AdventureWorks

Basic Index   Expanded Index

Function:dbo.ufnGetProductDealerPrice
Output Type:money

Input ParameterType
@ProductIDint
@OrderDatedatetime


CREATE FUNCTION [dbo].[ufnGetProductDealerPrice](@ProductID [int], @OrderDate [datetime])
RETURNS [money]
AS
BEGIN
DECLARE @DealerPrice money;
DECLARE @DealerDiscount money;
SET @DealerDiscount = 0.60 -- 60% of list price
SELECT @DealerPrice = plph.[ListPrice] * @DealerDiscount
FROM [Production].[Product] p
INNER JOIN [Production].[ProductListPriceHistory] plph
ON p.[ProductID] = plph.[ProductID]
AND p.[ProductID] = @ProductID
AND @OrderDate BETWEEN plph.[StartDate] AND COALESCE(plph.[EndDate], CONVERT(datetime, '99991231', 112)); -- Make sure we
get all the prices!
RETURN @DealerPrice;
END;