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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/01/17 07:27:10 UTC

[GitHub] [spark] cloud-fan commented on pull request #35220: [SPARK-37922][SQL] Improve `SimplifyCasts` to remove useless cast

cloud-fan commented on pull request #35220:
URL: https://github.com/apache/spark/pull/35220#issuecomment-1014216545


   Interesting. This simple change improves the plan for many TPC-DS queries, which is a low-hanging fruit that we have been missing for quite a while. Good catch!
   
   cc @sigmod 


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