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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