Re: regexp on null

Agree with David.

Regards,
Dmitriy

2010/9/10 David Fetter <david(at)fetter(dot)org>

> 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
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>