id, user_id, unit_id, pricing_id, product_id, product_name, suite_name, sales_form, customer_type, account_limit, concurrent_nodes, price_type, price_unit, unit_price, quantity, duration, total_price, provider_id, provider_name, remarks, add_time, update_time, deleted SELECT FROM cart WHERE deleted = 0 AND user_id = #{userId} AND unit_id = #{unitId} ORDER BY add_time DESC SELECT FROM cart WHERE deleted = 0 AND user_id = #{userId} AND unit_id = #{unitId} AND pricing_id = #{pricingId} LIMIT 1 SELECT COUNT(*) FROM cart WHERE deleted = 0 AND user_id = #{userId} AND unit_id = #{unitId} SELECT COALESCE(SUM(total_price), 0) FROM cart WHERE deleted = 0 AND user_id = #{userId} AND unit_id = #{unitId} delete from cart where id = #{id}