From: Richard Broersma Jr <rabroersma@yahoo.com>
To: Doug Hyde <doug.hyde@e-cocreate.com>
To: pgsql-sql@postgresql.org
Subject: Re: How to autoincrement a primary key...
Date: Fri, 22 Sep 2006 12:25:41 -0700 (PDT)
Message-ID: <20060922192541.46464.qmail@web31815.mail.mud.yahoo.com> (raw)
In-Reply-To: <000001c6de7b$3a211c70$6501a8c0@laptop>
> I am sure this is simple, but I don't get it. I am new to PGSQL, coming from
> MySQL - in mysql, you can autoincrement the primary key; in postgre, I am
> not sure how to do this. I have read the documentation, and tried "nextval"
> as the default - I have searched for the datatype SERIAL, but I am using
> navicat and this datatype is not supported. Can someone tell me how to do
> this - I just want the integer value for a primary key to autoincrement by
> one.
CREATE TABLE bar (id SERIAL PRIMARY KEY);
Is just shorthand notation for:
CREATE SEQUENCE foo START 1;
CREATE TABLE bar (id integer PRIMARY KEY DEFAULT nextval('bar'));
Also see:
http://www.postgresql.org/docs/8.1/interactive/sql-createtable.htmlhttp://www.postgresql.org/docs/8.1/interactive/sql-createsequence.html
Regards,
Richard Broersma Jr.
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To: pgsql-sql@postgresql.org
Cc: rabroersma@yahoo.com, doug.hyde@e-cocreate.com
Subject: Re: How to autoincrement a primary key...
In-Reply-To: <20060922192541.46464.qmail@web31815.mail.mud.yahoo.com>
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