小编use*_*er1的帖子

在这种情况下,我们需要for update nowait在游标中使用.

 CREATE PROCEDURE Pname(in_Tid IN VARCHAR2,in_IP IN VARCHAR2,outstaticip OUT VARCHAR2,outcount OUT NUMBER)
 AS
 BEGIN
 select STATIC_IP into outstaticip from OP_TTER_MAPPING where TERMINAL_ID = in_Tid;
 if in_IP = outstaticip then
 return 1;
 else
 select COUNT(*) into outcount from OP_TTER_MAPPING where DYNAMIC_IP_LOW <= in_IP AND   DYNAMIC_IP_HIGH >= in_IP AND TERMINAL_ID = in_Tid;
 if outcount = 1 then
 return 1;
 else
 return 0;
  end if;
 end if;
 END;

1. 是否可以像上面那样在存储过程中使用return？
2. 如果我们可以使用return,我怎样才能在Executesql("begin Pname(----)END")方法中获得返回值

编辑

现在我在这样的存储过程中编辑了我的返回值,我做得对吗？

CREATE PROCEDURE P_ValidateTIDIP(in_Tid IN VARCHAR2,in_IP IN VARCHAR2,outstaticip OUT VARCHAR2,outcount …

下面的代码可能会返回多行.会sql%rowcount返回获取的行数吗？

select * from emp where empname = 'Justin' and dept='IT'
if sql%rowcount>0
    ...

这是我的样本过程; 我用的sql%rowcount是正确的吗？

CREATE PROCEDURE Procn(in_Hid IN VARCHAR2,outInststatus OUT VARCHAR2,outSockid IN NUMBER,outport OUT VARCHAR2,outIP OUT VARCHAR2,outretvalue OUT NUMBER)
AS
BEGIN
select INST_STATUS into outInststatus from TINST_child where INST_ID = in_Hid and INST_STATUS = 'Y';
if outInststatus = 'Y' then 
     select PORT_NUMBER,STATIC_IP into outport,outIP from TINST where INST_ID = in_Hid and IP_PORT_STATUS = 'Y';
    if sql%rowcount >= 1 then
       select SOCK_ID into outSockid from …

我正在用C++发送一封简单的电子邮件.我从下面的链接下载了一个示例C++程序.http://cboard.cprogramming.com/cplusplus-programming/125655-sending-simple-email-cplusplus.html 示例程序在编译时似乎遇到以下错误.请帮我解决问题.

Error   8   error LNK2019: unresolved external symbol _send_mail referenced in function _wmain  

Error   9   error LNK2019: unresolved external symbol __imp__recv@16 referenced in function "int __cdecl connect_to_server(char const *)" (?connect_to_server@@YAHPBD@Z)    

Error   10  error LNK2019: unresolved external symbol __imp__connect@12 referenced in function "int __cdecl connect_to_server(char const *)" (?connect_to_server@@YAHPBD@Z) 

Error   11  error LNK2019: unresolved external symbol __imp__htons@4 referenced in function "int __cdecl connect_to_server(char const *)" (?connect_to_server@@YAHPBD@Z)    

Error   12  error LNK2019: unresolved external symbol __imp__socket@12 referenced in function "int __cdecl connect_to_server(char …

如果我在存储过程中使用FOR UPDATE子句应该何时"提交"？关闭打开的光标后或关闭打开的光标之前？以下是我正在使用的程序,我是以正确的方式做的吗？

CREATE OR REPLACE PROCEDURE Proc_UpdateCSClientCount(inMerid     IN  VARCHAR2,
                                                     outCliCount  OUT NUMBER,
                                                     outretvalue  OUT NUMBER)
AS
   CURSOR c1 IS
      SELECT CLIENT_COUNT
        FROM OP_TMER_CONF_PARENT
       WHERE MER_ID = inMerid
      FOR UPDATE OF CLIENT_COUNT;
BEGIN
   OPEN c1;
   IF SQL%ROWCOUNT = 1 THEN
      FETCH c1 INTO outCliCount;
      outCliCount := outCliCount + 1;
      UPDATE OP_TMER_CONF_PARENT
         SET CLIENT_COUNT = outCliCount
       WHERE CURRENT OF c1;
   END IF;
   outretvalue := 0;
   CLOSE c1;
   COMMIT;
EXCEPTION
   WHEN no_data_found THEN
      outretvalue := -1;
END;