Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/19401#discussion_r142035876 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala --- @@ -237,7 +237,7 @@ class Dataset[T] private[sql]( */ private[sql] def showString( _numRows: Int, truncate: Int = 20, vertical: Boolean = false): String = { - val numRows = _numRows.max(0) + val numRows = _numRows.max(0).min(Int.MaxValue - 1) --- End diff -- Spark SQL does not work when the number of rows is close to `Int.MaxValue`. The driver will be OOM before finishing the command. Thus, I do not think we can hit this extreme case.
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