On Sat, 18 Aug 2007, Mike Rylander wrote:
On 8/18/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
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On Fri, Aug 17, 2007 at 04:06:15PM -0700, Josh Berkus wrote:
Bruce,
Oh, so you want the config inside each tsvector value. Interesting
idea.
Yeah, hasn't anyone suggested this before? It seems like the obvious
solution. A TSvector constructed with en_US is NOT the same as a vector
constructed with fr_FR and it's silly to pretend that they are comparable.
Except that (as I understand Oleg) it even seems to make sense sometimes
to compare a tsvectors constructed with different configs -- so it might
be important not to prevent this use case eihter. Oleg?
Configs are not simply about languages, they are also about stopword
lists and stemmers and parsers, and there's no reason to think that
one would be using only one configuration to create a single tsvector.
Different fields from within one document may require different
treatment. Take for instance title, with stopwords included, and
body, with them removed. Those two initial tsvectors can then be
concatenated together with different weights to provide a very rich,
and simple (relatively speaking) search infrastructure.
I can't say better, Mike !
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: [EMAIL PROTECTED], http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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