szehon-ho commented on code in PR #53142:
URL: https://github.com/apache/spark/pull/53142#discussion_r2548992064
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala:
##########
@@ -951,10 +951,11 @@ case class KeyGroupedShuffleSpec(
}
override def createPartitioning(clustering: Seq[Expression]): Partitioning =
{
- val newExpressions: Seq[Expression] =
clustering.zip(partitioning.expressions).map {
- case (c, e: TransformExpression) => TransformExpression(
- e.function, Seq(c), e.numBucketsOpt)
- case (c, _) => c
+ val clusteringMap =
distribution.clustering.map(_.canonicalized).zip(clustering).toMap
Review Comment:
i think by the time it gets here it should be, but good idea to assert
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