Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/3173#discussion_r21134197
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/physical/partitioning.scala
---
@@ -59,6 +59,20 @@ case class ClusteredDistribution(clustering:
Seq[Expression]) extends Distributi
}
/**
+ * Represents data where tuples that share the same values for the
`clustering`
+ * [[Expression Expressions]] will be co-located. Based on the context,
this
+ * can mean such tuples are either co-located in the same partition or
they will be contiguous
+ * within a single partition.
+ */
--- End diff --
Seems you want to update this comment.
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