Andrey Gubichev

[SPARK-46743] Count bug after constant folding

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### What changes were proposed in this pull request? This covers a corner case in the COUNT bug handling. Right now it is split across two rules (PullupCorrelatedPredicates and RewriteCorrelatedScalarSubquery),...

[SPARK-50033] Add a hint to logical.Aggregate() node

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### What changes were proposed in this pull request? Adds an abstract hint to the case class of Aggregate(). ### Why are the changes needed? Ability to provide hints to...