Github user xuanyuanking commented on a diff in the pull request: https://github.com/apache/spark/pull/21370#discussion_r191702675 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala --- @@ -291,37 +289,57 @@ class Dataset[T] private[sql]( } } + rows = rows.map { + _.zipWithIndex.map { case (cell, i) => --- End diff -- Thanks, done in d4bf01a.
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