Re: DEFAULT in

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От Bruce Momjian
Тема Re: DEFAULT in
Дата
Msg-id 200305260256.h4Q2uWq07499@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: DEFAULT in  (Rod Taylor <rbt@rbt.ca>)
Список pgsql-hackers
Added to TODO:
* Allow UPDATE to use SET col = DEFAULT

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Rod Taylor wrote:
-- Start of PGP signed section.
> I'll look into it...
> 
> On Mon, 2003-03-24 at 20:14, Christopher Kings-Lynne wrote:
> > > <set clause list> (the list of SET expressions in an UPDATE statement;
> > > section 14.12) allows a <contextually typed value specification> on the
> > > right-hand side of SET assignments. One of the possibilities for a
> > > <contextually typed value specification> is DEFAULT (section 6.5).
> > >
> > > In other words, this syntax should be legal:
> > >
> > > UPDATE sometable SET somecolumn = DEFAULT;
> > >
> > > but it doesn't appear to be implemented as of CVS tip.
> > 
> > Hmmm...I ran into a situation where I wanted that just the other day.
> > INSERT INTO...SELECT FROM kind of thing...
> > 
> > Chris
> -- 
> Rod Taylor <rbt@rbt.ca>
> 
> PGP Key: http://www.rbt.ca/rbtpub.asc
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