<?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.aucma.system.mapper.SysUserPostMapper">

	<resultMap type="SysUserPost" id="SysUserPostResult">
		<result property="userId"     column="user_id"      />
		<result property="postId"     column="post_id"      />
	</resultMap>

	<delete id="deleteUserPostByUserId" parameterType="Long">
		delete from sys_user_post where user_id=#{userId}
	</delete>

	<select id="countUserPostById" resultType="Integer">
		select count(1) from sys_user_post where post_id=#{postId}
	</select>

	<delete id="deleteUserPost" parameterType="Long">
		delete from sys_user_post where user_id in
		<foreach collection="array" item="userId" open="(" separator="," close=")">
			#{userId}
		</foreach>
	</delete>

	<insert id="batchUserPost" useGeneratedKeys="false">
		insert all
		<foreach item="item" index="index" collection="list">
			into sys_user_post(user_id, post_id) values (#{item.userId},#{item.postId})
		</foreach>
		SELECT 1 FROM DUAL
	</insert>

</mapper> 