Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/16970#discussion_r102378293
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala
---
@@ -869,3 +869,12 @@ case object OneRowRelation extends LeafNode {
override def output: Seq[Attribute] = Nil
override def computeStats(conf: CatalystConf): Statistics =
Statistics(sizeInBytes = 1)
}
+
+/** A logical plan for `dropDuplicates`. */
+case class Deduplication(
--- End diff --
Most names are like "verbs" - aggregate, project, intersect. I think its
best to name this "Deduplicate".
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