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[SPARK-29499][CORE][PYSPARK] Add mapPartitionsWithIndex for RDDBarrier #26148

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ConeyLiu wants to merge 3 commits into from
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[SPARK-29499][CORE][PYSPARK] Add mapPartitionsWithIndex for RDDBarrier #26148

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c8e6ded
add mapPartitionsWithIndex for RDDBarrier
ConeyLiu Oct 17, 2019
6f9463c
address comments
ConeyLiu Oct 19, 2019
437aadf
address comments
ConeyLiu Oct 22, 2019
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@ConeyLiu
ConeyLiu committed Oct 22, 2019
commit 437aadfcd972347a5b5a017271a5ad7f09a7cd4c
4 changes: 2 additions & 2 deletions core/src/test/scala/org/apache/spark/rdd/RDDBarrierSuite.scala
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Expand Up @@ -33,9 +33,9 @@ class RDDBarrierSuite extends SparkFunSuite with SharedSparkContext {
val rdd = sc.parallelize(1 to 12, 4)
assert(rdd.isBarrier() === false)

val rdd2 = rdd.barrier().mapPartitionsWithIndex((index, iter) => Iterator(index, iter.sum))
val rdd2 = rdd.barrier().mapPartitionsWithIndex((index, iter) => Iterator(index))
assert(rdd2.isBarrier())
assert(rdd2.collect().toList === List((0, 6), (1, 15), (2, 24), (3, 33)))
assert(rdd2.collect().toList === List(0, 1, 2, 3))
}

test("create an RDDBarrier in the middle of a chain of RDDs") {
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4 changes: 2 additions & 2 deletions python/pyspark/tests/test_rddbarrier.py
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Expand Up @@ -32,10 +32,10 @@ def test_map_partitions_with_index(self):
self.assertFalse(rdd._is_barrier())

def f(index, iterator):
yield index + sum(iterator)
yield index
rdd1 = rdd.barrier().mapPartitionsWithIndex(f)
self.assertTrue(rdd1._is_barrier())
self.assertEqual(rdd1.collect(), [3, 13, 23, 33])
self.assertEqual(rdd1.collect(), [0, 1, 2, 3])


if __name__ == "__main__":
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