On Fri, Apr 23, 2004 at 13:07:43 +0200,
Stijn Vanroye <s.vanroye@farcourier.com> wrote:
> Maybe you can do something with this function:
>
> [quote from the postgres docs]
> 9.12.2. COALESCE
> COALESCE(value [, ...])
That's the inverse of what he would want if he used that approach. NULLIF
is what turns things into NULLs.