Re: Help writing a piece of SQL - Mailing list pgsql-sql

On 3 feb 2006, at 14.06, Nigel Bishop wrote:

> Thank you very much, that did the business


This should generate the same plan as the previous query, but be a  
little bit more clean and easy to read:

SELECT sendto FROM users t1
WHERE domain='rusty.com' AND
username = COALESCE((SELECT username FROM users WHERE username='fred'  
and domain=t1.domain), username);



Sincerely,

Niklas Johansson