cloud-fan commented on code in PR #41398:
URL: https://github.com/apache/spark/pull/41398#discussion_r1212566624
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sql/core/src/main/scala/org/apache/spark/sql/execution/joins/ShuffledHashJoinExec.scala:
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@@ -57,6 +57,8 @@ case class ShuffledHashJoinExec(
override def outputOrdering: Seq[SortOrder] = joinType match {
case FullOuter => Nil
+ case LeftOuter if buildSide == BuildLeft => Nil
+ case RightOuter if buildSide == BuildRight => Nil
Review Comment:
can we add some comments to explain why the ordering can't be preserved?
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