Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/14988#discussion_r77812716
--- 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 --
ah, I think all leaf nodes suffer this problem, can you follow the way how
they fix it? e.g.
```
override def sameResult(plan: LogicalPlan): Boolean = {
plan.canonicalized match {
case LocalRelation(otherOutput, otherData) =>
otherOutput.map(_.dataType) == output.map(_.dataType) && otherData
== data
case _ => false
}
}
```
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