liuyongvs opened a new pull request, #20747: URL: https://github.com/apache/flink/pull/20747
## What is the purpose of the change *Add built-in datediff function* ## Brief change log Syntax: - DATEDIFF(expr1,expr2) Returns: - returns expr1 − expr2 expressed as a value in days from one date to the other. expr1 and expr2 are date or date-and-time expressions. Only the date parts of the values are used in the calculation. - This function returns NULL if expr1 or expr2 is NULL. See more: - mysql: https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_datediff ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: ( no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (yes) - If yes, how is the feature documented? (docs) -- 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]
