Github user dilipbiswal commented on a diff in the pull request:
https://github.com/apache/spark/pull/16954#discussion_r103881081
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1172,20 +1226,11 @@ class Analyzer(
}
}
- /** Determine which correlated predicate references are missing from
this plan. */
- def missingReferences(p: LogicalPlan): AttributeSet = {
- val localPredicateReferences = p.collect(predicateMap)
- .flatten
- .map(_.references)
- .reduceOption(_ ++ _)
- .getOrElse(AttributeSet.empty)
- localPredicateReferences -- p.outputSet
- }
-
var foundNonEqualCorrelatedPred : Boolean = false
- // Simplify the predicates before pulling them out.
- val transformed = BooleanSimplification(sub) transformUp {
+ // Simplify the predicates before validating any unsupported
correlation patterns
+ // in the plan.
+ BooleanSimplification(sub).foreachUp {
--- End diff --
@gatorsmile Currently the code relies on this. I will need to investigate
this and would like to address this in a followup.
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