Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/44#discussion_r10243307
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -847,6 +847,7 @@ class SparkContext(
partitions: Seq[Int],
allowLocal: Boolean,
resultHandler: (Int, U) => Unit) {
+
require(partitions.toSet.diff(rdd.partitions.map(_.index).toSet).isEmpty,
"partition index out of range")
--- End diff --
Sorry, you're right, but does not enforce RDD.partitions is continuous.
Such seems to be better
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