Oracle中table数据数据类型

function F_ReturnDescription(varID in varchar2) return varchar2 is
  
    numDataCount number(12);
    mytable      ly_familyproperty%rowtype;
  begin
  
    select count(1)
      into numDataCount
      from ly_familyproperty t
     where t.id = varID;
    if numDataCount = 0 then
      return \'\';
    end if;
    select * into mytable from ly_familyproperty where id = varID;
    /*
    1：公积金；2：社保；3：企业所得税缴纳情况；4：工商登记情况；5：个人所得税缴纳情况；
    6：非居住类房屋情况；7：机动车辆登记情况；8：其他财产
    */
    if mytable.propertype = \'1\' then
      return \'月缴存额：\' || mytable.MONEY || \'元\';
    elsif mytable.propertype = \'2\' then
      return \'月缴存额：\' || mytable.MONEY || \'元\';
    elsif mytable.propertype = \'3\' then
      return \'月缴纳基数：\' || mytable.MONEY || \'元\';
    elsif mytable.propertype = \'4\' then
      return \'工商主体名称：\' || mytable.BUSINESS_TITLE || \';\' || \'登记时间：\' || to_char(mytable.CHECK_TIME,
                                                                              \'yyyy-mm-dd\') || \';\' || \'出资额：\' || mytable.MONEY || \'万元\';
    elsif mytable.propertype = \'5\' then
      return \'月缴纳基数：\' || mytable.MONEY || \'元\';
    elsif mytable.propertype = \'6\' then
      return \'房屋地址:\' || mytable.ADDRESS || \'；建筑面积：\' || mytable.BUILDAREA || \'；发证时间：\' || to_char(mytable.CHECK_TIME,
                                                                                                \'yyyy-mm-dd\') || \'；产权证号：\' || mytable.PRONUM;
    elsif mytable.propertype = \'7\' then
      return \'品牌：\' || mytable.brand || \'；排量：\' || mytable.EXHAUST_VOLUME || \'；车辆使用性质：\' || mytable.USE_NATURE || \'；登记时间：\' || to_char(mytable.CHECK_TIME,
                                                                                                                                   \'yyyy-mm-dd\');
    elsif mytable.propertype = \'8\' then
      return mytable.business_title;
    else
      return \'\';
    end if;
  
  end F_ReturnDescription;