>>> Your provided script works for me with Firebird 2.1.2 CS. MY_USER is
>>> able to query both views.
>>>
> It doesn't work with Firebird 1.5 :-(((

FB1.5 is too old and no new post-releases is planned for this version
AFAIK, so I doubt that it will be fixed. Anyway, feel free to put this
test case into the tracker.

SY, SD.