declare  v_guid char(32); channelidStrs  varchar2(4000):=‘‘;begin    v_guid:=sys_guid();    --delete temp_stocktransdetail;    for c in (select channelid from channel where rownum<9) loop      channelidStrs :=channelidStrs||‘,‘|| c.channelid;    end loop;     DBMS_OUTPUT.PUT_LINE(channelidStrs);    DBMS_OUTPUT.PUT_LINE(v_guid);    pro_getcalcdaystock(v_guid,‘332359248d04da0c7e997f82d0e369ca‘,‘‘,‘2014-08-30‘);    commit;end;