select a.*, b.name styleName, c.goods_name goodsName from mall_goods_sku a inner join mall_goods_style b on a.style_id=b.ID inner join mall_goods c on a.goods_id= c.ID where a.id=#{id} delete from mall_goods_sku where goods_id = #{id} select a.*,b.name styleName from mall_goods_sku a left join mall_goods_style b on a.style_id=b.ID where a.goods_id = #{id}