Github user sameeragarwal commented on a diff in the pull request:
https://github.com/apache/spark/pull/10844#discussion_r51647661
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
---
@@ -157,6 +178,23 @@ case class Union(children: Seq[LogicalPlan]) extends
LogicalPlan {
val sizeInBytes = children.map(_.statistics.sizeInBytes).sum
Statistics(sizeInBytes = sizeInBytes)
}
+
+ def rewriteConstraints(
+ planA: LogicalPlan,
--- End diff --
renamed + added doc
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