>> I can't select from master_some - not to mention that I can't select
>> even from master_all, which is not dependent on any other view, just
>> tables (to which it seems to have the correct permissions).
>>
>
> Just to narrow field of possibilities - try to use JOIN+GROUP BY
> instead of subquery.
>

Unfortunately, in this specific case I _have_to_ use a subquery. I will
try a JOIN as a test case, though.

Pepa Kokes