Github user dilipbiswal commented on a diff in the pull request:
https://github.com/apache/spark/pull/17636#discussion_r111543471
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1219,7 +1241,8 @@ class Analyzer(
// Make sure a plan's expressions do not contain outer references
def failOnOuterReference(p: LogicalPlan): Unit = {
- if (p.expressions.exists(containsOuter)) {
+ p.expressions.foreach(checkMixedReferencesInsideAggregation)
--- End diff --
@viirya checkMixedReferencesInsideAggregation only looks for
AggregateExpression ? For other types its just a pass-through.
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