| From: | Vik Fearing <vik(at)postgresfriends(dot)org> |
|---|---|
| To: | Surafel Temesgen <surafel3000(at)gmail(dot)com>, Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com> |
| Cc: | Ryan Lambert <ryan(at)rustprooflabs(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Rémi Lapeyre <remi(dot)lapeyre(at)lenstra(dot)fr>, Eli Marmor <eli(at)netmask(dot)it>, David Steele <david(at)pgmasters(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Georgios <gkokolatos(at)protonmail(dot)com>, Vik Fearing <vik(dot)fearing(at)enterprisedb(dot)com> |
| Subject: | Re: WIP: System Versioned Temporal Table |
| Date: | 2021-01-16 14:08:48 |
| Message-ID: | 0bd88109-db3a-e01a-ab0f-838c2f85db6f@postgresfriends.org |
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| Lists: | pgsql-hackers |
On 1/14/21 6:42 PM, Surafel Temesgen wrote:
> Hi Simon,
> Thank you for all the work you does
>
> On Mon, Jan 11, 2021 at 5:02 PM Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>
> wrote:
>
>>
>>
>> * Anomalies around use of CURRENT_TIMESTAMP are not discussed or resolved.
>> Probably need to add a test that end_timestamp > start_timestamp or ERROR,
>> which effectively enforces serializability.
>>
>>
>
> This scenario doesn't happen.
It *does* happen and the standard even provides a specific error code
for it (2201H).
Please look at my extension for this feature which implements all the
requirements of the standard (except syntax grammar, of course).
https://github.com/xocolatl/periods/
--
Vik Fearing
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