<?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.ruoyi.project.system.user.dao.IUserPostDao">

	<resultMap type="UserPost" id="UserPostResult">
		<result property="userId"     column="user_id"      />
		<result property="postId"     column="post_id"      />
	</resultMap>

	<delete id="deleteUserPostByUserId">
		delete from sys_user_post where user_id=#{userId}
	</delete>
	
	<insert id="batchUserPost">
		insert into sys_user_post(user_id, post_id) values
		<foreach item="item" index="index" collection="list" separator=",">
			(#{item.userId},#{item.postId})
		</foreach>
	</insert>
	
</mapper> 