JkSelf commented on a change in pull request #32861:
URL: https://github.com/apache/spark/pull/32861#discussion_r670309053
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/PlanAdaptiveDynamicPruningFilters.scala
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@@ -62,8 +63,18 @@ case class PlanAdaptiveDynamicPruningFilters(
val broadcastValues = SubqueryBroadcastExec(
name, index, buildKeys, newAdaptivePlan)
DynamicPruningExpression(InSubqueryExec(value, broadcastValues,
exprId))
- } else {
+ } else if (onlyInBroadcast) {
DynamicPruningExpression(Literal.TrueLiteral)
+ } else {
+ // we need to apply an aggregate on the buildPlan in order to be
column pruned
+ val alias = Alias(buildKeys(index), buildKeys(index).toString)()
+ val aggregate = Aggregate(Seq(alias), Seq(alias), buildPlan)
+
+ val session = adaptivePlan.context.session
+ val sparkPlan =
session.sessionState.planner.plan(ReturnAnswer(aggregate)).next()
Review comment:
Here we can not use the `QueryExecution.prepareExecutedPlan()` method,
which will cause the wholestage code gen be inserted twice.
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