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https://issues.apache.org/jira/browse/JENA-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne resolved JENA-500.
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Resolution: Fixed
Fix Version/s: Jena 2.10.2
> SPARQL optimizer does not consider pre-bound variables, creates wrong query
> ---------------------------------------------------------------------------
>
> Key: JENA-500
> URL: https://issues.apache.org/jira/browse/JENA-500
> Project: Apache Jena
> Issue Type: Bug
> Components: Optimizer
> Affects Versions: Jena 2.10.2
> Reporter: Holger Knublauch
> Assignee: Andy Seaborne
> Fix For: Jena 2.10.2
>
> Attachments: TestPreboundFilter.java
>
>
> There is a regression bug somewhere between 2.7.2 and 2.10.2.
> See test case which works green in the old version but fails on the
> latest snapshot. I believe the cause is that
> TransformFilterImplicitJoin.testSpecialCaseUnused() incorrectly assumes
> it can ignore the whole query if it encounters unbound variables.
> However, in my case the variables do have values, coming from the
> initial binding of the QueryExecution.
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