Re: unlogged sequences
| От | Peter Eisentraut |
|---|---|
| Тема | Re: unlogged sequences |
| Дата | |
| Msg-id | 4d869f30-c3d4-2f5d-40b3-44145c8f9192@2ndquadrant.com обсуждение исходный текст |
| Ответ на | Re: unlogged sequences (Michael Paquier <michael@paquier.xyz>) |
| Список | pgsql-hackers |
On 2019-06-21 07:31, Michael Paquier wrote:
> 1) Some SQL queries:
> create unlogged sequence popo;
> alter sequence popo increment 2;
The problem is that the above command does a relation rewrite but the
code doesn't know to copy the init fork of the sequence. That will need
to be addressed.
> select nextval('popo');
> select nextval('popo');
> 2) Then a hard crash:
> pg_ctl stop -m immediate
> pg_ctl start
> 3) Again, with a crash:
> select nextval('popo');
> #2 0x000055ce60f3208d in ExceptionalCondition
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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