Обсуждение: Trigger SQL script execution after DROP EXTENSION

On 02/16/2014 09:52 PM, amul sul wrote:
> Hello ALL,
>
> I need little help regarding DROP EXTENSION.
>
> Can it will be possible to execute some SQL command automatically after
> DROP EXTENSION ?
>
> In my EXTENSION, I am changing some pg_catalog tuples, I want to restore
> it when my EXTENSION is dropped.
>
> Thanks in advance, any help or suggestion is appreciated.

Not sure what version you are on, but in 9.3+ there are EVENT TRIGGERS:

http://www.postgresql.org/docs/9.3/interactive/event-triggers.html

> Regards,
>
> Amul Sul


-- 
Adrian Klaver
adrian.klaver@gmail.com