aokolnychyi commented on code in PR #37749:
URL: https://github.com/apache/spark/pull/37749#discussion_r961236436


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/V2ExpressionUtils.scala:
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@@ -105,18 +105,27 @@ object V2ExpressionUtils extends SQLConfHelper with 
Logging {
           TransformExpression(bound, resolvedRefs, Some(numBuckets))
         }
       }
-    case NamedTransform(name, refs)
-        if refs.length == 1 && refs.forall(_.isInstanceOf[NamedReference]) =>

Review Comment:
   On the other hand, skipping `KeyGroupedPartitioning` means we will never 
create `KeyGroupedShuffleSpec`, which has that validation logic. Maybe, that's 
a safer option.



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