Re: WORM and Read Only Tables (v0.1)

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