Re: Remove Modifiers on Table
| От | Carlos Mennens |
|---|---|
| Тема | Re: Remove Modifiers on Table |
| Дата | |
| Msg-id | BANLkTikbdn_b3VtA4vQ+m=HFSrs5n0n4_A@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Remove Modifiers on Table (Raymond O'Donnell <rod@iol.ie>) |
| Ответы |
Re: Remove Modifiers on Table
Re: Remove Modifiers on Table |
| Список | pgsql-general |
On Tue, May 17, 2011 at 2:21 PM, Raymond O'Donnell <rod@iol.ie> wrote:
> That's because of what I just mentioned above. :-) It's not a type: it's
> just a shortcut. What you need to do instead is something like this:
>
> -- Create the sequence.
> create sequence users_id_seq;
>
> -- Tell the column to pull default values from the sequence.
> alter table users alter column id set default nextval('users_id_seq');
>
> -- Establish a dependency between the column and the sequence.
> alter sequence users_id_seq owned by users.id;
Yup - that explains that the shortcut doesn't work for existing tables
but only during CREATE TABLE. Otherwise I will need to manually CREATE
SEQUENCE...blah blah blah.
Thank you!
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