languag [...]
-+-----------------------+--------------------------+-----------------------------+
-|                   Time|  root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
-+-----------------------+--------------------------+-----------------------------+
-|1970-01-01T08:00:00.100|                      true|                         null|
-|1970-01-01T08:00:00.200|                     false|                        20.71|
-+-----------------------+--------------------------+-----------------------------+
-Total line number = 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></div></div><p>The commands to exit the Cli is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; quit
-or
-IoTDB&gt; exit
-</code></pre> <div class="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>For more on what commands are supported by IoTDB SQL, see <a href="https://iotdb.apache.org/#/Documents/progress/chap5/sec4" target="_blank" rel="noopener noreferrer">SQL Reference<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon out [...]
-&gt; sbin/stop-server.sh
-
-# Windows
-&gt; sbin\stop-server.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="only-build-client"><a href="#only-build-client" class="header-anchor">#</a> Only build client</h2> <p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB client will be at the folder &quot;client/target/iotdb-client-{project.version}&quot;.</p></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/24.1bd53b76.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Get Started/2-Frequently asked questions.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/0-Get Started/2-Frequently asked questions.html
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-<!DOCTYPE html>
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-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Frequently Asked Questions |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
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- _____       _________  ______   ______    
-|_   _|     |  _   _  ||_   _ `.|_   _ \   
-  | |   .--.|_/ | | \_|  | | `. \ | |_) |  
-  | | / .'`\ \  | |      | |  | | |  __'.  
- _| |_| \__. | _| |_    _| |_.' /_| |__) | 
-|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;x.x.x&lt;/version&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use JDBC API:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>String iotdbVersion = tsfileDatabaseMetadata.getDatabaseProductVersion();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use Command Line Interface:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show version
-show version
-+---------------+
-|version        |
-+---------------+
-|x.x.x          |
-+---------------+
-Total line number = 1
-It costs 0.241s
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="where-can-i-find-iotdb-logs"><a href="#where-can-i-find-iotdb-logs" class="header- [...]
-/workspace/incubator-iotdb
-
-$ ls -l
-server/
-client/
-pom.xml
-Readme.md
-...
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Let <code>$IOTDB_HOME = /workspace/incubator-iotdb/server/target/iotdb-server-{project. [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the result, there will be a statement shows <code>Total timeseries number</code>, this number is the timeseries number in IoTDB.</p> <p>In the current version, IoTDB supports querying the number of time series. Use IoTDB's Command Line Interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; count timeseries root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you are using Linux, you can use the following shell command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; grep &quot;0,root&quot; $IOTDB_HOME/data/system/schema/mlog.txt |  wc -l
-&gt;   6
-</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="can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb"><a href="#can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb" class="header-anchor">#</a> Can I use Hadoop and Spark to read TsFile in IoTDB?</h2> <p>Yes. IoTDB has intense integration with Open Source Ecosystem. IoTDB supports <a href="https://github.com/apache/incubator-iotdb/tree/master/hadoo [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to query specific sensor, you can replace the &lt;timeseries path&gt; with the sensor name. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.s1
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Otherwise, you can also use wildcard in timeseries path:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.*
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-can-i-change-iotdb-s-client-time-display-format"><a href="#how-can-i-change-iotdb-s-client-time-display-format" class="header-anchor">#</a> How can I change IoTDB's Client time display format?</h2> <p>The default IoTDB's Client time display format is human readable (e.g. <code>1970-01-01T08:00:00.001</code>), if you want to display time in timestamp type or other readable format, [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/1-What is IoTDB.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/1-What is IoTDB.html
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/1-What is IoTDB.html	
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/27.a27ec1a9.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/2-Architecture.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/2-Architecture.html
deleted file mode 100644
index 3a7fa67..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/2-Architecture.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Architecture |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/28.41b1ff16.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-        ←
-        <a href="/document/V0.8.x/UserGuide/1-Overview/1-What is IoTDB.html" class="prev">
-          What is IoTDB
-        </a></span> <span class="next"><a href="/document/V0.8.x/UserGuide/1-Overview/3-Scenario.html">
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-        </a>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/3-Scenario.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/3-Scenario.html
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/3-Scenario.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Scenario |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/29.d574dad4.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/4-Features.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/4-Features.html
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/1-Overview/4-Features.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
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-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
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-    <meta name="description" content=" ">
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-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-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 &quot;*&quot; and DOT is &quot;.&quot;.</p> <p>We call the middle part of a path between two &quot;.&quot; 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 [...]
-<table><thead><tr><th style="text-align:left;">format</th></tr></thead> <tbody><tr><td style="text-align:left;">yyyy-MM-dd HH:mm:ss</td></tr> <tr><td style="text-align:left;">yyyy/MM/dd HH:mm:ss</td></tr> <tr><td style="text-align:left;">yyyy.MM.dd HH:mm:ss</td></tr> <tr><td style="text-align:left;">yyyy-MM-dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:left;">yyyy/MM/dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:left;">yyyy.MM.dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:lef [...]
-<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 (&gt;=0)</td> <td  [...]
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/31.ac4b5565.js" defer></script>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/2-Data Type.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/2-Data Type.html
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-<!DOCTYPE html>
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-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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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></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/3-Encoding.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/3-Encoding.html
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-<!DOCTYPE html>
-<html lang="en-US">
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-    <meta charset="utf-8">
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-    <meta name="description" content=" ">
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/4-Compression.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/4-Compression.html
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@@ -1,53 +0,0 @@
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-  Thanks
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-  confluence
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/1-Sample Data.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/1-Sample Data.html
deleted file mode 100644
index 1ff69d2..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/1-Sample Data.html	
+++ /dev/null
@@ -1,53 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Sample Data |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/35.0151ef6a.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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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-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
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-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-IoTDB &gt; set storage group to 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 there  [...]
-Msg: org.apache.iotdb.exception.MetadataErrorException: org.apache.iotdb.exception.PathErrorException: The prefix of root.ln.wf01 has been set to the 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><h3 id="show-storage-group"><a href="#show-storage-group" class="header-anchor">#</a> Show Storage Group</h3> <p>After the storage group is created, we can use the <a href="/document/V0.8.x/UserGuide/5-IoTDB SQL Documentation/1-IoTDB Query Statement.html">SHOW STORAGE GROUP</a> statement to view all the storage groups. The SQL statement is as follows:</p [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is as follows:
-<center><img src="https://user-images.githubusercontent.com/13203019/51577338-84c70600-1ef4-11e9-9dab-605b32c02836.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h3 id="timeseries-creation"><a href="#timeseries-creation" class="header-anchor">#</a> Timeseries Creation</h3> <p>According to the storage model selected before, we can create corresponding timeseries in the two storage groups respectively. The SQL state [...]
-IoTDB &gt; create timeseries root.ln.wf01.wt01.temperature with datatype=FLOAT,encoding=RLE
-IoTDB &gt; create timeseries root.ln.wf02.wt02.hardware with datatype=TEXT,encoding=PLAIN
-IoTDB &gt; create timeseries root.ln.wf02.wt02.status with datatype=BOOLEAN,encoding=PLAIN
-IoTDB &gt; create timeseries root.sgcc.wf03.wt01.status with datatype=BOOLEAN,encoding=PLAIN
-IoTDB &gt; 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>It is worth noting that when in the CRATE TIMESERIES statement the encoding method conflicts with the data type, the system will give the corresponding error prompt as shown below:</p> <div class="lang [...]
-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="/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/3-Encoding.html">Encoding</a> for correspondence between data type and encoding.</p> <h3 id="show-timeseries"><a href="#show-timeseries" class="header-anchor">#</a> Show Timeseries</h3> <p>Currently, IoTDB supports two ways of viewing timeseries:</p> <ul><li>SHO [...]
-IoTDB&gt; 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 respectly:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577347-8db7d780-1ef4-11e9-91d6-764e58c10e94.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <center><img src="https://user-images.githubusercontent.com/13203019/51577359- [...]
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/3-Data Import.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/3-Data Import.html
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-IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1, &quot;v1&quot;)
-</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 &quot;true&quot; into the timeseries <code>root.ln.wf02.wt02.status</code> and inserts the long integer timestamp and the value &quot;v1&quot; 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>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 &gt; select * from root.ln.wf02 where time &lt; 3
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below. From the query results, it can be seen that the insertion statements of single column and multi column data are performed correctly.</p> <center><img src="https://user-images.githubusercontent.com/13203019/51605021-c2ee1500-1f48-11e9-8f6b-ba9b48875a41.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></cen [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Because <code>root.ln.wf02.wt02. temperature</code> does not exist, the system will return the following ERROR information:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: Current deviceId[root.ln.wf02.wt02] does not contains measurement:temperature
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the data type inserted by the user is inconsistent with the corresponding data type of the timeseries, for example, execute the following command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1,100)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The system will return the following ERROR information:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>error: The TEXT data type should be covered by &quot; or '
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/4-Data Query.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/4-Data Query.html
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-</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 &quot;2017-11-01T00:08:00.000&quot; be selected.</p> <p>The execution result of this SQL statement is as follows:</p> <center><img src="https://user-images.githubu [...]
-</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 &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires that the status and temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The execution result of this SQL statement is [...]
-<center><img src="https://user-images.githubusercontent.com/23614968/61280328-40a12800-a7ea-11e9-85b9-3b8db67673a3.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h3 id="select-multiple-columns-of-data-for-the-same-device-according-to-multiple-time-intervals"><a href="#select-multiple-columns-of-data-for-the-same-device-according-to-multiple-time-intervals" class="header-anchor">#</a> Select Multiple Columns of Dat [...]
-</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 &quot;status&quot; and &quot;temperature&quot;; the statement specifies two different time intervals, namely &quot;2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000&quot; and &quot;2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000&quot;. The SQL statement requires that the values of se [...]
-<center><img src="https://user-images.githubusercontent.com/23614968/61280449-780fd480-a7ea-11e9-8ed0-70fa9dfda80f.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h3 id="choose-multiple-columns-of-data-for-different-devices-according-to-multiple-time-intervals"><a href="#choose-multiple-columns-of-data-for-different-devices-according-to-multiple-time-intervals" class="header-anchor">#</a> Choose Multiple Columns of [...]
-</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 &quot;the power supply status of ln group wf01 plant wt01 device&quot; and &quot;the hardware version of ln group wf02 plant wt02 device&quot;; the statement specifies two different time intervals, namely &quot;2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000&quot; and &quot;2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000&quot;. The SQL [...]
-<center><img src="https://user-images.githubusercontent.com/13203019/51577450-dcfe0800-1ef4-11e9-9399-4ba2b2b7fb73.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h2 id="down-frequency-aggregate-query"><a href="#down-frequency-aggregate-query" class="header-anchor">#</a> Down-Frequency Aggregate Query</h2> <p>This section mainly introduces the related examples of down-frequency aggregation query, using the <a href= [...]
-**Figure 3.2 The actual meanings of the three types of parameters**</center> <h3 id="down-frequency-aggregate-query-without-specifying-the-time-axis-origin-position"><a href="#down-frequency-aggregate-query-without-specifying-the-time-axis-origin-position" class="header-anchor">#</a> Down-Frequency Aggregate Query without Specifying the Time Axis Origin Position</h3> <p>The SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select count(status [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user does not specify the time axis origin position, the GROUP BY statement will by default set the origin at 0 (+0 time zone) on January 1, 1970.</p> <p>The first parameter of the GROUP BY statement above is the time interval for dividing the time axis. Taking this parameter (1d) as time interval and the default origin as the dividing origin, the time axis i [...]
-</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 time axis origin position parameter as 2017-11-03 00:00:00, the GROUP BY statement will set the origin at 0 (system default time zone) on November 3, 2017.</p> <p>The first parameter of the GROUP BY statement above is the time interval for dividing the time axis. Taking this parameter (1d) as time interval and the speicified origin as the d [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user does not specify the time axis origin position, the GROUP BY statement will by default set the origin at 0 (+0 time zone) on January 1, 1970.</p> <p>The first parameter of the GROUP BY statement above is the time interval for dividing the time axis. Taking this parameter (1d) as time interval and the default origin as the dividing origin, the time axis i [...]
-</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 of 2017-11-01T16:37:50.000 (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="/document/V0.8.x/UserGuide/3-Operation Manual/1-Sample Data.html">sample data [...]
-<center><img src="https://user-images.githubusercontent.com/13203019/51577616-67df0280-1ef5-11e9-9dff-2eb8342074eb.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <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:
-<center><img src="https://user-images.githubusercontent.com/13203019/51577679-9f4daf00-1ef5-11e9-8d8b-06a58de6efc1.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <ul><li>Linear Method</li></ul> <p>When the value of the queried timestamp is null, the value of the previous and the next timestamp is used to fill the blank. The formalized linear method is as follows:</p> <div class="language- line-numbers-mode"><pre cl [...]
-</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; [...]
-</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 2017-11-01T16:39:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 20 [...]
-<center><img src="https://user-images.githubusercontent.com/13203019/51577727-d4f29800-1ef5-11e9-8ff3-3bb519da3993.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="correspondence-between-data-type-and-fill-method"><a href="#correspondence-between-data-type-and-fill-method" class="header-anchor">#</a> Correspondence between Data Type and Fill Method</h4> <p>Data types and the supported fill methods are shown i [...]
-<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, 0</td></tr> <tr><td style="text-align:left;">int32</td> <td style="text-align:left;">linear, 0, 0</td></tr> <tr><td style="text-align:left;">int64</td> <td style="text-align:left;">linear, 0, 0</td></tr> <tr><td style="text-align:left;">float</td> <td sty [...]
-</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 &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires the first 10 rows of the query result be returned.</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577752-efc50c80-1ef5-11e9-9071-da2bbd8b9bdd.jpg" styl [...]
-</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 &quot;status&quot; and &quot;temperature&quot;. 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> <center><img src="https://user-images.githubusercontent.com/13203019/51577773-08352700-1ef6 [...]
-</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 &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires rows 3 to 4 of  the status and temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be returned (with the first row numbered as row 0).</p [...]
-</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> <center><img src="https://user-images.githubusercontent.com/13203019/51577796-1e42e780-1ef6-11e9-8987-be443000a77e.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:b [...]
-</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> <center><img src="https://user-images.githubusercontent.com/19167280/61517266-6e2fe080-aa39-11e9-8015-154a8e8ace30.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <h3 id="column-control-over-query-results"><a href="#column- [...]
-</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 &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The result is shown below:</p> <center><img src [...]
-</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 &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The result is shown below:</p> <center><img src=" [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577840-44688780-1ef6-11e9-8abc-04ae78efa85b.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <ul><li>Example 4: SLIMIT clause combined with FILL clause</li></ul> <p>The SQL statement is:</p> <div class="language- line-num [...]
-</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> <center><img src="https://user-images.githubusercontent.com/13203019/51577855-4d595900-1ef6-11e9-8541-a4accd714b75.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;ma [...]
-</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:
-<center><img src="https://user-images.githubusercontent.com/13203019/51577867-577b5780-1ef6-11e9-978c-e02c1294bcc5.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h3 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 Query Results</h3> <p>In addition to row or column control over query results, IoTDB allows  [...]
-</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> <center><img src="https://user-images.githubuserc [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51578187-ad9cca80-1ef7-11e9-897a-83e66a0f3d94.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter N/SN of LIMIT/SLIMIT clause exceeds the allowable maximum value (N/SN is of type int32), the system will p [...]
-</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> <center><img src="https://user-images.githubusercontent.com/19167280/61517469-e696a180-aa39-11e9-8ca5-42ea991d520e.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter N/SN of LIMIT/SLIMIT clause is not a p [...]
-</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> <center><img src="https://user-images.githubusercontent.com/19167280/61518094-68d39580-aa3b-11e9-993c-fc73c27540f7.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter OFFSET of LIMIT clause exceeds the siz [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:
-<center><img src="https://user-images.githubusercontent.com/13203019/51578227-c60ce500-1ef7-11e9-98eb-175beb8d4086.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <p>When the parameter SOFFSET of SLIMIT clause is not smaller than the number of available timeseries, the system will prompt errors. For example, executing the following SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text [...]
