CREATE TABLE IF NOT EXISTS t_order_item (order_item_id BIGINT AUTO_INCREMENT, order_id BIGINT, user_id INT NOT NULL, `order_code` varchar(50) NOT NULL, `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (order_item_id)); TRUNCATE TABLE t_order_item; DROP TABLE IF EXISTS t_order_item; INSERT INTO t_order_item ( order_id, user_id ) VALUES ( #{orderId,jdbcType=INTEGER}, #{userId,jdbcType=INTEGER} ) DELETE FROM t_order_item WHERE order_id = #{orderId,jdbcType=INTEGER} SELECT i.* FROM t_order o, t_order_item i WHERE o.order_id = i.order_id