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https://issues.apache.org/jira/browse/TINKERPOP-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174954#comment-15174954
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ASF GitHub Bot commented on TINKERPOP-1188:
-------------------------------------------
Github user okram commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/247#issuecomment-191034435
```
[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache TinkerPop .................................. SUCCESS [4.983s]
[INFO] Apache TinkerPop :: Gremlin Shaded ................ SUCCESS [2.293s]
[INFO] Apache TinkerPop :: Gremlin Core .................. SUCCESS [38.106s]
[INFO] Apache TinkerPop :: Gremlin Test .................. SUCCESS [11.655s]
[INFO] Apache TinkerPop :: Gremlin Groovy ................ SUCCESS [41.471s]
[INFO] Apache TinkerPop :: Gremlin Groovy Test ........... SUCCESS [6.856s]
[INFO] Apache TinkerPop :: TinkerGraph Gremlin ........... SUCCESS
[3:16.436s]
[INFO] Apache TinkerPop :: Hadoop Gremlin ................ SUCCESS
[5:11.348s]
[INFO] Apache TinkerPop :: Spark Gremlin ................. SUCCESS
[6:45.838s]
[INFO] Apache TinkerPop :: Giraph Gremlin ................ SUCCESS
[2:22:24.255s]
[INFO] Apache TinkerPop :: Neo4j Gremlin ................. SUCCESS
[17:42.662s]
[INFO] Apache TinkerPop :: Gremlin Driver ................ SUCCESS [9.118s]
[INFO] Apache TinkerPop :: Gremlin Server ................ SUCCESS
[11:23.499s]
[INFO] Apache TinkerPop :: Gremlin Console ............... SUCCESS
[1:08.180s]
[INFO] Apache TinkerPop :: Gremlin Archetype ............. SUCCESS [0.070s]
[INFO] Apache TinkerPop :: Archetype - TinkerGraph ....... SUCCESS [6.263s]
[INFO] Apache TinkerPop :: Archetype - Server ............ SUCCESS [10.247s]
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 3:10:03.833s
[INFO] Finished at: Tue Mar 01 20:14:06 MST 2016
[INFO] Final Memory: 99M/821M
[INFO]
------------------------------------------------------------------------
```
> Semantics of BarrierSteps in TraversalParent global traversals is wrong.
> ------------------------------------------------------------------------
>
> Key: TINKERPOP-1188
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1188
> Project: TinkerPop
> Issue Type: Bug
> Components: process
> Affects Versions: 3.1.1-incubating
> Reporter: Marko A. Rodriguez
> Assignee: Marko A. Rodriguez
> Labels: breaking
>
> Suppose the following traversal:
> {code}
> g.V.union(outE().count(), inE().count())
> {code}
> Given that {{count()}} is a {{ReducingBarrierStep}} and thus, continues to
> pull until there are no more results, you would expect the result set to be:
> {code}
> [6,6]
> {code}
> However, its actually this:
> {code}
> [3,0]
> [0,1]
> [0,3]
> [2,1]
> [0,1]
> [1,0]
> {code}
> That is, for each traverser into {{union()}}, the {{count()}} is calculated.
> In OLAP, the result is {{[6,6]}} as expected.
> What should we do?
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