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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/05/11 07:35:25 UTC

[GitHub] [spark] Ngone51 edited a comment on pull request #28496: [SPARK-31620][SQL] Use TreeTagNode to preserve inputAggBufferAttributes for agg function

Ngone51 edited a comment on pull request #28496:
URL: https://github.com/apache/spark/pull/28496#issuecomment-626522757


   > Is there any material about makeCopy, tag etc... To better know the TreeNode.
   
   Just check the source code?
   
   fyi, tags could be copied along with makeCopy @AngersZhuuuu 


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