Ivan,
what's wrong with:
postgres=# select 'abc:1'::tsvector;
tsvector
----------
'abc':1
postgres=# select setweight('abc:1'::tsvector,'a');
setweight
-----------
'abc':1A
or just use to_tsvector() instead of casting?
Oleg
On Mon, 8 Feb 2010, Ivan Sergio Borgonovo wrote:
If I convert a string to a tsvector just casting (::tsvector) I
obtain a vector without positions.
tsvectors without positions don't have weights too.
I haven't found a way to turn a vector without weight/pos, into a
vector with weight/pos.
Is there a way to apply weight/add positions to tsvectors without
positions?
Is there any use-case?
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@xxxxxxxxxx, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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