wangyum commented on code in PR #37565:
URL: https://github.com/apache/spark/pull/37565#discussion_r952105713
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -1994,6 +1994,13 @@ object EliminateLimits extends Rule[LogicalPlan] {
LocalLimit(Literal(Least(Seq(ne, le)).eval().asInstanceOf[Int]),
grandChild)
case Limit(le, Limit(ne, grandChild)) =>
Limit(Literal(Least(Seq(ne, le)).eval().asInstanceOf[Int]), grandChild)
+
+ case GlobalLimit(l, Project(projectList, child)) =>
+ Project(projectList, GlobalLimit(l, child))
+ case LocalLimit(l, Project(projectList, child)) =>
+ Project(projectList, LocalLimit(l, child))
+ case Limit(l, Project(projectList, child)) =>
+ Project(projectList, Limit(l, child))
Review Comment:
Could you move these changes to `LimitPushDown`?
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