hvanhovell commented on a change in pull request #20303: [SPARK-23128][SQL] A
new approach to do adaptive execution in Spark SQL
URL: https://github.com/apache/spark/pull/20303#discussion_r249790715
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala
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@@ -104,6 +110,17 @@ class QueryExecution(
ReuseExchange(sparkSession.sessionState.conf),
ReuseSubquery(sparkSession.sessionState.conf))
+ // With adaptive execution, whole stage codegen will be done inside
`QueryStageExecutor`.
+ protected def adaptivePreparations: Seq[Rule[SparkPlan]] = Seq(
+ PlanSubqueries(sparkSession),
+ EnsureRequirements(sparkSession.sessionState.conf),
Review comment:
So we are still fixing the exchanges? This is going away when you are
changing join types right?
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