ALTER TABLE hedera.tpvMerchantEnable
    DROP FOREIGN KEY tpvMerchantEnable_ibfk_1,
    DROP PRIMARY KEY,
    ADD CONSTRAINT tpvMerchantEnable_pk PRIMARY KEY (merchantFk),
    ADD CONSTRAINT tpvMerchantEnable_tpvMerchant_FK
        FOREIGN KEY (merchantFk)
        REFERENCES hedera.tpvMerchant(id)
        ON DELETE RESTRICT
        ON UPDATE CASCADE;