日期:2014-05-17  浏览次数:20887 次

求execute immediate用法
plsql存储过程中execute immediate为什么这样用不行呢,求解
SQL code

execute immediate 'select count(*) from partranslog where merch_id=' || mcht || ' and sett_postdate>=' || to_char(startdate) || ' and sett_postdate<=' || to_char

(enddate) || strsql into recordcount using mcht,startdate,enddate;


如果不加后边部分就可以:|| strsql into recordcount using mcht,startdate,enddate

存储过程如下:
SQL code

create or replace procedure trans
(
mcht in varchar,
sett in varchar,
startcardno in varchar,
endcardno in varchar,
tx_code in varchar,
banlace in varchar,
startdate in varchar,
enddate in varchar,
traceno in varchar,
batchno in varchar,
termid in varchar,
document in varchar,
cardhold in varchar,
lxname in varchar,
telphone in varchar,
gkdate in varchar,
pagesize in number,
currpage in number,
recordcount out number
)
as
strsql varchar(1000);
v_con number(8);
begin
  recordcount:=88888;
  strsql:=' where merch_id=mcht and sett_postdate>=to_char(startdate) and sett_postdate<=to_char(enddate)';
  if length(startcardno)>0 and length(endcardno)>0 then
    strsql:=' and cardno>=startcartno and cardno<=endcardno';
  end if;
  execute immediate 'select count(*) from partranslog where merch_id=' || mcht || ' and sett_postdate>=' || to_char(startdate) || ' and sett_postdate<=' || to_char

(enddate) || strsql into recordcount using mcht,startdate,enddate;
  update proce set name=recordcount;
end trans;
/



------解决方案--------------------
探讨
plsql存储过程中execute immediate为什么这样用不行呢,求解

SQL code

execute immediate 'select count(*) from partranslog where merch_id=' || mcht || ' and sett_postdate>=' || to_char(startdate) || ' and sett_postda……

------解决方案--------------------
SQL code
create or replace procedure trans(mcht        in varchar,
                                  sett        in varchar,
                                  startcardno in varchar,
                                  endcardno   in varchar,
                                  tx_code     in varchar,
                                  banlace     in varchar,
                                  startdate   in varchar,
                                  enddate     in varchar,
                                  traceno     in varchar,
                                  batchno     in varchar,
                                  termid      in varchar,
                                  document    in varchar,
                                  cardhold    in varchar,
                                  lxname      in varchar,
                                  telphone    in varchar,
                                  gkdate      in varchar,
                                  pagesize    in number,
                                  currpage    in number,
                                  recordcount out number) as
  strsql varchar(1000);
  v_con  number(8);
begin
  recordcount := 88888; 
  strsql      := ' where merch_id=mcht and sett_postdate>=to_char(startdate) and sett_postdate<=to_char(enddate)';   --startdate,enddate是变量来的,你不能直接这样写进去
  if length(startcardno) > 0 and length(endcardno) > 0 then
    strsql := ' and cardno>=startcartno and cardno<=endcardno';
  end if;
  execute immediate 'select count(*) from partranslog where merch_id=' || mcht ||
                    ' and sett_postdate>=' || to_char(startdate) ||
                    ' and sett_postdate<=' || to_char
                    
                    (enddate) || strsql   --前面那段已经是 where条件还不,后面还把strsql拼上去,这肯定有问题了,
    into recordc