mybatis 결과 컬럼명 소수로 바꿔찍기

<?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="connector.project.mapper.LoginMapper">
 <cache />
 
 <select id="getIdAndPermission" parameterType="hashmap" resultType="org.apache.commons.collections.map.CaseInsensitiveMap" >
  <![CDATA[
  SELECT a.id as employee_id,b.permission_cd as permission
        FROM employee a,executive b
        WHERE 1=1 AND
        a.employee_no = b.employee_no AND
        a.id = #{id} and
        a.password = #{pw}
        ]]>
 </select>
</mapper>