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8.8

Need to adjust this SQL query to remove all dates up to the first date of sales

Asked by jamesbcox1980 in SQL Server 2005, SQL Query Syntax, Databases Miscellaneous

You guys helped me build this query, now I have one adjustment that needs to be made.  Again, the reason is trending.  We have tested this on all products and it's working great, except for new products.  Since we're looking at the last 120 days here, it returns 2 months of 0 sales days preceding the actual day we started selling it 2 months ago.

I need to keep the days with 0 sales between regular days, but I want to get rid of all the preceding ones.

Let's say we're excluding all the days starting from the beginning of the month up until the first day of actual sales.  From then on, we include everything.

Here's the kicker.  Some returning experts might remember that I'm using iDashboards, and the SELECT statement cannot have UDFs or declared tables.  This is the reason for the subqueries as tables in my code below. So, I'm not sure if this is even possible, but you guys continue to surprise me! 
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SELECT d.dates AS InvoiceDate
   , i.ItemCode
   , SUM(isnull(AR_InvoiceHistoryDetail.QuantityOrdered,0)) as Qty
FROM (select dateadd(dd,datediff(dd, 0, getdate()),-number) as dates from master..spt_values where number between 0 and 120 and type = 'p' ) D
CROSS JOIN (select ItemNumber AS ItemCode from InventoryDays) I
LEFT JOIN AR_InvoiceHistoryHeader ON D.dates = datediff(dd,0,AR_InvoiceHistoryHeader.InvoiceDate) AND AR_InvoiceHistoryHeader.InvoiceType = 'IN'
LEFT JOIN AR_InvoiceHistoryDetail ON AR_InvoiceHistoryHeader.InvoiceNo = AR_InvoiceHistoryDetail.InvoiceNo
  AND AR_InvoiceHistoryDetail.ItemCode = i.ItemCode
GROUP By d.dates, i.ItemCode
ORDER BY 1,2
Attachments:
 
screenshot-1.jpg (59 KB) (File Type Details) 
A screen shot of the current output with preceding days of no sales, before the product was released.
A screen shot of the current output with preceding days of no sales, before the product was released.
 
[+][-]10/19/09 10:13 PM, ID: 25611193Expert Comment

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[+][-]10/19/09 10:57 PM, ID: 25611319Author Comment

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[+][-]10/19/09 10:57 PM, ID: 25611320Author Comment

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[+][-]10/19/09 11:06 PM, ID: 25611353Expert Comment

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[+][-]10/19/09 11:53 PM, ID: 25611549Author Comment

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[+][-]10/20/09 12:02 AM, ID: 25611591Accepted Solution

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About this solution

Zones: SQL Server 2005, SQL Query Syntax, Databases Miscellaneous
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Solution Provided By: appari
Participating Experts: 1
Solution Grade: A
 
[+][-]10/20/09 07:23 AM, ID: 25614448Author Comment

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