| From: | Cédric Villemain <cedric(dot)villemain(at)dalibo(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, "Gurjeet Singh" <singh(dot)gurjeet(at)gmail(dot)com>, "Gevik Babakhani" <pgdev(at)xs4all(dot)nl>, "Bruce Momjian" <bruce(at)momjian(dot)us>, "Oleg Bartunov" <oleg(at)sai(dot)msu(dot)su> |
| Subject: | Re: Problem with site doc search |
| Date: | 2008-04-16 09:15:18 |
| Message-ID: | 200804161115.23980.cedric.villemain@dalibo.com |
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| Lists: | pgsql-hackers |
Le Wednesday 16 April 2008, Magnus Hagander a écrit :
> Cédric Villemain wrote:
> > Notice that :
> >
> > http://search.postgresql.org/search?q=tom+lane&m=1&l=&d=1&s=r
> > and
> > http://search.postgresql.org/search?q=tom+lane&m=1&l=&d=1&s=d
> >
> > do not provide same result (3 results by date, 1 by rank) even if
> > only the sorting is changed.
>
> Actually, I get 5 and 7, in the other order.
>
> The reason for this is that Tom Lane is way too active. It's
> gin_fuzzy_search_limit that's doing the restriction first, and the date
> restriction comes in later.
Yes, you are perfectly right. Can I suggest to deactivate
gin_fuzzy_search_limit (or increase the value) when one condition (and use
the condition earlier) can considerably reduce the number of results (like
the 'post date' here) ?
>
> //Magnus
--
Cédric Villemain
Administrateur de Base de Données
Cel: +33 (0)6 74 15 56 53
http://dalibo.com - http://dalibo.org
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