How about ~%substring% instead? The "~" is the symbol for pattern matching in Perl and some UNIX languages, and it might be a clearer indicator of function than "%".

-Yaron


On Dec 27, 2007 2:16 PM, Markus Krötzsch <mak@aifb.uni-karlsruhe.de> wrote:
Thanks. I have applied the patch, and added a way of configuring this feature:
the parameter $smwgQComparators gives a (|-separated) list of supported
comparators, and can be used to enable or disable any of <, >, !, and %. By
default its value is  '<|>|!|%'.

In this way one can also disable ! or even <, > if these are considered to be
problematic.

I wonder whether one should use another character instead of "%" as a wildcard
inside the pattern string, so that no double-% confusion can arise. Would *
be an alternative or would it be too confusing w.r.t. the old <ask> print
requests? What about +? According examples (preprocessing would in each case
ensure full compatibility with SQL):

- %%substring%
- %*substring*
- %+substring+

Cheers

Markus

On Donnerstag, 20. Dezember 2007, Asheesh Laroia wrote:
> On Thu, 20 Dec 2007, Thomas Bleher wrote:
> > Yesterday I needed LIKE queries for properties, so I added it to SMW
> > (patch attached). It was surprisingly simple.
>
> This would be LIKE TOTALLY AWESOME to get in to Semantic MediaWiki.
>
> It would be great if later SMW could have Valgol support
> <http://www.indwes.edu/Faculty/bcupp/things/computer/VALGOL.html >.
>
> -- Asheesh.
>
> P.S. In all total like seriousness, queries with LIKE support are a good
> idea....
>
> --
> The star of riches is shining upon you.
>
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--
Markus Krötzsch
Institut AIFB, Universät Karlsruhe (TH), 76128 Karlsruhe
phone +49 (0)721 608 7362        fax +49 (0)721 608 5998
mak@aifb.uni-karlsruhe.de        www   http://korrekt.org

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