Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21857#discussion_r204887497
--- 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 --
then, we do not need these changes.
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