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Challenge with Pivoting data?

Author

Topic

Darts75
Starting Member

27 Posts

Posted - 2014-10-27 : 21:36:59

Hi Everyone,

I have an interesting challenge which involves extracting data from two related databases, and pivoting part of the data from the second.

Where I work we use SAP Business One (ERP) in concert with Accellos (WMS). Within our Warehouses we store items in many bin locations. Bin locations; items in those locations, along with quantities, etc are stored in the Accellos database. Master data related to the items themselves, such as the item cost, preferred supplier, etc is stored in SAP Business One.

Whilst I have been able to create reports which successfully bridge both SAP & Accellos, such as that shown below, I have not been able to present the data output in an ideal format.

As can be seen above given a single item code (e.g.: DR1124) there are many bin labels (and corresponding quantities) returned.

I would like to show the bin labels 'horizontally' in the fashion illustrated below -

I believe that using a Pivot is pivotal (excuse the pun!) to success in my endeavour, and due to this I have studied up on Pivots, both the Static type (which I am now comfortable with) and the Dynamic type (which I am still getting 'my head around').

However there are a couple of challenges related to my specific pivot.

The maximum number of Bins (and correspondingly Bin Labels) per Item change

There are over 10K Bin Labels

I have written a basic Dynamic Pivot which shows all Bin Labels horizontally, like so...

The above technique gives me over 10K columns because there are that many Bin Labels in total.

It occurred to me that I would need to count the maximum number of Bin Labels for the Item that had the most Bin Labels, and that this number would then need to be used to set the maximum number of columns.


DECLARE @maxBins int
DECLARE @loopCount int = 1

SET @maxBins = (SELECT MAX([# of Bins]) AS 'Max Bins'
	FROM
	(
		SELECT
		COUNT(BINLABEL) '# of Bins'

		FROM A1Warehouse..BINLOCAT

		GROUP BY PRODUCT
	) AS T0)

PRINT @maxBins

At this point in time one item occupies a total of 26 bin labels / locations. Every other item occupies less than 26 bin labels / locations, so I now know that I need to number my vertical columns as 'Bin 1', 'Bin 2', 'Bin 3', 'Bin...', 'Bin 26'.

This is where the fun starts, I don't exactly need a Dynamic Pivot, but neither is a Static Pivot up to the task (at least not as best I can tell).

Here is the Static Pivot query that I have written -


DECLARE @fromDate DATE = DATEADD(YY, -1, GETDATE())
DECLARE @toDate DATE = GETDATE()
DECLARE @maxBins int
DECLARE @loopCount int = 1

SET @maxBins = (SELECT MAX([# of Bins]) AS 'Max Bins'
	FROM
	(
		SELECT
		COUNT(BINLABEL) '# of Bins'

		FROM A1Warehouse..BINLOCAT

		GROUP BY PRODUCT
	) AS T0)

PRINT @maxBins

SELECT *

FROM
(
	SELECT
	Tx.[Item Code]
	, Tx.Description
	, SUM(Tx.[Sales (last 12 Months)]) AS 'Sales (last 12 Months)'
	, ISNULL(Tx.[Supplier Code], '') AS 'Supplier Code'
	, ISNULL(Tx.[Supplier Name], '') AS 'Supplier Name'
	, Tx.OnOrder
	, Tx.IsCommited
	, Tx.OnHand
	, ISNULL(Tx.BINLABEL, '') AS 'Binlabel'
	, ISNULL(CAST(Tx.QUANTITY AS nvarchar), '') AS 'Quantity'

	FROM
	(
		SELECT
		T0.ItemCode AS 'Item Code'
		, T0.Dscription AS 'Description'
		, SUM(T0.Quantity) AS 'Sales (last 12 Months)'
		, T3.CardCode AS 'Supplier Code'
		, T3.CardName AS 'Supplier Name'
		, T2.OnOrder
		, T2.IsCommited
		, T2.OnHand
		, T4.BINLABEL
		, T4.QUANTITY

