select coupon_id, type, discount_percent, area_id, user_id, discount_amount, create_time, validity_value, validity_unit, status, limit_num, `desc`, snack_price from et_coupon SELECT c.coupon_id, c.type, c.discount_percent, c.area_id, a.area_name areaName, c.user_id, u.user_name userName, c.discount_amount, c.create_time, c.validity_value, c.validity_unit, c.status, c.limit_num, c.desc, c.snack_price FROM et_coupon c left join et_operating_area a on a.area_id = c.area_id left join et_user u on u.user_id = c.user_id and c.type = #{type} and c.discount_percent = #{discountPercent} and c.area_id = #{areaId} and a.area_name like concat('%', #{areaName}, '%') and c.user_id = like concat('%', #{userId}, '%') and u.user_name = #{userName} and c.discount_amount = #{discountAmount} and c.status = #{status} and c.limit_num = #{limitNum} where coupon_id = #{couponId} insert into et_coupon type, discount_percent, area_id, user_id, discount_amount, create_time, validity_value, validity_unit, status, limit_num, desc, snack_price, #{type}, #{discountPercent}, #{areaId}, #{userId}, #{discountAmount}, #{createTime}, #{validityValue}, #{validityUnit}, #{status}, #{limitNum}, #{desc}, #{snackPrice}, update et_coupon type = #{type}, discount_percent = #{discountPercent}, area_id = #{areaId}, user_id = #{userId}, discount_amount = #{discountAmount}, create_time = #{createTime}, validity_value = #{validityValue}, validity_unit = #{validityUnit}, status = #{status}, limit_num = #{limitNum}, desc = #{desc}, snack_price = #{snackPrice}, where coupon_id = #{couponId} delete from et_coupon where coupon_id = #{couponId} delete from et_coupon where coupon_id in #{couponId}