if exists (select * from sysobjects where id = object_id(N'[nf_ChangeObjectOwner]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure nf_ChangeObjectOwner
GO

Create PROCEDURE nf_ChangeObjectOwner
@current_Owner nvarchar(255),
@target_Owner nvarchar(255),
@modify_Type int
/***********************************************************************************************

nf_ChangeObjectOwner

实现功能： 将Sql Server对象的当前拥有者更改成目标拥有者
**** 使用本代码前请备份数据库！
**** 所带来的安全问题，与俺家的驴子无关！
**** 欢迎斧头劈我，劈死偶有奖！
调用方法： Exec nf_ChangeObjectOwner @current_Owner,@target_Owner,@modify_Type

输入参数： @current_Owner nvarchar(255) --对象的当前拥有者
@target_Owner nvarchar(255) --对象的目标拥有者
@modify_Type int --0为默认，更改表的拥有者；1为视图和存储过程
输出参数： RETURN值 = -1 --操作对象为0，操作对象不存在
= -2 --操作失败，可能对象被锁定
= 0(默认值) --操作成功，打印更改对象数目@object_Num
@object_Num --SQL 打印值，返回更改成功的对象数目

@Write by Net Fetch. @At 2005/09/12
@Email: cnNetFetch*Gmail.Com blog.ad0.cn

************************************************************************************************/
AS
DECLARE @str_Tbl_Name nvarchar(255),@object_Num int,@current_Owner_uid smallint
Set @object_Num = 0
DECLARE @return_status int
Set @return_status = -1
Set @current_Owner_uid = (Select uid From sysusers Where [Name] = @current_Owner)
If Not (Len(@current_Owner_uid)>0)
RETURN -1
If (@modify_Type = 1)
DECLARE ChangeObjectOwner_Cursor CURSOR FOR Select [Name] From sysobjects Where (type='U' or type='V' or type='P') and userstat=0 and [Name]<>'nf_ChangeObjectOwner' and status>-1 and uid = @current_Owner_uid
Else
DECLARE ChangeObjectOwner_Cursor CURSOR FOR Select [Name] From sysobjects Where (type='U' or type='V' or type='P') and userstat<>0 and [Name]<>'dtproperties' and uid = @current_Owner_uid
OPEN ChangeObjectOwner_Cursor
BEGIN TRANSACTION Change_ObjectOwner
FETCH NEXT FROM ChangeObjectOwner_Cursor INTO @str_Tbl_Name
WHILE (@@FETCH_STATUS = 0)
BEGIN
Set @str_Tbl_Name = @current_Owner + '.' + @str_Tbl_Name
Print @str_Tbl_Name
EXEC @return_status = sp_changeobjectowner @str_Tbl_Name, @target_Owner
IF (@return_status <> 0)
BEGIN
ROLLBACK TRANSACTION Change_ObjectOwner
RETURN -2
END
Set @object_Num = @object_Num + 1
FETCH NEXT FROM ChangeObjectOwner_Cursor INTO @str_Tbl_Name
END
Print @object_Num
COMMIT TRANSACTION Change_ObjectOwner
CLOSE ChangeObjectOwner_Cursor
DEALLOCATE ChangeObjectOwner_Cursor

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