我花了一些代码在这里:Check if role consists of particular user in DB?检查用户属于DB角色
SELECT *
FROM sys.database_role_members AS RM
JOIN sys.database_principals AS U
ON RM.member_principal_id = U.principal_id
JOIN sys.database_principals AS R
ON RM.role_principal_id = R.principal_id
WHERE U.name = 'operator1'
AND R.name = 'myrole1'
该查询返回1行。这意味着用户'operator1'属于角色'myrole1'。 现在我试图创建一个存储过程是:
CREATE PROCEDURE [dbo].[Proc1]
(
@userName varchar,
@roleName varchar
)
AS
IF EXISTS(SELECT *
FROM sys.database_role_members AS RM
JOIN sys.database_principals AS U
ON RM.member_principal_id = U.principal_id
JOIN sys.database_principals AS R
ON RM.role_principal_id = R.principal_id
WHERE U.name = @userName
AND R.name = @roleName)
RETURN 0
ELSE RETURN -1
我使用标准的命令从SQL Server 2008“执行存储过程”
DECLARE @return_value int
EXEC @return_value = [dbo].[Proc1]
@userName = N'operator1',
@roleName = N'myrole1'
SELECT 'Return Value' = @return_value
GO
它总是返回-1。 为什么 ???
感谢您的输入,Templar。 对不起,长时间的答案。我不知道我应该把你的答案标记为有用的和其他的东西...... – 2010-03-29 13:21:47