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

From: Chris <dmagick(at)gmail(dot)com>
To: Madison Kelly <linux(at)alteeve(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Writting a "search engine" for a pgsql DB
Date: 2007-02-27 23:05:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
Madison Kelly wrote:
> Hi all,
>   I am asking in this list because, at the end of the day, this is a 
> performance question.
>   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).
>   So I am hoping some of you guys and gals might be able to point me 
> towards some resources or offer some tips or gotcha's before I get 
> started on this. I'd really like to come up with a more intelligent 
> search engine that doesn't take two minutes to return results. :) I 
> know, in the end good indexes and underlying hardware will be important, 
> but a sane as possible query structure helps to start with.

As someone mentioned, tsearch2 is a good option.

<plug> I wrote a small article about how to get it set up relatively 
easily: </plug>

Postgresql & php tutorials

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