-</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:
-<center><img src="https://user-images.githubusercontent.com/13203019/51578237-cd33f300-1ef7-11e9-9aef-2a717c56ab54.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/5-Data Maintenance.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/5-Data Maintenance.html
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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>It should be noted that when the updated data type does not match the actual data type, IoTDB will give the corresponding error prompt as shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; update root.ln.wf02 set wt02.status = 1205 where time &lt; now()
-error: The BOOLEAN data type should be true/TRUE or false/FALSE
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>When the updated path does not exist, IoTDB will give the corresponding error prompt as shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; update root.ln.wf02 set wt02.sta = false where time &lt; now()
-Msg: do not select any existing series
-</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="data-deletion"><a href="#data-deletion" class="header-anchor">#</a> Data Deletion</h2> <p>Users can delete data that meet the deletion condition in the specified timeseries by using the <a href="/document/V0.8.x/UserGuide/5-IoTDB SQL Documentation/1-IoTDB Query Statement.html">DELETE statement</a>. When deleting data, users can select one or more [...]
-</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>When 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="/document/V0.8.x/UserGuide/2-Concept Key Concepts and Terminology/1-Key Concepts and Terminology.html">the  [...]
-</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 &lt;= 2017-11-01T16:26:00;
-</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 give the corresponding error prompt as shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; delete from root.ln.wf03.wt02.status where time &lt; now()
-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></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/6-Priviledge Management.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/3-Operation Manual/6-Priviledge Management.html
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-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
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>As can be seen from the result shown below, the two users have been created:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51578263-e2a91d00-1ef7-11e9-94e8-28819b6fea87.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <h3 id="grant-user-priviledge"><a href="#grant-user-priviledge" class="header- [...]
-</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> <center><img src="https://user-images.githubusercontent.com/13203019/51597609-9af5b600-1f36-11e9-9460-8ab185eb4735.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>Now, we grant the two users write priviledges to the corr [...]
-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:
-<center><img src="https://user-images.githubusercontent.com/13203019/51578942-33ba1080-1efa-11e9-891c-09d69791aff1.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h2 id="other-instructions"><a href="#other-instructions" class="header-anchor">#</a> Other Instructions</h2> <h3 id="the-relationship-among-users-priviledges-and-roles"><a href="#the-relationship-among-users-priviledges-and-roles" class="header-anchor">#< [...]
-<table><thead><tr><th style="text-align:left;">Priviledge Name</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">SET_STORAGE_GROUP</td> <td style="text-align:left;">create timeseries; set storage groups; path dependent</td></tr> <tr><td style="text-align:left;">INSERT_TIMESERIES</td> <td style="text-align:left;">insert data; path dependent</td></tr> <tr><td style="text-align:left;">UPDATE_TIMESERIES</td> <td style="text-align:left; [...]
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/1-Deployment.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/1-Deployment.html
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-<!DOCTYPE html>
-<html lang="en-US">
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-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Deployment |  </title>
-    <meta name="description" content=" ">
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-iotdb-&lt;version&gt;.tar.gz # For Linux or MacOS
-iotdb-&lt;version&gt;.zip # For Windows
-</code></pre> <div class="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 downloading, you can extract the IoTDB tarball using the following operations:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell &gt; uzip iotdb-&lt;version&gt;.zip # For Windows
-Shell &gt; tar -zxf iotdb-&lt;version&gt;.tar.gz # For Linux or MacOS
-</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 IoTDB project will be at the subfolder named iotdb. The folder will include the following contents:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>iotdb/     &lt;-- root path
-|
-+- sbin/       &lt;-- script files
-|
-+- conf/      &lt;-- configuration files
-|
-+- lib/       &lt;-- project dependencies
-|
-+- LICENSE    &lt;-- LICENSE
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="installation-from-source-code"><a href="#installation-from-source-code" class="hea [...]
-/workspace/incubator-iotdb
-
-&gt; ls -l
-incubator-iotdb/     &lt;-- root path
-|
-+- server/
-|
-+- jdbc/
-|
-+- client/
-|
-...
-|
-+- pom.xml
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-then by default <code>IOTDB_HOME</code> is the direct parent directory of <code>sbin/start-server.sh</code> on Unix/OS X
-(or that of <code>sbin\start-server.bat</code> on Windows).</p></li> <li><p>if <code>IOTDB_CLI_HOME</code> is not explicitly assigned,
-then by default <code>IOTDB_CLI_HOME</code> is the direct parent directory of <code>sbin/start-client.sh</code> on
-Unix/OS X (or that of <code>sbin\start-client.bat</code> on Windows).</p></li></ul> <p>If you are not the first time that building IoTDB, remember deleting the following files:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; rm -rf $IOTDB_HOME/data/
-&gt; rm -rf $IOTDB_HOME/lib/
-</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 under the root path of incubator-iotdb, you can build IoTDB using Maven:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; pwd
-/workspace/incubator-iotdb
-
-&gt; mvn clean package -pl server -am -Dmaven.test.skip=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><span class="line-number">4</span><br></div></div><p>If successful, you will see the the following text in the terminal:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>[INFO] ------------------------------------------------------------------------
-[INFO] Reactor Summary:
-[INFO]
-[INFO] Apache IoTDB (incubating) Project Parent POM ....... SUCCESS [  6.405 s]
-[INFO] TsFile ............................................. SUCCESS [ 10.435 s]
-[INFO] Service-rpc ........................................ SUCCESS [  4.170 s]
-[INFO] IoTDB Jdbc ......................................... SUCCESS [  3.252 s]
-[INFO] IoTDB Server ....................................... SUCCESS [  8.072 s]
-[INFO] ------------------------------------------------------------------------
-[INFO] BUILD SUCCESS
-[INFO] ------------------------------------------------------------------------
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Otherwise [...]
-|
-+- sbin/       &lt;-- script files
-|
-+- conf/      &lt;-- configuration files
-|
-+- lib/       &lt;-- project 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><h2 id="installation-by-docker-dockerfile"><a href="#installation-by-docker-dockerfile" class="header-anchor">#</a> Installation by Docker (Dockerfile)</h2> <p>You ca [...]
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/41.05e1a300.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/2-Configuration.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/2-Configuration.html
deleted file mode 100644
index 4b2ed14..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/2-Configuration.html	
+++ /dev/null
@@ -1,54 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Configuration |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/42.79eeffbf.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
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-<ul><li><code>tsfile-format.properties</code>: The default configuration file for the IoTDB file layer configuration item. Users can configure the information about the TsFile, such as the data size written to the disk per time(<code>group_size_in_byte</code>).</li> <li><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 JDBC service listening port  [...]
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/3-System Monitor.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/3-System Monitor.html
deleted file mode 100644
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/3-System Monitor.html	
+++ /dev/null
@@ -1,57 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
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-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
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-This section describes how to use the JConsole <code>Mbean</code> tab to monitor the number of files opened by the IoTDB service process, the size of the data file, and so on. Once connected to JMX, you can find the <code>MBean</code> named <code>org.apache.iotdb.service</code> through the <code>MBeans</code> tab, as shown in the following Figure.</p> <img src="https://user-images.githubusercontent.com/20263106/53316064-54aec080-3901-11e9-9a49-76563ac09192.png" style="width:100%; max-wid [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to know the successfule writing points number of root.ln (storage group), here is the query statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select TOTAL_POINTS_SUCCESS from root.stats.write.root_ln
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to know the current timeseries point in the system, you can use <code>MAX_VALUE</code> function to query. Here is the query statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select MAX_VALUE(TOTAL_POINTS_SUCCESS) from root.stats.write.root_ln
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="file-size-monitor"><a href="#file-size-monitor" class="header-anchor">#</a> File Size Monitor</h3> <p>Sometimes we are concerned about how the data file size of IoTDB is changing, maybe to help calculate how much disk space is left or the data ingestion speed. The File Size Monitor provides several statistics to show how different types of file-sizes change.</p> <p>The file size moni [...]
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/4-Performance Monitor.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/4-Performance Monitor.html
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  github documents
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-<table><thead><tr><th style="text-align:left;">Parameter</th> <th style="text-align:left;">Default Value</th> <th style="text-align:left;">Description</th></tr></thead> <tbody><tr><td style="text-align:left;">enable_performance_stat</td> <td style="text-align:left;">false</td> <td style="text-align:left;">Is stat performance of sub-module enable.</td></tr> <tr><td style="text-align:left;">performance_stat_display_interval</td> <td style="text-align:left;">60000</td> <td style="text-align [...]
-</code></pre> <p>Add timing code in the monitoring stop area:</p> <pre><code>Measurement.INSTANCE.addOperationLatency(Operation, t0);
-</code></pre></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/44.80cb8e78.js" defer></script>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/5-System log.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/5-System log.html
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/5-System log.html	
+++ /dev/null
@@ -1,55 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>System log |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/45.259533ee.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
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-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-<img src="https://user-images.githubusercontent.com/13203019/51577204-fe122900-1ef3-11e9-9e89-2eb1d46e24b8.png" style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;"></p> <p>In the JMXConfigurator Window, there are 6 operation provided for you, as shown in fig 4.3. You can use there interface to perform operation.</p> <img src="https://user-images.githubusercontent.com/13203019/51577216-09fdeb00-1ef4-11e9-9005-542ad7d9e9e0.png" style=" [...]
-It should be noted that the difference between this method and the <code>getLoggerEffectiveLevel</code> method is that the method returns the log level that the specified Logger is set in the configuration file. If the user does not set the log level for the Logger. , then return empty. According to Logre's log-level inheritance mechanism, if a Logger is not displayed to set the log level, it will inherit the log level settings from its nearest ancestor. At this point, calling the <code> [...]
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/45.259533ee.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/6-Data Management.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/6-Data Management.html
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-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Data Management |  </title>
-    <meta name="description" content=" ">
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-tsfile_dir = E:\\iotdb\\data\\data1, data\\data2, F:\\data3 
-mult_dir_strategy = MaxDiskUsableSpaceFirstStrategy
-sys_dir = data\\system
-wal_dir = data
-
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>After setting the configuration, the system will:</p> <ul><li>Save all data files except TsFile in D:\iotdb\data\data</li> <li>Save TsFile in E:\iotdb\data\data1, $IOTDB_HOME\data\data2 and F:\data3. A [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You need to move files in E:\iotdb\data\data1 to D:\data4, move files in %IOTDB_HOME%\data\data2 to E:\data5, move files in F:\data3 to F:\data6. In this way, the system will operation normally.</p></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/4-Deployment and Management/7-Build and use IoTDB by Dockerfile.html
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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ git clone https://github.com/apache/incubator-iotdb
-$ cd incubator-iotdb
-$ cd docker
-$ docker build -t iotdb:base .
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Once the docker image has been built locally (the tag is iotdb:base in this example), you are almost done!</p> <ol start="2"><li>create docker volume for data files and logs:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker volume cr [...]
-$ docker volume create mylogs
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ol start="3"><li>run a docker container:</li></ol> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ docker run -p <span class="token number">6667</span>:6667 -v mydata:/iotdb/data -v mylogs:/iotdb/logs -d iotdb:base /iotdb/bin/start-server.sh
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If success, you can run <code>docker ps</code>, and get something like the following:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
-2a68b6944cb5        iotdb:base          &quot;/iotdb/bin/start-se…&quot;   4 minutes ago       Up 5 minutes        0.0.0.0:6667-&gt;6667/tcp              laughing_meitner
-</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 use the above command to get the container ID:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker container ls
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the ID is &lt;C_ID&gt;.</p> <p>And get the docker IP by:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker inspect --format='{{.NetworkSettings.IPAddress}}' &lt;C_ID&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the IP is &lt;C_IP&gt;.</p> <ol start="4"><li>If you just want to have a try by using iotdb-cli, you can:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker exec -it /bin/bash  &lt;C_ID&gt;
-$ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p 6667 -u root -pw 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>Or,  run a new docker container as the client:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker run -it iotdb:base /cli/sbin/start-client.sh -h &lt;C_IP&gt; -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or,  if you have a iotdb-cli locally (e.g., you have compiled the source code by <code>mvn package</code>), and suppose your work_dir is cli/bin, then you can just run:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ start-client.sh -h localhost -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ol start="5"><li>If you want to write codes to insert data and query data, please add the following dependence:</li></ol> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code>        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>iotdb-jdbc<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>0.8.2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
-        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</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><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Some example about how to use IoTDB with IoTDB-JDBC can be found at: https://github.com/apache/incubator-iotdb/tree/master/jdbc/src/test/java/org/apache/iotdb/jdbc/demo</p> <ol start="6"><li>Now enjoy it!</li></ol></div> <div class="page-e [...]
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-Eg: IoTDB <span class="token operator">&gt;</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: PrefixPath 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>Create Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE TIMESERIES &lt;Timeseries&gt; WITH &lt;AttributeClauses&gt;
-AttributeClauses : DATATYPE=&lt;DataTypeValue&gt; COMMA ENCODING=&lt;EncodingValue&gt; [COMMA &lt;ExtraAttributeClause&gt;]*
-DataTypeValue: BOOLEAN | DOUBLE | FLOAT | INT32 | INT64 | TEXT
-EncodingValue: GORILLA | PLAIN | RLE | TS_2DIFF | REGULAR
-ExtraAttributeClause: {
-	COMPRESSOR = &lt;CompressorValue&gt;
-	MAX_POINT_NUMBER = Integer
-}
-CompressorValue: UNCOMPRESSED | SNAPPY
-Eg: IoTDB &gt; CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN
-Eg: IoTDB &gt; CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE
-Eg: IoTDB &gt; CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, COMPRESSOR=SNAPPY, MAX_POINT_NUMBER=3
-Note: Datatype and encoding type must be corresponding. Please check Chapter 3 Encoding Section for details.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 &gt; DELETE TIMESERIES root.ln.wf01.wt01.status
-Eg: IoTDB &gt; DELETE TIMESERIES root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature
-Eg: IoTDB &gt; DELETE TIMESERIES root.ln.wf01.wt01.*
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 All Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES
-Eg: IoTDB &gt; 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 &lt;Path&gt;
-Eg: IoTDB &gt; SHOW TIMESERIES root
-Eg: IoTDB &gt; SHOW TIMESERIES root.ln
-Eg: IoTDB &gt; SHOW TIMESERIES root.ln.*.*.status
-Eg: IoTDB &gt; SHOW TIMESERIES root.ln.wf01.wt01.status
-Note: The path can be prefix path, star path or timeseries 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></div></div><ul><li>Show Storage Group Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW STORAGE GROUP
-Eg: IoTDB &gt; 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><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 &lt;PrefixPath&gt; LPAREN TIMESTAMP COMMA &lt;Sensor&gt; [C [...]
-Sensor : Identifier
-Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)
-Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,status) VALUES(NOW(), false)
-Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,temperature) VALUES(2017-11-01T00:17:00.000+08:00,24.22028)
-Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp, status, temperature) VALUES (1509466680000, false, 20.060787);
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-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></div></div><ul><li>Update Record Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>UPDATE &lt;U [...]
-UpdateClause: &lt;prefixPath&gt;
-SetClause: &lt;SetExpression&gt; 
-SetExpression: &lt;Path&gt; EQUAL &lt;PointValue&gt;
-WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
-Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
-Expression : [NOT | !]? TIME PrecedenceEqualOperator &lt;TimeValue&gt;
-Eg: IoTDB &gt; UPDATE root.ln.wf01.wt01 SET temperature = 23 WHERE time &lt; NOW() and time &gt; 2017-11-1T00:15:00+08:00
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-Eg: DELETE FROM root.ln.wf01.wt01.temperature WHERE time &lt; 2017-11-1T00:05:00+08:00
-Eg: DELETE FROM root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature WHERE time &lt; NOW()
-Eg: DELETE FROM root.ln.wf01.wt01.* WHERE time &lt; 1509466140000
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Select Record Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT &lt;SelectClause&gt; FROM &lt;FromClause&gt; [WHERE &lt;WhereClause&gt;]?
-SelectClause : &lt;SelectPath&gt; (COMMA &lt;SelectPath&gt;)*
-SelectPath : &lt;FUNCTION&gt; LPAREN &lt;Path&gt; RPAREN | &lt;Path&gt;
-FUNCTION : ‘COUNT’ , ‘MIN_TIME’, ‘MAX_TIME’, ‘MIN_VALUE’, ‘MAX_VALUE’
-FromClause : &lt;PrefixPath&gt; (COMMA &lt;PrefixPath&gt;)?
-WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
-Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
-Expression : [NOT | !]? &lt;TimeExpr&gt; | [NOT | !]? &lt;SensorExpr&gt;
-TimeExpr : TIME PrecedenceEqualOperator &lt;TimeValue&gt;
-SensorExpr : (&lt;Timeseries&gt; | &lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
-Eg: IoTDB &gt; SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature &lt; 24 and time &gt; 2017-11-1 0:13:00
-Eg. IoTDB &gt; SELECT * FROM root
-Eg. IoTDB &gt; SELECT COUNT(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
-Eg. IoTDB &gt; SELECT MIN_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
-Eg. IoTDB &gt; SELECT MAX_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &gt; 24
-Eg. IoTDB &gt; SELECT MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &gt; 23
-Eg. IoTDB &gt; SELECT MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
-Note: the statement needs to satisfy this constraint: &lt;Path&gt;(SelectClause) + &lt;PrefixPath&gt;(FromClause) = &lt;Timeseries&gt;
-Note: If the &lt;SensorExpr&gt;(WhereClause) is started with &lt;Path&gt; and not with ROOT, the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SensorExpr) = &lt;Timeseries&gt;
-Note: In Version 0.8.2, if &lt;WhereClause&gt; includes `OR`, time filter can not be used.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 : &lt;Function&gt; [COMMA &lt; Function &gt;]*
-Function : &lt;AggregationFunction&gt; LPAREN &lt;Path&gt; RPAREN
-FromClause : &lt;PrefixPath&gt;
-WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
-Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
-Expression : [NOT | !]? &lt;TimeExpr&gt; | [NOT | !]? &lt;SensorExpr&gt;
-TimeExpr : TIME PrecedenceEqualOperator &lt;TimeValue&gt;
-SensorExpr : (&lt;Timeseries&gt; | &lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
-GroupByClause : LPAREN &lt;TimeUnit&gt; (COMMA TimeValue)? COMMA &lt;TimeInterval&gt; (COMMA &lt;TimeInterval&gt;)* RPAREN
-TimeUnit : Integer &lt;DurationUnit&gt;
-DurationUnit : &quot;ms&quot; | &quot;s&quot; | &quot;m&quot; | &quot;h&quot; | &quot;d&quot; | &quot;w&quot;
-TimeInterval: LBRACKET &lt;TimeValue&gt; COMMA &lt;TimeValue&gt; RBRACKET
-Eg: SELECT COUNT(status), COUNT(temperature) FROM root.ln.wf01.wt01 where temperature &lt; 24 GROUP BY(5m, [1509465720000, 1509466380000])
-Eg. SELECT COUNT (status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; 1509466500000 GROUP BY(5m, 1509465660000, [1509465720000, 1509466380000])
-Eg. SELECT MIN_TIME(status), MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE temperature &lt; 25 and time &lt; 1509466800000 GROUP BY (3m, 1509465600000, [1509466140000, 1509466380000], [1509466440000, 1509466620000])
-Note: the statement needs to satisfy this constraint: &lt;Path&gt;(SelectClause) + &lt;PrefixPath&gt;(FromClause) = &lt;Timeseries&gt;
-Note: If the &lt;SensorExpr&gt;(WhereClause) is started with &lt;Path&gt; and not with ROOT, the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SensorExpr) = &lt;Timeseries&gt;
-Note: &lt;TimeValue&gt;(TimeInterval) needs to be greater than 0
-Note: First &lt;TimeValue&gt;(TimeInterval) in needs to be smaller than second &lt;TimeValue&gt;(TimeInterval)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 : &lt;Path&gt; [COMMA &lt;Path&gt;]*
-FromClause : &lt; PrefixPath &gt; [COMMA &lt; PrefixPath &gt;]*
-WhereClause : &lt;WhereExpression&gt;
-WhereExpression : TIME EQUAL &lt;TimeValue&gt;
-FillClause : LPAREN &lt;TypeClause&gt; [COMMA &lt;TypeClause&gt;]* RPAREN
-TypeClause : &lt;Int32Clause&gt; | &lt;Int64Clause&gt; | &lt;FloatClause&gt; | &lt;DoubleClause&gt; | &lt;BoolClause&gt; | &lt;TextClause&gt;
-Int32Clause: INT32 LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-Int64Clause: INT64 LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-FloatClause: FLOAT LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-DoubleClause: DOUBLE LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-BoolClause: BOOLEAN LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-TextClause: TEXT LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
-PreviousClause : PREVIOUS [COMMA &lt;ValidPreviousTime&gt;]?
-LinearClause : LINEAR [COMMA &lt;ValidPreviousTime&gt; COMMA &lt;ValidBehindTime&gt;]?
-ValidPreviousTime, ValidBehindTime: &lt;TimeUnit&gt;
-TimeUnit : Integer &lt;DurationUnit&gt;
-DurationUnit : &quot;ms&quot; | &quot;s&quot; | &quot;m&quot; | &quot;h&quot; | &quot;d&quot; | &quot;w&quot;
-Eg: SELECT temperature FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL(float[previous, 1m])
-Eg: SELECT temperature,status FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear, 1m, 1m], boolean[previous, 1m])
-Eg: SELECT temperature,status,hardware FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear, 1m, 1m], boolean[previous, 1m], text[previous])
-Eg: SELECT temperature,status,hardware FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear], boolean[previous, 1m], text[previous])
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SelectClause) = &lt;Timeseries&gt;
-Note: Integer in &lt;TimeUnit&gt; needs to be greater than 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><span class="line-number [...]
-SelectClause : [&lt;Path&gt; | Function]+
-Function : &lt;AggregationFunction&gt; LPAREN &lt;Path&gt; RPAREN
-FromClause : &lt;Path&gt;
-WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
-Condition : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
-Expression: [NOT|!]?&lt;TimeExpr&gt; | [NOT|!]?&lt;SensorExpr&gt;
-TimeExpr : TIME PrecedenceEqualOperator &lt;TimeValue&gt;
-SensorExpr : (&lt;Timeseries&gt;|&lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
-LIMITClause : &lt;N&gt; [OFFSETClause]?
-N : NonNegativeInteger
-OFFSETClause : OFFSET &lt;OFFSETValue&gt;
-OFFSETValue : NonNegativeInteger
-SLIMITClause : &lt;SN&gt; [SOFFSETClause]?
-SN : NonNegativeInteger
-SOFFSETClause : SOFFSET &lt;SOFFSETValue&gt;
-SOFFSETValue : NonNegativeInteger
-NonNegativeInteger:= ('+')? Digit+
-Eg: IoTDB &gt; SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature &lt; 24 and time &gt; 2017-11-1 0:13:00 LIMIT 3 OFFSET 2
-Eg. IoTDB &gt; SELECT COUNT (status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; 1509466500000 GROUP BY(5m, 1509465660000, [1509465720000, 1509466380000]) LIMIT 3
-Note: The order of &lt;LIMITClause&gt; and &lt;SLIMITClause&gt; does not affect the grammatical correctness.
-Note: &lt;SLIMITClause&gt; can only effect in Prefixpath and StarPath.
-Note: &lt;FillClause&gt; can not use &lt;LIMITClause&gt; but not &lt;SLIMITClause&gt;.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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:=identifier
-Eg: IoTDB &gt; CREATE USER thulab pwd;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Delete User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP USER &lt;userName&gt;;  
-userName:=identifier
-Eg: IoTDB &gt; DROP USER xiaoming;
-</code></pre> <div class="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>Create Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE ROLE &lt;roleName&gt;;  
-roleName:=identifie
-Eg: IoTDB &gt; CREATE ROLE admin;
-</code></pre> <div class="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 Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP ROLE &lt;roleName&gt;;  
-roleName:=identifier
-Eg: IoTDB &gt; DROP ROLE admin;
-</code></pre> <div class="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>Grant User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER &lt;userName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
-userName:=identifier  
-nodeName:=identifier (DOT identifier)*  
-privileges:= string (COMMA string)*
-Eg: IoTDB &gt; 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 &lt;roleName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
-privileges:= string (COMMA string)*  
-roleName:=identifier  
-nodeName:=identifier (DOT identifier)*
-Eg: IoTDB &gt; 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 &lt;roleName&gt; TO &lt;userName&gt;;  
-roleName:=identifier  
-userName:=identifier
-Eg: IoTDB &gt; GRANT temprole TO tempuser;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Revoke User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER &lt;userName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;   
-privileges:= string (COMMA string)*  
-userName:=identifier  
-nodeName:=identifier (DOT identifier)*
-Eg: IoTDB &gt; 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 &lt;roleName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
-privileges:= string (COMMA string)*  
-roleName:= identifier  
-nodeName:=identifier (DOT identifier)*
-Eg: IoTDB &gt; 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 &lt;roleName&gt; FROM &lt;userName&gt;;
-roleName:=identifier
-userName:=identifier
-Eg: IoTDB &gt; REVOKE temproleFROM tempuser;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>List Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
-Eg: IoTDB &gt; LIST USER
-</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>List Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE
-Eg: IoTDB &gt; LIST ROLE
-</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>List Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES USER  &lt;username&gt; ON &lt;path&gt;;    
-username:=identifier    
-path=‘root’ (DOT identifier)*
-Eg: IoTDB &gt; LIST PRIVIEGES USER sgcc_wirte_user ON root.sgcc;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>List Privileges of Roles(On Specific Path)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES ROLE &lt;roleName&gt; ON &lt;path&gt;;    
-roleName:=identifier  
-path=‘root’ (DOT identifier)*
-Eg: IoTDB &gt; LIST PRIVIEGES ROLE wirte_role ON root.sgcc;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>List Privileges of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER PRIVILEGES &lt;username&gt; ;   
-username:=identifier  
-Eg: IoTDB &gt; LIST USER PRIVIEGES tempuser;
-</code></pre> <div class="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>List Privileges of Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE PRIVILEGES &lt;roleName&gt;
-roleName:=identifier
-Eg: IoTDB &gt; LIST ROLE PRIVIEGES actor;
-</code></pre> <div class="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>List Roles of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL ROLE OF USER &lt;username&gt; ;  
-username:=identifier
-Eg: IoTDB &gt; LIST ALL ROLE OF USER tempuser;
-</code></pre> <div class="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>List Users of Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL USER OF ROLE &lt;roleName&gt;;
-roleName:=identifier
-Eg: IoTDB &gt; LIST ALL USER OF ROLE roleuser;
-</code></pre> <div class="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>Update Password</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>UPDATE USER &lt;username&gt; SET PASSWORD &lt;password&gt;;
-roleName:=identifier
-password:=identifier
-Eg: IoTDB &gt; UPDATE USER tempuser SET PASSWORD newpwd;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="functions"><a href="#functions" class="header-anchor">#</a> Functions</h2> <ul><li>COUNT</li></ul> <p>The COUNT function returns the value number of timeseries(one or more) non-null values selected by the SELECT statement. The result is a signed 64-bit integer. If there a [...]
-Eg. SELECT COUNT(status), COUNT(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>FIRST</li></ul> <p>The FIRST function returns the first point value of the choosen timeseries(one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT FIRST (Path) (COMMA FIRST (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereClause&gt;]?
-Eg. SELECT FIRST (status), FIRST (temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>MAX_TIME</li></ul> <p>The MAX_TIME function returns the maximum timestamp of the choosen timeseries(one or more). The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MAX_TIME (Path) (COMMA MAX_TIME (Path))* FROM &lt;FromCl [...]
-Eg. SELECT MAX_TIME(status), MAX_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>MAX_VALUE</li></ul> <p>The MAX_VALUE function returns the maximum value(lexicographically ordered) of the choosen timeseries (one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MAX_VALUE (Path) (COMMA MAX_VALUE (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereCl [...]
-Eg. SELECT MAX_VALUE(status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>MEAN</li></ul> <p>The MEAN function returns the arithmetic mean value of the choosen timeseries over a specified period of time. The timeseries must be int32, int64, float, double type, and the other types are not to be calculated. The result is a double type number.</p> <div class="language- line-numbers-mod [...]
-Eg. SELECT MEAN (temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>MIN_TIME</li></ul> <p>The MIN_TIME function returns the minimum timestamp of the choosen timeseries(one or more). The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MIN_TIME (Path) (COMMA MIN_TIME (Path))*FROM &lt;FromCla [...]
-Eg. SELECT MIN_TIME(status), MIN_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>MIN_VALUE</li></ul> <p>The MIN_VALUE function returns the minimum value(lexicographically ordered) of the choosen timeseries (one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MIN_VALUE (Path) (COMMA MIN_VALUE (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereCl [...]
-Eg. SELECT MIN_VALUE(status),MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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>NOW</li></ul> <p>The NOW function returns the current timestamp. This function can be used in the data operation statement to represent time. The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>NOW()
-Eg. INSERT INTO root.ln.wf01.wt01(timestamp,status) VALUES(NOW(), false) 
-Eg. UPDATE root.ln.wf01.wt01 SET temperature = 23 WHERE time &lt; NOW()
-Eg. DELETE FROM root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature WHERE time &lt; NOW()
-Eg. SELECT * FROM root WHERE time &lt; NOW()
-Eg. SELECT COUNT(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; NOW()
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>SUM</li></ul> <p>The SUM function returns the sum of the choosen timeseries (one or more) over a specified period of time. The timeseries must be int32, int64, float, double type, and the other ty [...]
-Eg. SELECT SUM(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
-Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
-</code></pre> <div class="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> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-ADD, BY, COMPRESSOR, CREATE, DATATYPE, DELETE, DESCRIBE, DROP, ENCODING, EXIT, FROM, GRANT, GROUP, LABLE, LINK, INDEX, INSERT, INTO, LOAD, MAX_POINT_NUMBER, MERGE, METADATA, ON, ORDER, PASSWORD, PRIVILEGES, PROPERTY, QUIT, REVOKE, ROLE, ROOT, SELECT, SET, SHOW, STORAGE, TIME, TIMESERIES, TIMESTAMP, TO, UNLINK, UPDATE, USER, USING, VALUE, VALUES, WHERE, WITH
-
-Keywords with special meanings (case sensitive):
-* Data Types: BOOLEAN, DOUBLE, FLOAT, INT32, INT64, TEXT (Only capitals is acceptable)
-* Encoding Methods: BITMAP, DFT, GORILLA, PLAIN, RLE, TS_2DIFF (Only capitals is acceptable)
-* Compression Methods: UNCOMPRESSED, SNAPPY (Only capitals is acceptable)
-* Logical symbol: AND, &amp;, &amp;&amp;, OR, | , ||, NOT, !, TRUE, 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></div></div><h2 id="identifiers"><a href="#identifiers" class="header-anchor">#</a> Identifiers</h2> <div class="language- line-numbers-mode [...]
-DOT := '.';
-COLON : ':' ;
-COMMA := ',' ;
-SEMICOLON := ';' ;
-LPAREN := '(' ;
-RPAREN := ')' ;
-LBRACKET := '[';
-RBRACKET := ']';
-EQUAL := '=' | '==';
-NOTEQUAL := '&lt;&gt;' | '!=';
-LESSTHANOREQUALTO := '&lt;=';
-LESSTHAN := '&lt;';
-GREATERTHANOREQUALTO := '&gt;=';
-GREATERTHAN := '&gt;';
-DIVIDE := '/';
-PLUS := '+';
-MINUS := '-';
-STAR := '*';
-Letter := 'a'..'z' | 'A'..'Z';
-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’
-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+;
-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+)?;
-eg. 3.1415
-eg. 1.2E10
-eg. -1.33
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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><div class="language- line-numbers-mode"><pre class="language-text"><code>Identifier := (Letter | '_') (Letter | Digit | '_' | MINUS)*;
-eg. a123
-eg. _abc123
-
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="literals"><a href="#literals" class="header-anchor">#</a> Literals</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>PointValue : Integer | Float | StringLiteral | Boolean
-</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>TimeValue : Integer | DateTime | ISO8601 | NOW()
-Note: Integer means timestamp type.
-
-DateTime : 
-eg. 2016-11-16T16:22:33+08:00
-eg. 2016-11-16 16:22:33+08:00
-eg. 2016-11-16T16:22:33.000+08:00
-eg. 2016-11-16 16:22:33.000+08:00
-Note: DateTime Type can support several types, see Chapter 3 Datetime section for details.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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><div class="language- line-numbers-mode"><pre class="language-text"><code>PrecedenceEqualO [...]
