Re: pg_trgm performance

On Mon, 26 Feb 2007, Guillaume Smet wrote:

> On 2/26/07, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> wrote:
>> Did you rewrite query manually or use rewrite feature of tsearch2 ?
>
> Currently, it's manual. I perform a pg_trgm query for each word of the
> search words (a few stop words excluded) and I generate the ts_query
> with the similar words instead of using the search words.
> Is there any benefit of using rewrite() in this case?

not really, just a matter of possible interesting architectural design.

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83