liuzqt commented on code in PR #46965:
URL: https://github.com/apache/spark/pull/46965#discussion_r1638759220
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala:
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@@ -675,9 +679,11 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]]
}
object QueryPlan extends PredicateHelper {
- val OP_ID_TAG = TreeNodeTag[Int]("operatorId")
val CODEGEN_ID_TAG = new TreeNodeTag[Int]("wholeStageCodegenId")
+ val localIdMap: ThreadLocal[java.util.Map[QueryPlan[_], Int]] =
ThreadLocal.withInitial(() =>
Review Comment:
the scope is `ExplainUtils.processPlan`, but I defined it here because
`QueryPlan` also need this, and don't have access to `execution` package from
`catalyst`. Added comments to clarify.
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