AveryQi115 commented on code in PR #50548:
URL: https://github.com/apache/spark/pull/50548#discussion_r2059050300
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -2320,20 +2348,57 @@ class Analyzer(override val catalogManager:
CatalogManager) extends RuleExecutor
e: SubqueryExpression,
outer: LogicalPlan)(
f: (LogicalPlan, Seq[Expression]) => SubqueryExpression):
SubqueryExpression = {
- val newSubqueryPlan = AnalysisContext.withOuterPlan(outer) {
- executeSameContext(e.plan)
+ val outerPlanContext = AnalysisContext.get.outerPlans
+ val newSubqueryPlan = if (outerPlanContext.isDefined &&
+ // We don't allow lateral subquery having nested correlation
+ !e.isInstanceOf[LateralSubquery]
+ ) {
+ // The previous outerPlanContext contains resolved outer scope plans
Review Comment:
Icic. Do you know any corner testcases for the fixed point analyzer which I
can use to test?
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