set role to postgres; 
drop view if exists test_view.view_v;
drop schema if exists test_view;
drop function if exists test_func.func();
drop schema if exists test_func;

create schema test_view;
create schema test_func;

create or replace function test_func.func() returns integer
as 'select 1 from pg_sleep(2);' language sql;
revoke all on function test_func.func() from public;

create view test_view.view_v as select * from test_func.func();
revoke all on table test_view.view_v from public;

grant usage on schema test_view to srv_dc; 
grant select on test_view.view_v to srv_dc; 

-- 1)
set role to srv_dc; 
select * from test_view.view_v
-- ERROR:  permission denied for function func

-- 2)
reset role;
grant execute on function test_func.func() to srv_dc; 
set role to srv_dc; 
select * from test_view.view_v;
-- ok

--3)
set role to srv_dc; 
select * from test_func.func();
-- ERROR:  permission denied for schema test_func