jadami10 commented on issue #12230:
URL: https://github.com/apache/pinot/issues/12230#issuecomment-1879881573

   > thus the behavior of exploding the mvCol during group by should happen 
after the filter.
   
   well that is what is happening. It seems we fetch all the rows with the 
filtered column, then explode it. 
   
   we were discussing internally, and technically if the behavior were to 
change such that the filter removes the exploded values, then there would be no 
way to say "group by all MV values where any value equaled X". So maybe this is 
fine as is?


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