Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/13890#discussion_r70025823 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/ExistingRDD.scala --- @@ -74,13 +74,71 @@ object RDDConversions { } } +private[sql] object ExternalRDD { + + def apply[T: Encoder](rdd: RDD[T])(session: SparkSession): LogicalPlan = { --- End diff -- Actually I'm not sure why we curry the constructor either. Since `RDDScan` does it, it's ok we follow it. But for this apply `method`, I don't see the value of doing it. cc @yhuai
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