Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/14988#discussion_r79557679 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScanExec.scala --- @@ -164,4 +164,28 @@ case class HiveTableScanExec( } override def output: Seq[Attribute] = attributes + + override def sameResult(plan: SparkPlan): Boolean = plan match { + case other: HiveTableScanExec => + val thisRequestedAttributes = requestedAttributes.map(cleanExpression) + val otherRequestedAttributes = other.requestedAttributes.map(cleanExpression) --- End diff -- can you follow the existing workaround? ``` override def sameResult(plan: LogicalPlan): Boolean = { plan.canonicalized match { case LocalRelation(otherOutput, otherData) => otherOutput.map(_.dataType) == output.map(_.dataType) && otherData == data case _ => false } } ``` then we don't need to override `cleanExpression`
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