题解 | #某店铺的各商品毛利率及店铺整体毛利率#

WITH t AS(
SELECT 
shop_id,d.product_id,in_price,cnt,price
FROM tb_order_overall o JOIN tb_order_detail d ON o.order_id=d.order_id
JOIN tb_product_info i ON d.product_id=i.product_id
WHERE DATE(event_time)>='2021-10-01' AND status = 1
AND shop_id = 901
)

(SELECT '店铺汇总' produt_id,
CONCAT(ROUND(100*(1-SUM(cnt*in_price)/SUM(cnt*price)),1),'%') profit_rate
FROM t
GROUP BY shop_id) 
UNION
(SELECT product_id,
CONCAT(ROUND(100*(1-AVG(in_price)*SUM(cnt)/SUM(cnt*price)),1),'%') profit_rate
FROM t
GROUP BY product_id
HAVING LEFT(profit_rate,3)>24.9
ORDER BY product_id )