Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/19862#discussion_r154567693 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala --- @@ -750,6 +756,8 @@ private[joins] class SortMergeJoinScanner( bufferedMatches.clear() false } else { + // To make sure vars like bufferedRow is set + advancedBufferedIterRes --- End diff -- Add a comment like https://github.com/apache/spark/pull/19862/files#r154567168.
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