Hisoka-X commented on code in PR #41347:
URL: https://github.com/apache/spark/pull/41347#discussion_r1266504189
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/DeduplicateRelations.scala:
##########
@@ -117,37 +311,49 @@ object DeduplicateRelations extends Rule[LogicalPlan] {
}
}
- val planWithNewSubquery = plan.transformExpressions {
- case subquery: SubqueryExpression =>
- val (renewed, changed) =
renewDuplicatedRelations(existingRelations, subquery.plan)
- if (changed) planChanged = true
- subquery.withNewPlan(renewed)
- }
+ val (newPlan, changed) = getNewPlanWithNewChildren(existingRelations,
newChildren.toArray,
+ plan, planChanged)
+ planChanged |= changed
+ newPlan
+ } else {
+ plan
+ }
+ (newPlan, planChanged)
+ }
- if (planChanged) {
- if (planWithNewSubquery.childrenResolved) {
- val planWithNewChildren =
planWithNewSubquery.withNewChildren(newChildren.toSeq)
- val attrMap = AttributeMap(
- plan
- .children
- .flatMap(_.output).zip(newChildren.flatMap(_.output))
- .filter { case (a1, a2) => a1.exprId != a2.exprId }
- )
- if (attrMap.isEmpty) {
- planWithNewChildren
- } else {
- planWithNewChildren.rewriteAttrs(attrMap)
- }
- } else {
- planWithNewSubquery.withNewChildren(newChildren.toSeq)
- }
- } else {
+ private def getNewPlanWithNewChildren(
Review Comment:
Thanks @cloud-fan , Your code change cleared my mind. I refactored the code
based on your changes. Please continue review when you are not busy
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
