andygrove commented on PR #4129:
URL: 
https://github.com/apache/datafusion-comet/pull/4129#issuecomment-4339466353

   > Thanks @andygrove this is a nice cleanup, just thinking aloud about dedup 
can it be a situation when the same query has diff plans between Spark versions?
   
   Yes, some queries have different plans between Spark versions. There are 
some optimizer changes in 4.1 that affected a few queries and produced 
different plans than 4.0, but most queries were not affected.


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