| From: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Neil Conway <neilc(at)samurai(dot)com>, Jon Jensen <jon(at)endpoint(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: logical column position |
| Date: | 2003-11-18 03:15:11 |
| Message-ID: | 20031117191140.X15470@megazone.bigpanda.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, 18 Nov 2003, Peter Eisentraut wrote:
> Christopher Kings-Lynne writes:
>
> > BTW, one main consideration is that all the postgres admin apps will now
> > need to support ORDER BY attlognum for 7.5+.
>
> But that is only really important if they've also used the ALTER TABLE
> RESHUFFLE COLUMNS feature. So if they make one alteration for 7.5, they
> need to do another. That seems fair.
The ability to reshuffle and to get the correct ordering in a client app
are separate unless we're going to assume that all access goes through
that particular client. If one user uses psql and shuffles them, a
second user using fooclient may not see the new ordering.
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