mbutrovich commented on code in PR #2258:
URL: https://github.com/apache/datafusion-comet/pull/2258#discussion_r2369354465
##########
spark/src/main/scala/org/apache/spark/sql/comet/execution/shuffle/CometNativeShuffleWriter.scala:
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@@ -140,6 +142,22 @@ class CometNativeShuffleWriter[K, V](
MapStatus.apply(SparkEnv.get.blockManager.shuffleServerId,
partitionLengths, mapId)
}
+ private def isSinglePartitioning(p: Partitioning): Boolean = p match {
Review Comment:
The number of partition bounds can be less than the number of target
partitions based on value cardinality, so we still need to check
`rangePartitionBounds`.
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