cloud-fan commented on a change in pull request #31355:
URL: https://github.com/apache/spark/pull/31355#discussion_r565381214
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/connector/distributions/distributions.scala
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@@ -29,31 +29,47 @@ private[sql] object LogicalDistributions {
ClusteredDistributionImpl(clustering)
}
+ def clustered(clustering: Array[Expression], numPartitions: Int):
ClusteredDistribution = {
+ ClusteredDistributionImpl(clustering, Some(numPartitions))
+ }
+
def ordered(ordering: Array[SortOrder]): OrderedDistribution = {
OrderedDistributionImpl(ordering)
}
+
+ def ordered(ordering: Array[SortOrder], numPartitions: Int):
OrderedDistribution = {
+ OrderedDistributionImpl(ordering, Some(numPartitions))
+ }
}
private[sql] object UnspecifiedDistributionImpl extends
UnspecifiedDistribution {
override def toString: String = "UnspecifiedDistribution"
}
private[sql] final case class ClusteredDistributionImpl(
- clusteringExprs: Seq[Expression]) extends ClusteredDistribution {
+ clusteringExprs: Seq[Expression],
+ numPartitions: Option[Int] = None) extends ClusteredDistribution {
Review comment:
why this needs to be optional while we define non-negative value as no
requirement?
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