Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/10844#discussion_r51482050
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
---
@@ -89,9 +89,27 @@ case class Generate(
case class Filter(condition: Expression, child: LogicalPlan) extends
UnaryNode {
override def output: Seq[Attribute] = child.output
+
+ override protected def validConstraints: Set[Expression] = {
+ val newConstraint = splitConjunctivePredicates(condition)
+ .filter(_.references.subsetOf(outputSet))
--- End diff --
not needed right?
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