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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/27 06:09:49 UTC

[GitHub] [spark] viirya commented on issue #27702: [SPARK-30955][SQL] Exclude Generate output when aliasing in nested column pruning

viirya commented on issue #27702: [SPARK-30955][SQL] Exclude Generate output when aliasing in nested column pruning
URL: https://github.com/apache/spark/pull/27702#issuecomment-591800373
 
 
   > how does this relate to #27517?
   
   This is to fix a bug when pruning nested column in Project on top of Generate.
   
   #27517 extends the nested column pruning to a single Generate without Project.
   
   
   

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