[GitHub] [spark] cloud-fan commented on a change in pull request #35651: [SPARK-36194][SQL] Add a logical plan visitor to propagate the distinct attributes

[GitBox <gi...@apache.org>]

cloud-fan commented on a change in pull request #35651:
URL: https://github.com/apache/spark/pull/35651#discussion_r815965809



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RemoveRedundantAggregates.scala
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@@ -47,6 +47,10 @@ object RemoveRedundantAggregates extends Rule[LogicalPlan] with AliasHelper {
       } else {
         newAggregate
       }
+
+     case agg @ Aggregate(groupingExps, _, child) if agg.groupOnly && child.deterministic &&

Review comment:
       does `child.deterministic` matter here?




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