Xu,
FTS has nothing with your problem, it's general limitation/feature.
Oleg
On Sat, 23 Jan 2010, xu fei wrote:
> Hi, everyone:
> First I can successful run this query:select name, ts_rank_cd(vectors, query) as rank from element,
to_tsquery('item')query where query @@ vectors order by rank desc;But actually I want to run this one:select name,
ts_rank_cd(vectors,query) as rank from element, 'item'::tsquery query where query @@ vectors order by rank desc;Looks
likethat FTS does not support directly use "::tsquery " in such query. Do I misunderstand something? Thanks!
> Xu
>
>
>
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