Re: default_text_search_config and expression indexes
Alvaro Herrera <alvherre@commandprompt.com>
From: Alvaro Herrera <alvherre@commandprompt.com>
To: Oleg Bartunov <oleg@sai.msu.su>
Cc: tomas@tuxteam.de, Bruce Momjian <bruce@momjian.us>, Heikki Linnakangas <heikki@enterprisedb.com>, Ron Mayer <rm_pg@cheapcomplexdevices.com>, pgsql-hackers@postgresql.org
Date: 2007-08-14T21:15:28Z
Lists: pgsql-hackers
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? -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.