Re: ALTER EXTENSION ... UPGRADE;

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Aidan Van Dyk <aidan@highrise.ca>
Cc: "David E. Wheeler" <david@kineticode.com>, Dimitri Fontaine <dimitri@2ndquadrant.fr>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-12-13T15:50:43Z
Lists: pgsql-hackers
Aidan Van Dyk <aidan@highrise.ca> writes:
> On Sat, Dec 11, 2010 at 4:35 PM, David E. Wheeler <david@kineticode.com> wrote:
>> Why not just use an upgrade script naming convention?

> Mainly, because of the situation where I have may versions that can
> all be upgraded from the same script.  I'ld much rather distribution
> just 3 scripts (install + 2 upgrades), and a control file with
> something like this (pretend I'm on version 2.6)
>     upgragde-1.0 = $EXT-upgrade-1.sql
>     upgragde-1.1 = $EXT-upgrade-1.sql
>     upgragde-1.1.1 = $EXT-upgrade-1.sql
>     upgragde-1.1.2 = $EXT-upgrade-1.sql
>     upgragde-1.2 = $EXT-upgrade-1.sql
>     upgragde-1.3 = $EXT-upgrade-1.sql
>     upgragde-1.4 = $EXT-upgrade-1.sql
>     upgragde-1.4.1 = $EXT-upgrade-1.sql
>     upgrade-2.0 = $EXT-upgrade-2.sql
>     upgrade-2.1 = $EXT-upgrade-2.sql
>     upgrade-2.2 = $EXT-upgrade-2.sql
>     upgrade-2.2.1 = $EXT-upgrade-2.sql
>     upgrade-2.3 = $EXT-upgrade-2.sql
>     upgrade-2.4 = $EXT-upgrade-2.sql
>     upgrade-2.5 = $EXT-upgrade-2.sql

I see no advantage of this over a script per version combination, so
long as you allow scripts to \include each other.

			regards, tom lane