Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17541#discussion_r110547379
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/LogicalRelation.scala
---
@@ -43,17 +43,8 @@ case class LogicalRelation(
com.google.common.base.Objects.hashCode(relation, output)
}
- override def sameResult(otherPlan: LogicalPlan): Boolean = {
- otherPlan.canonicalized match {
- case LogicalRelation(otherRelation, _, _) => relation ==
otherRelation
- case _ => false
- }
- }
-
- // When comparing two LogicalRelations from within
LogicalPlan.sameResult, we only need
- // LogicalRelation.cleanArgs to return Seq(relation), since
expectedOutputAttribute's
- // expId can be different but the relation is still the same.
- override lazy val cleanArgs: Seq[Any] = Seq(relation)
+ // Only care about relation when canonicalizing.
+ override def preCanonicalized: LogicalPlan = copy(catalogTable = None)
--- End diff --
yes, it's the same behavior as before
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