pan3793 commented on a change in pull request #35438:
URL: https://github.com/apache/spark/pull/35438#discussion_r801532365
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
##########
@@ -427,8 +427,8 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]]
/**
* All the top-level subqueries of the current plan node. Nested subqueries
are not included.
*/
- def subqueries: Seq[PlanType] = {
- expressions.flatMap(_.collect {
+ lazy val subqueries: Seq[PlanType] = {
Review comment:
Thanks for tips, updated.
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