[wp-hackers] Development for 2.x : Improved Search

[Denis de Bernardy]

> a) Simple : Add MySQL Full Text Indexing to Wordpress and 
> modify the search hooks to use it. Moving to FT indices on 
> MyISAM tables gives actually quite good serch out of the 
> gate. (...)
> 
> Difficulty: not huge.  Willing to do in full myself.

This is mostly done already, and MyISAM full text indexing is about as bad
as bad can get.

http://www.semiologic.com/software/search-reloaded/

D.