| From: | Carlos Mennens <carlos(dot)mennens(at)gmail(dot)com> |
|---|---|
| To: | PostgreSQL <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Remove Modifiers on Table |
| Date: | 2011-05-17 18:29:57 |
| Message-ID: | BANLkTikbdn_b3VtA4vQ+m=HFSrs5n0n4_A@mail.gmail.com |
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| Lists: | pgsql-general |
On Tue, May 17, 2011 at 2:21 PM, Raymond O'Donnell <rod(at)iol(dot)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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