dilipbiswal commented on a change in pull request #23211: [SPARK-19712][SQL]
Move PullupCorrelatedPredicates and RewritePredicateSubquery after
OptimizeSubqueries
URL: https://github.com/apache/spark/pull/23211#discussion_r240352498
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -649,13 +664,16 @@ object CollapseProject extends Rule[LogicalPlan] {
def apply(plan: LogicalPlan): LogicalPlan = plan transformUp {
case p1 @ Project(_, p2: Project) =>
- if (haveCommonNonDeterministicOutput(p1.projectList, p2.projectList)) {
+ if (haveCommonNonDeterministicOutput(p1.projectList, p2.projectList) ||
+ ScalarSubquery.hasScalarSubquery(p1.projectList) ||
+ ScalarSubquery.hasScalarSubquery(p2.projectList)) {
Review comment:
@cloud-fan.. Let me get back to you on this, need to debug again :-)
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