b.NAME,array_agg(t.name)FROMbooks bLEFTJOINtags tONt."id"=ANY( STRING_TO_ARRAY( b.tags,',') )GROUPBYb.ID, b.NAMEORDERBYb.ID-- 结果-- 01 Book01 {Tag01}-- 02 Book02 {Tag01,Tag02}-- 03 Book03 {Tag01,Tag02,Tag03}
sqlserver2008 any(string_to_array用法 在SQL Server 2008中,`STRING_SPLIT`函数用于将一个字符串拆分为多个子字符串,并返回一个表,其中包含拆分后的子字符串。不过需要注意的是,`STRING_SPLIT`函数只在SQL Server 2016版本及更高版本中可用。在SQL Server 2008中,可以使用`Xml`数据类型和`nodes()`方法来模拟...
No parameter may have the same value as any other parameter.collection_delimiter The character or character sequence used to separate array elements (VARCHAR(8)). You can use any ASCII values in the range E'\000' to E'\177', inclusive. Default: Comma (','). collection_open, collection...
sql SELECT * FROM users WHERE 'some_tag' = ANY(string_to_array(tags, ',')); 这将返回所有 tags 列中包含 'some_tag' 的用户。 总之,string_to_array 是一个在 PostgreSQL 中处理字符串并将其转换为数组时非常有用的函数。©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协...
( SELECT string_agg(ui."name",',') FROM user_info ui WHERE CAST ( ui.user_id AS VARCHAR ) = ANY ( string_to_array( alarm_user, ',' ) ) ) alarm_user_name, (select string_agg(sdd.dict_value,',') from sys_dict_data sdd where CAST(sdd.dict_code as VARCHAR)= ANY(string_to...
array_to_string(anyarray, text [, text]) 描述:使用第一个text作为数组的新分隔符,使用第二个text替换数组值为null的值。 返回类型:text 示例: SELECT array_to_string(ARRAY[1, 2, 3, NULL, 5], ',', '*') AS RESULT; result --- 1,2,3,*,5(1 row) 在string_to_array中,如果省略null字...
问未使用string_to_array(long_string，'，')上的Postgres函数索引EN1.装好Postgres 2.开启远程访问 ...
anyarray | 2277 操作符如下 : digoal=> select oprname,oprleft,oprright,oprresult,oprcode,oprrest,oprjoin from pg_operator where oprleft=2277 or oprright=2277; oprname | oprleft | oprright | oprresult | oprcode | oprrest | oprjoin ...
By default, when we specify or apply the split() function on any string, it will take “white space” as a separator or delimiter. Hence, if we have any string having any special characters and we want only to extract an array of strings, then we can specify that special character as...
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