wangyum commented on code in PR #42488:
URL: https://github.com/apache/spark/pull/42488#discussion_r1294681915
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sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala:
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@@ -58,10 +65,10 @@ case class SortMergeJoinExec(
// Also add expressions from right side sort order
val sameOrderExpressions = ExpressionSet(lKey.sameOrderExpressions ++
rKey.children)
SortOrder(lKey.child, Ascending, sameOrderExpressions.toSeq)
- }
+ } ++ streamedOrdering()
// For left and right outer joins, the output is ordered by the streamed
input's join keys.
- case LeftOuter => getKeyOrdering(leftKeys, left.outputOrdering)
- case RightOuter => getKeyOrdering(rightKeys, right.outputOrdering)
+ case LeftOuter => getKeyOrdering(leftKeys, left.outputOrdering) ++
streamedOrdering()
+ case RightOuter => getKeyOrdering(rightKeys, right.outputOrdering) ++
streamedOrdering()
Review Comment:
Could we fix the issue in the getKeyOrdering method?
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