alter table customers add price_fraction_method_code smallint(6) comment '金額端数処理' after fraction_method_code;
alter table customers add unit_price_fraction_method_code smallint(6) comment '単価端数処理' after fraction_method_code;
update customers set price_fraction_method_code=3;
update customers set unit_price_fraction_method_code=3;

alter table suppliers add price_fraction_method_code smallint(6) comment '金額端数処理' after fraction_method_code;
alter table suppliers add unit_price_fraction_method_code smallint(6) comment '単価端数処理' after fraction_method_code;
update suppliers set price_fraction_method_code=3;
update suppliers set unit_price_fraction_method_code=3;
