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help / color / mirror / Atom feedFrom: Bruce Momjian <[email protected]>
To: Robert Haas <[email protected]>
Cc: Grzegorz Szpetkowski <[email protected]>
Cc: [email protected]
Subject: Re: ALTER TABLE doc small thing
Date: Sat, 10 Sep 2011 09:24:50 -0400 (EDT)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
Robert Haas wrote:
> On Mon, May 9, 2011 at 2:12 PM, Grzegorz Szpetkowski
> <[email protected]> wrote:
> > "NOTE 30 ? If MATCH FULL or MATCH PARTIAL is specified for a
> > referential constraint and if the referencing table has only one
> > column specified in <referential constraint definition> for that
> > referential constraint, or if the referencing table has more than one
> > specified column for that <referential constraint definition>, but
> > none of those columns is nullable, then the effect is the same as if
> > no
> > <match type> were specified."
> >
> > I found that in SQL:2003 draft, so in above case MATCH FULL is
> > syntactically ok, but rather confusing and effectively do nothing
> > (maybe just impression purpose).
>
> I guess we could remove it, but I don't think it's really doing any harm.
I find the MATCH FULL makes the example less real-world accurate, so I
removed the specification from the example.
--
Bruce Momjian <[email protected]> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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