3 examples of 'pyspark join' in Python
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137 def test_rightOuterJoin(): 138 rdd1 = pysparkling.Context().parallelize([(0, 1), (1, 1)]) 139 rdd2 = pysparkling.Context().parallelize([(2, 1), (1, 3)]) 140 j = rdd1.rightOuterJoin(rdd2) 141 assert dict(j.collect())[1][1] == 3
438 def __init__(self, left_rdd, keyspace, table): 439 super(CassandraJoinRDD, self).__init__(left_rdd.ctx, keyspace, table) 440 self.crdd = self._helper\ 441 .joinWithCassandraTable(left_rdd._jrdd, keyspace, table)
352 def join(self, other, numPartitions=None): 353 """ 354 Return a new DStream by applying 'join' between RDDs of this DStream and 355 `other` DStream. 356 357 Hash partitioning is used to generate the RDDs with `numPartitions` 358 partitions. 359 """ 360 if numPartitions is None: 361 numPartitions = self._sc.defaultParallelism 362 return self.transformWith(lambda a, b: a.join(b, numPartitions), other)