select xu.n xn, xu.s xs from (select xu_test.goods_name n,sum(xu_test.goods_num) s from xu_test where YEAR(xu_test.create_date)=YEAR(NOW())-1 group by xu_test.goods_name) xu order by xu.s desc
在这些语句中,只要去掉后面的 order by xu.s desc 就可以正常运行。但是只要加上order by xu.s desc,就不能出现图表