Github user watermen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14988#discussion_r77754923
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScanExec.scala
---
@@ -164,4 +164,11 @@ case class HiveTableScanExec(
}
override def output: Seq[Attribute] = attributes
+
+ override def sameResult(plan: SparkPlan): Boolean = plan match {
--- End diff --
`left.cleanArgs == right.cleanArgs` in defalut `sameResult` return false,
because `equals` in `MetastoreRelation` compare the
output(`AttributeReference`) and `exprId`s are diff. We need to erase the
exprId.
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