Zkplo opened a new issue, #11064: URL: https://github.com/apache/inlong/issues/11064
### Description - parent issue #10796 - MySql Official Description: https://dev.mysql.com/doc/refman/8.4/en/flow-control-functions.html#function_nullif NULLIF(expr1,expr2): Returns NULL if expr1 = expr2 is true, otherwise returns expr1. ### Use case ``` NULLIF(1,1) -> NULL NULLIF(1,2) -> 1 NULLIF(1,null) -> 1 NULLIF(null,null) or NULLIF(null,2) -> null ``` ### 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