-</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>Timeseries : ROOT [DOT &lt;LayerName&gt;]* DOT &lt;SensorName&gt;
-LayerName : Identifier
-SensorName : Identifier
-eg. root.ln.wf01.wt01.status
-eg. root.sgcc.wf03.wt01.temperature
-Note: Timeseries must be start with `root`(case insensitive) and end with sensor name.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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><div class="language- line-numbers-mode"><pre class="language-text"><code>PrefixPath : ROOT (DOT &lt;LayerName&gt;)*
-LayerName : Identifier | STAR
-eg. root.sgcc
-eg. 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><div class="language- line-numbers-mode"><pre class="language-text"><code>Path: (ROOT | &lt;LayerName&gt;) (DOT &lt;LayerName&gt;)* 
-LayerName: Identifier | STAR
-eg. root.ln.wf01.wt01.status
-eg. root.*.wf01.wt01.status
-eg. root.ln.wf01.wt01.*
-eg. *.wt01.*
-eg. *
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/49.838b015d.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/6-JDBC API/1-JDBC API.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/6-JDBC API/1-JDBC API.html
deleted file mode 100644
index 3236041..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/6-JDBC API/1-JDBC API.html	
+++ /dev/null
@@ -1,187 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Usage |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/50.1fb08c35.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
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-    &lt;dependency&gt;
-      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-      &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
-      &lt;version&gt;0.8.2&lt;/version&gt;
-    &lt;/dependency&gt;
-&lt;/dependencies&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
-<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>jdbc</span><span class="token punctuation">.</span><span class="token class-name">IoTDBSQLException</span><span class="token punctuation">;</span>
-
-  <span class="token comment">/**
-   * Before executing a SQL statement with a Statement object, you need to create a Statement object using the createStatement() method of the Connection object.
-   * After creating a Statement object, you can use its execute() method to execute a SQL statement
-   * Finally, remember to close the 'statement' and 'connection' objects by using their close() method
-   * For statements with query results, we can use the getResultSet() method of the Statement object to get the result set.
-   */</span>
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punc [...]
-    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token keyword">if</span> <span class="token punctuation">(</span>connection <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;get connection defeat&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">return</span><span class="token punctuation">;</span>
-    <span class="token punctuation">}</span>
-    <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 comment">//Create storage group</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SET STORAGE GROUP TO root.demo&quot;</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">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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">//Show storage group</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW STORAGE GROUP&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Create time series</span>
-    <span class="token comment">//Different data type has different encoding methods. Here use INT32 as an example</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;CREATE TIMESERIES root.demo.s0 WITH DATATYPE=INT32,ENCODING=RLE;&quot;</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">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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">//Show time series</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW TIMESERIES root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Execute insert statements in batch</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,15);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,17);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(4,12);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">executeBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">clearBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Full query statement</span>
-    <span class="token class-name">String</span> sql <span class="token operator">=</span> <span class="token string">&quot;select * from root.demo&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">ResultSet</span> resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Exact query statement</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time = 4;&quot;</span><span class="token punctuation">;</span>
-    resultSet<span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Time range query</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time &gt;= 2 and time &lt; 5;&quot;</span><span class="token punctuation">;</span>
-    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Aggregate query</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select count(s0) from root.demo;&quot;</span><span class="token punctuation">;</span>
-    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Delete time series</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;delete timeseries root.demo.s0&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//close connection</span>
-    statement<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    connection<span class="token punctuation">.</span><span class="token function">close</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">public</span> <span class="token keyword">static</span> <span class="token class-name">Connection</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-    <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">&quot;org.apache.iotdb.jdbc.IoTDBDriver&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">String</span> url <span class="token operator">=</span> <span class="token string">&quot;jdbc:iotdb://127.0.0.1:6667/&quot;</span><span class="token punctuation">;</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">&quot;root&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">String</span> password <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
-
-    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      <span class="token class-name">Class</span><span class="token punctuation">.</span><span class="token function">forName</span><span class="token punctuation">(</span>driver<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      connection <span class="token operator">=</span> <span class="token class-name">DriverManager</span><span class="token punctuation">.</span><span class="token function">getConnection</span><span class="token punctuation">(</span>url<span class="token punctuation">,</span> username<span class="token punctuation">,</span> password<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">ClassNotFoundException</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 keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">SQLException</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 keyword">return</span> connection<span class="token punctuation">;</span>
-  <span class="token punctuation">}</span>
-
-  <span class="token comment">/**
-   * This is an example of outputting the results in the ResultSet
-   */</span>
-  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">outputResult</span><span class="token punctuation">(</span><span class="token class-name">ResultSet</span> resultSet<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punctuation">{</span>
-    <span class="token keyword">if</span> <span class="token punctuation">(</span>resultSet <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">final</span> <span class="token class-name">ResultSetMetaData</span> metaData <span class="token operator">=</span> resultSet<span class="token punctuation">.</span><span class="token function">getMetaData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">final</span> <span class="token keyword">int</span> columnCount <span class="token operator">=</span> metaData<span class="token punctuation">.</span><span class="token function">getColumnCount</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 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">&lt;</span> columnCount<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>metaData<span class="token punctuation">.</span><span class="token function">getColumnLabel</span><span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token ope [...]
-      <span class="token punctuation">}</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">while</span> <span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">next</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 keyword">int</span> i <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">getString</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-          <span class="token keyword">if</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">)</span> <span class="token punctuation">{</span>
-            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span><span class="token string">&quot;, &quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-          <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
-            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-            <span class="token keyword">break</span><span class="token punctuation">;</span>
-          <span class="token punctuation">}</span>
-        <span class="token punctuation">}</span>
-      <span class="token punctuation">}</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------\n&quot;</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 [...]
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/50.1fb08c35.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/1-Installation.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/1-Installation.html
deleted file mode 100644
index c8e4f5a..0000000
--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/1-Installation.html
+++ /dev/null
@@ -1,95 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Installation |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/51.76f3fc71.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-  github documents
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav></div></header> <div class="sidebar-m [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  License
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
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-cd tsfile/
-sh package.sh
-</code></pre> <div class="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 can be get in folder named <code>lib/</code>. Import <code>lib/tsfile-0.8.2-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using 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 [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
-mvn clean install -Dmaven.test.skip=true
-</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><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
-   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.8.2&lt;/version&gt;
- &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
-, add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
-       &lt;id&gt;allow-snapshots&lt;/id&gt;
-          &lt;activation&gt;&lt;activeByDefault&gt;true&lt;/activeByDefault&gt;&lt;/activation&gt;
-       &lt;repositories&gt;
-         &lt;repository&gt;  
-            &lt;id&gt;apache.snapshots&lt;/id&gt;
-            &lt;name&gt;Apache Development Snapshot Repository&lt;/name&gt;
-            &lt;url&gt;https://repository.apache.org/content/repositories/snapshots/&lt;/url&gt;
-            &lt;releases&gt;
-                &lt;enabled&gt;false&lt;/enabled&gt;
-            &lt;/releases&gt;
-            &lt;snapshots&gt;
-                &lt;enabled&gt;true&lt;/enabled&gt;
-            &lt;/snapshots&gt;
-          &lt;/repository&gt;
-       &lt;/repositories&gt;
-     &lt;/profile&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.8.2&lt;/version&gt;
- &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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></ul></div> <div class="page-edit"><!----> <!----></div> <div class="page-nav"><p class="inner"><span class="prev">
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/2-Usage.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/2-Usage.html
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--- a/docs/.vuepress/dist/document/V0.8.x/UserGuide/7-TsFile/2-Usage.html
+++ /dev/null
@@ -1,276 +0,0 @@
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-<html lang="en-US">
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-    <meta charset="utf-8">
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-    <title>Usage |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
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-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
-takes a single measurement and produce a time-series, we will use measurement and sensor interchangeably below.</p></li> <li><p><strong>device</strong>: A device refers to an entity that is taking several measurements (producing multiple time-series), e.g.,
-a running train monitors its speed, oil meter, miles it has run, current passengers each is conveyed to a time-series.</p></li></ul> <p>Table 1 illustrates a set of time-series data. The set showed in the following table contains one device named &quot;device_1&quot;
-with three measurements named &quot;sensor_1&quot;, &quot;sensor_2&quot; and &quot;sensor_3&quot;.</p> <center><table style="text-align:center;"><tr><th colspan="6">device_1</th></tr> <tr><th colspan="2">sensor_1</th><th colspan="2">sensor_2</th><th colspan="2">sensor_3</th></tr> <tr><th>time</th><th>value</th><th>time</th><th>value</th><th>time</th><th>value</th></tr> <tr><td>1</td><td>1.2</td><td>1</td><td>20</td><td>2</td><td>50</td></tr> <tr><td>3</td><td>1.4</td><td>2</td><td>20</td [...]
-may have values at a same timestamp, which is called one line of data.</p> <p>Formally, one line of data consists of a <code>device_id</code>, a timestamp which indicates the milliseconds since January 1,
-1970, 00:00:00, and several data pairs composed of <code>measurement_id</code> and corresponding <code>value</code>. All data pairs in one
-line belong to this <code>device_id</code> and have the same timestamp. If one of the <code>measurements</code> does not have a <code>value</code>
-in the <code>timestamp</code>, use a space instead(Actually, TsFile does not store null values). Its format is shown as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_id, timestamp, &lt;measurement_id, value&gt;...
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example is illustrated as follow. In this example, the data type of two measurements are  <code>INT32</code>, <code>FLOAT</code> respectively.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_1, 1490860659000, m1, 10, m2, 12.12
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="writing-tsfile"><a href="#writing-tsfile" class="header-anchor">#</a> Writing TsFile</h2> <h3 id="generate-a-tsfile-file"><a href="#generate-a-tsfile-file" class="header-anchor">#</a> Generate a TsFile File.</h3> <p>A TsFile can be generated by following three steps and the complete code will be given in the section &quot;Example for writing TsFile&quot;.</p> <ul><li><p>First, constr [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>With pre-defined schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(File file, FileSchema schema) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This one is for using the HDFS file system. <code>TsFileOutput</code> can be an instance of class <code>HDFSOutput</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileOutput output, FileSchema schema) throws IOException 
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p><strong>Parameters:</strong></p> <ul><li><p>file : The TsFile to write</p></li> <li><p>schema : The file schemas, will be introduced in next part.</p></li></ul></li> <li><p>Second, add measurements</p> <p>Or you can make an instance of class <code>FileSchema</code> first and pass this to the constructor of class <code>TsFileWriter</code></p> <p>The class <code>FileSchema</code> contains a [...]
-public FileSchema()
-public FileSchema(Map&lt;String, MeasurementSchema&gt; measurements)
-
-// Use this two interfaces to add measurements
-public void registerMeasurement(MeasurementSchema descriptor)
-public void registerMeasurements(Map&lt;String, MeasurementSchema&gt; measurements)
-
-// Some useful getter and checker
-public TSDataType getMeasurementDataType(String measurementId)
-public MeasurementSchema getMeasurementSchema(String measurementId)
-public Map&lt;String, MeasurementSchema&gt; getAllMeasurementSchema()
-public boolean hasMeasurement(String measurementId)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-​</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void addMeasurement(MeasurementSchema measurementSchema) throws WriteProcessException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The class <code>MeasurementSchema</code> contains the information of one measurement, there are several constructors:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding)
-
-public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType)
-
-public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType, 
-Map&lt;String, String&gt; props)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Parameters:</strong></p> <ul><li><p>measurementID: The name of this measurement, typically the name of the sensor.</p></li> <li><p>type: The data type, now support six types: <code>BOOLEAN</cod [...]
-<code>TEXT</code>. Use as string pairs into a map such as (&quot;max_point_number&quot;, &quot;3&quot;).</p></li></ul> <blockquote><p><strong>Notice:</strong> Although one measurement name can be used in multiple deltaObjects, the properties cannot be changed. I.e.
-​    it's not allowed to add one measurement name for multiple times with different type or encoding.
-​    Here is a bad example:</p></blockquote> <pre><code>  // The measurement &quot;sensor_1&quot; is float type
-  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.FLOAT, TSEncoding.RLE));
-  
-  // This call will throw a WriteProcessException exception
-  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.INT32, TSEncoding.RLE));
-</code></pre></li> <li><p>Third, insert and write data continually.</p> <p>Use this interface to create a new <code>TSRecord</code>(a timestamp and device pair).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TSRecord(long timestamp, String deviceId)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then create a <code>DataPoint</code>(a measurement and value pair), and use the addTuple method to add the DataPoint to the correct
-TsRecord.</p> <p>Use this method to write</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void write(TSRecord record) throws IOException, WriteProcessException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Finally, call <code>close</code> to finish this writing process.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void close() throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <h3 id="example-for-writing-a-tsfile"><a href="#example-for-writing-a-tsfile" class="header-anchor">#</a> Example for writing a TsFile</h3> <p>You should install TsFile to your local maven repository.</p> <p>See reference: <a href="/document/V0.8.x/UserGuide/7-TsFile/1-Installation.html">Installation</a></p> <p>A more thorough example can be found at <code>/tsfile/example/src/main [...]
-
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">File</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><span class="token punctuation">.</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><span class="token punctuation">.</span><span class="token class-name">TSEncoding</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>write</span><span class="token punctuation">.</span><span class="token class-name">TsFileWriter</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>write<span class="token punctuation">.</span>record</span><span class="token punctuation">.</span><span class="token class-name">TSRecord</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">DataPoint</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">FloatDataPoint</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">IntDataPoint</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>write<span class="token punctuation">.</span>schema</span><span class="token punctuation">.</span><span class="token class-name">MeasurementSchema</span><span class="token punctuation">;</span>
-<span class="token comment">/**
- * An example of writing data to TsFile
- * It uses the interface:
- * public void addMeasurement(MeasurementSchema MeasurementSchema) throws WriteProcessException
- */</span>
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileWrite</span> <span class="token punctuation">{</span>
-
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span> args<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
-      <span class="token class-name">File</span> f <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">File</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">if</span> <span class="token punctuation">(</span>f<span class="token punctuation">.</span><span class="token function">exists</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        f<span class="token punctuation">.</span><span class="token function">delete</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token punctuation">}</span>
-      <span class="token class-name">TsFileWriter</span> tsFileWriter <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileWriter</span><span class="token punctuation">(</span>f<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-      <span class="token comment">// add measurements into file schema</span>
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_1&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_2&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_3&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-            
-      <span class="token comment">// construct TSRecord</span>
-      <span class="token class-name">TSRecord</span> tsRecord <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TSRecord</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token string">&quot;device_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint1 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_1&quot;</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint2 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_2&quot;</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint3 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_3&quot;</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint1<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint2<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint3<span class="token punctuation">)</span><span class="token punctuation">;</span>
-            
-      <span class="token comment">// write TSRecord</span>
-      tsFileWriter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>tsRecord<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      
-      <span class="token comment">// close TsFile</span>
-      tsFileWriter<span class="token punctuation">.</span><span class="token function">close</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">catch</span> <span class="token punctuation">(</span><span class="token class-name">Throwable</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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 [...]
-The last section &quot;sensor_1&quot; is called &quot;measurementId&quot; while the remaining parts &quot;root.area_1.device_1&quot; is called deviceId.
-As mentioned above, the same measurement in different devices has the same data type and encoding, and devices are also unique.</p> <p>In read interfaces, The parameter <code>paths</code> indicates the measurements to be selected.</p> <p>Path instance can be easily constructed through the class <code>Path</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Path p = new Path(&quot;device_1.sensor_1&quot;);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We will pass an ArrayList of paths for final query call to support multiple paths.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>List&lt;Path&gt; paths = new ArrayList&lt;Path&gt;();
-paths.add(new Path(&quot;device_1.sensor_1&quot;));
-paths.add(new Path(&quot;device_1.sensor_3&quot;));
-</code></pre> <div class="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><p><strong>Notice:</strong> When constructing a Path, the format of the parameter should be a dot-separated string, the last part will
-be recognized as measurementId while the remaining parts will be recognized as deviceId.</p></blockquote> <h3 id="definition-of-filter"><a href="#definition-of-filter" class="header-anchor">#</a> Definition of Filter</h3> <h4 id="usage-scenario"><a href="#usage-scenario" class="header-anchor">#</a> Usage Scenario</h4> <p>Filter is used in TsFile reading process to select data satisfying one or more given condition(s).</p> <h4 id="iexpression"><a href="#iexpression" class="header-anchor"> [...]
