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Posted to commits@iotdb.apache.org by qi...@apache.org on 2019/08/10 10:14:34 UTC
[incubator-iotdb] branch fix_readme created (now 8df2035)
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qiaojialin pushed a change to branch fix_readme
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git.
at 8df2035 fix readme errors
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new 8df2035 fix readme errors
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[incubator-iotdb] 01/01: fix readme errors
Posted by qi...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
qiaojialin pushed a commit to branch fix_readme
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git
commit 8df203500362de3a2ffb588e654641e0de769536
Author: qiaojialin <64...@qq.com>
AuthorDate: Sat Aug 10 18:14:18 2019 +0800
fix readme errors
---
README.md | 48 ++++++++++++++++++++++++++----------------------
1 file changed, 26 insertions(+), 22 deletions(-)
diff --git a/README.md b/README.md
index 564583b..c7e9058 100644
--- a/README.md
+++ b/README.md
@@ -136,7 +136,7 @@ Otherwise, you may need to check the error statements and fix the problems.
After build, the IoTDB project will be at the folder "server/target/iotdb-server-{project.version}". The folder will include the following contents:
```
-server/iotdb/ <-- root path
+server/target/iotdb-server-{project.version} <-- root path
|
+- sbin/ <-- script files for starting and stopping the server
|
@@ -147,6 +147,8 @@ server/iotdb/ <-- root path
+- lib/ <-- project dependencies
```
+> NOTE: Directories "service-rpc/target/generated-sources/thrift" and "server/target/generated-sources/antlr3" need to be added to sources roots to avoid compilation errors.
+
## Configure
Before starting to use IoTDB, you need to config the configuration files first. For your convenience, we have already set the default config in the files.
@@ -226,9 +228,9 @@ But lets try something slightly more interesting:
```
IoTDB> SET STORAGE GROUP TO root.vehicle
-execute successfully.
+It costs xxxs
IoTDB> CREATE TIMESERIES root.vehicle.d0.s0 WITH DATATYPE=INT32, ENCODING=RLE
-execute successfully.
+It costs xxxs
```
Till now, we have already create a table called root.vehicle and add a column called d0.s0 in the table. Let's take a look at what we have done by 'SHOW TIMESERIES' command.
@@ -236,37 +238,39 @@ Till now, we have already create a table called root.vehicle and add a column ca
IoTDB> SHOW TIMESERIES
=== Timeseries Tree ===
-root:{
- vehicle:{
- d0:{
- s0:{
- DataType: INT32,
- Encoding: RLE,
- Compressor: UNCOMPRESSED,
- args: {},
- StorageGroup: root.vehicle
- }
+{
+ "root":{
+ "vehicle":{
+ "d0":{
+ "s0":{
+ "args":"{}",
+ "StorageGroup":"root.vehicle",
+ "DataType":"INT32",
+ "Compressor":"UNCOMPRESSED",
+ "Encoding":"RLE"
+ }
+ }
+ }
}
- }
}
```
Insert time series data is the basic operation of IoTDB, you can use 'INSERT' command to finish this:
```
IoTDB> insert into root.vehicle.d0(timestamp,s0) values(1,101);
-execute successfully.
+It costs xxxs
```
The data we've just inserted displays like this:
```
IoTDB> SELECT d0.s0 FROM root.vehicle
-+-----------------------+------------------+
-| Time|root.vehicle.d0.s0|
-+-----------------------+------------------+
-|1970-01-01T08:00:00.001| 101|
-+-----------------------+------------------+
-record number = 1
-execute successfully.
++-----------------------------+------------------+
+| Time|root.vehicle.d0.s0|
++-----------------------------+------------------+
+|1970-01-01T08:00:00.001+08:00| 101|
++-----------------------------+------------------+
+Total line number = 1
+It costs xxxs
```
If your session looks similar to what's above, congrats, your IoTDB is operational!