Re: [HACKERS] AUTO_INCREMENT suggestion

From: Mattias Kregert <matti(at)algonet(dot)se>
To: "D(dot) Dante Lorenso" <dlorenso(at)afai(dot)com>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] AUTO_INCREMENT suggestion
Date: 1998-03-06 10:45:46
Message-ID: 34FFD3DA.4260663C@algonet.se
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D. Dante Lorenso wrote:
>
> To aid those of us that don't want to use sequences, can we add a
> feature to 6.4 that allows the use of an AUTO_INCREMENT statement
> when defining tables? MySQL does this, and I like it. It resembles
> the Autonumber feature in Access as well.
>
> create table tblFirm (
> FirmID int PRIMARY KEY AUTO_INCREMENT,
> FirmTypeID int,
> FirmName varchar(64) NOT NULL,
> FirmAlpha char(20) NOT NULL UNIQUE,
> FirmURL varchar(64),
> FirmEmail varchar(64)
> );
>
> Just yet another suggestion.
>
> Dante

Since the PRIMARY KEY is implemented by creating an unique index
on the field, it should be easy to implement AUTO_INCREMENT by
automagically creating a sequence and setting it as the default for
this field.

Was PRIMARY KEY implemented in the parser?

/* m */

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