xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Update index.md

This commit is contained in:
wade zhang 2022-05-31 16:18:34 +08:00 committed by GitHub
parent 7bcc753ae7
commit 2bc9d1d703
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
docs-cn/12-taos-sql/12-keywords/index.md
View File

@ -119,10 +119,10 @@ taos> SELECT COUNT(tbname) FROM meters WHERE groupId > 2;
Query OK, 1 row(s) in set (0.001091s) Query OK, 1 row(s) in set (0.001091s)
``` ```
### _QSTART/_QSTOP/_QDURATION ### _QSTART/_QSTOP/_QDURATION
表示查询过滤窗口的起始，结束以及持续时间 (从2.6.0.0版本开始支持) 表示查询过滤窗口的起始，结束以及持续时间。
### _WSTART/_WSTOP/_WDURATION ### _WSTART/_WSTOP/_WDURATION
窗口切分聚合查询（例如 interval/session window/state window）中表示每个切分窗口的起始，结束以及持续时间（从 2.6.0.0 版本开始支持） 窗口切分聚合查询（例如 interval/session window/state window）中表示每个切分窗口的起始，结束以及持续时间。
### _c0/_ROWTS ### _c0/_ROWTS
_c0 _ROWTS 等价，表示表或超级表的第一列 _c0 _ROWTS 等价，表示表或超级表的第一列