lirui-apache commented on pull request #15406: URL: https://github.com/apache/flink/pull/15406#issuecomment-809124337
Hi @twalthr The copied code is used to support hive dialect for different hive versions. And also allows us to extend hive syntax to support more features in the future. It was discussed in the `Support Multiple Hive Versions` section of [FLIP-152](https://cwiki.apache.org/confluence/display/FLINK/FLIP-152%3A+Hive+Query+Syntax+Compatibility). -- 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. For queries about this service, please contact Infrastructure at: [email protected]
