Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/16145#discussion_r91851737
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/ShuffledRowRDD.scala ---
@@ -117,7 +113,7 @@ class CoalescedPartitioner(val parent: Partitioner, val
partitionStartIndices: A
class ShuffledRowRDD(
var dependency: ShuffleDependency[Int, InternalRow, InternalRow],
specifiedPartitionStartIndices: Option[Array[Int]] = None)
- extends RDD[InternalRow](dependency.rdd.context, Nil) {
+ extends RDD[InternalRow](dependency.rdd.context, Seq(dependency)) {
--- End diff --
OK. I think it's actually an error as it stands given the comment, but we
have no evidence it actually manifests as a problem.
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