日期:2014-05-17  浏览次数:20766 次

关于动态获取游标的内容,有一些疑问呀

如下,有一个动态的游标语句,其中动态的sql字符串里面的字段是拼接而成,所以不知道具体有几个字段,那么我在获取这个游标之后,怎么动态获取这一行内容的各个字段的内容呢(我是想保存在一个数组里),是不是fetch那一行也写成sql,然后execute immediate sql呀?

SQL code

as
cur           sys_refcursor;
.....
begin
.....

for i in 1..n_NumKeys loop 
          if i = n_NumKeys then 
             v_SqlTemp := v_SqlTemp||KeyName_Array(i);
          else
             v_SqlTemp := v_SqlTemp||KeyName_Array(i)||',';
          end if;
      end loop;
    
    v_sql         := 'select '||v_SqlTemp||' from ' ||b_tablename;
    open cur for v_sql;
    fetch cur into ...--?这里不知道怎么接收
      


------解决方案--------------------
SQL code
    
仅供参考
---定义游标部分
cursor c_typeupg is
    SELECT a.AD_CLIENT_ID, a.AD_ORG_ID, a.OWNERID, a.MODIFIERID, b.c_vip_id,
      a.docno, a.billdate,b.c_viptype_id, b.c_viptype_destid,
      nvl(b.minusintegral, 0) minusintegral
    FROM c_vip_upgrade a, C_vip_upgradeItem b
    where a.id = b.c_vip_upgrade_id and a.id = p_SubmittedSheetID;
  r1 c_typeupg%ROWTYPE;

--试用游标部分   
OPEN c_typeupg;
  LOOP
    FETCH c_typeupg
      into r1;
    exit when c_typeupg%notfound;
 
    IF r1.c_viptype_destid IS NULL THEN
      raise_application_error(-20201, '请输入所升级的VIP类型!');
    END IF;

    IF nvl(r1.minusintegral, 0) <> 0 THEN
      --更新VIP积分流水帐
      INSERT INTO FA_VIPINTEGRAL_FTP
        (ID, AD_CLIENT_ID, AD_ORG_ID, OWNERID, MODIFIERID, CREATIONDATE,
        MODIFIEDDATE, ISACTIVE, C_VIP_ID, DOCNO, CHANGDATE,/* INTEGRAL,*/INTEGRAL_UP,
        DESCRIPTION,C_FORVIPTYPE_ID,C_BACKVIPTYPE_ID)
      VALUES
        (GET_SEQUENCES('FA_VIPINTEGRAL_FTP'), r.AD_CLIENT_ID,
        r.AD_ORG_ID, r.OWNERID, r.MODIFIERID, SYSDATE, SYSDATE, 'Y',
        r.c_vip_id, r.docno, r.billdate, -r.minusintegral,
        '由VIP升级:' || r.docno || '提交生成',r.c_viptype_id,r.c_viptype_destid);
    END IF;
 
    update c_client_vip t
    set t.integral_up = t.integral_up - nvl(r.minusintegral, 0),
      /*t.integral = t.integral - nvl(r.minusintegral, 0),*/
      t.c_viptype_id = r.c_viptype_destid
    where t.id = r.c_vip_id;
  end loop;
  close c_typeupg;