From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Domains and supporting functions |
Date: | 2006-02-19 12:49:07 |
Message-ID: | 20060219124907.GB1323@svana.org |
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Lists: | pgsql-hackers |
On Sat, Feb 18, 2006 at 09:27:47PM -0800, elein wrote:
> I've got a domain based on a text type.
> I've overridden the equal operator with
> lower(text) = lower(text).
>
> I created a table containing my new domain type
> and can see that the equals operator is not
> being used to determine uniqueness.
What you want is citext.
http://gborg.postgresql.org/project/citext/projdisplay.php
It is a case-insensetive type with indexing and conparison support.
Domains arn't going to do what you want...
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.
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