Github user dilipbiswal commented on a diff in the pull request: https://github.com/apache/spark/pull/21857#discussion_r204888808 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala --- @@ -52,7 +52,7 @@ trait CheckAnalysis extends PredicateHelper { } protected def mapColumnInSetOperation(plan: LogicalPlan): Option[Attribute] = plan match { - case _: Intersect | _: Except | _: Distinct => + case _: Intersect | _: ExceptBase | _: Distinct => --- End diff -- @gatorsmile Thats right Sean. We will not need changes here. However may i request you to please command-B on Except class ? We may need to change the pattern matching in other places, right ? Just wanted to make sure you are okay with it before i went ahead and made the changes.
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