Example:
create or replace function glb(code text)
returns integer language sql as $$
select coalesce( (select current_setting('glb.'||code,true)::integer), 0);
$$;
set glb.user_not_found to -1;
set glb.user_does_not_have_permission to -2;
select glb('user_not_found'), glb('user_does_not_have_permission');
StrategicERP from ITAakash Strategic Software (P) Ltd is a software platform for start-to-end process automation and information management systems customized for the Real Estate, Construction & Infrastructure industries. The product owes its cutting-edge to the core technology development team from IIT.
ITAakash Strategic Soft. (P) LTD, 5th floor, D S Business Galleria, Near Huma Adlabs, Beside Toyo House, L.B.S. Road, Kanjur Marg (W), Mumbai, 400078 INDIA.