Re: Updated tsearch documentation

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Updated tsearch documentation
Date: 2007-07-25 03:42:58
Message-ID: 200707250342.l6P3gwH09948@momjian.us
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I have added more documentation to try to show how full text search is
used by user tables. I think this the documentaiton is almost done:

http://momjian.us/expire/fulltext/HTML/textsearch-tables.html

---------------------------------------------------------------------------

Oleg Bartunov wrote:
> On Wed, 18 Jul 2007, Bruce Momjian wrote:
>
> > Oleg, Teodor,
> >
> > I am confused by the following example. How does gin know to create a
> > tsvector, or does it? Does gist know too?
>
> No, gist doesn't know. I don't remember why, Teodor ?
>
> For GIN see http://archives.postgresql.org/pgsql-hackers/2007-05/msg00625.php
> for discussion
>
> >
> > FYI, at some point we need to chat via instant messenger or IRC to
> > discuss the open items. My chat information is here:
> >
> > http://momjian.us/main/contact.html
>
> I send you invitation for google talk, I use only chat in gmail.
> My gmail account is obartunov(at)gmail(dot)com
>
> >
> > ---------------------------------------------------------------------------
> >
> > SELECT title
> > FROM pgweb
> > WHERE textcat(title,body) @@ plainto_tsquery('create table')
> > ORDER BY dlm DESC LIMIT 10;
> >
> > CREATE INDEX pgweb_idx ON pgweb USING gin(textcat(title,body));
> >
> >
>
> Regards,
> Oleg
> _____________________________________________________________
> Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
> Sternberg Astronomical Institute, Moscow University, Russia
> Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
> phone: +007(495)939-16-83, +007(495)939-23-83

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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