Re: Include Lists for Text Search - Mailing list pgsql-hackers

From Oleg Bartunov
Subject Re: Include Lists for Text Search
Date
Msg-id Pine.LNX.4.64.0709101557220.2767@sn.sai.msu.ru
Whole thread Raw
In response to Include Lists for Text Search  (Simon Riggs <simon@2ndquadrant.com>)
Responses Re: Include Lists for Text Search
Re: Include Lists for Text Search
List pgsql-hackers
On Mon, 10 Sep 2007, Simon Riggs wrote:

> It seems possible to write your own functions to support various
> possibilities with text search.
>
> One of the more common thoughts is to have a list of words that you
> would like to include, i.e. the opposite of a stop word list.
>
> There are clear indications that indexing too many words is a problem
> for both GIN and GIST. If people already know what they'll be looking
> for and what they will never be looking for, it seems easier to supply
> that list up front, rather than hide it behind lots of hand-crafted
> code.
>
> Can we include that functionality now?

This could be realized very easyly using dict_strict, which returns
only known words, and mapping contains only this dictionary. So, 
feel free to write it and submit.

    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


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