【发布时间】:2021-08-26 06:03:21
【问题描述】:
选择 CONCAT(first_name,last_name) 作为 broker_name,coupon_name, (select count(user_details.id) from user_details join user on user.id=user_details.user_id and user.role_id=3 where refer_coupon_id=coupons.id) 作为tenat_referrals, (select count(user_details.id) from user_details join user on user.id=user_details.user_id and user.role_id=2 where refer_coupon_id=coupons.id) as landloard_referrals 来自用户 LEFT JOIN 优惠券上的 coupons.user_id=user.id where role_id=4
【问题讨论】:
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问题是什么?