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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/05/07 04:41:41 UTC

[GitHub] [spark] kiszk commented on pull request #32457: [SPARK-35329][SQL] Split generated switch code into pieces in ExpandExec

kiszk commented on pull request #32457:
URL: https://github.com/apache/spark/pull/32457#issuecomment-834059937


   This code seems to generate # of methods that is equals to # of columns. Am I correct?   
   Does this splitting cause no performance degradation?  If there is a possibility, it would be good to introduce a threshold.


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