Re: logical column ordering

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От Bruce Momjian
Тема Re: logical column ordering
Дата
Msg-id 20150303222755.GM5726@momjian.us
обсуждение исходный текст
Ответ на Re: logical column ordering  (Jim Nasby <Jim.Nasby@BlueTreble.com>)
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On Tue, Mar  3, 2015 at 11:41:20AM -0600, Jim Nasby wrote:
> >>Wouldn't it need attno info too, so all 3 orderings?
> >
> >Uh, what is the third ordering?  Physical, logical, and ?  It already
> >gets information about dropped columns, if that is the third one.
> 
> attnum; used in other catalogs to reference columns.
> 
> If you're shuffling everything though pg_dump anyway then maybe it's
> not needed...

Yes, all those attno system table links are done with pg_dump SQL
commands.

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



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