From: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
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To: | "'Campbell, Lance *EXTERN*'" <lance(at)illinois(dot)edu>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: Table symbolic link |
Date: | 2016-05-18 14:57:44 |
Message-ID: | A737B7A37273E048B164557ADEF4A58B53851CB5@ntex2010i.host.magwien.gv.at |
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Lists: | pgsql-admin |
Lance Campbell wrote:
> I have 16 web applications using a single database. Some of the tables in the database are used by
> many of the applications. I wanted to rename a particular table. The issue is that I would have to
> change every application then stop all the applications and then redeploy them after renaming the
> table to the new name.
>
> The better strategy would be to rename the table to the new name and add a symbolic table that link to
> the new table name. Then as I make changes to each application I can point them to the new name.
> Maybe in a year I could delete the symbolic table name.
>
> Is this possible? I have not seen a symbolic table name feature but I thought I would ask.
>
> If this is not currently possible it might be something to consider adding.
You can do that with a view:
BEGIN;
ALTER TABLE oldname RENAME TO newname;
CREATE VIEW oldname AS SELECT * FROM newname;
COMMIT;
Yours,
Laurenz Albe
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