Good day all!!!
I have just started learning about CLR Stored Procedures and I wanted to know how to convert my existing stored procedures to CLR Stored Procedures. Could you show me, with code, what this stored procedure should look like. I'm using VS 2010, VB.Net, MSSQL
Server 2008.
ALTER PROCEDURE [dbo].[user_login]
-- Add the parameters for the stored procedure here
@User_UserName VARCHAR(50),
@User_Password VARCHAR(50),
@Station VARCHAR(50),
@Users_RowID INT OUTPUT,
@Users_Name VARCHAR(100) OUTPUT,
@Success BIT OUTPUT,
@Default_Message VARCHAR(200) OUTPUT
AS
BEGIN TRANSACTION
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT OFF;
DECLARE @rowsaffected INT
DECLARE @User_Status_RowID INT
DECLARE @User_Cursor CURSOR
-- Insert statements for procedure here
SET @Success = 0
SET @Users_RowID = 0
SET @Users_Name = ''
SET @User_Status_RowID = 0
IF EXISTS (SELECT * FROM [dbo].[user] WHERE User_UserName = @User_UserName AND CONVERT(varbinary, User_Password) = CONVERT(varbinary, @User_Password))
BEGIN
SELECT @Users_RowID = User_RowID, @User_Status_RowID = User_Status_RowID
FROM dbo.[user]
WHERE User_UserName = @User_UserName AND User_Password = @User_Password
SELECT @Users_Name = (User_SName + ', ' + User_FName + '. ' + Title_Descr)
FROM dbo.[user]
INNER JOIN dbo.title ON (dbo.[user].Title_RowID = dbo.title.Title_RowID)
WHERE User_UserName = @User_UserName AND User_Password = @User_Password
IF ((LOWER(@User_UserName) <> 'administrator') AND (@User_Status_RowID = 1))
BEGIN
SET @Default_Message = 'User ''' + @Users_Name + ''' is already logged in.'
SET @Success = 0
RETURN
END
ELSE
BEGIN
EXEC [dbo].[user_status_update] @User_UserName, @Station, 1, @rowsaffected OUTPUT
IF ((@rowsaffected = 2) AND (@@ERROR = 0))
BEGIN
SET @Default_Message = 'You have been logged in successfully'
SET @Success = 1
END
ELSE
BEGIN
ROLLBACK TRANSACTION
SET @Default_Message = 'An error occured while attempting to log you in. Please try again'
SET @Success = 0
RETURN
END
END
END
ELSE
BEGIN
ROLLBACK TRANSACTION
SET @Default_Message = 'Invalid username and/or password. Try again'
SET @Success = 0
RETURN
END
SET NOCOUNT ON;
COMMIT TRANSACTION