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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/05/21 02:59:36 UTC

[GitHub] [spark] HyukjinKwon commented on pull request #32595: [SPARK-35449][SQL] Only extract common expressions from CaseWhen values if elseValue is set

HyukjinKwon commented on pull request #32595:
URL: https://github.com/apache/spark/pull/32595#issuecomment-845616346


   @Kimahriman would you mind describing what behaviour change (bug fix) happens in "Does this PR introduce any user-facing change?"? The fix itself looks making sense but it would be great to clarify what bug is fixed by this too.


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