<select id="findEmployeesByLocation" resultType="Employee">
  SELECT * FROM Employee WHERE status = 'ACTIVE'
  <choose>
    <when test="locationType == 'local'">
      AND local_loc_code = #{loc_code}
    </when>
    <when test="locationType == 'remote'">
      AND local_loc_code = #{loc_code}
    </when>
    <otherwise>
      AND loc_code = #{loc_code}
    </otherwise>
  </choose>
</select>