wikibot
| Function | dbo.ufnGetProductDealerPrice |
| Description | Scalar function returning the dealer price for a given product on a particular order date. |
Source
CREATE FUNCTION [dbo].[ufnGetProductDealerPrice](@ProductID [int], @OrderDate [datetime])
RETURNS [money]
AS
-- Returns the dealer price for the product on a specific date.
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;
References