Indeed, the translation to filex URLs in queries is pretty dumb. It only
looks for the file:// prefix and continues from there.
However, query 3 should always work and I found the bug. The parenthesis
get percent-encoded. :(
I will try to fix that.
On 05/24/2012 03:56 PM, Ignacio Serantes wrote:
> Hi,
>
> There is a bug handling filex files when there are parenthesis in the
> url and you are doing a query using the fullpath.
>
> This are steps to reproduce the bug.
>
> 1) Create a file named "test_(fail).txt" in an external HD, I created
> the file "/media/OneTouch4/test_(fail).txt".
> 2) If the location is not indexed you must use nepomukindexer to index
> the file.
> 3) Open NepSak and execute next queries:
>
> Query 1:
>
> *SELECT* *DISTINCT* *
>
> *WHERE* {
>
> ?uri nie:url ?url . *FILTER*(*REGEX*(?url,
> "test_\\(fail\\).txt"^^xsd:string, 'i'))
>
> }
>
>
> Query 2:
>
> *SELECT* *DISTINCT* *
>
> *WHERE* {
>
> ?uri nie:url ?url . *FILTER*(*REGEX*(?url,
> "/media/OneTouch4/test_\\(fail\\).txt"^^xsd:string, 'i'))
>
> }
>
>
> Query 3:
>
> *SELECT* *DISTINCT* *
>
> *WHERE* {
>
> ?uri nie:url ?url . *FILTER*(*REGEX*(?url,
> "file:///media/OneTouch4/test_\\(fail\\).txt"^^xsd:string, 'i'))
>
> }
>
>
> *Notes:*
>
> 1) I'm using KDE 4.8.3, Soprano 2.7.5 and Virtuoso 6.1.5 openSUSE
> official packages.
>
>
> *Results:*
> 1) Query 1 works but queries 2 and 3 don't.
> 2) If url has not parenthesis, and is a filex file, queries 1 and 3
> works but query 2 fails. So, seems like with filex files "file:///"
> prefix is mandatory but with normal files don't. This is not a problem
> when you know this behavior but could be a serious problem if you don't
> know.
> 3) If url is not a filex file all queries works.
>
> --
> Best wishes,
> Ignacio
>
>
>
>
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