Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/10812#discussion_r50054544
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
---
@@ -114,7 +114,13 @@ case class Union(left: LogicalPlan, right:
LogicalPlan) extends SetOperation(lef
}
}
-case class Intersect(left: LogicalPlan, right: LogicalPlan) extends
SetOperation(left, right)
+case class Intersect(left: LogicalPlan, right: LogicalPlan) extends
SetOperation(left, right) {
+
+ override def output: Seq[Attribute] =
+ left.output.zip(right.output).map { case (leftAttr, rightAttr) =>
+ leftAttr.withNullability(leftAttr.nullable && rightAttr.nullable)
+ }
+}
--- End diff --
Sure, will do. Thanks!
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