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

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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: http://www.designmagick.com/article/27/ </plug>

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