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Date: Thu, 28 Apr 2016 21:07:12 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: issues@flink.apache.org
Message-ID: <JIRA.12963511.1461855634000.64099.1461877632909@Atlassian.JIRA>
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Subject: [jira] [Commented] (FLINK-3845) Gelly allows duplicate vertices in
 Graph.addVertices
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    [ https://issues.apache.org/jira/browse/FLINK-3845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262995#comment-15262995 ] 

ASF GitHub Bot commented on FLINK-3845:
---------------------------------------

GitHub user greghogan opened a pull request:

    https://github.com/apache/flink/pull/1949

    [FLINK-3845] [gelly] Gelly allows duplicate vertices in Graph.addVertices

    Vertex sets are now merged with a cogroup so that a new Vertex is only added to the Graph when no existing Vertex exists with the same label.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/greghogan/flink 3845_gelly_allows_duplicate_vertices_in_graph_addvertices

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1949.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1949
    
----
commit 51a4733d0a52e21093e79b326e521d386f11b95d
Author: Greg Hogan <code@greghogan.com>
Date:   2016-04-28T15:34:41Z

    [FLINK-3845] [gelly] Gelly allows duplicate vertices in Graph.addVertices
    
    Vertex sets are now merged with a cogroup so that a new Vertex is only
    added to the Graph when no existing Vertex exists with the same label.

----


> Gelly allows duplicate vertices in Graph.addVertices
> ----------------------------------------------------
>
>                 Key: FLINK-3845
>                 URL: https://issues.apache.org/jira/browse/FLINK-3845
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>             Fix For: 1.1.0
>
>
> Gelly performs a {{DataSet}} union then calls {{distinct()}} which keeps vertices with the same label but different values. This should be replaced with one of the join operators.


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