Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/7988#discussion_r36575746
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala
---
@@ -75,6 +75,37 @@ case class OrderedDistribution(ordering: Seq[SortOrder])
extends Distribution {
def clustering: Set[Expression] = ordering.map(_.child).toSet
}
+/**
+ * Describes how an operator's output is split across partitions. The
`satisfies`,
--- End diff --
Editing note: should exploit parallelism between these two lists, since
that's better writing. Will copyedit tomorrow.
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