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[SPARK-20334][SQL] Return a better error message when correlated predicates contain aggregate expression that has mixture of outer and local references. #17636

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[SPARK-20334][SQL] Return a better error message when correlated predicates contain aggregate expression that has mixture of outer and local references. #17636

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[SPARK-20334] Return a better error message when correlated predicate…
dilipbiswal Mar 23, 2017
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dilipbiswal committed Apr 17, 2017
commit af3d3674b05792b08dc05345de593e782fe8ce3a
2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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Expand Up @@ -1240,7 +1240,7 @@ class Analyzer(
}

// Make sure a plan's expressions do not contain :
// 1. Aggregate expressions that has mixture of outer and local references.
// 1. Aggregate expressions that have mixture of outer and local references.
// 2. Expressions containing outer references on plan nodes other than Filter.
def failOnInvalidOuterReference(p: LogicalPlan): Unit = {
p.expressions.foreach(checkMixedReferencesInsideAggregateExpr)
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