Re: unlogged sequences

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