liuzqt commented on code in PR #49715:
URL: https://github.com/apache/spark/pull/49715#discussion_r1941780439
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sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala:
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@@ -545,6 +538,66 @@ case class AdaptiveSparkPlanExec(
this.inputPlan == obj.asInstanceOf[AdaptiveSparkPlanExec].inputPlan
}
+ /**
+ * This method is a wrapper of `createQueryStagesInternal`, which deals with
result stage creation
+ */
+ private def createQueryStages(
+ resultHandler: SparkPlan => Any,
+ plan: SparkPlan,
+ firstRun: Boolean): CreateStageResult = {
+ plan match {
+ case resultStage@ResultQueryStageExec(_, optimizedPlan, _) =>
Review Comment:
when `withFinalPlanUpdate` is invoked multiple times, e.g., when we do
`df.collect` multiple times.
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