ecshop 查詢訂單商品表:
select rec_id,goods_name,group_concat(goods_number order by goods_number desc) from ecs_order_goods group by goods_id;
得到結果:
這個主要是看group_concat 和 group by 的用法
ecshop 查詢 訂單商品表 直接返回 銷量總和:
select rec_id,goods_name,sum(goods_number) as numb from ecs_order_goods group by goods_id order by numb desc;
結果爲: