pgsql-bugs@postgresql.org writes:
> Sequence currupted on recovery after kill -9
> Long Description
> If you create a file with an implied sequence and do a couple of inserts, then do a kill -9, when you start up again,
thesequence will have a corrupted next_value field. In the example, the value of last_value is 4 before the kill -9
and34 when it comes back up.
This is not corruption, it is the intended behavior. Only if the
sequence were to go backwards would we consider it a bug.
(There were some sequence-can-go-backwards bugs awhile ago ... but
since you didn't say what version you are using, it's impossible
to guess whether you need an upgrade.)
regards, tom lane
