Re: logical column ordering

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От Bruce Momjian
Тема Re: logical column ordering
Дата
Msg-id 20150303172304.GG5726@momjian.us
обсуждение исходный текст
Ответ на Re: logical column ordering  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: logical column ordering  (Jim Nasby <Jim.Nasby@BlueTreble.com>)
Список pgsql-hackers
On Thu, Feb 26, 2015 at 01:55:44PM -0800, Josh Berkus wrote:
> On 02/26/2015 01:54 PM, Alvaro Herrera wrote:
> > This patch decouples these three things so that they
> > can changed freely -- but provides no user interface to do so.  I think
> > that trying to only decouple the thing we currently have in two pieces,
> > and then have a subsequent patch to decouple again, is additional
> > conceptual complexity for no gain.
> 
> Oh, I didn't realize there weren't commands to change the LCO.  Without
> at least SQL syntax for LCO, I don't see why we'd take it; this sounds
> more like a WIP patch.

FYI, pg_upgrade is going to need pg_dump --binary-upgrade to output the
columns in physical order with some logical ordering information, i.e.
pg_upgrade cannot be passed only logical ordering from pg_dump.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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