Tom Lane wrote:
> Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> > Excerpts from Bruce Momjian's message of jue may 06 11:19:27 -0400 2010:
> >> It seems copying over pg_statistic would require preservation of
> >> pg_class.oid. Right now we only preserve pg_class.relfilenode.
>
> > That could be fixed easily by creating a throwaway table which included the
> > qualified table name instead of the OID, and reloading it into pg_statistic
> > after the migration.
>
> Yeah. Casting to and from regclass would do the trick too.
I will add this idea to the pg_migrator TODO file. I didn't bother with
this in the 8.3 -> 8.4 migration because we changed the default number
of statistics collected in 8.4.
This would be a 9.1 item.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
