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

Update 14-stream.md

This commit is contained in:
Haojun Liao 2023-04-25 16:58:00 +08:00 committed by GitHub
parent 90b3f0093b
commit f720feb56d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
docs/zh/12-taos-sql/14-stream.md
View File

@ -216,26 +216,26 @@ T = 最新事件时间 - DELETE_MARK
## 流式计算支持的函数 ## 流式计算支持的函数
1. 所有的单行函数均可用于流计算中。 1. 所有的[单行函数](../function/#单行函数)均可用于流计算。
2. 以下 19 个聚合函数不能在创建流计算的 SQL 语句中使用 2. 以下 19 个聚合/选择函数<b>不能</b>在创建流计算的 SQL 语句，[系统信息函数](../function/#系统信息函数)其他类型的聚合函数均可用于流计算。
```
leastsquares - [leastsquares](../function/#leastsquares)
percentile - [percentile](../function/#percentile)
top - [top](../function/#leastsquares)
bottom - [bottom](../function/#top)
elapsed - [elapsed](../function/#leastsquares)
interp - [interp](../function/#elapsed)
derivative - [derivative](../function/#derivative)
irate - [irate](../function/#irate)
twa - [twa](../function/#twa)
histogram - [histogram](../function/#histogram)
diff - [diff](../function/#diff)
statecount - [statecount](../function/#statecount)
stateduration - [stateduration](../function/#stateduration)
csum - [csum](../function/#csum)
mavg - [mavg](../function/#mavg)
sample - [sample](../function/#sample)
tail - [tail](../function/#tail)
unique - [unique](../function/#unique)
mode - [mode](../function/#mode)
```