问题现象：出库单单价及数量是正数,但金是负数 解决方案：update rdrecords set iprice=b.iaoutprice from rdrecords a join ia_subsidiary b on a.autoid=b.id where b.brdflag=0 and a.iprice<>b.iaoutprice and a.iquantity*a.iunitcost<>a.iprice