Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/21370#discussion_r194794493
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -3209,6 +3222,19 @@ class Dataset[T] private[sql](
}
}
+ private[sql] def getRowsToPython(
+ _numRows: Int,
+ truncate: Int,
+ vertical: Boolean): Array[Any] = {
+ EvaluatePython.registerPicklers()
+ val numRows = _numRows.max(0).min(Int.MaxValue - 1)
--- End diff --
Got it, will be fixed in another pr.
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