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Posted to reviews@spark.apache.org by "LuciferYang (via GitHub)" <gi...@apache.org> on 2023/04/18 13:32:19 UTC

[GitHub] [spark] LuciferYang commented on pull request #37630: [SPARK-40193][SQL] Merge subquery plans with different filters

LuciferYang commented on PR #37630:
URL: https://github.com/apache/spark/pull/37630#issuecomment-1513167486

   Tested this pr using 10TB TPC-DS, the latency of q9 has been reduced by 83.39% in my production environment.
   
   |          | Master | SPARK-40193 | Percentage|
   |---------------|-----------|-------------------------|--------------------|
   | q9    | 88895.32683 ms       | 14766.8049           | 83.39% |
   


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