Merge pull request #22306 from taosdata/54liuyao-patch-2

Update 14-stream.md
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Haojun Liao 2023-08-17 14:30:31 +08:00 committed by GitHub
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@ -249,3 +249,12 @@ T = 最新事件时间 - DELETE_MARK
- [unique](../function/#unique)
- [mode](../function/#mode)
## 暂停、恢复流计算
1.流计算暂停计算任务
PAUSE STREAM [IF EXISTS] stream_name;
没有指定IF EXISTS如果该stream不存在则报错如果存在则暂停流计算。指定了IF EXISTS如果该stream不存在则返回成功如果存在则暂停流计算
2.流计算恢复计算任务
RESUME STREAM [IF EXISTS] [IGNORE UNTREATED] stream_name;
没有指定IF EXISTS如果该stream不存在则报错如果存在则恢复流计算指定了IF EXISTS如果stream不存在则返回成功如果存在则恢复流计算。如果指定IGNORE UNTREATED则恢复流计算时忽略流计算暂停期间写入的数据。