yeshengm commented on a change in pull request #25145: [SPARK-28375][SQL] Make
PullupCorrelatedPredicates idempotent
URL: https://github.com/apache/spark/pull/25145#discussion_r303573591
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala
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@@ -264,11 +264,9 @@ object PullupCorrelatedPredicates extends
Rule[LogicalPlan] with PredicateHelper
} else {
(transformed, baseConditions)
}
- (plan, stripOuterReferences(deDuplicatedConditions))
Review comment:
This diff seems dicey... This might lead to unresolved outer reference after
this batch.
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