c21 commented on a change in pull request #31641:
URL: https://github.com/apache/spark/pull/31641#discussion_r583118271
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/EliminateJoinToEmptyRelation.scala
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@@ -53,5 +57,23 @@ object EliminateJoinToEmptyRelation extends
Rule[LogicalPlan] {
case j @ Join(_, _, LeftSemi, _, _) if canEliminate(j.right,
EmptyHashedRelation) =>
LocalRelation(j.output, data = Seq.empty, isStreaming = j.isStreaming)
+
+ case j @ Join(_, _, LeftAnti, None, _) =>
+ val isNonEmptyBroadcastedRightSide = j.right match {
+ case LogicalQueryStage(_, stage: BroadcastQueryStageExec)
Review comment:
@cloud-fan - thanks, use row count is better, updated.
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