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From "Teppei Tosa (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-4600) org.apache.spark.graphx.VertexRDD.diff does not work
Date Tue, 25 Nov 2014 11:46:12 GMT
Teppei Tosa created SPARK-4600:
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             Summary: org.apache.spark.graphx.VertexRDD.diff does not work
                 Key: SPARK-4600
                 URL: https://issues.apache.org/jira/browse/SPARK-4600
             Project: Spark
          Issue Type: Bug
         Environment: scala 2.10.4
spark 1.1.0
            Reporter: Teppei Tosa


VertexRDD.diff doesn't work.

For example : 

val setA: VertexRDD[Int] = VertexRDD(sc.parallelize(0L until 2L).map(id => (id, id.toInt)))
setA.collect.foreach(println(_))
// (0,0)
// (1,1)

val setB: VertexRDD[Int] = VertexRDD(sc.parallelize(1L until 3L).map(id => (id, id.toInt)))
setB.collect.foreach(println(_))
// (1,1)
// (2,2)

val diff = setA.diff(setB)
diff.collect.foreach(println(_))
// printed none




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