Github user JoshRosen commented on the issue:
https://github.com/apache/spark/pull/15289
@ioana-delaney, to clarify, are you suggesting that there are predicates
which we could correctly be pushing down past aggregates but are not pushing? I
believe that the current logic encompasses all of the cases that are safe to
push.
Or are you suggesting that we're affecting correctness by not keeping the
original predicate following the pushdown?
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