[Nepomuk] Review Request: Virtuoso Backend: Make empty graph support optional

[Sebastian Trueg]

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Ship it!


Ship It!

- Sebastian Trueg


On Oct. 2, 2012, 6:16 a.m., Vishesh Handa wrote:
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> http://git.reviewboard.kde.org/r/106520/
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> (Updated Oct. 2, 2012, 6:16 a.m.)
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> 
> Review request for Nepomuk, Soprano and Sebastian Trueg.
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> Description
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> 
>     Virtuoso doesn't support empty graphs, so we use a fake graph which acts
>     as the default empty graph.
>     
>     This approach, while useful, does have a performance impact, as the
>     graph needs to be regularly checked agains't this default graph.
>     
>     Therefore, we add an option to disable this feature. By default, this
>     feature is enabled in order to preserve compatibility.
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> 
> Diffs
> -----
> 
>   backends/virtuoso/virtuosobackend.cpp ca5070f 
>   backends/virtuoso/virtuosomodel.h b5fa1f8 
>   backends/virtuoso/virtuosomodel.cpp 2bc6fe2 
>   backends/virtuoso/virtuosomodel_p.h af58d12 
>   backends/virtuoso/virtuosoqueryresultiteratorbackend.cpp 914a320 
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> Diff: http://git.reviewboard.kde.org/r/106520/diff/
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> 
> Testing
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> Thanks,
> 
> Vishesh Handa
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>

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