emptyOVO opened a new issue, #11226: URL: https://github.com/apache/inlong/issues/11226
### Description * parent issue: #10796 * from flinksql: https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/functions/systemfunctions/#string-functions * value1 IS DISTINCT FROM value2--Returns TRUE if two values are different. NULL values are treated as identical here. * value1 IS NOT DISTINCT FROM value2--Returns TRUE if two values are equal. NULL values are treated as identical here. ### Use case ``` 1 IS DISTINCT FROM NULL returns TRUE; NULL IS DISTINCT FROM NULL returns FALSE. 1 IS NOT DISTINCT FROM NULL returns FALSE; NULL IS NOT DISTINCT FROM NULL returns TRUE. ``` ### 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
