WITH ranked_roles AS ( SELECT DISTINCT ON (code) id FROM role WHERE role_type = 1 AND code BETWEEN 0 AND 5 ORDER BY code, id ) UPDATE role SET company_settings_id = NULL FROM ranked_roles WHERE role.id = ranked_roles.id; ANY UPDATE own_user ou SET role_code = (SELECT r.code FROM role r WHERE r.id = ou.role_id), role_type = (SELECT r.role_type FROM role r WHERE r.id = ou.role_id) WHERE ou.role_id IS NOT NULL update own_user ou set role_id=( select MIN(r.id) from role r where r.code=ou.role_code and r.role_type=ou.role_type and r.company_settings_id is null ) where ou.role_type !=0 and ou.role_code !=6 delete from role r where r.company_settings_id is not null and r.role_type=1 and r.code!=6