Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/13668#discussion_r67099374
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LocalRelation.scala
---
@@ -56,10 +57,12 @@ case class LocalRelation(output: Seq[Attribute], data:
Seq[InternalRow] = Nil)
override protected def stringArgs = Iterator(output)
- override def sameResult(plan: LogicalPlan): Boolean = plan match {
- case LocalRelation(otherOutput, otherData) =>
- otherOutput.map(_.dataType) == output.map(_.dataType) && otherData
== data
- case _ => false
+ override def sameResult(plan: LogicalPlan): Boolean = {
+ EliminateSubQueries(plan) match {
--- End diff --
Maybe we should execute `EliminateSubQueries` when looking up cache entry?
1.6 is not like 2.0, we don't have the `canonized` method and can't memorize
the result of `EliminateSubQueries`.
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