Don Y <pgsql(at)DakotaCom(dot)Net> writes:
> Is there any way to prevent them from *adding* these functions
> (i.e. build them into template) so they have to use them the
> way *I* have already defined them?
Only if you think you can deny your users superuser privileges on
their own databases. Good luck selling that one (I sure wouldn't
buy any code that tried to enforce such a thing)
regards, tom lane