Re: autoincrement question

--------------------------------


-----Original Message-----
From: Richard Broersma Jr [mailto:rabroersma@yahoo.com]
Sent: Monday, January 07, 2008 3:40 PM
To: Jack Albright; Sean Davis
Cc: pgsql-novice@postgresql.org
Subject: Re: [NOVICE] autoincrement question

--- On Mon, 1/7/08, Sean Davis <sdavis2@mail.nih.gov> wrote:


> create table junktable (
>      pk1 serial primary key
> );
>
> will get you what you want.  Check out the docs for the
> "serial" column type.


|Also, if the table and column already exist, you can alter the table's
|column to become an auto-incrementing column.

|http://www.postgresql.org/docs/8.3/static/datatype-numeric.html#DATATYP
E-|SERIAL

|You can substitute the create table statement with an appropriate alter
|table alter column statement from the example demonstrated in the above
|link.

If you are using an existing field with existing (unique) values, make
sure that you (re)set the SERIAL's index to the next value that you want
to use...