maryannxue commented on a change in pull request #25456: [SPARK-28739][SQL] Add
a simple cost check for Adaptive Query Execution
URL: https://github.com/apache/spark/pull/25456#discussion_r314808742
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala
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@@ -403,6 +450,18 @@ object AdaptiveSparkPlanExec {
private val executionContext = ExecutionContext.fromExecutorService(
ThreadUtils.newDaemonCachedThreadPool("QueryStageCreator", 16))
+ /**
+ * The temporary [[LogicalPlan]] link for query stages.
+ *
+ * Temp logical links are set for each query stage after its creation.
During re-planning, the
Review comment:
We could do either way (temp or normal link) here I think, because we have a
post-fix for the link in
https://github.com/apache/spark/pull/25456/files#diff-6954dd8020a9ca298f1fb9602c0e831cR362,
which by itself is necessary.
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