Re: Remove Modifiers on Table
От | Carlos Mennens |
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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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