| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Walters Che Ndoh <chendohw(at)gmail(dot)com> |
| Cc: | Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Change from BIGINT to INT in prod. |
| Date: | 2020-11-06 08:27:22 |
| Message-ID: | eba1e522e6a0cf69b6bca6c36e45f6d101670c84.camel@cybertec.at |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Thu, 2020-11-05 at 11:23 -0700, David G. Johnston wrote:
> > So when i try running alter table table_name alter column column_name type INT; , it is hanging and starts providing a lock on the table.
It has to rewrite the table and needs an AccessExclusive lock.
You have to suspend all concurrent activity on that table.
> I'm not seeing the point of doing this specific conversion at all really
Exactly; this exercise is not necessary.
The few bytes you are saving are not worth the trouble.
Yours,
Laurenz Albe
--
+43-670-6056265
CYBERTEC PostgreSQL International GmbH
Gröhrmühlgasse 26, A-2700 Wiener Neustadt
Web: https://www.cybertec-postgresql.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Holger Jakobs | 2020-11-06 08:49:49 | Re: Remote Access Help |
| Previous Message | DaStormer | 2020-11-06 00:13:22 | Remote Access Help |