c21 commented on a change in pull request #35574:
URL: https://github.com/apache/spark/pull/35574#discussion_r813432758
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala
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@@ -72,10 +72,15 @@ 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 requiredAllClusterKeys When true, `Partitioning` which satisfies
this distribution,
+ * must match all `clustering` expressions in
the same ordering.
*/
case class ClusteredDistribution(
clustering: Seq[Expression],
- requiredNumPartitions: Option[Int] = None) extends Distribution {
+ requiredNumPartitions: Option[Int] = None,
+ requiredAllClusterKeys: Boolean = SQLConf.get.getConf(
Review comment:
@HeartSaVioR - Actually I am less sure about it for streaming query. we
are doing same thing for [co-partition check
here](https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala#L526).
Could you help brainstorm more if there's counterexample?
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