Github user vlyubin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5279#discussion_r27512459
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/basicOperators.scala ---
@@ -140,8 +140,11 @@ case class TakeOrdered(limit: Int, sortOrder:
Seq[SortOrder], child: SparkPlan)
private def collectData(): Array[Row] =
child.execute().map(_.copy()).takeOrdered(limit)(ord)
// TODO: Is this copying for no reason?
--- End diff --
It wasn't relevant before the change as well (that copy call wasn't there
anymore). I'll remove it.
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