Changing Column Order (Was Re: MySQL vs PostgreSQL.)

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От Gavin Sherry
Тема Changing Column Order (Was Re: MySQL vs PostgreSQL.)
Дата
Msg-id Pine.LNX.4.21.0210121833480.26079-100000@linuxworld.com.au
обсуждение исходный текст
Ответ на Re: MySQL vs PostgreSQL.  (Hannu Krosing <hannu@tm.ee>)
Ответы Re: Changing Column Order (Was Re: MySQL vs PostgreSQL.)  (Antti Haapala <antti.haapala@iki.fi>)
Re: Changing Column Order (Was Re: MySQL vs PostgreSQL.)  (Jeff Davis <list-pgsql-hackers@empires.org>)
Re: Changing Column Order (Was Re: MySQL vs PostgreSQL.)  (Alessio Bragadini <alessio@albourne.com>)
Список pgsql-hackers
On 12 Oct 2002, Hannu Krosing wrote:

> Alvaro Herrera kirjutas L, 12.10.2002 kell 04:16:
> > On Fri, Oct 11, 2002 at 07:08:18PM -0700, Jeff Davis wrote:
> > 
> > > And it really is a minor matter of convenience. I end up dropping and 
> > > recreating all my tables a lot in the early stages of development, which is 
> > > mildly annoying. Certainly not as bad, I suppose, as if you're led to believe 
> > > that a feature does something safely, and it kills all your data.
> > 
> > Now that ALTER TABLE DROP COLUMN is implemented, there probably isn't
> > any more the need to do such frequent drop/create of tables.
> 
> Did attlognum's (for changing column order) get implemented for 7.2 ?

I cannot think of any reason why changing column order should be
implemented in Postgres. Seems like a waste of time/more code bloat for
something which is strictly asthetic.

Regardless, I do have collegues/clients who ask when such a feature will
be implemented. Why is this useful?

Gavin



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