On Fri, Jul 3, 2009 at 3:49 AM, Hans-Juergen Schoenig --
PostgreSQL<postgres@cybertec.at> wrote:
> hello,
>
> this patch has not made it through yesterday, so i am trying to send it
> again.
> i made a small patch which i found useful for my personal tasks.
> it would be nice to see this in 8.5. if not core then maybe contrib.
> it transforms a tsvector to table format which is really nice for text
> processing and comparison.
>
> test=# SELECT * FROM tsvcontent(to_tsvector('english', 'i am pretty sure
> this is a good patch'));
> lex | rank
> --------+------
> good | 8
> patch | 9
> pretti | 3
> sure | 4
> (4 rows)
>
This looks very useful! I wonder if providing a "weight" column would
be relatively simple? I think this would present problems with the
cast-to-text[] idea that Peter suggests, though.
--
Mike Rylander| VP, Research and Design| Equinox Software, Inc. / The Evergreen Experts| phone: 1-877-OPEN-ILS
(673-6457)|email: miker@esilibrary.com| web: http://www.esilibrary.com