"Madeleine Theile" <madeleine(dot)theile(at)cs(dot)uni-dortmund(dot)de> writes:
> After I've dropped one of the superusers that created and thus
> owns some of the views and reinstalled it again with a different usesysid
So reinstall it with the same usesysid --- that's why the option exists
to specify sysid in CREATE USER.
There is work in progress that will disallow dropping a user that still
owns any objects, but I am unsure if it will be done in time for 8.1.
regards, tom lane