example-core/example-spring-mybatis/src/main/resources/META-INF/mappers/mysql/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="org.apache.shardingsphere.example.core.mybatis.repository.MybatisOrderItemRepository">
    <resultMap id="baseResultMap" type="org.apache.shardingsphere.example.core.api.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"/>
        <result column="status" property="status" jdbcType="VARCHAR"/>
    </resultMap>
    
    <update id="createTableIfNotExists">
        CREATE TABLE IF NOT EXISTS t_order_item (order_item_id BIGINT AUTO_INCREMENT, order_id BIGINT, user_id INT NOT NULL, status VARCHAR(50) , 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, status) VALUES (#{orderId,jdbcType=INTEGER}, #{userId,jdbcType=INTEGER}, #{status,jdbcType=VARCHAR});
    </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>
    
    <select id="selectRange" resultMap="baseResultMap">
        SELECT i.* FROM t_order o, t_order_item i WHERE o.order_id = i.order_id AND o.user_id BETWEEN 1 AND 5
    </select>
</mapper>