Zkplo opened a new issue, #11233: URL: https://github.com/apache/inlong/issues/11233
### Description - parent issue #10796 - MySql Official Description: https://dev.mysql.com/doc/refman/8.4/en/string-functions.html#function_mid The MID function extracts characters from the given string data.It is used in the same way as the substring function. ### Use case _No response_ ### Are you willing to submit PR? - [X] Yes, I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- 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: dev-unsubscr...@inlong.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org