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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
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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 <c...@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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