sharding-jdbc-test/src/main/resources/META-INF/mappers/OrderItemMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.huojutech.sharding.repository.OrderItemRepository">
    <resultMap id="baseResultMap" type="com.huojutech.sharding.entity.OrderItem">
        <result column="order_item_id" property="orderItemId" jdbcType="INTEGER" />
        <result column="order_id" property="orderId" jdbcType="INTEGER" />
        <result column="user_id" property="userId" jdbcType="INTEGER" />
    </resultMap>
    
    <update id="createIfNotExistsTable">
        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));
    </update>
    
    <update id="truncateTable">
        TRUNCATE TABLE t_order_item;
    </update>
    
    <update id="dropTable">
        DROP TABLE IF EXISTS t_order_item;
    </update>
    
    <insert id="insert" useGeneratedKeys="true" keyProperty="orderItemId">
        INSERT INTO t_order_item (
          order_id, user_id
        )
        VALUES (
        #{orderId,jdbcType=INTEGER},
        #{userId,jdbcType=INTEGER}
        )
    </insert>
    
    <delete id="delete">
        DELETE FROM t_order_item WHERE order_id = #{orderId,jdbcType=INTEGER}
    </delete>
    
    <select id="selectAll" resultMap="baseResultMap">
        SELECT
        i.*
        FROM
        t_order o, t_order_item i
        WHERE
        o.order_id = i.order_id
    </select>
</mapper>