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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/09/01 14:45:22 UTC

[GitHub] [spark] cloud-fan commented on pull request #29593: [SPARK-32753][SQL] Update logical link when eliminating Exchange with same partitioning with AQE

cloud-fan commented on pull request #29593:
URL: https://github.com/apache/spark/pull/29593#issuecomment-684907700


   > That leads to a new physical node of ShuffleQueryStage which will replace HashAggregate(ShuffleQueryStage...) where the final aggregate is lost
   
   Can you elaborate more? Is the "new physical node" produced by reoptimizing and replanning?


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