Re: default_text_search_config and expression indexes

Mike Rylander <mrylander@gmail.com>

From: "Mike Rylander" <mrylander@gmail.com>
To: "Alvaro Herrera" <alvherre@commandprompt.com>
Cc: "Oleg Bartunov" <oleg@sai.msu.su>, tomas@tuxteam.de, "Bruce Momjian" <bruce@momjian.us>, "Heikki Linnakangas" <heikki@enterprisedb.com>, "Ron Mayer" <rm_pg@cheapcomplexdevices.com>, pgsql-hackers@postgresql.org
Date: 2007-08-14T21:32:08Z
Lists: pgsql-hackers
On 8/14/07, Alvaro Herrera <alvherre@commandprompt.com> wrote:
> Oleg Bartunov wrote:
> > On Tue, 14 Aug 2007, Alvaro Herrera wrote:
> >
> >> Oleg Bartunov wrote:
> >>> On Thu, 9 Aug 2007, tomas@tuxteam.de wrote:
> >>>
> >>>> Maybe I'm missing something, but it seems to me that the configuration
> >>>> is more attached to a column/index thatn to the whole database. If
> >>>> there's a default in an expression, I'd rather expect this default to be
> >>>> drawn from the index involved than from a global value (like a
> >>>> functional
> >>>> index does now).
> >>>
> >>> I'm tired to repeat - index itself doesn't know about configuration !
> >>
> >> Is there a way to change that?  For example store the configuration in a
> >> metapage or something?
> >
> > it's useless, in general, since you could use different configuration to
> > build tsvector.
>
> Hmm, sorry, I think I just understood what this was about: so you mean
> that the configuration is really *per row* and not per index?  So I can
> store rows into an index using more than one configuration, and it will
> work?

Can and does, to great success.  :)

--miker