On Saturday November 6 2004 2:13, Franco Bruno Borghesi wrote: > the simplest way to do it seems to be adding a SERIAL column to your > table, and then adding a primary key constraint: > > 1)insert data into table > 2)ALTER TABLE <table> ADD id SERIAL; > 3)ALTER TABLE <table> ADD CONSTRAINT <table>_pk PRIMARY KEY (id);
You may also need to populate the id column with unique values in between these two steps with something like " update table set id = nextval('table_id_seq'::text) where id isnull" I don't think SERIAL does that for you. Ed ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly