aokolnychyi commented on a change in pull request #29089:
URL: https://github.com/apache/spark/pull/29089#discussion_r453796416
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -981,6 +982,10 @@ object EliminateSorts extends Rule[LogicalPlan] {
j.copy(left = recursiveRemoveSort(originLeft), right =
recursiveRemoveSort(originRight))
case g @ Aggregate(_, aggs, originChild) if isOrderIrrelevantAggs(aggs) =>
g.copy(child = recursiveRemoveSort(originChild))
+ case r: RepartitionByExpression =>
Review comment:
These two branches can be replaces with one:
```
case r: RepartitionOperation =>
r.withNewChildren(r.children.map(recursiveRemoveSort))
```
It will mean all repartition nodes we add in the future will be also taken
into account. It seems safe but I want to hear what everybody thinks.
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