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

Update 06-select.md

This commit is contained in:
shenglian-zhou 2023-08-04 09:55:08 +08:00 committed by GitHub
parent abe15cc68e
commit 9773bb25f9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/zh/12-taos-sql/06-select.md
View File

@ -315,7 +315,7 @@ WHERE (column|tbname) match/MATCH/nmatch/NMATCH _regex_
### 使用限制
只能针对表名（即 tbname 筛选）、binary/nchar 类型标签值进行正则表达式过滤，不支持普通列的过滤。
只能针对表名（即 tbname 筛选）、binary/nchar 类型值进行正则表达式过滤。
正则匹配字符串长度不能超过 128 字节。可以通过参数 _maxRegexStringLen_ 设置和调整最大允许的正则匹配字符串，该参数是客户端配置参数，需要重启才能生效。