cloud-fan commented on a change in pull request #35574:
URL: https://github.com/apache/spark/pull/35574#discussion_r814480622
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala
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@@ -72,9 +72,14 @@ case object AllTuples extends Distribution {
/**
* Represents data where tuples that share the same values for the `clustering`
* [[Expression Expressions]] will be co-located in the same partition.
+ *
+ * @param requireAllClusterKeys When true, `Partitioning` which satisfies this
distribution,
+ * must match all `clustering` expressions in the
same ordering.
*/
case class ClusteredDistribution(
clustering: Seq[Expression],
+ requireAllClusterKeys: Boolean = SQLConf.get.getConf(
Review comment:
OK maybe it's not a big deal
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