ulysses-you commented on code in PR #36194:
URL: https://github.com/apache/spark/pull/36194#discussion_r850306811
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sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AQEShuffleReadExec.scala:
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@@ -48,6 +48,13 @@ case class AQEShuffleReadExec private(
assert(partitionSpecs.forall(_.isInstanceOf[PartialMapperPartitionSpec]))
}
+ private def shuffleStage = child match {
+ case stage: ShuffleQueryStageExec => Some(stage)
+ case _ => None
+ }
+
+ override protected def isCanonicalizedPlan: Boolean = shuffleStage.isEmpty
Review Comment:
The default implementation of isCanonicalizedPlan is correct. here we just
make it clear: if the plan is cannonicalized then the shuffle stage is empty. I
change to use `super.isCanonicalizedPlan && shuffleStage.isEmpty`
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