Re: UUID v7

x4mmm@yandex-team.ru

From: "Andrey M. Borodin" <x4mmm@yandex-team.ru>

To: Sergey Prokhorenko <sergeyprokhorenko@yahoo.com.au>

Cc: Jelte Fennema-Nio <postgres@jeltef.nl>, Michael Paquier <michael@paquier.xyz>, Aleksander Alekseev <aleksander@timescale.com>, pgsql-hackers mailing list <pgsql-hackers@postgresql.org>, Peter Eisentraut <peter@eisentraut.org>, Przemysław Sztoch <przemyslaw@sztoch.pl>, "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>

Date: 2024-08-04T10:50:37Z

Lists: pgsql-hackers

Attachments

v27-0001-Implement-UUID-v7.patch (application/octet-stream) patch v27-0001

> On 28 Jul 2024, at 23:44, Andrey M. Borodin <x4mmm@yandex-team.ru> wrote:
> 
> PFA version accepting offset interval.

There was a bug: when time was not moving on, I was updating used time by a nanosecond, instead of 1/4096 of millisecond.
V27 fixes that.

Thanks!

Best regards, Andrey Borodin.

Commits

Fix timestamp overflow in UUIDv7 implementation.
- a5419bc72e22 18.0 landed
Add UUID version 7 generation function.
- 78c5e141e9c1 18.0 landed
Add some UUID support functions
- 794f10f6b920 17.0 landed