From: Oleg Bartunov <oleg@sai.msu.su>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: pgsql-admin@postgresql.org
Subject: Re: tsearch2 dictionary for statute cites
Date: Wed, 4 Jun 2008 23:51:48 +0400 (MSD)
Message-ID: <Pine.LNX.4.64.0806042349050.21547@sn.sai.msu.ru> (raw)
In-Reply-To: <4846A6C1.EE98.0025.0@wicourts.gov>
References: <4846A6C1.EE98.0025.0@wicourts.gov>
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
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To: pgsql-admin@postgresql.org
Cc: oleg@sai.msu.su, Kevin.Grittner@wicourts.gov
Subject: Re: tsearch2 dictionary for statute cites
In-Reply-To: <Pine.LNX.4.64.0806042349050.21547@sn.sai.msu.ru>
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