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https://issues.apache.org/jira/browse/SPARK-4600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360570#comment-14360570
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Brennon York commented on SPARK-4600:
-------------------------------------
Thanks for the clarification [~ankurd]! I just posted a quick doc change to
better represent what you said here!
> 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
> Components: GraphX
> Environment: scala 2.10.4
> spark 1.1.0
> Reporter: Teppei Tosa
> Assignee: Brennon York
> Labels: graphx
>
> 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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