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Visual Studio SQL Query for SubTotal and Total

Posted on 2009-05-13
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Last Modified: 2013-11-26
I want to create a query that analyses the amount a customer has been invoiced compared to the total invoices for a month. As a bonus, we have a customer that skews the numbers and I would like to also show a total that excludes that customer.
The results would look like this:
Customer|CustomerInvoices|DateMonth|DateYear|TotalInvoices|TotalInvoicesNotCustA

The tables have these fields:

Customer:
CustNo
CustName

Invoices:
InvNo
CustNo
InvDate
InvTotal

The customer to exclude has the CustNo of '0000001046'.
I have tried nested tables and it looks like it could work, but the joins appear convoluted and the whole thing is quite slow.
I don't think my example is a good query, so don't be afraid to toss out a new one.
SELECT     customer.custname AS Customer, SUM(plmain.invtotal) AS CustInvoices, `MONTH`(plmain.invdate) AS DateMonth, `YEAR`(plmain.invdate) AS DateYear, 
 

                      SUM(TotalSales.AllTotalSales) AS TotalSalesAll, SUM(TotalSalesNotInsitsu.NotTotalSales) AS TotalSalesNotInsitsu
 

FROM         plmain, customer,
 

(SELECT     SUM(invtotal) AS AllTotalSales, `MONTH`(invdate) AS AllDateMonth, `YEAR`(invdate) AS AllDateYear
 

FROM          plmain plmain_2
 

GROUP BY AllDateMonth, AllDateYear) TotalSales,
 

(SELECT     SUM(invtotal) AS NotTotalSales, `MONTH`(invdate) AS NotDateMonth, `YEAR`(invdate) AS NotDateYear
 

                            FROM          plmain plmain_1
 

                            WHERE      (custno <> '0000001146')
 

                            GROUP BY NotDateMonth, NotDateYear) TotalSalesNotInsitsu
 

WHERE     plmain.custno = customer.custno AND plmain.invdate < GoMonth(customer.acct_date, 48) AND `MONTH`(plmain.invdate) = TotalSales.AllDateMonth AND
 

                       `YEAR`(plmain.invdate) = TotalSales.AllDateYear AND `MONTH`(plmain.invdate) = TotalSalesNotInsitsu.NotDateMonth AND `YEAR`(plmain.invdate) 
 

                      = TotalSalesNotInsitsu.NotDateYear
 

GROUP BY customer.custname, DateYear, DateMonth, TotalSalesAll, TotalSalesNotInsitsu
 

ORDER BY customer.custname, DateYear, DateMonth

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Question by:jason_woods
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Expert Comment

by:pcelba
ID: 24375945
First of all some questions:

1) What SQL engine is used to execute above select? Is it FoxPro? Which version?
2) What contains the customer.acct_date?
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Assisted Solution

by:pcelba
pcelba earned 500 total points
ID: 24376370
It is not necessary to have three selects, two are enough. Hope your SQL engine allows conditional summing:
SUM(CASE WHEN custno <> '0000001146' THEN invtotal ELSE 0 END) AS NotTotalSales,
if not, you may try:
SUM(IIF(custno <> '0000001146', invtotal, 0.00)) AS NotTotalSales,

SELECT customer.custname AS Customer, SUM(plmain.invtotal) AS CustInvoices, `MONTH`(plmain.invdate) AS DateMonth, `YEAR`(plmain.invdate) AS DateYear, 

       SUM(TotalSales.AllTotalSales) AS TotalSalesAll, SUM(TotalSales.NotTotalSales) AS TotalSalesNotInsitsu

FROM         plmain, customer, 

(SELECT SUM(invtotal) AS AllTotalSales, SUM(CASE WHEN custno <> '0000001146' THEN invtotal ELSE 0 END) AS NotTotalSales,

        `MONTH`(invdate) AS AllDateMonth, `YEAR`(invdate) AS AllDateYear 

FROM    plmain plmain_2

GROUP BY AllDateMonth, AllDateYear) TotalSales,

WHERE       plmain.custno = customer.custno AND plmain.invdate < GoMonth(customer.acct_date, 48) 

       AND `MONTH`(plmain.invdate) = TotalSales.AllDateMonth 

       AND `YEAR`(plmain.invdate) = TotalSales.AllDateYear

GROUP BY customer.custname, DateYear, DateMonth

ORDER BY customer.custname, DateYear, DateMonth

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Expert Comment

by:pcelba
ID: 24376513
BTW, the `MONTH`() and `YEAR`() function call isn't allowed neither in FoxPro nor in SQL Server. It was the main reason I am asking for SQL engine version.
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Author Comment

by:jason_woods
ID: 24376702
I am using visual Studio 2008 and creating an ASP.Net page. The database is VFP9.
I am using VFPOLEDB.1 in my connection string.
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Expert Comment

by:pcelba
ID: 24376788
So in such case you have to use MONTH() and YEAR() without quotes. And IIF() in the SUM() instead of CASE WHEN.
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Author Comment

by:jason_woods
ID: 24376857
Correct, to a point. In Visual Studio 2008 I have to use the `Month` feature so that VS08 doesn't complain. I also am using the IIF() in the previous code you gave.

