<?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.railway.system.mapper.SysRoleMenuMapper">

  <resultMap type="SysRoleMenu" id="SysRoleMenuResult">
    <result property="roleId" column="role_id"/>
    <result property="menuId" column="menu_id"/>
  </resultMap>

  <select id="checkMenuExistRole" resultType="Integer">
    select count(1) from sys_role_menu where menu_id = #{menuId}
  </select>

  <delete id="deleteRoleMenuByRoleId" parameterType="Long">
    delete from sys_role_menu where role_id=#{roleId}
  </delete>

  <delete id="deleteRoleMenu" parameterType="Long">
    delete from sys_role_menu where role_id in
    <foreach collection="array" item="roleId" open="(" separator="," close=")">
      #{roleId}
    </foreach>
  </delete>

  <insert id="batchRoleMenu">
    insert into sys_role_menu(role_id, menu_id) values
    <foreach item="item" index="index" collection="list" separator=",">
      (#{item.roleId},#{item.menuId})
    </foreach>
  </insert>

</mapper> 