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From: Jaime Casanova <systemguards@gmail.com>
To: Peter Childs <peterachilds@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: delete from a using b in postgres 8.1.
Date: Tue, 3 Jan 2006 14:18:51 -0500
Message-ID: <c2d9e70e0601031118t7e8dbd85m3da826d0b845644@mail.gmail.com> (raw)
In-Reply-To: <a2de01dd0601020528j39555990i@mail.gmail.com>
References: <a2de01dd0601020528j39555990i@mail.gmail.com>

On 1/2/06, Peter Childs <peterachilds@gmail.com> wrote:
> a command such as
>
> delete from a using b where a.one=b.one and b.two='foo';
>
> works fine in 8.1 but fails totally in 8.0 however
>
> delete from a where a.one=b.one and b.two='foo';
>
> works fine in 8.0 and bellow but fails in 8.1 unless you have the
> add_missing_from option set to true in 8.1
> Even then it produces a nasty warning.
>

it will not break anything because you can set this flag in the
VERSION/PLATFORM COMPATIBILITY section of postgresql.conf

> This can break tones of clients admittedly the work around is quick but not
> particularly neat. What do the other sql database do and is this just
> another inconstancy in SQL?
>
> I realise this was done to fix a bug but its a nasty sitting there that many
> client developers are going to miss it before it goes back to the end user.
> I also don't think  this has been made particularly clear in changes.
>
> Peter Childs
>

--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)



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