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

docs: refine keywords in 3.0

This commit is contained in:
gccgdb1234 2022-05-31 16:11:26 +08:00
parent 1f833afebc
commit 6bf44b6aa2
2 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
docs-cn/12-taos-sql/12-keywords/index.md
View File

@ -86,7 +86,7 @@ title: TDengine 参数限制与保留关键字
| CONNS | ID | NOTNULL | STABLE | WAL |
| COPY | IF | NOW | STABLES | WHERE |
| _C0 | _QSTART | _QSTOP | _QDURATION | _WSTART |
| _WSTOP | _WDURATION |
| _WSTOP | _WDURATION | _ROWTS |
## 特殊说明
### TBNAME
@ -124,5 +124,5 @@ Query OK, 1 row(s) in set (0.001091s)
### _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）
### _c0
表示表或超级表的第一列
### _c0/_ROWTS
_c0 _ROWTS 等价，表示表或超级表的第一列

8
docs-en/12-taos-sql/12-keywords.md
View File

@ -47,11 +47,11 @@ There are about 200 keywords reserved by TDengine, they can't be used as the nam
| CONNS | ID | NOTNULL | STable | WAL |
| COPY | IF | NOW | STableS | WHERE |
| _C0 | _QSTART | _QSTOP | _QDURATION | _WSTART |
| _WSTOP | _WDURATION |
| _WSTOP | _WDURATION | _ROWTS |
## Explanations
### TBNAME
`TBNAME` can be considered as a special tag, which represents the name of the subtable, in STable.
`TBNAME` can be considered as a special tag, which represents the name of the subtable, in a STable.
Get the table name and tag values of all subtables in a STable.
```mysql
@ -85,5 +85,5 @@ The start, stop and duration of a query time window (Since version 2.6.0.0).
### _WSTART/_WSTOP/_WDURATION
The start, stop and duration of aggegate query by time window, like interval, session window, state window (Since version 2.6.0.0).
### _c0
The first column of a table or STable.
### _c0/_ROWTS
_c0 is equal to _ROWTS, it means the first column of a table or STable.