Github user zhichao-li commented on a diff in the pull request: https://github.com/apache/spark/pull/10731#discussion_r51985837 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -322,6 +323,62 @@ class Analyzer( } /** + * Replace the index with the related attribute for order by and group by. + */ + object ResolveIndexReferences extends Rule[LogicalPlan] { --- End diff -- What's your preference? It's not a must to be a new Rule. How about embedded it into `ResolvedReferences`? I was thinking of putting this similar logic into one place.
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