-We create one or more filter expressions and may use binary filter operators to link them to our final expression.</p> <ul><li><p><strong>Create a Filter Expression</strong></p> <p>There are two types of filters.</p> <ul><li>TimeFilter: A filter for <code>time</code> in time-series data.<div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code> 	Use the following relationships to get a `TimeFilter` object (value is a long int variable).
-
-|        Relationship        |                    Description                     |
-| :------------------------: | :------------------------------------------------: |
-|    TimeFilter.eq(value)    |         Choose the time equal to the value         |
-|    TimeFilter.lt(value)    |        Choose the time less than the value         |
-|    TimeFilter.gt(value)    |       Choose the time greater than the value       |
-|   TimeFilter.ltEq(value)   |  Choose the time less than or equal to the value   |
-|   TimeFilter.gtEq(value)   | Choose the time greater than or equal to the value |
-|  TimeFilter.notEq(value)   |       Choose the time not equal to the value       |
-| TimeFilter.not(TimeFilter) |   Choose the time not satisfy another TimeFilter   |
-
-* ValueFilter: A filter for `value` in time-series data.
-
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-​	equal to the measurement's(defined in the 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></li> <li><p><strong>Binary Filter Operators</strong></p> <p>Binary filter operators can be used to link two single expressions.</p> <ul><li>BinaryExpression.and(Expression, Expression): Choose the value satisfy for both expressions.</li> <li>BinaryExpression.or(Expression, Expression): Choose the value satisfy for a [...]
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.ltEq(15)); // series time &lt;= 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.lt(15)); // series time &lt; 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.gtEq(15)); // series time &gt;= 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.notEq(15)); // series time != 15
-
-</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>IExpression timeFilterExpr = BinaryExpression.and(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
-                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // 15 &lt;= series time &lt; 25
-</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>IExpression timeFilterExpr = BinaryExpression.or(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
-                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // series time &gt;= 15 or series time &lt; 25
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h3 id="read-interface"><a href="#read-interface" class="header-anchor">#</a> Read Interface</h3> <p>First, we open the TsFile and get a <code>ReadOnlyTsFile</code> instance from a file path string <code>path</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TsFileSequenceReader reader = new TsFileSequenceRe [...]
-   
-ReadOnlyTsFile readTsFile = new ReadOnlyTsFile(reader);
-</code></pre> <div class="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>Next, we prepare the path array and query expression, then get final <code>QueryExpression</code> object by this interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>QueryExpression queryExpression = QueryExpression.create(paths, statement);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The ReadOnlyTsFile class has two <code>query</code> method to perform a query.</p> <ul><li><p><strong>Method 1</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p><strong>Method 2</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression, long partitionStartOffset, long partitionEndOffset) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This method is designed for advanced applications such as the TsFile-Spark Connector.</p> <ul><li><p><strong>params</strong> : For method 2, two additional parameters are added to support partial query:</p> <ul><li><code>partitionStartOffset</code>: start offset for a TsFile</li> <li><code>partitionEndOffset</code>: end offset for a TsFile</li></ul> <blockquote><p><strong>What is Partial  [...]
- INT32,
- INT64,
- FLOAT,
- DOUBLE,
- TEXT;
-</code></pre></li> <li><p><code>RowRecord next() throws IOException;</code></p> <p>Get the next record.</p> <p>The class <code>RowRecord</code> consists of a <code>long</code> timestamp and a <code>List&lt;Field&gt;</code> for data in different sensors,
-we can use two getter methods to get them.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>long getTimestamp();
-List&lt;Field&gt; getFields();
-</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 get data from one Field, use these methods:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSDataType getDataType();
-Object getObjectValue();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h3 id="example-for-reading-an-existing-tsfile"><a href="#example-for-reading-an-existing-tsfile" class="header-anchor">#</a> Example for reading an existing TsFile</h3> <p>You should install TsFile to your local maven repository.</p> <p>See reference: <a href="/document/V0.8.x/UserGuide/7-TsFile/1-Installation.html">Installation</a></p> <p>A  [...]
-<code>/tsfile/example/src/main/java/org/apache/iotdb/tsfile/TsFileRead.java</code></p> <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>tsfile</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">IOException</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">ArrayList</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>read</span><span class="token punctuation">.</span><span class="token class-name">ReadOnlyTsFile</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>read</span><span class="token punctuation">.</span><span class="token class-name">TsFileSequenceReader</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>read<span class="token punctuation">.</span>common</span><span class="token punctuation">.</span><span class="token class-name">Path</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>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">IExpression</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>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">QueryExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">BinaryExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">GlobalTimeExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">SingleSeriesExpression</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>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">TimeFilter</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>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">ValueFilter</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>read<span class="token punctuation">.</span>query<span class="token punctuation">.</span>dataset</span><span class="token punctuation">.</span><span class="token class-name">QueryDataSet</span><span class="token punctuation">;</span>
-
-<span class="token comment">/**
- * The class is to show how to read TsFile file named &quot;test.tsfile&quot;.
- * The TsFile file &quot;test.tsfile&quot; is generated from class TsFileWrite.
- * Run TsFileWrite to generate the test.tsfile first
- */</span>
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileRead</span> <span class="token punctuation">{</span>
-  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">queryAndPrint</span><span class="token punctuation">(</span><span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths<span class="token punctuation">,</span> <span class="token [...]
-          <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
-    <span class="token class-name">QueryExpression</span> queryExpression <span class="token operator">=</span> <span class="token class-name">QueryExpression</span><span class="token punctuation">.</span><span class="token function">create</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> statement<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">QueryDataSet</span> queryDataSet <span class="token operator">=</span> readTsFile<span class="token punctuation">.</span><span class="token function">query</span><span class="token punctuation">(</span>queryExpression<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token keyword">while</span> <span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">next</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-  <span class="token punctuation">}</span>
-
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punct [...]
-
-    <span class="token comment">// file path</span>
-    <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
-
-    <span class="token comment">// create reader and get the readTsFile interface</span>
-    <span class="token class-name">TsFileSequenceReader</span> reader <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">ReadOnlyTsFile</span> readTsFile <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">(</span>reader<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token comment">// use these paths(all sensors) for all the queries</span>
-    <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths <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">&lt;</span><span class="token punctuation">&gt;</span></span><span class="token punct [...]
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_2&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">// no query statement</span>
-    <span class="token function">queryAndPrint</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> readTsFile<span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//close the reader when you left</span>
-    reader<span class="token punctuation">.</span><span class="token function">close</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 [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>and then call:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSFileConfig config = TSFileDescriptor.getInstance().getConfig();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <div class="page-nav"><p class="inner"><span class="prev">
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-        </a></span> <span class="next"><a href="/document/V0.8.x/UserGuide/7-TsFile/3-Hierarchy.html">
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-​</p> <ul><li>For Example, the <code>int</code> <code>0x8</code> will be stored as <code>00 00 00 08</code>, not <code>08 00 00 00</code></li></ul></li> <li><p><strong>String with Variable Length</strong></p> <ul><li><p>The format is <code>int size</code> plus <code>String literal</code>. Size can be zero.</p></li> <li><p>Size equals the number of bytes this string will take, and it may not equal to the length of the string.</p></li> <li><p>For example &quot;sensor_1&quot; will be stored [...]
-is fixed so there is no need to put the size before this string literal.</p></li></ul></li> <li><p><strong>Data Type Hardcode</strong></p> <ul><li>0: BOOLEAN</li> <li>1: INT32 (<code>int</code>)</li> <li>2: INT64 (<code>long</code>)</li> <li>3: FLOAT</li> <li>4: DOUBLE</li> <li>5: TEXT (<code>String</code>)</li></ul></li> <li><p><strong>Encoding Type Hardcode</strong></p> <ul><li>0: PLAIN</li> <li>1: PLAIN_DICTIONARY</li> <li>2: RLE</li> <li>3: DIFF</li> <li>4: TS_2DIFF</li> <li>5: BITMA [...]
-data and metadata.</p> <p>The data section is an array of <code>ChunkGroup</code>, each ChuckGroup represents a <em>device</em>.</p> <h3 id="chuckgroup"><a href="#chuckgroup" class="header-anchor">#</a> ChuckGroup</h3> <p>The <code>ChunkGroup</code> has an array of <code>Chunk</code>, a following byte <code>0x00</code> as the marker, and a <code>ChunkFooter</code>.</p> <h4 id="chunk"><a href="#chunk" class="header-anchor">#</a> Chunk</h4> <p>A <code>Chunk</code> represents a <em>sensor</ [...]
-stored as 3 &quot;min&quot; 4 3 in the TsFile.</p> <h3 id="file-metadata"><a href="#file-metadata" class="header-anchor">#</a> File Metadata</h3> <p>After the array of <code>ChunkGroupMetadata</code>, here is the last part of the metadata.</p> <center><table style="text-align:center;"><tr><th>Member Description</th><th>Member Type</th></tr> <tr><td>Number of Devices</td><td>int</td></tr> <tr><td>Array of DeviceIndexMetadata</td><td>DeviceIndexMetadata</td></tr> <tr><td>Number of Measurem [...]
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-        1. If the sync data accounts for more than 50% of the update of the historical data (compared with the latest timestamp of the local storage group data),then it is recommended this parameter be set to TRUE, which has a greater impact on the write performance and reduce CPU usage.<br>
-        2. If the sync data accounts for less than 50% of the update of the historical data (compared with the latest timestamp of the local storage group data),then it is recommended this parameter be set to FALSE,which has little impact on the write performance and takes up a large amount of CPU power.<br></td></tr> <tr><td>Type</td> <td>Boolean</td></tr> <tr><td>Default</td> <td>false</td></tr> <tr><td>Modalities for Entry into Force after Modification</td> <td>Restart receiver</td></ [...]
-<table><tr><td colspan="2">parameter: server_ip</td></tr> <tr><td width="30%">Description</td> <td>IP address of sync receiver.</td></tr> <tr><td>Type</td> <td>String</td></tr> <tr><td>Default</td> <td>127.0.0.1</td></tr> <tr><td>Modalities for Entry into Force after Modification</td> <td>Restart client</td></tr></table></p> <table><tr><td colspan="2">parameter: server_port</td></tr> <tr><td width="30%">Description</td> <td>Listening port of sync receiver, it is necessary to ensure that  [...]
-<img src="https://user-images.githubusercontent.com/26211279/59494502-daaa4380-8ebf-11e9-8bce-363e2433005a.png" style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;"></li> <li>Start IoTDB engine, and the sync receiver will start at the same time, and the LOG log will start with the sentence <code>IoTDB: start SYNC ServerService successfully</code> indicating the successful start of the return receiver.
-<img src="https://user-images.githubusercontent.com/26211279/59494513-df6ef780-8ebf-11e9-83e1-ee8ae64b76d0.png" style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;"></li></ol> <h2 id="stop-sync-receiver"><a href="#stop-sync-receiver" class="header-anchor">#</a> Stop Sync Receiver</h2> <p>Stop IoTDB and the sync receiver will be closed at the same time.</p> <h2 id="start-sync-sender"><a href="#start-sync-sender" class="header-anchor"># [...]
-<img src="https://user-images.githubusercontent.com/26211279/59494559-f9a8d580-8ebf-11e9-875e-355199c1a1e9.png" style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;"></li> <li>Start sync sender
-Users can use the scripts under the <code>$IOTDB_HOME/bin</code> folder to start the sync sender.
-For Linux and Mac OS X users:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME/bin/start-sync-client.sh
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For Windows users:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME\bin\start-sync-client.bat
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><img src="https://user-images.githubusercontent.com/26211279/59494951-dc283b80-8ec0-11e9-9575-5d8578c08ceb.png" style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;"> <h2 id="stop-sync-sender"><a href="#stop-sync-sender" class="header-anchor">#</a> Stop Sync Sender</h2> <p>Users can use the scripts under the <code>$IOTDB_HOME/bin</code> fo [...]
-For Linux and Mac OS X users:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME/bin/stop-sync-client.sh
-</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 &gt;$IOTDB_HOME\bin\stop-sync-client.bat
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.8.x/UserGuide/8-System Tools/2-Memory Estimation Tool.html b/docs/.vuepress/dist/document/V0.8.x/UserGuide/8-System Tools/2-Memory Estimation Tool.html
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-<table><tr><td>Parameter</td> <td>Parameter Description</td> <td>Example</td> <td>Necessary</td></tr> <tr><td>-sg | --storagegroup &lt;storage group number&gt;</td> <td>storage group number</td> <td>-sg 20</td> <td>true</td></tr> <tr><td>-ts | --timeseries &lt;total timeseries number&gt;</td> <td>total timeseries number</td> <td>-ts 10000</td> <td>true</td></tr> <tr><td>-mts | --maxtimeseries &lt;max timeseries&gt;</td> <td>maximum number of timeseries among storage groups.If the time se [...]
-For Linux and Mac OS X users:</p> <ul><li>Assume that there are 20 storage groups, 10w timeseries and timeseries are evenly distributed in the storage groups:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME/bin/memory-tool.sh calmem -sg 20 -ts 100000
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Assume that there are 20 storage groups, 10w timeseries and maximum timeseries number among storage groups is 50000:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME/bin/memory-tool.sh calmem -sg 20 -ts 100000 -tsm -50000
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For Windows users:</p> <ul><li>Assume that there are 20 storage groups, 10w timeseries and timeseries are evenly distributed in the storage groups:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME\bin\memory-tool.bat calmem -sg 20 -ts 100000
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Assume that there are 20 storage groups, 10w timeseries and maximum timeseries number among storage groups is 50000:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt;$IOTDB_HOME\bin\memory-tool.bat calmem -sg 20 -ts 100000 -tsm -50000
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/0-Get Started/1-QuickStart.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/0-Get Started/1-QuickStart.html
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-<a href="/download/">Here</a></p> <h2 id="configurations"><a href="#configurations" class="header-anchor">#</a> Configurations</h2> <p>configuration files are under &quot;conf&quot; folder</p> <ul><li>environment config module (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>system config module (<code>tsfile-format.properties</code>, <code>iotdb-engine.properties</code>)</li> <li>log config module (<code>logback.xml</code>).</li></ul> <p>For more, see <a href="/document [...]
-&gt; sbin/start-server.sh
-
-# Windows
-&gt; sbin\start-server.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><h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic st [...]
-default user to login Cli to use IoTDB. The startup script of Cli is the start-client script in the folder sbin. When executing the script, user should assign<br>
-IP, PORT, USER_NAME and PASSWORD. The default parameters are &quot;-h 127.0.0.1 -p 6667 -u root -pw -root&quot;.</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
-&gt; sbin/start-client.sh -h 127.0.0.1 -p 6667 -u root -pw root
-
-# Windows
-&gt; sbin\start-client.bat -h 127.0.0.1 -p 6667 -u root -pw 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><p>The command line client is interactive so if everything is ready you should see the welcome logo and statements:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
-|_   _|     |  _   _  ||_   _ `.|_   _ \
-  | |   .--.|_/ | | \_|  | | `. \ | |_) |
-  | | / .'`\ \  | |      | |  | | |  __'.
- _| |_| \__. | _| |_    _| |_.' /_| |__) |
-|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
-
-
-IoTDB&gt; login successfully
-IoTDB&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="basic-commands-for-iotdb"><a href="#basic-c [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We can also use SHOW STORAGE GROUP to check created storage group:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SHOW STORAGE GROUP
-+-----------------------------------+
-|                      Storage Group|
-+-----------------------------------+
-|                            root.ln|
-+-----------------------------------+
-storage group number = 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><span class="line-number">7</span><br></div></div><p>After the storage group is set, we can use CREATE TIMESERIES to create new timeseries. When we create a timeseries, we should define its data type and the encoding [...]
-IoTDB&gt; CREATE TIMESERIES root.ln.wf01.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></div></div><p>Inorder to query the specific timeseries, we can use SHOW TIMESERIES.represent the path of the timeseries. Its default value is null, which means quering all the timeseries in the system(the same as using &quot;SHOW TIMESERIES root&quot;). Here are the examples:</p> <ol><li>Querying all timeseries in the system:</li></ol> <div class="language- line-nu [...]
