Re: tsvector extraction patch

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
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