linrrzqqq commented on PR #56446: URL: https://github.com/apache/doris/pull/56446#issuecomment-3333084238
> 这个不光是substr的别名，它支持多种格式输入：[MID(str,pos)](https://dev.mysql.com/doc/refman/8.4/en/string-functions.html#function_mid), [MID(str FROM pos)](https://dev.mysql.com/doc/refman/8.4/en/string-functions.html#function_mid), [MID(str,pos,len)](https://dev.mysql.com/doc/refman/8.4/en/string-functions.html#function_mid), [MID(str FROM pos FOR len)](https://dev.mysql.com/doc/refman/8.4/en/string-functions.html#function_mid) substr也支持这些输入格式 -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
