| From: | "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Sergey Prokhorenko <sergeyprokhorenko(at)yahoo(dot)com(dot)au>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Michael Paquier <michael(at)paquier(dot)xyz>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers mailing list <pgsql-hackers(at)postgresql(dot)org>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Przemysław Sztoch <przemyslaw(at)sztoch(dot)pl>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Mat Arye <mat(at)timescaledb(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Nikolay Samokhvalov <samokhvalov(at)gmail(dot)com>, Junwang Zhao <zhjwpku(at)gmail(dot)com> |
| Subject: | Re: UUID v7 |
| Date: | 2024-10-31 18:45:49 |
| Message-ID: | 7C6E9E4F-9519-48BC-8988-FD1CED83E887@yandex-team.ru |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> On 31 Oct 2024, at 22:15, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Sat, Oct 26, 2024 at 10:05 AM Andrey M. Borodin <x4mmm(at)yandex-team(dot)ru> wrote:
>
> I think we typically avoid this kind of check failure by assigning
> uuidv7() and uuidv7(interval) different C functions that call the
> common function. That is, we have pg_proc entries like:
>
Done.
>>>
>>> It's odd to me that only uuid_extract_timestamp() supports UUID v6 in
>>> spite of not supporting UUID v6 generation. I think it makes more
>>> sense to support UUID v6 generation as well, if the need for it is
>>> high.
>>
>> RFC urges to use UUIDv7 instead of UUIDv6 when possible. I'm fine with providing implementation, it's trivial. PFA patch with implementation.
>>
>
> My point is that we should either support full functionality for
> UUIDv6 (such as generation and extraction) or none of them. I'm not
> really sure we want UUIDv6 as well, but if we want it, it should be
> implemented in a separate patch.
Make sense. I've removed all traces of v6.
Thanks!
Best regards, Andrey Borodin.
| Attachment | Content-Type | Size |
|---|---|---|
| v29-0001-Implement-UUID-v7.patch | application/octet-stream | 17.5 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Melanie Plageman | 2024-10-31 18:50:58 | Re: Count and log pages set all-frozen by vacuum |
| Previous Message | Aleksander Alekseev | 2024-10-31 18:19:57 | Re: [PATCH] Improve code coverage of network address functions |