alter table master_app_production.products add stock_days int(11) after safe_factor;
alter table master_app_production.product_sets add stock_days int(11) after safe_factor;
alter table master_app_production.wholesale_prices add stock_days int(11) after safe_factor;

update master_app_production.product_sets set stock_days=30;
update master_app_production.products set stock_days=0;
update master_app_production.wholesale_prices set stock_days=1;