-+-------------------------------+---------------+--------+--------+
-|                     Timeseries|  Storage Group|DataType|Encoding|
-+-------------------------------+---------------+--------+--------+
-|       root.ln.wf01.wt01.status|        root.ln| BOOLEAN|   PLAIN|
-|  root.ln.wf01.wt01.temperature|        root.ln|   FLOAT|     RLE|
-+-------------------------------+---------------+--------+--------+
-Total timeseries number = 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></div></div><ol start="2"><li>Querying a specific timeseries(root.ln.wf01.wt01.status):</li></ol> <div class="language- line-numbers-mode">< [...]
-+------------------------------+--------------+--------+--------+
-|                    Timeseries| Storage Group|DataType|Encoding|
-+------------------------------+--------------+--------+--------+
-|      root.ln.wf01.wt01.status|       root.ln| BOOLEAN|   PLAIN|
-+------------------------------+--------------+--------+--------+
-Total timeseries number = 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><span class="line-number">7</span><br></div></div><p>Insert timeseries data is the basic operation of IoTDB, you can use ‘INSERT’ command to finish this. Before inserting you should assign the timestamp and the suffi [...]
-IoTDB&gt; INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) values(200,false,20.71)
-</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 data we’ve just inserted displays like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SELECT status FROM root.ln.wf01.wt01
-+-----------------------+------------------------+
-|                   Time|root.ln.wf01.wt01.status|
-+-----------------------+------------------------+
-|1970-01-01T08:00:00.100|                    true|
-|1970-01-01T08:00:00.200|                   false|
-+-----------------------+------------------------+
-Total line number = 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></div></div><p>We can also query several timeseries data at once like this:</p> <div class="language- line-numbers-mode"><pre class="languag [...]
-+-----------------------+--------------------------+-----------------------------+
-|                   Time|  root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
-+-----------------------+--------------------------+-----------------------------+
-|1970-01-01T08:00:00.100|                      true|                         null|
-|1970-01-01T08:00:00.200|                     false|                        20.71|
-+-----------------------+--------------------------+-----------------------------+
-Total line number = 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></div></div><p>The commands to exit the Cli is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; quit
-or
-IoTDB&gt; exit
-</code></pre> <div class="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>For more on what commands are supported by IoTDB SQL, see <a href="/document/V0.9.x/UserGuide/5-Operation Manual/4-SQL Reference.html">SQL Reference</a>.</p> <h3 id="stop-iotdb"><a href="#stop-iotdb" class="header-anchor">#</a> Stop IoTDB</h3> <p>The server can be stopped with ctrl-C or the following script:</p> < [...]
-&gt; sbin/stop-server.sh
-
-# Windows
-&gt; sbin\stop-server.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="only-build-client"><a href="#only-build-client" class="header-anchor">#</a> Only build client</h2> <p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB client will be at the folder &quot;client/target/iotdb-client-{project.version}&quot;.</p></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/56.a3a549c0.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/0-Get Started/2-Frequently asked questions.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/0-Get Started/2-Frequently asked questions.html
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+++ /dev/null
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- _____       _________  ______   ______    
-|_   _|     |  _   _  ||_   _ `.|_   _ \   
-  | |   .--.|_/ | | \_|  | | `. \ | |_) |  
-  | | / .'`\ \  | |      | |  | | |  __'.  
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-|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;0.9.1&lt;/version&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use JDBC API:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>String iotdbVersion = tsfileDatabaseMetadata.getDatabaseProductVersion();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="where-can-i-find-iotdb-logs"><a href="#where-can-i-find-iotdb-logs" class="header-anchor">#</a> Where can I find IoTDB logs?</h2> <p>Suppose your root directory is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ pwd
-/workspace/incubator-iotdb
-
-$ ls -l
-server/
-client/
-pom.xml
-Readme.md
-...
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Let <code>$IOTDB_HOME = /workspace/incubator-iotdb/server/target/iotdb-server-{project. [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the result, there will be a statement shows <code>Total timeseries number</code>, this number is the timeseries number in IoTDB.</p> <p>If you are using Linux, you can use the following shell command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; grep &quot;0,root&quot; $IOTDB_HOME/data/system/schema/mlog.txt |  wc -l
-&gt;   6
-</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="can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb"><a href="#can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb" class="header-anchor">#</a> Can I use Hadoop and Spark to read TsFile in IoTDB?</h2> <p>Yes. IoTDB has intense integration with Open Source Ecosystem. IoTDB supports <a href="https://github.com/apache/incubator-iotdb/tree/master/hadoo [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to query specific sensor, you can replace the &lt;timeseries path&gt; with the sensor name. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.s1
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Otherwise, you can also use wildcard in timeseries path:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.*
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-can-i-change-iotdb-s-client-time-display-format"><a href="#how-can-i-change-iotdb-s-client-time-display-format" class="header-anchor">#</a> How can I change IoTDB's Client time display format?</h2> <p>The default IoTDB's Client time display format is human readable (e.g. <code>1970-01-01T08:00:00.001</code>), if you want to display time in timestamp type or other readable format, [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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-  Current Events
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/1-What is IoTDB.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/1-What is IoTDB.html
deleted file mode 100644
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/1-What is IoTDB.html	
+++ /dev/null
@@ -1,53 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>What is IoTDB |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/59.e115b307.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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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-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
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-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
-    gitHub
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/2-Architecture.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/2-Architecture.html
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/2-Architecture.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Architecture |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/60.1c862fb4.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/3-Scenario.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/3-Scenario.html
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/4-Features.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/4-Features.html
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/1-Overview/4-Features.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Features |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/62.4cc7ae4a.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.css">
-  </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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Sponsorship
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Current Events
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Thanks
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-**Figure 2.1 Attribute hierarchy structure**</center> <p>After getting the name of the timeseries, we need to set up the storage group according to the actual scenario and scale of the data. Because in the scenario of this chapter data is usually arrived in the unit of groups (i.e., data may be across electric fields and devices), in order to avoid frequent switching of IO when writing data, and to meet the user's requirement of physical isolation of data in the unit of  groups, we set t [...]
-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 &quot;*&quot; and DOT is &quot;.&quot;.</p> <p>We call the middle part of a path between two &quot;.&quot; 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 [...]
-<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=" [...]
- 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**</center> <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 [...]
-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-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/2-Concept/3-Encoding.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/2-Concept/3-Encoding.html
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-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/2-Concept/4-Compression.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/2-Concept/4-Compression.html
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-<a href="/download/">Here</a></p> <h2 id="installation-from-source-code"><a href="#installation-from-source-code" class="header-anchor">#</a> Installation from source code</h2> <p>You can get the released source code from https://iotdb.apache.org/#/Download, or from the git repository https://github.com/apache/incubator-iotdb/tree/master
-You can download the source code from:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git clone https://github.com/apache/incubator-iotdb.git
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean package -DskipTests
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then the binary version (including both server and client) can be found at <strong>distribution/target/apache-iotdb-{project.version}-incubating-bin.zip</strong></p> <blockquote><p>NOTE: Directories &quot;service-rpc/target/generated-sources/thrift&quot; and &quot;server/target/generated-sources/antlr3&quot; need to be added to sources roots to avoid compilation errors in IDE.</p></blockq [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB server will be at the folder &quot;server/target/iotdb-server-{project.version}&quot;.</p> <h2 id="installation-by-docker-dockerfile"><a href="#installation-by-docker-dockerfile" class="header-anchor">#</a> Installation by Docker (Dockerfile)</h2> <p>You can build and run a IoTDB docker image by following the guide of <a href="/document/V0.9.x/UserGuide/3-Server/5-D [...]
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/2-Single Node Setup.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/2-Single Node Setup.html
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/2-Single Node Setup.html	
+++ /dev/null
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-<!DOCTYPE html>
-<html lang="en-US">
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-    <meta charset="utf-8">
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-    <meta name="description" content=" ">
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-  confluence
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></div></div><div class="nav-item">< [...]
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-&gt; sbin/start-server.sh
-
-# Windows
-&gt; sbin\start-server.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></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/3-Cluster Setup.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/3-Cluster Setup.html
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-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Cluster Setup |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/69.5f616590.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
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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  [...]
-  Foundation
-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
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-  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li><li class="dropdown-item"><!----> <a hre [...]
-  Security
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-  Thanks
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/4-Config Manual.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/4-Config Manual.html
deleted file mode 100644
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/4-Config Manual.html	
+++ /dev/null
@@ -1,54 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Config Manual |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/70.6c428357.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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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-<ul><li><code>tsfile-format.properties</code>: The default configuration file for the IoTDB file layer configuration item. Users can configure the information about the TsFile, such as the data size written to the disk per time(<code>group_size_in_byte</code>).</li> <li><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 JDBC service listening port  [...]
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/5-Docker Image.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/3-Server/5-Docker Image.html
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-</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>$ git clone https://github.com/apache/incubator-iotdb
-$ cd incubator-iotdb
-$ cd docker
-$ docker build -t iotdb:base .
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Once the docker image has been built locally (the tag is iotdb:base in this example), you are almost done!</p> <ol start="2"><li>create docker volume for data files and logs:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker volume cr [...]
-$ docker volume create mylogs
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ol start="3"><li>run a docker container:</li></ol> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ docker run -p <span class="token number">6667</span>:6667 -v mydata:/iotdb/data -v mylogs:/iotdb/logs -d iotdb:base /iotdb/bin/start-server.sh
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If success, you can run <code>docker ps</code>, and get something like the following:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
-2a68b6944cb5        iotdb:base          &quot;/iotdb/bin/start-se…&quot;   4 minutes ago       Up 5 minutes        0.0.0.0:6667-&gt;6667/tcp              laughing_meitner
-</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 use the above command to get the container ID:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker container ls
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the ID is &lt;C_ID&gt;.</p> <p>And get the docker IP by:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker inspect --format='{{.NetworkSettings.IPAddress}}' &lt;C_ID&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the IP is &lt;C_IP&gt;.</p> <ol start="4"><li>If you just want to have a try by using iotdb-cli, you can:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker exec -it /bin/bash  &lt;C_ID&gt;
-$ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p 6667 -u root -pw 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>Or,  run a new docker container as the client:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker run -it iotdb:base /cli/sbin/start-client.sh -h &lt;C_IP&gt; -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or,  if you have a iotdb-cli locally (e.g., you have compiled the source code by <code>mvn package</code>), and suppose your work_dir is cli/bin, then you can just run:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ start-client.sh -h localhost -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ol start="5"><li>If you want to write codes to insert data and query data, please add the following dependence:</li></ol> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code>        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>iotdb-jdbc<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
-            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>0.9.1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
-        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</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><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Some examples about how to use IoTDB with IoTDB-JDBC can be found at: https://github.com/apache/incubator-iotdb/tree/master/example/jdbc/src/main/java/org/apache/iotdb</p> <ol start="6"><li>Now enjoy it!</li></ol></div> <div class="page-ed [...]
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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB client will be at the folder &quot;client/target/iotdb-client-{project.version}&quot;.</p> <h2 id="running-cli-shell"><a href="#running-cli-shell" class="header-anchor">#</a> Running Cli/Shell</h2> <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 client startup script is the <code>start-client</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 port is
-6667 <br>
-If you need to connect to the remote server or changes
-the port number of the server running, set the specific IP and PORT at -h and -p.<br>
-You also can set your own environment variable at the front of the start script (&quot;/sbin/start-client.sh&quot; for linux and &quot;/sbin/start-client.bat&quot; for windows)</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; ./sbin/start-client.sh -h 127.0.0.1 -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; \sbin\start-client.bat -h 127.0.0.1 -p 6667 -u root -pw root
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After using these commands, the client can be started successfully. The successful status will be as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
-|_   _|     |  _   _  ||_   _ `.|_   _ \
-  | |   .--.|_/ | | \_|  | | `. \ | |_) |
-  | | / .'`\ \  | |      | |  | | |  __'.
- _| |_| \__. | _| |_    _| |_.' /_| |__) |
-|_____|'.__.' |_____|  |______.'|_______/  version &lt;version&gt;
-
-
-IoTDB&gt; login successfully
-IoTDB&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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>Enter <code>quit</code> or <code>exit</code> can [...]
-10.129.187.21, port 6667, username &quot;root&quot;, password &quot;root&quot;, and prints the timestamp in digital form. The maximum number of lines displayed on the IoTDB command line is 10.</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; ./sbin/start-client.sh -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; \sbin\start-client.bat -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="cli-shell-tool-with-e-parameter"><a href="#cli-shell-tool-with-e-parameter" class="header-anchor">#</a> Cli/shell tool with -e parameter</h2> <p>-e parameter is designed for the Cli/shell tool in the situation where you would like to manipulate IoTDB in batches through scripts. By using the -e parameter, you can operate IoTDB without entering the client's input mode.</p> <p>In order  [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In order to better explain the use of -e parameter, take following as an example.</p> <p>Suppose you want to create a storage group root.demo to a newly launched IoTDB, create a timeseries root.demo.s1 and insert three data points into it. With -e parameter, you could write a shell like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># !/bin/bash
-
-host=127.0.0.1
-port=6667
-user=root
-pass=root
-
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;set storage group to root.demo&quot;
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;create timeseries root.demo.s1 WITH DATATYPE=INT32, ENCODING=RLE&quot;
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(1,10)&quot;
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(2,11)&quot;
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(3,12)&quot;
-./sbin/start-client.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;select s1 from root.demo&quot;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-to-install-in-local-maven-repository"><a href="#how-to-install-in-local-maven-repository" class="header-anchor">#</a> How to install in local maven repository</h2> <p>In root directory:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean install -pl jdbc -am -Dmaven.test.skip=true
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="using-iotdb-jdbc-with-maven"><a href="#using-iotdb-jdbc-with-maven" class="header-anchor">#</a> Using IoTDB JDBC with Maven</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;dependencies&gt;
-    &lt;dependency&gt;
-      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-      &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
-      &lt;version&gt;0.9.1&lt;/version&gt;
-    &lt;/dependency&gt;
-&lt;/dependencies&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
-<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>jdbc</span><span class="token punctuation">.</span><span class="token class-name">IoTDBSQLException</span><span class="token punctuation">;</span>
-
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">JDBCExample</span> <span class="token punctuation">{</span>
-  <span class="token comment">/**
-   * Before executing a SQL statement with a Statement object, you need to create a Statement object using the createStatement() method of the Connection object.
-   * After creating a Statement object, you can use its execute() method to execute a SQL statement
-   * Finally, remember to close the 'statement' and 'connection' objects by using their close() method
-   * For statements with query results, we can use the getResultSet() method of the Statement object to get the result set.
-   */</span>
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punc [...]
