ALTER PROCEDURE [dbo].[spMutanrH]
	-- Add the parameters for the stored procedure here
	(
	@ScanNummer NVARCHAR(13),
	@Basis tinyint,
	@CurrentTal INT OUT,
	@CurrentTalH INT OUT
)

AS
BEGIN
	-- SET NOCOUNT ON added to prevent extra result sets from
	-- interfering with SELECT statements.
	SET NOCOUNT ON;
DECLARE	@Return TABLE
	(
		Value INT NOT NULL, ValueH int not null
	);
-- Increment the Telling Tal in Telling 
MERGE	dbo.Telling AS tgt
USING	(
		SELECT TOP(1)	ProductID,
				1 AS Tal, 
				GETDATE() AS [Date],@Basis as Basis
 		FROM		dbo.Product
		WHERE		ScanNummer = @ScanNummer
	) AS src ON src.ProductID = tgt.ProductID
WHEN	MATCHED
	THEN	UPDATE
		SET	tgt.Tal += src.Tal ,tgt.Basis = @Basis
WHEN	NOT MATCHED BY TARGET
	THEN	INSERT	(
				ProductID,
				Tal, 
				[Date], Basis
			) values
			(
				src.ProductID,
				src.Tal,
				src.[Date], src.Basis
			)OUTPUT	inserted.Tal
INTO	@Return
	(
		ValueH
	);
-- Decrement the Telling Tal in TellingREET 
MERGE	dbo.TellingR AS tgt
USING	(
		SELECT TOP(1)	ProductID,
				1 AS Tal, 
				GETDATE() AS [Date],@Basis as Basis
 		FROM		dbo.Product
		WHERE		ScanNummer = @ScanNummer
	) AS src ON src.ProductID = tgt.ProductID
WHEN	MATCHED
	THEN	UPDATE
		SET	tgt.Tal -= src.Tal ,tgt.Basis = @Basis


OUTPUT	inserted.Tal
INTO	@Return
	(
		Value
	);

SELECT 

@CurrentTal = ISNULL(Value, CAST(@Scannummer AS INT)),
@CurrentTalH = ISNULL(Value, CAST(@Scannummer AS INT))

FROM	@Return;

END