Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14685#discussion_r75106052
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/subquery.scala ---
@@ -56,30 +44,29 @@ trait ExecSubqueryExpression extends SubqueryExpression
{
* This is the physical copy of ScalarSubquery to be used inside SparkPlan.
*/
case class ScalarSubquery(
- executedPlan: SubqueryExec,
+ plan: SubqueryExec,
exprId: ExprId)
extends ExecSubqueryExpression {
- override def dataType: DataType =
executedPlan.schema.fields.head.dataType
+ override def dataType: DataType = plan.schema.fields.head.dataType
override def children: Seq[Expression] = Nil
override def nullable: Boolean = true
- override def toString: String = executedPlan.simpleString
-
- def withExecutedPlan(plan: SubqueryExec): ExecSubqueryExpression =
copy(executedPlan = plan)
+ override def toString: String = plan.simpleString
+ override def withNewPlan(query: SubqueryExec): ScalarSubquery =
copy(plan = query)
override def semanticEquals(other: Expression): Boolean = other match {
- case s: ScalarSubquery => executedPlan.sameResult(executedPlan)
+ case s: ScalarSubquery => plan.sameResult(s.plan)
--- End diff --
This fixes a small bug in `sematicEquals`.
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