Greg Maitrallain <greg.maitrallain@evodia.fr> writes:
> The problem is the writings contains many names of personnalities. For
> example : Churchill (the database covers WWII). But when I try to search
> for these names, nothing is found.
> I tried many things, like this introduction :
> http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/docs/tsearch-V2-intro.html
> And I think the problem's root is that no lexem is found (I could even
> say an empty lexem is found).
I think you've misconfigured your dictionary list. You normally want to
use an ispell dictionary together with some other one, like a snowball
dictionary. Using it by itself means exactly that only words known to
the dictionary will be indexed.
regards, tom lane