Re: DROP TABLE... CASCADE weirdness

From: Alvaro Herrera <alvherre(at)atentus(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: DROP TABLE... CASCADE weirdness
Date: 2002-09-14 03:06:48
Message-ID: Pine.LNX.4.44.0209132258070.28737-100000@cm-lcon1-46-187.cm.vtr.net
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Tom Lane dijo:

> Alvaro Herrera <alvherre(at)atentus(dot)com> writes:
> > I understand what's going on and how to get the desired behavior, but
> > it's weird and I think it should be fixed if possible.
>
> Define why you consider this broken

On the first case, if I'm specifying to drop both tables, I don't want
to be bothered telling me that the second depends on the first: I have
already specified that I want it dropped.

On the second case (CASCADE), I'm trying to drop the second table, so I
do not want to be bothered telling me that it doesn't exist, because
that is exactly what I want.

> and what you would consider fixed.

In both cases (CASCADE and RESTRICT), both tables should be dropped
(after all, that's what I'm trying to do).

It's only an annoyance, and I suppose it's very difficult to "fix".
My solution would be first to fetch the whole list of OIDs to be dropped
and only then do the deletion.

--
Alvaro Herrera (<alvherre[a]atentus.com>)
"Tiene valor aquel que admite que es un cobarde" (Fernandel)

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