LuciferYang commented on pull request #24809: URL: https://github.com/apache/spark/pull/24809#issuecomment-711708398
There are some bad case with this pr, for example @wangyum described in SPARK-33128: ``` SELECT 1 UNION SELECT 1 UNION ALL SELECT 1 ``` this case can be passed in Hive 2.3 and Spark 2.4, but failed with this pr. ---------------------------------------------------------------- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
