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Message-ID: <43EA3082.1010804@logix-tt.com>
Date: Wed, 08 Feb 2006 18:55:14 +0100
From: Markus Schaber <schabi@logix-tt.com>
Organization: Logical Tracking and Tracing International AG, Switzerland
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To: Bryce Nesbitt <bryce1@obviously.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Delete with join -- deleting related table entries?
References: <144D12D7DD4EC04F99241498BB4EEDCC20CC56@nelson.osl.com>
	<43EA2D5D.6000304@obviously.com>
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Hi, Bryce,

Bryce Nesbitt wrote:

> BEGIN;
>   DELETE FROM note WHERE issue_id IN (SELECT issue_id FROM isuse
>       WHERE reservation_id IN
>      (select reservation_id from reservations where date > magic);
>   DELETE FROM isuse WHERE reservation_id IN
>      (select reservation_id from reservations where date > magic)
>   DELETE FROM reservations WHERE reservation_id IN
>      (select reservation_id from reservations where date > magic)
> COMMIT;
> 
> I suppose I can do the subselect as a perl wrapper, but I was thinking
> that maybe SQL could do it all for me....

Why do you think this won't work? (provided you add the missing ) and ; :-)

Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org