<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itbaizhan.trave.mapper.PermissionMapper">

    <select id="findPermissionIdRole" parameterType="int" resultType="int">
        select pid from role_permission where rid = #{rid}
    </select>
</mapper>