Github user aray commented on a diff in the pull request:
https://github.com/apache/spark/pull/9815#discussion_r45298806
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
---
@@ -323,6 +323,10 @@ trait GroupingAnalytics extends UnaryNode {
override def output: Seq[Attribute] = aggregations.map(_.toAttribute)
+ // Needs to be unresolved before its translated to Aggregate + Expand
because output attributes
+ // will change in analysis.
+ override lazy val resolved: Boolean = false
--- End diff --
No. This was a (minor) problem before that was not caught by any of the
test cases, it's now more necessary since we duplicate all the grouping columns
in the analyzer rule.
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