huaxingao commented on a change in pull request #26148:
[SPARK-29499][CORE][PYSPARK] Add mapPartitionsWithIndex for RDDBarrier
URL: https://github.com/apache/spark/pull/26148#discussion_r336540740
##########
File path: python/pyspark/rdd.py
##########
@@ -2535,6 +2535,19 @@ def func(s, iterator):
return f(iterator)
return PipelinedRDD(self.rdd, func, preservesPartitioning,
isFromBarrier=True)
+ def mapPartitionsWithIndex(self, f, preservesPartitioning=False):
+ """
+ .. note:: Experimental
+
+ Returns a new RDD by applying a function to each partition of the
wrapped RDD,
Review comment:
adding "adding "while tracking the index of the original partition"?
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