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

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

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