Re: SET NULL / SET NOT NULL

From: "Ross J(dot) Reedstrom" <reedstrm(at)rice(dot)edu>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SET NULL / SET NOT NULL
Date: 2002-03-22 06:54:10
Message-ID: 20020322065410.GA12161@rice.edu
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On Fri, Mar 22, 2002 at 02:34:57PM +0800, Christopher Kings-Lynne wrote:
> > > Do we want the above syntax, or this syntax:
> > >
> > > ALTER TABLE blah ALTER COLUMN col SET NOT NULL;
> > > ALTER TABLE blah ALTER COLUMN col SET NULL;
> >
> > My only objection to the second command is that it's plain wrong. You
> > don't set anything to NULL, so don't make the command look like it.
>
> So then how is it any more wrong than SET NOT NULL?
>
> It should almost be ADD NOT NULL ...

Hmm, there's this SQL92 keyword here: what do people thing of NULLABLE?

SET NOT NULLABLE
SET NULLABLE

Ross

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