[GitHub] [spark] wangyum commented on pull request #40114: [SPARK-42513][SQL] Push down topK through join

Sat, 11 Mar 2023 07:51:57 -0800 


wangyum commented on PR #40114:
URL: https://github.com/apache/spark/pull/40114#issuecomment-1464940304

   This is a real case from production: `SELECT ... LIMIT 5000`
   Before this PR | After this PR
   -- | --
   <img 
src="https://user-images.githubusercontent.com/5399861/224493524-a0aac742-025f-4e1b-9551-82d07f32bce0.jpg";
 width="400" height="750"> | <img 
src="https://user-images.githubusercontent.com/5399861/224493280-09d487db-be57-4a80-8051-1c1ab8bf3109.jpg";
 width="400" height="750">
   


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