cloud-fan commented on code in PR #48789:
URL: https://github.com/apache/spark/pull/48789#discussion_r1849557703
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sql/core/src/main/scala/org/apache/spark/sql/execution/RemoveRedundantProjects.scala:
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@@ -58,7 +58,8 @@ object RemoveRedundantProjects extends Rule[SparkPlan] {
p.mapChildren(removeProject(_, false))
}
case op: TakeOrderedAndProjectExec =>
- op.mapChildren(removeProject(_, false))
+ // TakeOrderedAndProjectExec requires keep column ordering if AQE is
enabled.
Review Comment:
ok, how about `aqeEnabled && op.projectList == op.child.output`?
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