sunchao commented on code in PR #37749:
URL: https://github.com/apache/spark/pull/37749#discussion_r960277773
##########
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:
Hmm I remember added this check since storage partitioned join can only
handle one named reference in partition transform at the moment. There's an
[assertion](https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala#L656)
in `KeyGroupedShuffleSpec` for this.
Could you add a test in `EnsureRequirementsSuite` for a `NamedTransform`
with >1 named references? just to make sure it's not breaking anything.
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