Using UUIDs - comp.databases.ingres

Message from discussion Using UUIDs

Paul Mason

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More options May 10, 5:59 am

Newsgroups: comp.databases.ingres

From: "Paul Mason" <latep...@gmail.com>

Date: Sat, 10 May 2008 10:59:19 +0100

Local: Sat, May 10 2008 5:59 am

Subject: Re: [Info-Ingres] Using UUIDs

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2008/5/9 Roy Hann <specia...@processed.almost.meat>:

> "Roy Hann" <specia...@processed.almost.meat> wrote in message
> news:-rSdndIaTMcSNLnVnZ2dnUVZ8hidnZ2d@pipex.net...

> > Since I posted this question a careful reading of
> > http://www.ietf.org/rfc/rfc4122.txt tells me that UUIDs returned by
> > uuid_to_char() that look like these below, generated using II 9.1.0
> > (int.w32/119):

> > bb15cc31-fcc9-4c6e-ad21-7349e11f5e14
> > 8f98246f-e393-44e5-9d9c-718838e89f93
> > 70e9e3dc-7f3c-436c-a913-f03279d4f28d
> > 2cd1136c-0e2b-423c-9253-b461d29d7755

> > are Version 4 (because the high-order 4 bits of the so-called
> > "time_hi_and_version" field are 0100).

> I just got access to my Sun system again, and I see that Ingres II 9.1.0
> (su9.us5/119) produces Version 1 UUIDs, as documented! E.g.:

> 8a467b18-1e02-11dd-9131-000000000000
> 8a468972-1e02-11dd-8932-000000000000
> 8a468c7b-1e02-11dd-ac16-000000000000
> 8a468f6a-1e02-11dd-a0d6-000000000000

> I don't like the dissimilar behaviour. I am inclined to say it is a nasty
> mis-feature if not an outright bug.

I'd certainly call it a bug.

--
Paul Mason

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