1)insert data into table
2)ALTER TABLE <table> ADD id SERIAL;
3)ALTER TABLE <table> ADD CONSTRAINT <table>_pk PRIMARY KEY (id);
you can check the docs for the SERIAL type: http://www.postgresql.org/docs/7.4/static/datatype.html#DATATYPE-SERIAL
On Sat, 2004-11-06 at 17:29, Hunter Hillegas wrote:
That sounds nice and easy... So, I would do something like 'ALTER TABLE' to generate the PK column? What would be the best way to populate it? Is there an area of doco I should be looking at? Thanks, Hunter > From: Peter Eisentraut <[EMAIL PROTECTED]> > Date: Sat, 6 Nov 2004 21:21:25 +0100 > To: Hunter Hillegas <[EMAIL PROTECTED]>, PostgreSQL > <[EMAIL PROTECTED]> > Subject: Re: [GENERAL] Mass Import/Generate PKs > > Hunter Hillegas wrote: >> I have a CSV file with 400,000 lines of email mailing list >> information that I need to migrate to a new PostgreSQL database. >> >> Each line has all the info I need except a PK (I usually use an int4 >> column for a PK). > > You could import the file into PostgreSQL and add a primary key column > later. > > -- > Peter Eisentraut > http://developer.postgresql.org/~petere/ > ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
signature.asc
Description: This is a digitally signed message part
