rubenada commented on PR #4614:
URL: https://github.com/apache/calcite/pull/4614#issuecomment-3491757925

   @suibianwanwank @iwanttobepowerful , not entirely sure, but I have the 
impression that the "LEFT" approach might be valid if the Aggregate results is 
not further manipulated (as in the counter-example propased by @suibianwanwank 
), i.e. we could avoid the rewrite if the Correlate is LEFT and the Aggregate 
is directly its right child (this seems to fix the counter-example).
   I've just pushed a new commit with this idea.
   


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