Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/19862#discussion_r154566463 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala --- @@ -700,38 +701,43 @@ private[joins] class SortMergeJoinScanner( bufferedMatches.clear() false } else if (matchJoinKey != null && keyOrdering.compare(streamedRowKey, matchJoinKey) == 0) { - // The new streamed row has the same join key as the previous row, so return the same matches. + // The new streamed row has the same join key as the previous row, so return the same + // matches. --- End diff -- Unnecessary change.
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