<?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.tangguo.system.mapper.SysUserRoleMapper">
	
	<resultMap type="SysUserRole" id="SysUserRoleResult">
		<result property="userId" column="user_id"/>
		<result property="roleId" column="role_id"/>
	</resultMap>
	
	<delete id="deleteUserRoleByUserId" parameterType="Long">
		delete
		from sys_user_role
		where user_id = #{userId}
	</delete>
	
	<select id="countUserRoleByRoleId" resultType="Integer">
		select count(1)
		from sys_user_role
		where role_id = #{roleId}
	</select>
	
	<delete id="deleteUserRole" parameterType="Long">
		delete from sys_user_role where user_id in
		<foreach collection="array" item="userId" open="(" separator="," close=")">
			#{userId}
		</foreach>
	</delete>
	
	<insert id="batchUserRole">
		insert into sys_user_role(user_id, role_id) values
		<foreach item="item" index="index" collection="list" separator=",">
			(#{item.userId},#{item.roleId})
		</foreach>
	</insert>
	
	<delete id="deleteUserRoleInfo" parameterType="SysUserRole">
		delete
		from sys_user_role
		where user_id = #{userId}
		  and role_id = #{roleId}
	</delete>
	
	<delete id="deleteUserRoleInfos">
		delete from sys_user_role where role_id=#{roleId} and user_id in
		<foreach collection="userIds" item="userId" open="(" separator="," close=")">
			#{userId}
		</foreach>
	</delete>
</mapper>