		FROM INV1 T0
		INNER JOIN OINV T1 ON T1.DocEntry = T0.DocEntry AND T1.CANCELED = 'N'
		INNER JOIN OITM T2 ON T2.ItemCode = T0.ItemCode
		LEFT JOIN OCRD T3 ON T3.CardCode = T2.CardCode
		LEFT JOIN A1Warehouse..BINLOCAT T4 ON T4.PRODUCT = T0.ItemCode collate SQL_Latin1_General_CP850_CI_AS

		WHERE T1.DocDate >= @fromDate AND T1.DocDate <= @toDate

		GROUP BY T0.ItemCode, T0.Dscription, T3.CardCode, T3.CardName, T2.OnOrder, T2.IsCommited, T2.OnHand, T4.BINLABEL, T4.QUANTITY

		UNION ALL

		SELECT
		T0.ItemCode AS 'Item Code'
		, T0.Dscription AS 'Description'
		, -SUM(T0.Quantity) AS 'Sales (last 12 Months)'
		, T3.CardCode AS 'Supplier Code'
		, T3.CardName AS 'Supplier Name'
		, T2.OnOrder
		, T2.IsCommited
		, T2.OnHand
		, T4.BINLABEL
		, T4.QUANTITY

		FROM RIN1 T0
		INNER JOIN ORIN T1 ON T1.DocEntry = T0.DocEntry
		INNER JOIN OITM T2 ON T2.ItemCode = T0.ItemCode
		LEFT JOIN OCRD T3 ON T3.CardCode = T2.CardCode
		LEFT JOIN A1Warehouse..BINLOCAT T4 ON T4.PRODUCT = T0.ItemCode collate SQL_Latin1_General_CP850_CI_AS

		WHERE T1.DocDate >= @fromDate AND T1.DocDate <= @toDate

		GROUP BY T0.ItemCode, T0.Dscription, T3.CardCode, T3.CardName, T2.OnOrder, T2.IsCommited, T2.OnHand, T4.BINLABEL, T4.QUANTITY
	)Tx
	GROUP BY Tx.[Item Code], Tx.Description, Tx.[Supplier Code], Tx.[Supplier Code], Tx.[Supplier Name], Tx.OnOrder, Tx.IsCommited, Tx.OnHand, Tx.BINLABEL, Tx.QUANTITY
)Ty
PIVOT
(
	MAX(Ty.Quantity)
	FOR Ty.Binlabel IN ([0], [1], [2])
)Tz

Here is a screen shot of the results that I see -

I understand why there are NULLs in my 0, 1, and 2 columns...there simply aren't Bin Labels called 0, 1 or 2!

My challenge is that I do not know how to proceed from here. Firstly how do I call each of the pivoted columns 'Bin 1', 'Bin 2', 'Bin...', 'Bin 26' when the actual Bin Labels are over 10 thousand different possible character sets, e.g.: #0005540, K1C0102, etc, etc, etc...

I have considered the possibility that a WHILE loop may be able to serve in populating the column names...


DECLARE @maxBins int
DECLARE @loopCount int = 1

SET @maxBins = (SELECT MAX([# of Bins]) AS 'Max Bins'
	FROM
	(
		SELECT
		COUNT(BINLABEL) '# of Bins'

		FROM A1Warehouse..BINLOCAT

		GROUP BY PRODUCT
	) AS T0)

PRINT @maxBins

WHILE @loopCount <= @maxBins

BEGIN
	PRINT @loopCount
	SET @loopCount = @loopCount +1
END

...of course the query above has no practical application at this stage, but I thought that it may be useful from a 'logic' point of view.

I have tried to insert a WHILE clause into various locations within the Static Pivot query that I wrote, however in each instance there were errors produced by SSMS.

If anybody can suggest a way to solve my data pivoting challenge it will be much appreciated.

Kind Regards,

David

gbritton
Master Smack Fu Yak Hacker

2780 Posts

Posted - 2014-10-28 : 08:53:32

Instead of posting screenshots, post snippets of your results and a description of what is right or wrong. Some companies (mine!) block images from certain sites.

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