wankunde commented on code in PR #38176:
URL: https://github.com/apache/spark/pull/38176#discussion_r996650693
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/DynamicJoinSelection.scala:
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@@ -89,13 +111,19 @@ object DynamicJoinSelection extends Rule[LogicalPlan] with
JoinSelectionHelper {
false
}
- val preferShuffleHash = preferShuffledHashJoin(stage.mapStats.get)
+ val preferShuffleHash = streamedPlan match {
+ case LogicalQueryStage(_, streamedStage: ShuffleQueryStageExec)
+ if streamedStage.isMaterialized &&
streamedStage.mapStats.isDefined =>
+ preferShuffledHashJoin(stage.mapStats.get,
streamedStage.mapStats.get)
+
+ case _ => false
Review Comment:
Fix, could you help to review this PR again?
Thanks
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