Robert Hentosh wrote:
> On Tue, 29 Oct 2002 pgsql-bugs@postgresql.org wrote:
>
> > Matt Thompson (mthomp@tierfleet.com) reports a bug with a severity of 2
> > The lower the number the more severe it is.
> >
> > Short Description
> > 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,the sequence will have a corrupted next_value field. In the example, the value of last_value is 4 before the
kill-9 and 34 when it comes back up.
> >
>
>
> The purpose of a sequence is not to insure that the numbers are
> consecutive, only to insure that they are unique. If you have failed
> inserts, you will see holes also.
>
> I don't know off the top of my head how to do consecutive numbers. Maybe
> only with a table lock.
Right. Sequences aren't consecutive anyway because an ABORT will not
reuse the sequence value. There is an FAQ on that.
--
Bruce Momjian | http://candle.pha.pa.us
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