SQL check in XOR

[Alan DeKok]

Rosario Lumia wrote:
> I have more SQL in which check for accounting infos.
> In my "sites-enabled/default" file I have in my accounting section:
..
> I notice that in this way the process check if AT LEAST one of above
> tables "returns ok", but I'd want accounting module returns OK iff
> exactly ONE of that returns ok.
> 
> Is there a way to configure in this XOR way?

$ man unlang

  This is documented.

  Alan DeKok.