David Olbersen wrote:
>Greetings,
> Is there a way to have postgresql always return a value for each row
> requested? To be more clear, if I were using a Perl SQL hybrid I would wri
>te
> something like
>
> SELECT computer_ip or 'unset' FROM computers;
>
> So that if computers.computer_ip is NULL or '' I will get 'unset' back fro
>m
> the database. I hope this makes sense and somebody can point me in a good
> direction
SELECT COALESCE(computer_ip,'unset') AS computer_ip FROM computers;
COALESCE() returns the leftmost non-null value from its parameters.
--
Oliver Elphick [EMAIL PROTECTED]
Isle of Wight http://www.lfix.co.uk/oliver
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in tongue; but in deed and in truth."
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