cloud-fan commented on a change in pull request #31756:
URL: https://github.com/apache/spark/pull/31756#discussion_r596850988
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/PlanAdaptiveDynamicPruningFilters.scala
##########
@@ -41,15 +42,26 @@ case class PlanAdaptiveDynamicPruningFilters(
adaptivePlan: AdaptiveSparkPlanExec), exprId, _)) =>
val packedKeys = BindReferences.bindReferences(
HashJoin.rewriteKeyExpr(buildKeys), adaptivePlan.executedPlan.output)
- val mode = HashedRelationBroadcastMode(packedKeys)
- // plan a broadcast exchange of the build side of the join
- val exchange = BroadcastExchangeExec(mode, adaptivePlan.executedPlan)
- val existingStage = stageCache.get(exchange.canonicalized)
- if (existingStage.nonEmpty && conf.exchangeReuseEnabled) {
- val name = s"dynamicpruning#${exprId.id}"
- val reuseQueryStage = existingStage.get.newReuseInstance(0,
exchange.output)
- val broadcastValues =
- SubqueryBroadcastExec(name, index, buildKeys, reuseQueryStage)
+
+ val canReuseExchange = conf.exchangeReuseEnabled && buildKeys.nonEmpty
&&
+ plan.find {
Review comment:
`PlanAdaptiveDynamicPruningFilters` is a stage optimization rule and the
input `plan` is only a small piece of the plan tree (for one stage). I think we
should put the entire plan as a parameter of this rule, when creating this rule
in `AdaptiveSparkPlanExec`
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
