cloud-fan commented on code in PR #50803:
URL: https://github.com/apache/spark/pull/50803#discussion_r2075502126
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/cteOperators.scala:
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@@ -106,10 +106,18 @@ case class CTERelationDef(
override def output: Seq[Attribute] = if (resolved) child.output else Nil
- lazy val hasSelfReferenceAsCTERef: Boolean = child.exists{
- case CTERelationRef(this.id, _, _, _, _, true, _) => true
- case _ => false
+ def hasReferenceToThisCTE(plan: LogicalPlan): Boolean = {
+ plan.collect {
Review Comment:
We can use `collectWithSubqueries`
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