Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/5762#discussion_r29306234 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala --- @@ -310,6 +310,10 @@ case class Distinct(child: LogicalPlan) extends UnaryNode { override def output: Seq[Attribute] = child.output } +case class Coalesce(numPartitions: Int, shuffle: Boolean, child: LogicalPlan) extends UnaryNode { --- End diff -- It's going to be super confusing with existing repartition and CoalescePartitions. How about Repartition vs RepartitionByExpression?
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