Re: Direct access to GIST structure

From: "Tim Keitt" <tkeitt(at)gmail(dot)com>
To: "Teodor Sigaev" <teodor(at)sigaev(dot)ru>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Direct access to GIST structure
Date: 2008-04-05 03:43:40
Message-ID: 6262c54c0804042043m134e5a40h676ccc06f7c5be26@mail.gmail.com
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On Fri, Apr 4, 2008 at 4:58 PM, Teodor Sigaev <teodor(at)sigaev(dot)ru> wrote:
>
>
> > encode spatial proximity. Is there an API (backend C-level is fine) to
> > access a GIST index?
> >
>
> The best way is to extend existing interface to GiST to support KNN-search.
> But you can see how to get access to index structure from module in gevel
> module (http://www.sigaev.ru/cvsweb/cvsweb.cgi/gevel/) GiST-related
> functions in this module is invented to help to developers, not for
> production use, so they acquire exclusive lock on index.

Thanks that helps.

I just stumbled on http://www.cs.purdue.edu/spgist/ which seems like
exactly what I need.

THK

>
> --
> Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
> WWW:
> http://www.sigaev.ru/
>

--
Timothy H. Keitt, Assistant Professor
University of Texas at Austin http://www.keittlab.org/
Contact info and schedule at http://www.keittlab.org/~tkeitt/
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