Re: Incorrect FTS result with GIN index

Artur,

I don't know, but could you try linux machine ?

Oleg
On Mon, 19 Jul 2010, Artur Dabrowski wrote:

>
> Hello Oleg,
>
> my results are different. The analysis looks like this (please note the
> different numbers of rows):
>
> Aggregate  (cost=104.05..104.06 rows=1 width=0) (actual
> time=152.133..152.135 rows=1 loops=1)
>  ->  Bitmap Heap Scan on search_tab  (cost=5.39..103.98 rows=25 width=0)
> (actual time=76.546..151.834 rows=116 loops=1)
>        Recheck Cond: ((to_tsvector('german'::regconfig, keywords) @@
> '''ee'':*'::tsquery) AND (to_tsvector('german'::regconfig, keywords) @@
> '''dd'':*'::tsquery))
>        ->  Bitmap Index Scan on idx_keywords_ger  (cost=0.00..5.38 rows=25
> width=0) (actual time=76.292..76.292 rows=506 loops=1)
>              Index Cond: ((to_tsvector('german'::regconfig, keywords) @@
> '''ee'':*'::tsquery) AND (to_tsvector('german'::regconfig, keywords) @@
> '''dd'':*'::tsquery))
> Total runtime: 152.389 ms
>
>
> I have no idea, what could be the reason for different behaviour on your and
> my machine (windows xp, postgreSQL 8.4.3)?
> I reproduced the same wrong behaviour on a machine of my co-worker (windows
> xp, postgreSQL 8.4.4).
>
>
>

     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