题解|百分比作为筛选条件 #各商品毛利率及店铺整体毛利率#

# ### 2021年10月以来，
# DATE_FORMAT(event_time,'%Y-%m') >= '2021-10'


(SELECT '店铺汇总' AS product_id,
       CONCAT(ROUND((1 - SUM(in_price*cnt)/SUM(price*cnt))*100,1),'%') AS profit_rate 
FROM tb_order_detail a
LEFT JOIN tb_order_overall b ON a.order_id = b.order_id
LEFT JOIN tb_product_info c ON a.product_id = c.product_id
WHERE DATE_FORMAT(event_time,'%Y-%m') >= '2021-10' AND shop_id = '901')
UNION
(SELECT product_id,profit_rate
FROM
(SELECT a.product_id AS product_id, 
       CONCAT(ROUND((1 - SUM(in_price*cnt)/SUM(price*cnt))*100,1),'%') AS profit_rate 
FROM tb_order_detail a
LEFT JOIN tb_order_overall b ON a.order_id = b.order_id
LEFT JOIN tb_product_info c ON a.product_id = c.product_id
WHERE DATE_FORMAT(event_time,'%Y-%m') >= '2021-10' AND shop_id = '901'
GROUP BY a.product_id
ORDER BY a.product_id )t1
HAVING replace(profit_rate,'%','') > 24.9)