Merge pull request #29195 from tangjiali/patch-1

fix: 删除多余的结尾半括号
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Shengliang Guan 2024-12-18 16:03:55 +08:00 committed by GitHub
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@ -175,7 +175,7 @@ TDengine 对于修改数据提供两种处理方式,由 IGNORE UPDATE 选项
用户可以为每个 partition 对应的子表生成自定义的 TAG 值,如下创建流的语句,
```sql
CREATE STREAM output_tag trigger at_once INTO output_tag_s TAGS(alias_tag varchar(100)) as select _wstart, count(*) from power.meters partition by concat("tag-", tbname) as alias_tag interval(10s));
CREATE STREAM output_tag trigger at_once INTO output_tag_s TAGS(alias_tag varchar(100)) as select _wstart, count(*) from power.meters partition by concat("tag-", tbname) as alias_tag interval(10s);
```
在 PARTITION 子句中,为 concat"tag-" tbname定义了一个别名 alias_tag 对应超级表 output_tag_s 的自定义 TAG 的名字。在上述示例中,流新创建的子表的 TAG 将以前缀 'tag-' 连接原表名作为 TAG 的值。会对 TAG 信息进行如下检查。