Re: Auto-incrementing field - Mailing list pgsql-novice

From Bruno Wolff III
Subject Re: Auto-incrementing field
Date
Msg-id 20020729143443.GA20033@wolff.to
Whole thread Raw
In response to Auto-incrementing field  ("Jim Steil" <jim.steil@customcall.com>)
List pgsql-novice
On Fri, Jul 26, 2002 at 14:49:30 -0500,
  Jim Steil <jim.steil@customcall.com> wrote:
> Is there a data type in PostgreSQL that will 'auto-increment'?  I have used
> this in MS SQL Server in the past and would like to continue to do so with
> PostgreSQL.  Thanks for any help...

You probably want to use sequences. There is even a psuedo type "serial"
that makes using them easier.
Note that sequences provide unique values, but they can skip over values.
Normally this is OK for keys, but if you really want a counter then
you need to do something different.

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