<?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="pwc.taxtech.atms.dao.AreaMapper">

  <select id="selectTopAreas" resultMap="BaseResultMap">

    select distinct
    <include refid="Base_Column_List" />
    from area
    where parent_id is null
  </select>

</mapper>