alter table pay_merchant
    add daily_pay_limit bigint default 0 not null after method;

alter table pay_merchant
    add risk int default 0 not null after daily_pay_limit;

alter table pay_merchant
    add disabled_when_limited int default 0 not null after daily_pay_limit;

alter table pay_option
    add pay_interval int default 0 not null after pay_config_id;