Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> writes:
> There have been noises of adding a new catalog for keeping comments for
> shared objects (which would itself be shared, of course). I'm not sure
> what the rationale is for not putting them in the pg_shadow catalog.
The fact that it wouldn't scale conveniently to handle the other N types
of shared objects...
regards, tom lane