Re: auto-increment column - Mailing list pgsql-general

From hubert depesz lubaczewski
Subject Re: auto-increment column
Date
Msg-id 20111004113709.GA10419@depesz.com
Whole thread Raw
In response to auto-increment column  (Robert Buckley <robertdbuckley@yahoo.com>)
List pgsql-general
On Tue, Oct 04, 2011 at 12:30:48PM +0100, Robert Buckley wrote:
> Hi,
>
> I have a column in a table called hist_id with the datatype "integer". When I created the table I assigned this
columnthe primary key constraint but didn´t make it an auto-increment column. 
>
> How could I do this to an the already existing column?
>
> I have created the sequence with the following command but don´t know how to change the existing column to
auto-increment.
>
>
> $ create sequence hist_id_seq;

alter table hist alter column hist_id set default nextval( 'hist_id_seq');

Best regards,

depesz

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