| From: | Andrey Borodin <x4mmm(at)yandex-team(dot)ru> |
|---|---|
| To: | Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> |
| Cc: | Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers mailing list <pgsql-hackers(at)postgresql(dot)org>, Nikolay Samokhvalov <nik(at)postgres(dot)ai>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Przemysław Sztoch <przemyslaw(at)sztoch(dot)pl>, Sergey Prokhorenko <sergeyprokhorenko(at)yahoo(dot)com(dot)au>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Nick Babadzhanian <pgnickb(at)gmail(dot)com>, Mat Arye <mat(at)timescaledb(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Nikolay Samokhvalov <samokhvalov(at)gmail(dot)com>, "Kyzer Davis (kydavis)" <kydavis(at)cisco(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "brad(at)peabody(dot)io" <brad(at)peabody(dot)io>, Kirk Wolak <wolakk(at)gmail(dot)com> |
| Subject: | Re: UUID v7 |
| Date: | 2024-01-24 17:51:49 |
| Message-ID: | 51252CFC-9FBB-45EA-97DC-FE1402D4447F@yandex-team.ru |
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| Lists: | pgsql-hackers |
> On 24 Jan 2024, at 22:00, Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> wrote:
>
> Is enough from 1970 ?
Per standard unix_ts_ms field is a number of milliseconds from UNIX start date 1970-01-01.
> How about if user wants to have an UUID of his birth date ?
I've claimed my
0078c135-bd00-70b1-865a-63c3741922a5
But again, UUIDs are not designed to store timestamp. They are unique and v7 promote data locality via time-ordering.
Best regards, Andrey Borodin.
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