Horton

Re: UUID v7

x4mmm@yandex-team.ru

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From: "Andrey M. Borodin" <x4mmm@yandex-team.ru>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Sergey Prokhorenko <sergeyprokhorenko@yahoo.com.au>, 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>, Stepan Neretin <sncfmgg@gmail.com>
Date: 2024-11-19T09:31:43Z
Lists: pgsql-hackers

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> On 19 Nov 2024, at 02:16, Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> 
> I realized that what we do in get_real_time_ns() on Windows is
> essentially the same as what we do in gettimeofday(). Probably we can
> just do either clock_gettime() with CLOCK_REALTIME on unix-like
> systems and gettimeofday() on Windows, and then don't change anything
> in instr_time.h? We need to explain why we don't use gettimeofday() on
> unix-like systems in get_real_time_ns() function.

Done.


Best regards, Andrey Borodin.

Commits

  1. Fix timestamp overflow in UUIDv7 implementation.

  2. Add UUID version 7 generation function.

  3. Add some UUID support functions