select coupon_id, type, discount_percent, area_id, user_id, discount_amount, create_time, expiration_time, status from et_coupon insert into et_coupon type, discount_percent, area_id, user_id, discount_amount, create_time, expiration_time, status, #{type}, #{discountPercent}, #{areaId}, #{userId}, #{discountAmount}, #{createTime}, #{expirationTime}, #{status}, update et_coupon type = #{type}, discount_percent = #{discountPercent}, area_id = #{areaId}, user_id = #{userId}, discount_amount = #{discountAmount}, create_time = #{createTime}, expiration_time = #{expirationTime}, status = #{status}, where coupon_id = #{couponId} delete from et_coupon where coupon_id = #{couponId} delete from et_coupon where coupon_id in #{couponId}