<?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.goldenwater.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">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>
