| From: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Childs <blue(dot)dragon(at)blueyonder(dot)co(dot)uk>, <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Alter Contraint |
| Date: | 2003-02-07 15:25:31 |
| Message-ID: | 20030207072350.J55735-100000@megazone23.bigpanda.com |
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| Thread: | |
| Lists: | pgsql-general |
On Fri, 7 Feb 2003, Tom Lane wrote:
> Peter Childs <blue(dot)dragon(at)blueyonder(dot)co(dot)uk> writes:
> > Now we can actually use Constraints properly in 7.3 (unlike
> > previous versions) Is it possible to change them without dropping and
> > recreating.
> > I think somone else has already asked this within the last few
> > days. But what I need to do is make my constraints deferrable.
>
> Have you looked at SET CONSTRAINTS ? I'm not sure how complete our
> implementation is, but it seems more nearly a match for your problem
> than a persistent ALTER command.
AFAIK, SET CONSTRAINTS only lets you change the check time of
deferrable constraints, it doesn't let you make a not deferrable
constraint deferrable.
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