Yes, that is true. SMW uses a pre-defined property to represent categorical relations.


On Thu, May 30, 2013 at 11:58 AM, zehetner <zehetner@molgen.mpg.de> wrote:
Yes I did refresh and other values are returned by ask queries but it seem
the majority of data haven't reached store 3 yet and I forgot that SMW
doesn't use the MW info for categories but it's own. Will take much, much
longer to finish the SMWUpdate jobs.

Thanks.

On Wed, 29 May 2013 08:01:53 -0500, Jamie Thingelstad
<jamie@thingelstad.com> wrote:
> Just to make sure, did you refresh your data after moving to SqlStore3?
> You need to do that before any data will show up.
> Jamie Thingelstad
> jamie@thingelstad.com
> mobile: 612-810-3699
> find me on AIM Twitter Facebook LinkedIn
>
> On May 29, 2013, at 7:02 AM, zehetner <zehetner@molgen.mpg.de> wrote:
>
>> Hi,
>>
>> in a wiki which runs
>> MediaWiki    1.19.1
>> PHP  5.4.4 (apache2handler)
>> MySQL        5.5.0-m2-log
>> Semantic MediaWiki (Version 1.8)
>> SMW Store 2
>>
>> I get a list of the pages in category Maps when I use the query:
>> {{#ask: [[Category:Maps]]}}
>>
>> and format=debug shows as SQL somethin like
>> SELECT DISTINCT t2.smw_title AS t,t2.smw_namespace AS ns FROM `smw_ids`
>> AS
>> t2 INNER JOIN `smw_inst2` AS t0 ON t2.smw_id=t0.s_id WHERE
>> (t0.o_id='1597134') ORDER BY t2.smw_sortkey ASC LIMIT 51 OFFSET 0;
>>
>> however, when I use the same data in a wiki which runs
>> MediaWiki    1.20.0
>> PHP  5.4.4 (apache2handler)
>> MySQL        5.5.0-m2-log
>> Semantic MediaWiki (Version 1.9 alpha) (c61b465)
>> SMW Store 3
>>
>> I get no result with the same query and format=debug shows: Empty
result,
>> no SQL query created.
>>
>> However looking in Special:Categories I see in both wikis the same
number
>> of pages.
>>
>> Is this a bug, a changed behaviour or just temporarily not supported?
Or
>> is it a local problem with Store 3?
>> Is there maybe any alternative syntax for the #ask query which would
>> simulate the old behaviour?
>>
>> Thanks
>> Guenther
>>
>>
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