Re: full featured alter table? - Mailing list pgsql-general

From Jean-Luc Lachance
Subject Re: full featured alter table?
Date
Msg-id 3EEE19AD.F592E020@nsd.ca
Whole thread Raw
In response to Re: full featured alter table?  ("scott.marlowe" <scott.marlowe@ihs.com>)
Responses Re: full featured alter table?  (Sven Köhler <skoehler@upb.de>)
List pgsql-general
Really?

What if two PgAdmin sessions want two different order?
Presentation order should be done at the application level.

JLL

Tom Lane wrote:
>
> Bruno Wolff III <bruno@wolff.to> writes:
> >   Sven Köhler <skoehler@upb.de> wrote:
> >> let's express it another way: we want to define the order of the columns
> >> when they are shown in tools like phpPgAdmin or PgAdminII.
>
> > That is something that those tools should do then. It isn't really a
> > postgres issue as it already provides ways for the tools to get
> > information about columns of a table.
>
> Perhaps, but pg_attribute is the natural place to keep the column
> ordering info.
>
> ISTM we talked months ago about adding an "attlognum" column to
> pg_attribute, which would be separate from "attnum" (the physical column
> position) and would be used by the backend only to determine the order
> of SELECT * expansion.  Admin tools could use this to determine column
> display order too.  It didn't get done, but it still seems like a
> reasonable idea to me.
>
>                         regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster

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