From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
---|---|
To: | "W(dot) Matthew Wilson" <matt(at)tplus1(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: How to do a full-text search words within some proximity of each other? |
Date: | 2012-09-24 20:14:58 |
Message-ID: | Pine.LNX.4.64.1209250009500.27845@sn.sai.msu.ru |
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Lists: | pgsql-general |
something like this ?
http://www.sai.msu.su/~megera/wiki/2009-08-12
http://www.sai.msu.su/~megera/postgres/talks/algebra-fts.pdf
Unfortunately, we get no support for this work, so we stop maintaining
phrase-search patch. I even thinking about kikstarter.com to get money
for this project :)
Oleg
On Mon, 24 Sep 2012, W. Matthew Wilson wrote:
> I noticed in elastic search (ES), you can do queries like
>
> "a b"~4
>
> I think this query will match stuff like "a b" and "a x x b" but not
> something like "a x x x x x x x x b".
>
> I'm not sure if this kind of thing is possible with postgresql full
> text search. Is it possible?
>
> I understand that I can do a query and rank the results by how closely
> the words are to each other, but I want to exclude any matches where
> the words are not within two words of each other.
>
> Thanks in advance!
>
> Matt
>
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru)
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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