Horton

Re: UUID v7

Jelte Fennema-Nio <postgres@jeltef.nl>

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From: Jelte Fennema-Nio <postgres@jeltef.nl>
To: Sergey Prokhorenko <sergeyprokhorenko@yahoo.com.au>
Cc: Masahiko Sawada <sawada.mshk@gmail.com>, Przemysław Sztoch <przemyslaw@sztoch.pl>, "Andrey M. Borodin" <x4mmm@yandex-team.ru>, Michael Paquier <michael@paquier.xyz>, Aleksander Alekseev <aleksander@timescale.com>, pgsql-hackers mailing list <pgsql-hackers@postgresql.org>, Peter Eisentraut <peter@eisentraut.org>, "David G. Johnston" <david.g.johnston@gmail.com>, Mat Arye <mat@timescaledb.com>, Matthias van de Meent <boekewurm+postgres@gmail.com>, Nikolay Samokhvalov <samokhvalov@gmail.com>, Junwang Zhao <zhjwpku@gmail.com>, Stepan Neretin <sncfmgg@gmail.com>
Date: 2024-11-26T21:55:07Z
Lists: pgsql-hackers 
On Tue, 26 Nov 2024 at 21:48, Sergey Prokhorenko
<sergeyprokhorenko@yahoo.com.au> wrote:
> gen_uuidv7() is OK

I'd very much prefer to not have a gen_ or get_ prefix as argued before[1][2].

My vote is still for simply uuidv7() and uuidv4()

> uuid-ossp is outdated, slow and not supported by the author. UUIDv7 is the renaissance of UUIDs. So we should not depend on legacy technology names

agreed

[1]: https://www.postgresql.org/message-id/CAGECzQQ%3D38bVUR%3DLZ6vmBCEjaDfOOoQa%2BygFJ1mCG_H2jsC90Q%40mail.gmail.com
[2]: https://www.postgresql.org/message-id/flat/CAGECzQS%3DEjfLxdX89N95tHFGXS4m1aj2V_%2BxrJppBohgaKQhtQ%40mail.gmail.com#a3f72c5e74537046f58049f58f4fffe4

Commits

  1. Fix timestamp overflow in UUIDv7 implementation.

  2. Add UUID version 7 generation function.

  3. Add some UUID support functions