cloud-fan commented on a change in pull request #31913:
URL: https://github.com/apache/spark/pull/31913#discussion_r611680524
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -795,7 +795,7 @@ object NullPropagation extends Rule[LogicalPlan] {
*/
object FoldablePropagation extends Rule[LogicalPlan] {
def apply(plan: LogicalPlan): LogicalPlan = {
- CleanupAliases(propagateFoldables(plan)._1)
+
EnforceGroupingReferencesInAggregates(CleanupAliases(propagateFoldables(plan)._1))
Review comment:
why is this change needed?
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