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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/08/19 09:58:52 UTC

[GitHub] [spark] bart-samwel commented on pull request #29243: [SPARK-32444][SQL] Infer filters from DPP

bart-samwel commented on pull request #29243:
URL: https://github.com/apache/spark/pull/29243#issuecomment-676063782


   The partition pruning already prunes all partitions that don't satisfy that predicate, so all remaining rows will satisfy that predicate, right? Where is the performance gain then?


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