dbo.uspGetWhereUsedProductID Stored Procedure

Description

Stored procedure using a recursive query to return all components or assemblies that directly or indirectly use the specified ProductID.

Properties

Creation Date	27/10/2017 14:33
Encrypted
Ansi Nulls

Parameters

Parameter	Direction	Description	Data Type	Size
@StartProductID	In	Input parameter for the stored procedure uspGetWhereUsedProductID. Enter a valid ProductID from the Production.Product table.	Integer	4
@CheckDate	In	Input parameter for the stored procedure uspGetWhereUsedProductID used to eliminate components not used after that date. Enter a valid date.	DBTimeStamp	4
@RETURN_VALUE	Return Value		Integer	4

Objects that dbo.uspGetWhereUsedProductID depends on

Database Object	Object Type	Description	Dep Level
Production.BillOfMaterials	Table	Items required to make bicycles and bicycle subassemblies. It identifies the heirarchical relationship between a parent product and its components.	1
dbo.Flag	User Defined Data Type		2
Production.Product	Table	Products sold or used in the manfacturing of sold products.	1
Production.ProductCategory	Table	High-level product categorization.	3
Production.ProductModel	Table	Product model classification.	2
Production.ProductSubcategory	Table	Product subcategories. See ProductCategory table.	2
Production.UnitMeasure	Table	Unit of measure lookup table.	2

Procedure Source Code

CREATE PROCEDURE [dbo].[uspGetWhereUsedProductID]
    @StartProductID [int],
    @CheckDate [datetime]
AS

BEGIN
    SET NOCOUNT ON;

    --Use recursive query to generate a multi-level Bill of Material (i.e. all level 1 components of a level 0 assembly, all level 2 components of a level 1 assembly)
    WITH [BOM_cte]([ProductAssemblyID], [ComponentID], [ComponentDesc], [PerAssemblyQty], [StandardCost], [ListPrice], [BOMLevel], [RecursionLevel]) -- CTE name and columns
    AS (
        SELECT b.[ProductAssemblyID], b.[ComponentID], p.[Name], b.[PerAssemblyQty], p.[StandardCost], p.[ListPrice], b.[BOMLevel], 0 -- Get the initial list of components for the bike assembly
        FROM [Production].[BillOfMaterials] b
            INNER JOIN [Production].[Product] p 
            ON b.[ProductAssemblyID] = p.[ProductID] 
        WHERE b.[ComponentID] = @StartProductID 
            AND @CheckDate >= b.[StartDate] 
            AND @CheckDate <= ISNULL(b.[EndDate], @CheckDate)
        UNION ALL
        SELECT b.[ProductAssemblyID], b.[ComponentID], p.[Name], b.[PerAssemblyQty], p.[StandardCost], p.[ListPrice], b.[BOMLevel], [RecursionLevel] + 1 -- Join recursive member to anchor
        FROM [BOM_cte] cte
            INNER JOIN [Production].[BillOfMaterials] b 
            ON cte.[ProductAssemblyID] = b.[ComponentID]
            INNER JOIN [Production].[Product] p 
            ON b.[ProductAssemblyID] = p.[ProductID] 
        WHERE @CheckDate >= b.[StartDate] 
            AND @CheckDate <= ISNULL(b.[EndDate], @CheckDate)
        )
    -- Outer select from the CTE
    SELECT b.[ProductAssemblyID], b.[ComponentID], b.[ComponentDesc], SUM(b.[PerAssemblyQty]) AS [TotalQuantity] , b.[StandardCost], b.[ListPrice], b.[BOMLevel], b.[RecursionLevel]
    FROM [BOM_cte] b
    GROUP BY b.[ComponentID], b.[ComponentDesc], b.[ProductAssemblyID], b.[BOMLevel], b.[RecursionLevel], b.[StandardCost], b.[ListPrice]
    ORDER BY b.[BOMLevel], b.[ProductAssemblyID], b.[ComponentID]
    OPTION (MAXRECURSION 25) 
END;

Related Objects

dbo Schema
AdventureWorks Database