Re: Stemming not working with tsearch2() function

On Mon, 30 Apr 2007, psql psql wrote:

> Anyone know why to_tsvector('sausages') might return "sausages" while
> to_tsvector('default','sausages') correctly returns "sausag"?
>
> This is causing me a fairly major headache. I am guessing that the
> tsearch2() function used in my trigger is not specifying "default" when
> creating the tsvector since the words be put into the vector are not
> correctly stemmed (if that is the correct term).
>
> I figure this may be something to do with locale settings, other info:

it'is. Read http://www.sai.msu.su/~megera/wiki/Tsearch_V2_Notes

>
> postgresql version 8.2.4 (upgraded from 8.2.0 by rpm on Fedora Core 6 and
> prior to that from a 7.x version although i reinstalled tsearch2)
>
> SELECT * from pg_ts_cfg;
> ts_name | prs_name | locale
> -----------------+----------+--------------
> default_russian | default | ru_RU.KOI8-R
> utf8_russian | default | ru_RU.UTF-8
> simple | default | en_US.UTF-8
> default | default | en_US.UTF-8
>
>
> lc_collate | en_US.UTF-8
> lc_ctype | en_US.UTF-8
> lc_messages | en_US.UTF-8
> lc_monetary | en_US.UTF-8
> lc_numeric | en_US.UTF-8
> lc_time | en_US.UTF-8
>

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