sigmod commented on code in PR #36177:
URL: https://github.com/apache/spark/pull/36177#discussion_r849719925
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/joins.scala:
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@@ -166,6 +176,14 @@ object EliminateOuterJoin extends Rule[LogicalPlan] with
PredicateHelper {
}
}
+ private def hasNotDuplicateAgnosticAggregateFunction(
+ aggregateExpressions: Seq[NamedExpression]): Boolean = {
+ aggregateExpressions.exists(_.exists {
+ case agg: AggregateFunction =>
!EliminateDistinct.isDuplicateAgnostic(agg)
Review Comment:
Maybe you can fix `isDuplicateAgnostic` in a separate PR and backport it?
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