Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/3798#discussion_r23570025
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDD.scala ---
@@ -788,6 +788,20 @@ abstract class RDD[T: ClassTag](
}
/**
+ * Applies a function to each partition of this RDD, while tracking the
index
+ * of the original partition.
+ */
+ def foreachPartitionWithIndex(
--- End diff --
I disagree -- I think it should stay here. It seems like a pretty obvious
omission from the RDD api. Probably its never been added b/c there wasn't a
good use case. Well, now we've got a good use case. IMO no sense in creating
another PR that needs review just for that.
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