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Re: LIKE and REGEX optimization

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On Tue, Jan 15, 2008 at 04:49:41PM -0600, Scott Marlowe wrote:
> This query is not capable of using an index on name, since you can't
> use an index with a like beginning with a %... So

actually you can. you just can't use index for like %something%, but it
can be solved using trigrams or another approaches. for example:
http://www.depesz.com/index.php/2007/09/15/speeding-up-like-xxx/

depesz

-- 
quicksil1er: "postgres is excellent, but like any DB it requires a
highly paid DBA.  here's my CV!" :)
http://www.depesz.com/ - blog dla ciebie (i moje CV)

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