Hello Rupert,

Find attached the diff file. You might find some more reformatting, as I
had Eclipse apply the code conventions [
http://incubator.apache.org/stanbol/development/coding.html].

BR,
David

On Sun, Jul 22, 2012 at 8:20 PM, Rupert Westenthaler <
[email protected]> wrote:

> Hi David,
>
> I think I located the cause for STANBOL-697 in
>
>     SparqlQueryUtils#addDataTypeValueConstraint(..)
>
> This method supports multiple values. In the "any" mode (Entities need
> only to have one of the parsed values) it adds UNIONS to the SPARQL
> query. In case only a single value is parsed than the starting '{' was
> added, but the '}' was never added.
>
> That means that the reason for this is not a missing '}' but an
> unintended '{' that is added for ValueConstraints (and
> ReferenceConstraints) with a single value.
>
> >> I think the issue is line SparqlQueryUtils.java:448 [1]:
> >>  queryString.append(" . \n");
> >>
> >> It adds a dot even though the constraint is the last in the set.
> [..]
> > I can confirm that, after applying the fix, it is working.
>
> Adding an additional ’}' in this place would fix the issue for queries
> used by the Stanbol Enhancer, but will not work for other FieldQueries
> (e.g. those without a ValueConstraint or ReferenceConstraint).
>
> >
> > In order to find the issue I've added some traces in relevant classes. It
> > might be nice to pull back those traces in the source tree, as they might
> > turn useful in the future as well.
> >
>
> For sure. Can you please provide a Patch file with your changes
> instead of the ZIP file with the changed Java classes.
>
> best
> Rupert
>
>
> --
> | Rupert Westenthaler             [email protected]
> | Bodenlehenstraße 11                             ++43-699-11108907
> | A-5500 Bischofshofen
>



-- 
David Riccitelli

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