On Fri, 2003-09-19 at 14:02, Jean-Christian Imbeault wrote:
> Oliver Elphick wrote:
>
> >>Foreign Key constraints: $1 FOREIGN KEY (pid) REFERENCES products(id) ON
> >>UPDATE NO ACTION ON DELETE NO ACTION
> >
> > Drop the constraint; then add an amended one.
>
> Ok, how do I drop the constraint, it has no name.
From what you quoted above, its name is $1
ALTER TABLE xxx DROP CONSTRAINT "$1"; -- double quotes required since
-- $1 is an identifier
> Secondly what is the correct syntax for adding a new constraint with ON
> DELETE CASCADE?
ALTER TABLE xxx ADD CONSTRAINT "$1" FOREIGN KEY (pid) REFERENCES
products(id) ON UPDATE NO ACTION ON DELETE CASCADE;
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight, UK http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C
========================================
"Bring ye all the tithes into the storehouse, that
there may be meat in mine house, and prove me now
herewith, saith the LORD of hosts, if I will not open
you the windows of heaven, and pour you out a
blessing, that there shall not be room enough to
receive it." Malachi 3:10