Re: [GENERAL] non-case sensitive searches

From: Tim Williams <williams(at)ugsolutions(dot)com>
To: kheflin(at)shreve(dot)net (Kevin Heflin)
Cc: darold(at)neptune(dot)fr, pgsql-general(at)postgreSQL(dot)org
Subject: Re: [GENERAL] non-case sensitive searches
Date: 1999-01-13 10:12:10
Message-ID: 199901131612.KAA24820@ug.eds.com
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>
> On Wed, 13 Jan 1999, Gilles Darold wrote:
>
> > Hi Kevin,
> >
> > You can also use regexp expression like this :
> >
> > SELECT * FROM photos WHERE keywords ~* '.*$cat_name.*';
> >
> > it works fine.
>
>
> Thanks for the tip. Any recommendations as to which would be faster when
> searching about 2,000 records or so..
>
> WHERE keywords ~* '.*$cat_name.*';
>
> or
>
> WHERE lower(keywords) LIKE lower('%$cat_name%')

Well, you could (1) omit the second "lower()" function
(like '%cat_name%' is already in lower case!) (2) insure that your
table already contains nothing but lower-case (or upper-case) entries,
if appropriate.

- Tim

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