Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3794#discussion_r22357607
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDD.scala ---
@@ -202,9 +202,6 @@ abstract class RDD[T: ClassTag](
*/
final def partitions: Array[Partition] = {
checkpointRDD.map(_.partitions).getOrElse {
- if (partitions_ == null) {
--- End diff --
Won't this now throw a NPE if we call `partitions` from a worker, since now
this will return `null` after the RDD is serialized and deserialized? I guess
maybe we never do that?
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