Re: [mysql] Re: SELECT to return 0 instead of NULL?

["Tuc at T-B-O-H.NET" <ml@xxxxxxxxxxx>]

> 
> On Fri, May 23, 2008 at 8:23 AM, Tuc at T-B-O-H.NET <ml@xxxxxxxxxxx> wrote:
> > Hi,
> >
> >        I'm running a query :
> >
> > SELECT SUM(AcctSessionTime) FROM radacct WHERE UserName='hotspot';
> >
> >        But if there aren't any rows in "radacct" for the UserName of
> > "hotspot", it returns a NULL. Is there a way to change it to return 0
> > instead? (I can't change the application, but I can change the SQL)
> >
> 
> 
> SELECT IFNULL( SUM(AcctSessionTime),0) FROM radacct WHERE UserName='hotspot';
>
	Exactly what I need, thanks...

	I didn't see anything like that on the headers of :

http://dev.mysql.com/doc/refman/5.0/en/select.html

	otherwise I wouldn't have asked. Thanks!

		Tuc

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