查詢幾個表資料，根據存在情況，插入到另一個表中
阿新 • • 發佈：2018-12-21
INSERT INTO now_pay_cust_stat (
customer_id,
n_p_custid,
sum_offer_order,
sum_offer_pay,
sum_product_order,
sum_product_pay
) SELECT
a.custid,
a.id,
sum(b.order_money),
sum(b.real_money),
sum(c.total_price),
sum(c.real_price)
FROM
now_pay_cust a
LEFT JOIN now_pay_orders b ON a.id = b.n_p_custid
AND a.custid = b.custid
AND b.isvalid = TRUE
LEFT JOIN now_pay_product_orders c ON a.id = c.np_customer_id
AND a.custid = c.customer_id
AND c.isvalid = TRUE
WHERE
a.isvalid = TRUE
AND NOT EXISTS (
SELECT
id
FROM
now_pay_cust_stat
WHERE
n_p_custid = a.id
AND customer_id = a.custid
)
GROUP BY
a.id