= OLD.price OR (NEW.price IS NOT NULL AND OLD.price IS NULL))\n OR (NEW.currency_id= OLD.currency_price OR (NEW.currency_price IS NULL AND OLD.currency_price IS NULL)) THEN\n= OLD.price OR NEW.price IS NUL
几个月前,我以为我已经理解了该产品的元_price、_regular_price和_sale_price。我似乎还记得,在进行一些测试时,_price存储了“用户看到的价格”,如果它与_sale_price匹配,则会显示“出售”标签或百分比折扣,并使用_regular_price显示旧价格并计算百分比。// Set Everything to 5$$product->set_regular