Re: tsearch2 dictionary for statute cites

Kevin,

in 8.4 it'd be possible to use prefix search, see our presentation
about GIN at PGCon 2008. For now you can use dict_regexp, which
allows to use perl's regular expressions. Get it from
http://vo.astronet.ru/arxiv/dict_regex.html

Oleg

On Wed, 4 Jun 2008, Kevin Grittner wrote:

> Has anyone dealt with the issue of using tsearch2 with statute cites
> yet?  Do you have a sample dictionary or any tips?  We need to confirm
> with the users, but I think desired behavior is that a statute cite of
> '813.12(1)(am)' should be found on any leading portions -- that is,
> any of the following search arguments should find it:
>
> 813
> 813.12
> 813.12(1)
> 813.12(1)(am)
>
> On the other hand, a document containing '813.12(1)'  (without the
> '(am)' should be found by the first three of the above, but not the
> last.
>
> This would seem to require using a slightly different dictionary set
> to create the tsquery than to create the tsvector.  There's no problem
> with that, is there?
>
> -Kevin
>
>

     Regards,
         Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83