Re: Pg_restore and dump -- General question

On Mon, Apr 4, 2011 at 5:40 AM, Howard Cole <howardnews@selestial.com> wrote:
> On 04/04/2011 11:47 AM, salah jubeh wrote:
>
> What will happen if
>
> 1. dropped table a
> 2. insert data on b and the other relations
> 3. restore table a and it's dependency (table b).
>
> Simple advice would be to create a script on an offline system for testing -
> when you are happy with the results - do it on the online system - after
> making a backup of course! Anything else would be suicidal.

Agreed. AND on the production system first take a backup and THEN run
the drop cascade inside a transaction in case it does crazy things you
didn't foresee.

begin;
drop object yada cascade;

then rollback if things get too scary.