From: "isaac flemmin" <isaac@knox.net>
To: "'Stephan Szabo'" <sszabo@megazone23.bigpanda.com>
Cc: <pgsql-sql@postgresql.org>
Subject: Re: Case insensitive select
Date: Wed, 12 Jun 2002 19:06:02 -0700
Message-ID: <000001c2127e$df411980$ad463e04@ixic>
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Yes that worked. Thanks! I will have to look more at the lower function
now so I know why that worked!

Thanks again for the prompt response.
Sincerely

Isaac

-----Original Message-----
From: pgsql-sql-owner@postgresql.org
[mailto:pgsql-sql-owner@postgresql.org] On Behalf Of Stephan Szabo
Sent: Wednesday, June 12, 2002 6:34 PM
To: isaac flemmin
Cc: pgsql-sql@postgresql.org
Subject: Re: [SQL] Case insensitive select


On Wed, 12 Jun 2002, isaac flemmin wrote:

> Hello,
>
> I am using PostgreSQL 7.2 and I am trying to do a case insensitive
> select statement using the lower function. I am using these lines from
> the PostgreSQL 7.2 users guide as a template for my query.
>
> --
> "For example, a common way to do case-insensitive comparisons is to
use
> the lower function:
> SELECT * FROM test1 WHERE lower(col1) = 'value';"
> --
>
> The query looks almost exactly the same but it always returns 0
results.
> This does not make sense to me because if the query,
>
> "SELECT * FROM test1 WHERE col1 = 'Value';",
>
> returns something, then I assume the query,
>
> "SELECT * FROM test1 WHERE lower(col1) = 'value';",
>
> should return something as well. Do I not understand the way that the
> lower function works, or is there something else I have to do?
Obviously

If col1 is char(n), the above may have wierd results due to padding
spaces I believe.  Does trim(lower(col1))='value' give results?


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