CREATE OR REPLACE VIEW v_supplier_administrators AS
SELECT supplier.ID AS supplier_id,
       supplier.NAME AS supplier,
       supplier.shortcode AS shortcode,
       supp_admin.id AS supp_admin_id,
       supp_admin.username,
       supp_admin.first_name,
       supp_admin.last_name       
  FROM parties supplier,
       parties supp_admin, 
       party_roles supplier_role, 
       party_roles supp_admin_role, 
       party_relationships parel
 WHERE parel.from_parl_prty_id = supp_admin.id
   AND parel.from_parl_id = supp_admin_role.ID
   AND parel.to_parl_prty_id = supplier.ID
   AND parel.to_parl_id = supplier_role.ID
   AND supp_admin_role.prty_id = supp_admin.ID
   AND supp_admin_role.rt_code = 'SUPPADMIN'
   AND supplier_role.prty_id = supplier.ID
   AND supplier_role.rt_code = 'SUPP'
 ORDER BY 1;