pyspark.RDD.mapPartitionsWithSplit¶
-
RDD.
mapPartitionsWithSplit
(f, preservesPartitioning=False)[source]¶ Return a new RDD by applying a function to each partition of this RDD, while tracking the index of the original partition.
Deprecated since version 0.9.0: use
RDD.mapPartitionsWithIndex()
instead.Examples
>>> rdd = sc.parallelize([1, 2, 3, 4], 4) >>> def f(splitIndex, iterator): yield splitIndex >>> rdd.mapPartitionsWithSplit(f).sum() 6