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 column the 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 -- The best thing about modern society is how easy it is to avoid contact with it. http://depesz.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general