Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/15821#discussion_r122927226
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -2853,4 +2864,13 @@ class Dataset[T] private[sql](
Dataset(sparkSession, logicalPlan)
}
}
+
+ /** Convert to an RDD of ArrowPayload byte arrays */
+ private[sql] def toArrowPayload: RDD[ArrowPayload] = {
+ val schema_captured = this.schema
--- End diff --
nit: `schemaCaptured` is more java-style
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