-- P5-3794 Add EDI invoice type to contract_customers

ALTER TABLE contract_customers DROP CONSTRAINT contract_customers_send_invoice_check;

ALTER TABLE contract_customers ADD CONSTRAINT contract_customers_send_invoice_check
    CHECK (send_invoice::text = ANY (ARRAY['snail mail'::character varying::text,
    'email'::character varying::text, 'edi'::character varying::text])
);