You are viewing a plain text version of this content. The canonical link for it is here.

Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/01/13 02:44:10 UTC

[GitHub] [spark] LantaoJin commented on pull request #35168: [SPARK-37865][SQL]Spark should not dedup the grouping Expressions when the first child of union has duplicate columns

LantaoJin commented on pull request #35168:
URL: https://github.com/apache/spark/pull/35168#issuecomment-1011708747


   > Does this PR introduce any user-facing change?
   > Yes. When we union with the first child has duplicate columns, the result would be different.
   
   @chasingegg I think this PR doesn't introduce any user-facing change. The Spark behavior which this PR to fix is buggy.
   


-- 
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: reviews-unsubscribe@spark.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org