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From: Wietse Venema (wietse
porcupine.org)Date: Tue Apr 03 2001 - 11:38:50 CDT
Laurent Wacrenier:
> Wietse Venema wrote:
> > > Philosophicaly, a NULL value is not the same that a empty string
> > > value.
> >
> > Right, there is also something like the principle of least surprise.
> > If null fields in databases are so undesirable, why are they allowed
> > to exist in the first place?
>
> The MySQL handbook has a long chapter about NULL and empty string.
Yes, and why should Postfix always ignore a multi-valued result
that contains a null field?
Wietse
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