-    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token keyword">if</span> <span class="token punctuation">(</span>connection <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;get connection defeat&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">return</span><span class="token punctuation">;</span>
-    <span class="token punctuation">}</span>
-    <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 comment">//Create storage group</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SET STORAGE GROUP TO root.demo&quot;</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">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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">//Show storage group</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW STORAGE GROUP&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Create time series</span>
-    <span class="token comment">//Different data type has different encoding methods. Here use INT32 as an example</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;CREATE TIMESERIES root.demo.s0 WITH DATATYPE=INT32,ENCODING=RLE;&quot;</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">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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">//Show time series</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW TIMESERIES root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Show devices</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW DEVICES&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Count time series</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Count nodes at the given level</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT NODES root LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Count timeseries group by each node at the given level</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root GROUP BY LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</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">//Execute insert statements in batch</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,15);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,17);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(4,12);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">executeBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    statement<span class="token punctuation">.</span><span class="token function">clearBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Full query statement</span>
-    <span class="token class-name">String</span> sql <span class="token operator">=</span> <span class="token string">&quot;select * from root.demo&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">ResultSet</span> resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Exact query statement</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time = 4;&quot;</span><span class="token punctuation">;</span>
-    resultSet<span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Time range query</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time &gt;= 2 and time &lt; 5;&quot;</span><span class="token punctuation">;</span>
-    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Aggregate query</span>
-    sql <span class="token operator">=</span> <span class="token string">&quot;select count(s0) from root.demo;&quot;</span><span class="token punctuation">;</span>
-    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//Delete time series</span>
-    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;delete timeseries root.demo.s0&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//close connection</span>
-    statement<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    connection<span class="token punctuation">.</span><span class="token function">close</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">public</span> <span class="token keyword">static</span> <span class="token class-name">Connection</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-    <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">&quot;org.apache.iotdb.jdbc.IoTDBDriver&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">String</span> url <span class="token operator">=</span> <span class="token string">&quot;jdbc:iotdb://127.0.0.1:6667/&quot;</span><span class="token punctuation">;</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">&quot;root&quot;</span><span class="token punctuation">;</span>
-    <span class="token class-name">String</span> password <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
-
-    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      <span class="token class-name">Class</span><span class="token punctuation">.</span><span class="token function">forName</span><span class="token punctuation">(</span>driver<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      connection <span class="token operator">=</span> <span class="token class-name">DriverManager</span><span class="token punctuation">.</span><span class="token function">getConnection</span><span class="token punctuation">(</span>url<span class="token punctuation">,</span> username<span class="token punctuation">,</span> password<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">ClassNotFoundException</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 keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">SQLException</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 keyword">return</span> connection<span class="token punctuation">;</span>
-  <span class="token punctuation">}</span>
-
-  <span class="token comment">/**
-   * This is an example of outputting the results in the ResultSet
-   */</span>
-  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">outputResult</span><span class="token punctuation">(</span><span class="token class-name">ResultSet</span> resultSet<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punctuation">{</span>
-    <span class="token keyword">if</span> <span class="token punctuation">(</span>resultSet <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">final</span> <span class="token class-name">ResultSetMetaData</span> metaData <span class="token operator">=</span> resultSet<span class="token punctuation">.</span><span class="token function">getMetaData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">final</span> <span class="token keyword">int</span> columnCount <span class="token operator">=</span> metaData<span class="token punctuation">.</span><span class="token function">getColumnCount</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 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">&lt;</span> columnCount<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>metaData<span class="token punctuation">.</span><span class="token function">getColumnLabel</span><span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token ope [...]
-      <span class="token punctuation">}</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">while</span> <span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">next</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 keyword">int</span> i <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">getString</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-          <span class="token keyword">if</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">)</span> <span class="token punctuation">{</span>
-            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span><span class="token string">&quot;, &quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-          <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
-            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-            <span class="token keyword">break</span><span class="token punctuation">;</span>
-          <span class="token punctuation">}</span>
-        <span class="token punctuation">}</span>
-      <span class="token punctuation">}</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------\n&quot;</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 [...]
-    writeData();
-} catch (SQLException e) {
-  // the most case is that the time series does not exist
-  if (e.getMessage().contains(&quot;exist&quot;)) {
-      //However, using the content of the error message is not so efficient
-      registerTimeSeries();
-      //write data once again
-      writeData();
-  }
-}
-
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 &quot;ProcessException&quot; is also added to be extended by all exceptions.</p></blockquote></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/73.028f89c5.js" defer></script>
-  </body>
-</html>
diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/4-Client/3-Programming - Session.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/4-Client/3-Programming - Session.html
deleted file mode 100644
index 89b08b2..0000000
--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/4-Client/3-Programming - Session.html	
+++ /dev/null
@@ -1,64 +0,0 @@
-<!DOCTYPE html>
-<html lang="en-US">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Programming - Session |  </title>
-    <meta name="description" content=" ">
-    <link rel="icon" href="/favicon.ico">
-    
-    <link rel="preload" href="/assets/css/0.styles.8d6c2688.css" as="style"><link rel="preload" href="/assets/js/app.7093b970.js" as="script"><link rel="preload" href="/assets/js/74.181535cb.js" as="script"><link rel="prefetch" href="/assets/js/10.e43afe98.js"><link rel="prefetch" href="/assets/js/100.884e31d7.js"><link rel="prefetch" href="/assets/js/101.5e59c279.js"><link rel="prefetch" href="/assets/js/102.c2e874ee.js"><link rel="prefetch" href="/assets/js/103.63fae819.js"><link rel=" [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.8d6c2688.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  [...]
-  Foundation
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-    <span class="token generics"><span class="token punctuation">&lt;</span>dependency<span class="token punctuation">&gt;</span></span>
-      <span class="token generics"><span class="token punctuation">&lt;</span>groupId<span class="token punctuation">&gt;</span></span>org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token operator">&lt;</span><span class="token operator">/</span>groupId<span class="token operator">&gt;</span>
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-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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="examples-with-session-interfaces"><a href="#examples-with-session-interfaces" class="header-anchor">#</a> Examples with Session interfaces</h3> <p>Here we sho [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Create one timeseries under a existing storage group</p> <p>​	TSStatus createTimeseries(String path, TSDataType dataType, TSEncoding encoding, CompressionType compressor)</p></li> <li><p>Delete one or several timeseries</p> <p>​	TSStatus deleteTimeseries(String path)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSStatus deleteTimeseries(List&lt;S [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Delete one or several timeseries before a certain timestamp</p> <p>​	TSStatus deleteData(String path, long time)</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSStatus deleteData(List&lt;String&gt; paths, long time)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert data into existing timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSStatus insert(String deviceId, long time, List&lt;String&gt; measurements, List&lt;String&gt; values)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Batch insertion into timeseries</p> <p>​	TSExecuteBatchStatementResp insertBatch(RowBatch rowBatch)</p></li></ul> <h4 id="sample-code"><a href="#sample-code" class="header-anchor">#</a> Sample code</h4> <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 i [...]
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/4-Client/4-Programming - Other Languages.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/4-Client/4-Programming - Other Languages.html
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-on Linux or Windows, we will introduce how to operate on the two systems separately.</p> <h3 id="_2-prerequisites"><a href="#_2-prerequisites" class="header-anchor">#</a> 2. Prerequisites</h3> <p>python3.7 or later is preferred.</p> <p>You have to install Thrift (0.11.0 or later) to compile our thrift file into python code. Below is the official
-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="_3-how-to-get-the-python-library"><a href="#_3-how-to-get-the-python-library" class="header-anchor">#</a> 3. How to Get the Python Library</h3> <h4 id="option-1-pip-install"><a href="#option-1-pip-install" class="header-anchor">#</a> Option 1: pip install</h4> <p>You can find the Apache IoTDB Python Client API package on https://pypi.org/project/apache-iotdb/.</p> <p>The download com [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="option-2-use-the-compile-script-we-provided"><a href="#option-2-use-the-compile-script-we-provided" class="header-anchor">#</a> Option 2: use the compile script we provided</h4> <p>If you have added Thrift executable into your path, you may just run <code>client-py/compile.sh</code> or
-<code>client-py\compile.bat</code>, or you will have to modify it to set variable <code>THRIFT_EXE</code> to point to
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-<code>PYTHONPATH</code> so that you would be able to use the library in your code. Notice that the scripts
-locate the thrift source file by relative path, so if you move the scripts else where, they are
-no longer valid.</p> <h4 id="option-3-basic-usage-of-thrift"><a href="#option-3-basic-usage-of-thrift" class="header-anchor">#</a> Option 3: basic usage of thrift</h4> <p>Optionally, if you know the basic usage of thrift, you can only download the thrift source file in
-<code>service-rpc\src\main\thrift\rpc.thrift</code>, and simply use <code>thrift -gen py -out ./target/iotdb rpc.thrift</code>
-to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-example" class="header-anchor">#</a> 4. Use Example</h3> <p>We provided an example of how to use the thrift library to connect to IoTDB in <code>client-py/src /client_example.py</code>, please read it carefully before you write your own code.</p></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
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-    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></nav>  <ul class="sidebar-links"><li><div  [...]
-cd tsfile/
-mvn clean package -Dmaven.test.skip=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 can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.9.1-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using 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 [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
-mvn clean install -Dmaven.test.skip=true
-</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><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
-   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.9.1&lt;/version&gt;
- &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
-, add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
-       &lt;id&gt;allow-snapshots&lt;/id&gt;
-          &lt;activation&gt;&lt;activeByDefault&gt;true&lt;/activeByDefault&gt;&lt;/activation&gt;
-       &lt;repositories&gt;
-         &lt;repository&gt;  
-            &lt;id&gt;apache.snapshots&lt;/id&gt;
-            &lt;name&gt;Apache Development Snapshot Repository&lt;/name&gt;
-            &lt;url&gt;https://repository.apache.org/content/repositories/snapshots/&lt;/url&gt;
-            &lt;releases&gt;
-                &lt;enabled&gt;false&lt;/enabled&gt;
-            &lt;/releases&gt;
-            &lt;snapshots&gt;
-                &lt;enabled&gt;true&lt;/enabled&gt;
-            &lt;/snapshots&gt;
-          &lt;/repository&gt;
-       &lt;/repositories&gt;
-     &lt;/profile&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 [...]
-   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
-   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
-   &lt;version&gt;0.9.1&lt;/version&gt;
- &lt;/dependency&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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></ul> <h2 id="tsfile-usage"><a href="#tsfile-usage" class="header-anchor">#</a> TSFile Usage</h2> <p>This section demonstrates the detailed usages of TsFile.</p> <h3 id="time-series-data"><a href="#time-series-data" class="head [...]
-sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
-takes a single measurement and produce a time-series, we will use measurement and sensor interchangeably below.</p></li> <li><p><strong>device</strong>: A device refers to an entity that is taking several measurements (producing multiple time-series), e.g.,
-a running train monitors its speed, oil meter, miles it has run, current passengers each is conveyed to a time-series.</p></li></ul> <p>Table 1 illustrates a set of time-series data. The set showed in the following table contains one device named &quot;device_1&quot;
-with three measurements named &quot;sensor_1&quot;, &quot;sensor_2&quot; and &quot;sensor_3&quot;.</p> <table style="text-align:center"><tr><th colspan="6">device_1</th></tr> <tr><th colspan="2">sensor_1</th><th colspan="2">sensor_2</th><th colspan="2">sensor_3</th></tr> <tr><th>time</th><th>value</th><th>time</th><th>value</th><th>time</th><th>value</th></tr> <tr><td>1</td><td>1.2</td><td>1</td><td>20</td><td>2</td><td>50</td></tr> <tr><td>3</td><td>1.4</td><td>2</td><td>20</td><td>4</t [...]
-may have values at a same timestamp, which is called one line of data.</p> <p>Formally, one line of data consists of a <code>device_id</code>, a timestamp which indicates the milliseconds since January 1,
-1970, 00:00:00, and several data pairs composed of <code>measurement_id</code> and corresponding <code>value</code>. All data pairs in one
-line belong to this <code>device_id</code> and have the same timestamp. If one of the <code>measurements</code> does not have a <code>value</code>
-in the <code>timestamp</code>, use a space instead(Actually, TsFile does not store null values). Its format is shown as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_id, timestamp, &lt;measurement_id, value&gt;...
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example is illustrated as follow. In this example, the data type of two measurements are  <code>INT32</code>, <code>FLOAT</code> respectively.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_1, 1490860659000, m1, 10, m2, 12.12
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="writing-tsfile"><a href="#writing-tsfile" class="header-anchor">#</a> Writing TsFile</h3> <h4 id="generate-a-tsfile-file"><a href="#generate-a-tsfile-file" class="header-anchor">#</a> Generate a TsFile File.</h4> <p>A TsFile can be generated by following three steps and the complete code will be given in the section &quot;Example for writing TsFile&quot;.</p> <ul><li><p>First, constr [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>With pre-defined schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(File file, Schema schema) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This one is for using the HDFS file system. <code>TsFileOutput</code> can be an instance of class <code>HDFSOutput</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileOutput output, Schema schema) throws IOException 
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to set some TSFile configuration on your own, you could use param <code>config</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSFileConfig conf = new TSFileConfig();
-conf.setTSFileStorageFs(&quot;HDFS&quot;);
-TsFileWriter tsFileWriter = new TsFileWriter(file, schema, conf);
-</code></pre> <div class="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 this example, data files will be stored in HDFS, instead of local file system. If you'd like to store data files in local file system, you can use <code>conf.setTSFileStorageFs(&quot;LOCAL&quot;)</code>, which is also the default config.</p> <p>You can also config the ip and port of your HDFS by <code>config.se [...]
-public Schema()
-public Schema(Map&lt;String, MeasurementSchema&gt; measurements)
-// Use this two interfaces to add measurements
-public void registerMeasurement(MeasurementSchema descriptor)
-public void registerMeasurements(Map&lt;String, MeasurementSchema&gt; measurements)
-// Some useful getter and checker
-public TSDataType getMeasurementDataType(String measurementId)
-public MeasurementSchema getMeasurementSchema(String measurementId)
-public Map&lt;String, MeasurementSchema&gt; getAllMeasurementSchema()
-public boolean hasMeasurement(String measurementId)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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 a [...]
-​</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void addMeasurement(MeasurementSchema measurementSchema) throws WriteProcessException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The class <code>MeasurementSchema</code> contains the information of one measurement, there are several constructors:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding)
-public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType)
-public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType, 
-Map&lt;String, String&gt; props)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">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><strong>Parameters:</strong>
-​</p> <ul><li><p>measurementID: The name of this measurement, typically the name of the sensor.</p></li> <li><p>type: The data type, now support six types: <code>BOOLEAN</code>, <code>INT32</code>, <code>INT64</code>, <code>FLOAT</code>, <code>DOUBLE</code>, <code>TEXT</code>;</p></li> <li><p>encoding: The data encoding. See <a href="/document/V0.9.x/UserGuide/2-Concept/3-Encoding.html">Chapter 2-3</a>.</p></li> <li><p>compression: The data compression. Now supports <code>UNCOMPRESSED</c [...]
-<code>TEXT</code>. Use as string pairs into a map such as (&quot;max_point_number&quot;, &quot;3&quot;).</p></li></ul> <blockquote><p><strong>Notice:</strong> Although one measurement name can be used in multiple deltaObjects, the properties cannot be changed. I.e.
-it's not allowed to add one measurement name for multiple times with different type or encoding.
-Here is a bad example:</p></blockquote> <pre><code>  // The measurement &quot;sensor_1&quot; is float type
-  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.FLOAT, TSEncoding.RLE));
-  
-  // This call will throw a WriteProcessException exception
-  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.INT32, TSEncoding.RLE));
-</code></pre></li> <li><p>Third, insert and write data continually.</p> <p>Use this interface to create a new <code>TSRecord</code>(a timestamp and device pair).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TSRecord(long timestamp, String deviceId)
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then create a <code>DataPoint</code>(a measurement and value pair), and use the addTuple method to add the DataPoint to the correct
-TsRecord.</p> <p>Use this method to write</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void write(TSRecord record) throws IOException, WriteProcessException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Finally, call <code>close</code> to finish this writing process.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void close() throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <h4 id="example-for-writing-a-tsfile"><a href="#example-for-writing-a-tsfile" class="header-anchor">#</a> Example for writing a TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean install -pl tsfile -am -DskipTests
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You could write a TsFile by constructing <strong>TSRecord</strong> if you have the <strong>non-aligned</strong> (e.g. not all sensors contain values) time series data.</p> <p>A more thorough example can be found at <code>/example/tsfile/src/main/java/org/apache/iotdb/tsfile/TsFileWriteWithTSRecord.java</code></p> <div class="language-java line-numbers-mode"><pre class="language-java"><cod [...]
-
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">File</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><span class="token punctuation">.</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><span class="token punctuation">.</span><span class="token class-name">TSEncoding</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>write</span><span class="token punctuation">.</span><span class="token class-name">TsFileWriter</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>write<span class="token punctuation">.</span>record</span><span class="token punctuation">.</span><span class="token class-name">TSRecord</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">DataPoint</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">FloatDataPoint</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>write<span class="token punctuation">.</span>record<span class="token punctuation">.</span>datapoint</span><span class="token punctuation">.</span><span class="token class-name">IntDataPoint</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>write<span class="token punctuation">.</span>schema</span><span class="token punctuation">.</span><span class="token class-name">MeasurementSchema</span><span class="token punctuation">;</span>
-<span class="token comment">/**
- * An example of writing data to TsFile
- * It uses the interface:
- * public void addMeasurement(MeasurementSchema MeasurementSchema) throws WriteProcessException
- */</span>
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileWriteWithTSRecord</span> <span class="token punctuation">{</span>
-
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span> args<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
-      <span class="token class-name">File</span> f <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">File</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">if</span> <span class="token punctuation">(</span>f<span class="token punctuation">.</span><span class="token function">exists</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        f<span class="token punctuation">.</span><span class="token function">delete</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token punctuation">}</span>
-      <span class="token class-name">TsFileWriter</span> tsFileWriter <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileWriter</span><span class="token punctuation">(</span>f<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-      <span class="token comment">// add measurements into file schema</span>
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_1&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_2&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-      tsFileWriter
-          <span class="token punctuation">.</span><span class="token function">addMeasurement</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_3&quot;</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span class="token punctuation">.</span>INT64<span class="token punctuation [...]
