Re: Writting a "search engine" for a pgsql DB

Jeff Davis <pgsql@j-davis.com>

From: Jeff Davis <pgsql@j-davis.com>
To: Madison Kelly <linux@alteeve.com>
Cc: pgsql-performance@postgresql.org
Date: 2007-02-26T20:14:05Z
Lists: pgsql-performance
On Mon, 2007-02-26 at 11:29 -0500, Madison Kelly wrote:
>    I am looking at writing a search engine of sorts for my database. I 
> have only ever written very simple search engines before which amounted 
> to not much more that the query string being used with ILIKE on a pile 
> of columns. This was pretty rudimentary and didn't offer anything like 
> relevance sorting and such (I'd sort by result name, age or whatnot).

Look at Tsearch2:

http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/

It has a lot of features for searching, and can make use of powerful
indexes to return search results very quickly. As someone already
mentioned, it also has ranking features.

Regards,
	Jeff Davis