Re: tsearch2: plainto_tsquery() with OR?
От | Oleg Bartunov |
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Тема | Re: tsearch2: plainto_tsquery() with OR? |
Дата | |
Msg-id | Pine.LNX.4.64.0708091048320.18739@sn.sai.msu.ru обсуждение исходный текст |
Ответ на | Re: tsearch2: plainto_tsquery() with OR? (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
On Thu, 9 Aug 2007, Tom Lane wrote: > Oleg Bartunov <oleg@sai.msu.su> writes: >> On Thu, 9 Aug 2007, Tom Lane wrote: >>> ... behavior that people want is "here's some words, get me a weighted >>> result", and if the weighting improves from time to time that's OK. >>> We need to provide that API too. > >> I think I understand. It's called non-exact (approximate) matching, > > Right, exactly. I don't claim that we have a perfect solution for > approximate matching; we don't. But I think we should provide an > API function that is defined to do approximate matching, with the > understanding that the details of its behavior will change (for the > better hopefully) from release to release. The first version might > not be very good, but we can improve it. Aha, never thought you'd interested in something non-exact :) What'd be a name of such function ? Regards, Oleg _____________________________________________________________ Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru), Sternberg Astronomical Institute, Moscow University, Russia Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(495)939-16-83, +007(495)939-23-83
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