"F. BROUARD / SQLpro" wrote: > in every database there is a file nammed pg_filenode.map wich I > suppose give the map of the real filenode while some command make > a divergence betwen the actuel object oid and the "new" filenode... > Am I wright ? If you want to understand internals like this, the best thing to do is probably to read the source code. http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/cache/relmapper.c;h=6f214957bf831c4a5c17ebc630f5151adc860135;hb=HEAD -Kevin -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin