wikibot
Function | dbo.ufnGetStock |
Description | Scalar function returning the quantity of inventory in LocationID 6 (Miscellaneous Storage)for a specified ProductID. |
Source
CREATE FUNCTION [dbo].[ufnGetStock](@ProductID [int])
RETURNS [int]
AS
-- Returns the stock level for the product. This function is used internally only
BEGIN
DECLARE @ret int;
SELECT @ret = SUM(p.[Quantity])
FROM [Production].[ProductInventory] p
WHERE p.[ProductID] = @ProductID
AND p.[LocationID] = '6'; -- Only look at inventory in the misc storage
IF (@ret IS NULL)
SET @ret = 0
RETURN @ret
END;
References