From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-sql@postgresql.org
Subject: Re: Table Relationships
Date: Tue, 31 Oct 2006 19:48:43 +0100
Message-ID: <20061031184843.GA12767@a-kretschmer.de> (raw)
In-Reply-To: <031936836C46D611BB1B00508BE7345D04C02E82@gatekeeper.daycos.com>
References: <031936836C46D611BB1B00508BE7345D04C02E82@gatekeeper.daycos.com>
am Tue, dem 31.10.2006, um 11:15:26 -0600 mailte Curtis Scheer folgendes:
> Given the following two tables:
>
> CREATE TABLE public.task
> (
> taskid int4 NOT NULL DEFAULT nextval('task_taskid_seq'::regclass),
> description varchar,
> CONSTRAINT pk_taskid PRIMARY KEY (taskid)
> )
>
> public.users
> (
> userid int4 NOT NULL,
> username varchar,
> CONSTRAINT pk_userid PRIMARY KEY (userid)
> )
>
> I want to record which user ?performed the task? and which user ?checked the
> task?, I?ve come up with a few ideas on this but I would like to know what the
> correct way would be to implement this into my table design.
Perhaps a table like this:
(
user int references public.users,
task int references public.task,
ts timestamptz default now(),
action char(1) check (action in ('p','c'))
)
-- with p(perform), c(cheked)
HTH, Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47215, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net
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To: pgsql-sql@postgresql.org
Cc: andreas.kretschmer@schollglas.com
Subject: Re: Table Relationships
In-Reply-To: <20061031184843.GA12767@a-kretschmer.de>
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