SELECT max(pp.totalPrice) FROM ( SELECT sum(oi.product_price) totalPrice FROM `order.item` oi GROUP BY oi.id ) as pp
SELECT oi.id, oi. sum(oi.product_price) AS pp FROM `order.item` oi GROUP BY oi.id order by pp desc limit 1
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原文:http://blog.csdn.net/jspamd/article/details/47448561