morningman commented on a change in pull request #1434: Add aggregate function doc URL: https://github.com/apache/incubator-doris/pull/1434#discussion_r300580803
########## File path: docs/documentation/cn/sql-reference/sql-functions/aggregate-functions/group_concat.md ########## @@ -0,0 +1,21 @@ +# GROUP_CONCAT + +## Syntax + +`GROUP_CONCAT(expr)` + +## Description + +用于返回选中字段字符串连接起来的新字符串 + +使用逗号连接 + +## Examples +``` +MySQL> select group_concat(`query_id`) from log_statis group by datetime; Review comment: This example does not precisely describe the group_concat's result ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
