Re: logical column position

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От
Rod Taylor
Тема
Re: logical column position
Дата
Msg-id
1069123542.1633.30.camel@jester
Ответ на
Re: logical column position (Christopher Kings-Lynne)
Список
Дерево обсуждения
logical column position Neil Conway <neilc@samurai.com>
Re: logical column position Peter Eisentraut <peter_e@gmx.net>
Re: logical column position Neil Conway <neilc@samurai.com>
Re: logical column position Bruce Momjian <pgman@candle.pha.pa.us>
Re: logical column position Dave Cramer <pg@fastcrypt.com>
Re: logical column position Bruce Momjian <pgman@candle.pha.pa.us>
Re: logical column position Christopher Kings-Lynne <chriskl@familyhealth.com.au>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Dave Cramer <pg@fastcrypt.com>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Dave Cramer <pg@fastcrypt.com>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Hannu Krosing <hannu@tm.ee>
ALTER COLUMN/logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: ALTER COLUMN/logical column position Hannu Krosing <hannu@tm.ee>
Re: ALTER COLUMN/logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: ALTER COLUMN/logical column position Hannu Krosing <hannu@tm.ee>
Re: ALTER COLUMN/logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: ALTER COLUMN/logical column position Hannu Krosing <hannu@tm.ee>
Re: ALTER COLUMN/logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: ALTER COLUMN/logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: ALTER COLUMN/logical column position Peter Eisentraut <peter_e@gmx.net>
Re: ALTER COLUMN/logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: ALTER COLUMN/logical column position Dave Cramer <pg@fastcrypt.com>
Re: logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Christopher Kings-Lynne <chriskl@familyhealth.com.au>
Re: logical column position Manfred Koizar <mkoi-pg@aon.at>
Re: logical column position Jon Jensen <jon@endpoint.com>
Re: logical column position Neil Conway <neilc@samurai.com>
Re: logical column position Christopher Kings-Lynne <chriskl@familyhealth.com.au>
Re: logical column position Rod Taylor <pg@rbt.ca>
Re: logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Tom Lane <tgl@sss.pgh.pa.us>
Re: logical column position Andreas Pflug <pgadmin@pse-consulting.de>
Re: logical column position Peter Eisentraut <peter_e@gmx.net>
Re: logical column position Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: logical column position Christopher Kings-Lynne <chriskl@familyhealth.com.au>
On Mon, 2003-11-17 at 20:24, Christopher Kings-Lynne wrote:
> > Right -- AFAICS, the only change in COPY compatibility would be if you
> > COPY TO'd a table and then changed the logical column order in some
> > fashion, you would no longer be able to restore the dump (unless you
> > specified a column list for the COPY FROM -- which, btw, pg_dump
> > does). I don't think it will be a problem, I just thought I'd mention
> > it.
> 
> Well it's the same problem as if you'd dropped a column in the middle of 
> the table.
> 
> BTW, one main consideration is that all the postgres admin apps will now 
> need to support ORDER BY attlognum for 7.5+.

Yeah... how about maintaining attnum for the logical attribute number
and create an attphysnum or something for the physical position instead?

This is more intrusive into the source, but you don't need to teach new
tricks to external entities.


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