From: Richard Broersma <richard.broersma@gmail.com>
To: Glenn Maynard <glennfmaynard@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: changing multiple pk's in one update
Date: Mon, 13 Apr 2009 14:18:55 -0700
Message-ID: <396486430904131418g3898dc5h2472f9efab331489@mail.gmail.com> (raw)
In-Reply-To: <d18085b50904131409g10d43d6cs35dd14ede13bc02@mail.gmail.com>
References: <49DC1034.1060705@frii.com>
<dcc563d10904101120y49f00977nc74132e982518444@mail.gmail.com>
<49E37441.6030301@frii.com>
<d18085b50904131409g10d43d6cs35dd14ede13bc02@mail.gmail.com>
On Mon, Apr 13, 2009 at 2:09 PM, Glenn Maynard <glennfmaynard@gmail.com> wrote:
> Your PK is a composite of (entry, order)? Won't your foreign keys
> elsewhere all break when you shift the order around?
If there really are foreign keys, then an update will not be allowed
to shift a primary key unless the foreign key is set with ON UPDATE
CASCADE then the shifts will be cascaded to all references
automatically.
--
Regards,
Richard Broersma Jr.
Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug
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To: pgsql-sql@postgresql.org
Cc: richard.broersma@gmail.com, glennfmaynard@gmail.com
Subject: Re: changing multiple pk's in one update
In-Reply-To: <396486430904131418g3898dc5h2472f9efab331489@mail.gmail.com>
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