cloud-fan commented on a change in pull request #32195:
URL: https://github.com/apache/spark/pull/32195#discussion_r618235462
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala
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@@ -431,7 +431,8 @@ case class AdaptiveSparkPlanExec(
// Check the `stageCache` again for reuse. If a match is found,
ditch the new stage
// and reuse the existing stage found in the `stageCache`,
otherwise update the
// `stageCache` with the new stage.
- val queryStage =
context.stageCache.getOrElseUpdate(e.canonicalized, newStage)
+ val queryStage = context.stageCache.getOrElseUpdate(
+ newStage.plan.canonicalized, newStage)
Review comment:
This breaks DPP. I'm not sure exactly why, but the key of stage cache
was plan without applying `queryStageOptimizerRules`, now it's different. This
probably breaks DPP.
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