maropu commented on a change in pull request #26011: [SPARK-29343][SQL]
Eliminate sorts without limit in the subquery of Join/Aggregation
URL: https://github.com/apache/spark/pull/26011#discussion_r339299298
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -987,6 +985,24 @@ object RemoveRedundantSorts extends Rule[LogicalPlan] {
case f: Filter => f.condition.deterministic
case _ => false
}
+
+ def isOrderIrrelevantAggs(aggs: Seq[NamedExpression]): Boolean = {
Review comment:
nit: private?
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