-            
-      <span class="token comment">// construct TSRecord</span>
-      <span class="token class-name">TSRecord</span> tsRecord <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TSRecord</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token string">&quot;device_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint1 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_1&quot;</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint2 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_2&quot;</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token class-name">DataPoint</span> dPoint3 <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LongDataPoint</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_3&quot;</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint1<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint2<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      tsRecord<span class="token punctuation">.</span><span class="token function">addTuple</span><span class="token punctuation">(</span>dPoint3<span class="token punctuation">)</span><span class="token punctuation">;</span>
-            
-      <span class="token comment">// write TSRecord</span>
-      tsFileWriter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>tsRecord<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      
-      <span class="token comment">// close TsFile</span>
-      tsFileWriter<span class="token punctuation">.</span><span class="token function">close</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">catch</span> <span class="token punctuation">(</span><span class="token class-name">Throwable</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">File</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><span class="token punctuation">.</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><span class="token punctuation">.</span><span class="token class-name">TSEncoding</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>write</span><span class="token punctuation">.</span><span class="token class-name">TsFileWriter</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>write<span class="token punctuation">.</span>schema</span><span class="token punctuation">.</span><span class="token class-name">Schema</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>write<span class="token punctuation">.</span>schema</span><span class="token punctuation">.</span><span class="token class-name">MeasurementSchema</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>write<span class="token punctuation">.</span>record</span><span class="token punctuation">.</span><span class="token class-name">RowBatch</span><span class="token punctuation">;</span>
-<span class="token comment">/**
- * An example of writing data with RowBatch to TsFile
- */</span>
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileWriteWithRowBatch</span> <span class="token punctuation">{</span>
-
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token punctuation">{</span>
-    <span class="token keyword">try</span> <span class="token punctuation">{</span>
-      <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
-      <span class="token class-name">File</span> f <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">File</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token keyword">if</span> <span class="token punctuation">(</span>f<span class="token punctuation">.</span><span class="token function">exists</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        f<span class="token punctuation">.</span><span class="token function">delete</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-      <span class="token punctuation">}</span>
-
-      <span class="token class-name">Schema</span> schema <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Schema</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-      <span class="token comment">// the number of rows to include in the row batch</span>
-      <span class="token keyword">int</span> rowNum <span class="token operator">=</span> <span class="token number">1000000</span><span class="token punctuation">;</span>
-      <span class="token comment">// the number of values to include in the row batch</span>
-      <span class="token keyword">int</span> sensorNum <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
-
-      <span class="token comment">// add measurements into file schema (all with INT64 data type)</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">&lt;</span> sensorNum<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        schema<span class="token punctuation">.</span><span class="token function">registerMeasurement</span><span class="token punctuation">(</span>
-                <span class="token keyword">new</span> <span class="token class-name">MeasurementSchema</span><span class="token punctuation">(</span><span class="token string">&quot;sensor_&quot;</span> <span class="token operator">+</span> <span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token class-name">TSDataType</span><span  [...]
-      <span class="token punctuation">}</span>
-
-      <span class="token comment">// add measurements into TSFileWriter</span>
-      <span class="token class-name">TsFileWriter</span> tsFileWriter <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileWriter</span><span class="token punctuation">(</span>f<span class="token punctuation">,</span> schema<span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-      <span class="token comment">// construct the row batch</span>
-      <span class="token class-name">RowBatch</span> rowBatch <span class="token operator">=</span> schema<span class="token punctuation">.</span><span class="token function">createRowBatch</span><span class="token punctuation">(</span><span class="token string">&quot;device_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-      <span class="token keyword">long</span><span class="token punctuation">[</span><span class="token punctuation">]</span> timestamps <span class="token operator">=</span> rowBatch<span class="token punctuation">.</span>timestamps<span class="token punctuation">;</span>
-      <span class="token class-name">Object</span><span class="token punctuation">[</span><span class="token punctuation">]</span> values <span class="token operator">=</span> rowBatch<span class="token punctuation">.</span>values<span class="token punctuation">;</span>
-
-      <span class="token keyword">long</span> timestamp <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span>
-      <span class="token keyword">long</span> value <span class="token operator">=</span> <span class="token number">1000000L</span><span class="token punctuation">;</span>
-
-      <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> r <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> r <span class="token operator">&lt;</span> rowNum<span class="token punctuation">;</span> r<span class="token operator">++</span><span class="token punctuation">,</span> value<span class="token operator">++</span><span class="token punctuation">)</span [...]
-        <span class="token keyword">int</span> row <span class="token operator">=</span> rowBatch<span class="token punctuation">.</span>batchSize<span class="token operator">++</span><span class="token punctuation">;</span>
-        timestamps<span class="token punctuation">[</span>row<span class="token punctuation">]</span> <span class="token operator">=</span> timestamp<span class="token operator">++</span><span class="token punctuation">;</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">&lt;</span> sensorNum<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><span class="token punctuation">[</span><span class="token punctuation">]</span> sensor <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token keyword">long</span><span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> values<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation [...]
-          sensor<span class="token punctuation">[</span>row<span class="token punctuation">]</span> <span class="token operator">=</span> value<span class="token punctuation">;</span>
-        <span class="token punctuation">}</span>
-        <span class="token comment">// write RowBatch to TsFile</span>
-        <span class="token keyword">if</span> <span class="token punctuation">(</span>rowBatch<span class="token punctuation">.</span>batchSize <span class="token operator">==</span> rowBatch<span class="token punctuation">.</span><span class="token function">getMaxBatchSize</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-          tsFileWriter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>rowBatch<span class="token punctuation">)</span><span class="token punctuation">;</span>
-          rowBatch<span class="token punctuation">.</span><span class="token function">reset</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">// write RowBatch to TsFile</span>
-      <span class="token keyword">if</span> <span class="token punctuation">(</span>rowBatch<span class="token punctuation">.</span>batchSize <span class="token operator">!=</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-        tsFileWriter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>rowBatch<span class="token punctuation">)</span><span class="token punctuation">;</span>
-        rowBatch<span class="token punctuation">.</span><span class="token function">reset</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">// close TsFile</span>
-      tsFileWriter<span class="token punctuation">.</span><span class="token function">close</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">catch</span> <span class="token punctuation">(</span><span class="token class-name">Throwable</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</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 [...]
-The last section &quot;sensor_1&quot; is called &quot;measurementId&quot; while the remaining parts &quot;root.area_1.device_1&quot; is called deviceId.
-As mentioned above, the same measurement in different devices has the same data type and encoding, and devices are also unique.</p> <p>In read interfaces, The parameter <code>paths</code> indicates the measurements to be selected.</p> <p>Path instance can be easily constructed through the class <code>Path</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Path p = new Path(&quot;device_1.sensor_1&quot;);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We will pass an ArrayList of paths for final query call to support multiple paths.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>List&lt;Path&gt; paths = new ArrayList&lt;Path&gt;();
-paths.add(new Path(&quot;device_1.sensor_1&quot;));
-paths.add(new Path(&quot;device_1.sensor_3&quot;));
-</code></pre> <div class="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><p><strong>Notice:</strong> When constructing a Path, the format of the parameter should be a dot-separated string, the last part will
-be recognized as measurementId while the remaining parts will be recognized as deviceId.</p></blockquote> <h4 id="definition-of-filter"><a href="#definition-of-filter" class="header-anchor">#</a> Definition of Filter</h4> <h5 id="usage-scenario"><a href="#usage-scenario" class="header-anchor">#</a> Usage Scenario</h5> <p>Filter is used in TsFile reading process to select data satisfying one or more given condition(s).</p> <h4 id="iexpression"><a href="#iexpression" class="header-anchor"> [...]
-We create one or more filter expressions and may use binary filter operators to link them to our final expression.</p> <ul><li><p><strong>Create a Filter Expression</strong></p> <p>There are two types of filters.</p> <ul><li><p>TimeFilter: A filter for <code>time</code> in time-series data.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Use the following relationships to get a <code>TimeFilter</code> object (value is a long int variable).
-<center><table style="text-align:center;"><tr><th>Relationship</th><th>Description</th></tr> <tr><td>TimeFilter.eq(value)</td><td>Choose the time equal to the value</td></tr> <tr><td>TimeFilter.lt(value)</td><td>Choose the time less than the value</td></tr> <tr><td>TimeFilter.gt(value)</td><td>Choose the time greater than the value</td></tr> <tr><td>TimeFilter.ltEq(value)</td><td>Choose the time less than or equal to the value</td></tr> <tr><td>TimeFilter.gtEq(value)</td><td>Choose the t [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The usage of  <code>ValueFilter</code> is the same as using <code>TimeFilter</code>, just to make sure that the type of the value
-equal to the measurement's(defined in the path).</p></li></ul></li> <li><p><strong>Binary Filter Operators</strong></p> <p>Binary filter operators can be used to link two single expressions.</p> <ul><li>BinaryExpression.and(Expression, Expression): Choose the value satisfy for both expressions.</li> <li>BinaryExpression.or(Expression, Expression): Choose the value satisfy for at least one expression.</li></ul></li></ul> <h5 id="filter-expression-examples"><a href="#filter-expression-exam [...]
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.ltEq(15)); // series time &lt;= 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.lt(15)); // series time &lt; 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.gtEq(15)); // series time &gt;= 15
-
-</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>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.notEq(15)); // series time != 15
-
-</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>IExpression timeFilterExpr = BinaryExpression.and(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
-                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // 15 &lt;= series time &lt; 25
-</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>IExpression timeFilterExpr = BinaryExpression.or(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
-                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // series time &gt;= 15 or series time &lt; 25
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="read-interface"><a href="#read-interface" class="header-anchor">#</a> Read Interface</h4> <p>First, we open the TsFile and get a <code>ReadOnlyTsFile</code> instance from a file path string <code>path</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TsFileSequenceReader reader = new TsFileSequenceRe [...]
-   
-ReadOnlyTsFile readTsFile = new ReadOnlyTsFile(reader);
-</code></pre> <div class="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>Next, we prepare the path array and query expression, then get final <code>QueryExpression</code> object by this interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>QueryExpression queryExpression = QueryExpression.create(paths, statement);
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The ReadOnlyTsFile class has two <code>query</code> method to perform a query.</p> <ul><li><p><strong>Method 1</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p><strong>Method 2</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression, long partitionStartOffset, long partitionEndOffset) throws IOException
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This method is designed for advanced applications such as the TsFile-Spark Connector.</p> <ul><li><p><strong>params</strong> : For method 2, two additional parameters are added to support partial query:</p> <ul><li><code>partitionStartOffset</code>: start offset for a TsFile</li> <li><code>partitionEndOffset</code>: end offset for a TsFile</li></ul> <blockquote><p><strong>What is Partial  [...]
- INT32,
- INT64,
- FLOAT,
- DOUBLE,
- TEXT;
-</code></pre></li> <li><p><code>RowRecord next() throws IOException;</code></p> <p>Get the next record.</p> <p>The class <code>RowRecord</code> consists of a <code>long</code> timestamp and a <code>List&lt;Field&gt;</code> for data in different sensors,
-we can use two getter methods to get them.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>long getTimestamp();
-List&lt;Field&gt; getFields();
-</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 get data from one Field, use these methods:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSDataType getDataType();
-Object getObjectValue();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="example-for-reading-an-existing-tsfile"><a href="#example-for-reading-an-existing-tsfile" class="header-anchor">#</a> Example for reading an existing TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <p>A more thorough example with query statement can be found at
-<code>/tsfile/example/src/main/java/org/apache/iotdb/tsfile/TsFileRead.java</code></p> <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>tsfile</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">IOException</span><span class="token punctuation">;</span>
-<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">ArrayList</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>read</span><span class="token punctuation">.</span><span class="token class-name">ReadOnlyTsFile</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>read</span><span class="token punctuation">.</span><span class="token class-name">TsFileSequenceReader</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>read<span class="token punctuation">.</span>common</span><span class="token punctuation">.</span><span class="token class-name">Path</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>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">IExpression</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>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">QueryExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">BinaryExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">GlobalTimeExpression</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>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">SingleSeriesExpression</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>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">TimeFilter</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>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">ValueFilter</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>read<span class="token punctuation">.</span>query<span class="token punctuation">.</span>dataset</span><span class="token punctuation">.</span><span class="token class-name">QueryDataSet</span><span class="token punctuation">;</span>
-
-<span class="token comment">/**
- * The class is to show how to read TsFile file named &quot;test.tsfile&quot;.
- * The TsFile file &quot;test.tsfile&quot; is generated from class TsFileWrite.
- * Run TsFileWrite to generate the test.tsfile first
- */</span>
-<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileRead</span> <span class="token punctuation">{</span>
-  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">queryAndPrint</span><span class="token punctuation">(</span><span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths<span class="token punctuation">,</span> <span class="token [...]
-          <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
-    <span class="token class-name">QueryExpression</span> queryExpression <span class="token operator">=</span> <span class="token class-name">QueryExpression</span><span class="token punctuation">.</span><span class="token function">create</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> statement<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">QueryDataSet</span> queryDataSet <span class="token operator">=</span> readTsFile<span class="token punctuation">.</span><span class="token function">query</span><span class="token punctuation">(</span>queryExpression<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token keyword">while</span> <span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
-      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">next</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 class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-  <span class="token punctuation">}</span>
-
-  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punct [...]
-
-    <span class="token comment">// file path</span>
-    <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
-
-    <span class="token comment">// create reader and get the readTsFile interface</span>
-    <span class="token class-name">TsFileSequenceReader</span> reader <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token class-name">ReadOnlyTsFile</span> readTsFile <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">(</span>reader<span class="token punctuation">)</span><span class="token punctuation">;</span>
-    <span class="token comment">// use these paths(all sensors) for all the queries</span>
-    <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths <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">&lt;</span><span class="token punctuation">&gt;</span></span><span class="token punct [...]
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_2&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">// no query statement</span>
-    <span class="token function">queryAndPrint</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> readTsFile<span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
-
-    <span class="token comment">//close the reader when you left</span>
-    reader<span class="token punctuation">.</span><span class="token function">close</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 [...]
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>and then call:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSFileConfig config = TSFileDescriptor.getInstance().getConfig();
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="bloom-filter"><a href="#bloom-filter" class="header-anchor">#</a> Bloom filter</h2> <p>Bloom filter checks whether a given time series is in the tsfile before loading metadata. This can improve the performance of loading metadata and skip the tsfile that doesn't contain specified time series.
-If you want to learn more about its mechanism, you can refer to: <a href="https://en.wikipedia.org/wiki/Bloom_filter" target="_blank" rel="noopener noreferrer">wiki page of bloom filter<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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 f [...]
-bloom_filter_error_rate=0.05
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <div class="page-edit"><!----> <!----></div> <!----> </div> <!----></div></div>
-    <script src="/assets/js/app.7093b970.js" defer></script><script src="/assets/js/76.c613790a.js" defer></script>
-  </body>
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diff --git a/docs/.vuepress/dist/document/V0.9.x/UserGuide/5-Operation Manual/1-DDL Data Definition Language.html b/docs/.vuepress/dist/document/V0.9.x/UserGuide/5-Operation Manual/1-DDL Data Definition Language.html
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--- a/docs/.vuepress/dist/document/V0.9.x/UserGuide/5-Operation Manual/1-DDL Data Definition Language.html	
+++ /dev/null
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-IoTDB &gt; set storage group to 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 there  [...]
-Msg: org.apache.iotdb.exception.MetadataErrorException: org.apache.iotdb.exception.PathErrorException: The prefix of root.ln.wf01 has been set to the 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><h3 id="show-storage-group"><a href="#show-storage-group" class="header-anchor">#</a> Show Storage Group</h3> <p>After the storage group is created, we can use the <a href="/document/V0.9.x/UserGuide/5-Operation Manual/4-SQL Reference.html">SHOW STORAGE GROUP</a> statement to view all the storage groups. The SQL statement is as follows:</p> <div class="l [...]
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