Re: BUG #5606: DEFERRABLE and DEFERRABLE INITIALLY DEFERRED are the same

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
Cc: Frank Heikens <f(dot)heikens(at)anva(dot)nl>, "pgsql-bugs(at)postgresql(dot)org" <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #5606: DEFERRABLE and DEFERRABLE INITIALLY DEFERRED are the same
Date: 2010-08-06 18:48:11
Message-ID: 8216.1281120491@sss.pgh.pa.us
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Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> writes:
> On 6 August 2010 16:25, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I edited that wiki section, see what you think.

> Yes, that's much better. I didn't read this page until just now.

> I did, however, read the release notes, and I didn't spot a similar error there:

> """
> This allows UPDATE tab SET col = col + 1 to work on columns that have
> a unique indexes or are marked as primary key, but DEFERRABLE
> INITIALLY DEFERRED must be used to mark the constraint as deferred.
> """

Hum, maybe that's where the wiki author's mistake came from :-(. Will fix.

regards, tom lane

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