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https://issues.apache.org/jira/browse/JENA-587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13820420#comment-13820420
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Hudson commented on JENA-587:
-----------------------------

ABORTED: Integrated in Jena_Development_Test #1039 (See 
[https://builds.apache.org/job/Jena_Development_Test/1039/])
Couple more unit tests for JENA-587 (rvesse: rev 1541149)
* 
/jena/trunk/jena-arq/src/test/java/com/hp/hpl/jena/sparql/algebra/optimize/TestOptimizer.java
Re-enable TransformDistinctToReduced making it much stricter about the kinds of 
queries it will optimize.
Expands the unit tests to cover various scenarios identified in the associated 
bug (JENA-587) (rvesse: rev 1541139)
* 
/jena/trunk/jena-arq/src/main/java/com/hp/hpl/jena/sparql/algebra/optimize/Optimize.java
* 
/jena/trunk/jena-arq/src/main/java/com/hp/hpl/jena/sparql/algebra/optimize/TransformDistinctToReduced.java
* 
/jena/trunk/jena-arq/src/test/java/com/hp/hpl/jena/sparql/algebra/optimize/TestOptimizer.java
Make TransformDistinctToReduced off by default until it can be refactored to 
only apply when safe, also disables affected tests for now (JENA-587) (rvesse: 
rev 1541019)
* 
/jena/trunk/jena-arq/src/main/java/com/hp/hpl/jena/sparql/algebra/optimize/Optimize.java
* 
/jena/trunk/jena-arq/src/test/java/com/hp/hpl/jena/sparql/algebra/optimize/TestOptimizer.java


> SELECT DISTINCT returns duplicate results
> -----------------------------------------
>
>                 Key: JENA-587
>                 URL: https://issues.apache.org/jira/browse/JENA-587
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ
>    Affects Versions: Jena 2.11.0
>            Reporter: Veyriere
>            Assignee: Rob Vesse
>         Attachments: D.ttl, Q.rq, bug Jena2.11.0.zip, jena-587.zip
>
>
> SELECT DISTINCT returns duplicate results. Attaching a small quads dump and 
> the query to reproduce with TDB
> Reproduced with Jena 2.11.0 and Jena 2.10.1 (was working with 2.7.4)



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