vladimirg-db commented on code in PR #50769:
URL: https://github.com/apache/spark/pull/50769#discussion_r2068749324
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/resolver/NameScope.scala:
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@@ -403,6 +414,22 @@ class NameScope(
*
* {{ SELECT col1 + col2 AS a FROM VALUES (1, 2) GROUP BY a; }}}
*
+ * In case we are resolving names in expression trees from HAVING or ORDER
BY on top of
+ * [[Aggregate]], we are able to resolve hidden attributes only if theose
are present in
+ * grouping expressions, or if the reference itself is under an
[[AggregateExpression]].
Review Comment:
Ok!
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