Tom Lane a écrit :
> Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
>> The trivial fix is to just force a checkpoint in ALTER TABLE SET
>> TABLESPACE. Can we do better than that? Perhaps only force a checkpoint
>> when we find that the file already exists.
>
> If ALTER TABLE SET TABLESPACE is assuming that it can always use the
> same relfilenode number in the new space as in the old, it's just plain
> broken. We need to fix that assumption.
>
Do you mean the backend should change the relfilenode number whenever we
use the ALTER TABLE SET TABLESPACE ? I can't think of a way to get twice
the same relfilenode.
Perhaps a better question would be : how the next relfilenode is computed?
--
Guillaume.http://www.postgresqlfr.orghttp://dalibo.com
