Re: UUID column as pimrary key?

From: Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
To: Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
Cc: Radosław Smogura <rsmogura(at)softperience(dot)eu>, PostgreSQL general <pgsql-general(at)postgresql(dot)org>
Subject: Re: UUID column as pimrary key?
Date: 2011-01-05 14:55:53
Message-ID: AANLkTimOa4zZxCApCNw6DGQAmWdT2yuzJuJUgjqj-0X1@mail.gmail.com
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On Wed, Jan 5, 2011 at 2:37 PM, Scott Ribe <scott_ribe(at)elevated-dev(dot)com> wrote:
> On Jan 5, 2011, at 1:31 AM, Radosław Smogura wrote:
>
>> * simple to generate, and 128bit random is almost globally unique,
>
> Almost? Should be totally unique, as long as your random source is decent quality.

But I would never rely on that alone. You always have a strategy in
place, in case there's a duplicate.

--
GJ

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