# mike@xxxxxxxx / 2005-07-22 06:50:58 -0600:
> On Fri, Jul 22, 2005 at 02:20:31PM +0200, Roman Neuhauser wrote:
> >
> > select cast(coalesce(nullif('', trim(callingip)), '127.0.0.1') as inet)
> >
> > ERROR: invalid input syntax for type inet: ""
> >
> > what is it trying to tell me?
>
> NULLIF returns the first argument if the arguments aren't equal,
> so in this case if they aren't equal then NULLIF returns ''. COALESCE
> then returns '' because its first argument isn't NULL, and that
> value is then cast to inet and fails. Try reversing the order of
> arguments to NULLIF:
>
> select cast(coalesce(nullif(trim(callingip), ''), '127.0.0.1') as inet);
OMG I had it reversed... Thanks, and sorry for the bother.
--
How many Vietnam vets does it take to screw in a light bulb?
You don't know, man. You don't KNOW.
Cause you weren't THERE. http://bash.org/?255991
---------------------------(end of broadcast)---------------------------
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
