try case
for example
select case when bool_column then 'Yes' else 'No end from your_table;
---------- Original Message -----------
From: Roy Souther <roy@SiliconTao.com>
To: pgsql-sql@postgresql.org
Sent: Mon, 27 Jun 2005 11:16:58 -0600
Subject: [SQL] How can I simply substatue a value in a query?
> I want to do a simple substatution of a value in a query. For example I
> have a boolean field that wil return t or f for True and False. I would
> like it to return Yes or No. I don't want to have a 2x2 table to look up
> the output. I don't want to use stored procedue.
>
> I think there is a better way, somthing very simple but I cannot
> remember what it is.
>
> Roy Souther
> www.SiliconTao.com
> Let Open Source help your business move beyond.
>
> For security this message is digitally authenticated by GnuPG.
------- End of Original Message -------