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Re: how to speed ilike

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <julius(at)nsoft(dot)lt>,<pgsql-admin(at)postgresql(dot)org>
Subject: Re: how to speed ilike
Date: 2010-01-25 13:18:43
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
Julius Tuskenis  wrote:
> I've made a function that converts lithuanian letters to latin and
> use it like fnk_latin(username) ILIKE fnk_latin('kestas').
> Now the problem is performance.
> Maybe some special index would help?
create index tblname_username_latin on tblname
You might want to have that function force all letters to lowercase. 
It might also help to specify varchar_pattern_ops.



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