Re: regexp on null

On Fri, Sep 10, 2010 at 10:25:55AM -0700, Richard Broersma wrote:
> On Fri, Sep 10, 2010 at 9:56 AM, Gauthier, Dave <dave(dot)gauthier(at)intel(dot)com> wrote:
> > Ya, I kinda knew about these approaches.  The problem ahs to do
> > with novice users who don't know about coalesce or or;ing a check
> > ofr nulls.  I was hoping there was some special regexp expression
> > that would match to a null.
>
> Perhaps the easiest was to help such users is to make the column(s)
> in question NOT NULL DEFAULT ''.

I think it's a very, very bad idea to make a default like that. I'm
aware that it's common in one of those Oracle properties, but it needs
to stay confined there.

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com
iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics

Remember to vote!
Consider donating to Postgres: http://www.postgresql.org/about/donate