yeshengm commented on a change in pull request #25249: [SPARK-28237][SQL]
Enforce Idempotence for Once batches in RuleExecutor
URL: https://github.com/apache/spark/pull/25249#discussion_r307841810
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -47,6 +47,13 @@ abstract class Optimizer(sessionCatalog: SessionCatalog)
plan.find(PlanHelper.specialExpressionsInUnsupportedOperator(_).nonEmpty).isEmpty)
}
+ override protected val blacklistedOnceBatches: Set[String] =
+ Set("Pullup Correlated Expressions",
+ "Join Reorder",
+ "Subquery",
+ "Extract Python UDFs"
Review comment:
Sure.
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