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Merge pull request #16271 from taosdata/feature/stream 

docs(stream)
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Hui Li 2022-08-22 10:03:29 +08:00 committed by GitHub
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docs/zh/12-taos-sql/14-stream.md
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@ -44,6 +44,7 @@ window_clause: {
```sql ```sql
CREATE STREAM avg_vol_s INTO avg_vol AS CREATE STREAM avg_vol_s INTO avg_vol AS
SELECT _wstartts, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s); SELECT _wstartts, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s);
```
## 流式计算的 partition ## 流式计算的 partition
@ -52,7 +53,6 @@ SELECT _wstartts, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVA
不带 PARTITION BY 选项时，所有的数据将写入到一张子表。 不带 PARTITION BY 选项时，所有的数据将写入到一张子表。
流式计算创建的超级表有唯一的 tag 列 groupId，每个 partition 会被分配唯一 groupId。与 schemaless 写入一致，我们通过 MD5 计算子表名，并自动创建它。 流式计算创建的超级表有唯一的 tag 列 groupId，每个 partition 会被分配唯一 groupId。与 schemaless 写入一致，我们通过 MD5 计算子表名，并自动创建它。
```
## 删除流式计算 ## 删除流式计算