Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14296#discussion_r72386503
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1207,6 +1207,17 @@ class Analyzer(
val alias = Alias(ae, ae.toString)()
aggregateExpressions += alias
alias.toAttribute
+ // Replacing [[NamedExpression]] causes the error on
[[Grouping]] because the
+ // grouping column will be new attribute created by adding
additional [[Alias]].
+ // So we can't find the grouping column and replace it in
the rule
+ // [[ResolveGroupingAnalytics]].
--- End diff --
When there is a `Grouping(col#1)` in the HAVING clause. If we push down it
to Aggregate and use an Alias instead, the grouping function become
`Grouping(col#1#2)`. Then in the rule `ResolveGroupingAnalytics` we try to find
the index of col in group by expressions, we can't find it.
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