Re: [PATCHES] a tsearch2 (8.2.4) dictionary that only filters out stopwords

Added to TODO:

* Allow text search dictionary to filter out only stop words

http://archives.postgresql.org/pgsql-patches/2007-11/msg00081.php

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Tom Lane wrote:
> Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
> > Let's consider one example - removing accents.
> > In the past I always recommend people to use regex functions before
> > to_tsvector conversion to remove accents, but recently I was noticed that
> > such trick doesn't work with headline(). So, the only way is to have
> > special dictionary dict_remove_accent before, which works as a filter.
>
> > I don't remember why do we left this for future releases, though.
>
> That would require a system-to-dictionary API change (to be able to
> modify the token under inspection), no? So it's certainly something
> I'd say is too late for 8.3.
>
> One thought that came to mind is that the option name should be just
> "Accept" not "AcceptAll". To me "All" implies that it would accept
> *everything* ... including stopwords.
>
> regards, tom lane
>
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