Andrew, > The requirement was, anyway, that we be able to read old versions of > "archived" rows. IIRC there was an implementation choice, whether we would > _never_ allow such rows to be SET READ WRITE or whether they'd be > immediately upgraded to the present format on SET READ WRITE.
Well, in theory we need this capability for upgrade-in-place too. While that project has kind of stalled for the moment, we'll pick it back up again soon. -- Josh Berkus PostgreSQL @ Sun San Francisco ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings