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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/06/09 16:45:00 UTC

[GitHub] [spark] wangyum commented on pull request #28734: [SPARK-31912][SQL][TESTS] Normalize all binary comparison expressions

wangyum commented on pull request #28734:
URL: https://github.com/apache/spark/pull/28734#issuecomment-641355129


   I encountered this issue when inferring from inequality attributes before, Its order may change:
   https://github.com/apache/spark/blob/bfa60393789673b1cd77fbda038cdc8c17c1a866/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/InferFiltersFromConstraintsSuite.scala#L402-L407


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