I am now getting a GROUP BY error. It doesn't occur in the Nested statement when I use it alone.
SELECT customer.custname AS Customer, SUM(plmain.invtotal) AS CustInvoices, `MONTH`(plmain.invdate) AS DateMonth, `YEAR`(plmain.invdate) AS DateYear, 
 

       SUM(TotalSales.AllTotalSales) AS TotalSalesAll, SUM(TotalSales.NotTotalSales) AS TotalSalesNotInsitsu
 

FROM         plmain, customer, 
 

(SELECT     SUM(invtotal) AS AllTotalSales, SUM(IIF(custno <> '0000001146',invtotal ,0.00)) AS NotTotalSales, `MONTH`(invdate) AS AllDateMonth, 
 

                      `YEAR`(invdate) AS AllDateYear
 

FROM         plmain plmain_2
 

GROUP BY AllDateMonth, AllDateYear) TotalSales,
 

WHERE       plmain.custno = customer.custno AND plmain.invdate < GoMonth(customer.acct_date, 48) 
 

       AND `MONTH`(plmain.invdate) = TotalSales.AllDateMonth 
 

       AND `YEAR`(plmain.invdate) = TotalSales.AllDateYear
 

GROUP BY customer.custname, DateYear, DateMonth
 

ORDER BY customer.custname, DateYear, DateMonth

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Accepted Solution

by:
pcelba earned 500 total points
ID: 24377019
Interesting. I've never used VS to call VFP... The GROUP BY could be solved following way (removing sum from select list and adding two columns to Group by):
SELECT customer.custname AS Customer, SUM(plmain.invtotal) AS CustInvoices, `MONTH`(plmain.invdate) AS DateMonth, `YEAR`(plmain.invdate) AS DateYear, 

 

       TotalSales.AllTotalSales AS TotalSalesAll, TotalSales.NotTotalSales AS TotalSalesNotInsitsu

 

FROM         plmain, customer, 

 

(SELECT     SUM(invtotal) AS AllTotalSales, SUM(IIF(custno <> '0000001146',invtotal ,0.00)) AS NotTotalSales, `MONTH`(invdate) AS AllDateMonth, 

 

                      `YEAR`(invdate) AS AllDateYear

 

FROM         plmain plmain_2

 

GROUP BY AllDateMonth, AllDateYear) TotalSales,

 

WHERE       plmain.custno = customer.custno AND plmain.invdate < GoMonth(customer.acct_date, 48) 

 

       AND `MONTH`(plmain.invdate) = TotalSales.AllDateMonth 

 

       AND `YEAR`(plmain.invdate) = TotalSales.AllDateYear

 

GROUP BY customer.custname, DateYear, DateMonth, TotalSales.AllTotalSales, TotalSales.NotTotalSales

 

ORDER BY customer.custname, DateYear, DateMonth

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Author Comment

by:jason_woods
ID: 24377276
Still a problem. I may have to do the Nested Select on a row-by-row basis in code.
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Expert Comment

by:pcelba
ID: 24377341
What is the error mesaage ?
0
 
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Author Comment

by:jason_woods
ID: 24377453
Command Contains Unrecognized Phrase/keyword
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LVL 41

Expert Comment

by:pcelba
ID: 24377461
To be honest, I am not sure if nested selects are allowed at this place and I have no VFP 9 installed to test it right now. It will take some time to download it and test.

To do it row by row in code is possible. Another option could be temporary table and joining this temp table but, again, I am not sure if it is allowed by ADO.
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Expert Comment

by:pcelba
ID: 24377513
So, you should test if it works without nested select. I'll install VFP9 later today.
0
 
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Author Comment

by:jason_woods
ID: 24378774
Found it!!! There was an extra comma in the FROM clause at the end!!!
SELECT customer.custname AS Customer, SUM(plmain.invtotal) AS CustInvoices, `MONTH`(plmain.invdate) AS DateMonth, `YEAR`(plmain.invdate) AS DateYear, 

TotalSales.AllTotalSales AS TotalSalesAll, TotalSales.NotTotalSales AS TotalSalesNotInsitsu

FROM         plmain, customer, 

(SELECT     SUM(invtotal) AS AllTotalSales, SUM(IIF(custno <> '0000001146',invtotal ,0.00)) AS NotTotalSales, `MONTH`(invdate) AS AllDateMonth, `YEAR`(invdate) AS AllDateYear

FROM         plmain plmain_2

GROUP BY AllDateMonth, AllDateYear) TotalSales

WHERE       plmain.custno = customer.custno AND plmain.invdate < GoMonth(customer.acct_date, 48) 

       AND `MONTH`(plmain.invdate) = TotalSales.AllDateMonth 

       AND `YEAR`(plmain.invdate) = TotalSales.AllDateYear

GROUP BY customer.custname, DateYear, DateMonth, TotalSales.AllTotalSales, TotalSales.NotTotalSales

ORDER BY customer.custname, DateYear, DateMonth

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Expert Comment

by:pcelba
ID: 24378789
Perfect, now I see it :-)
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Author Closing Comment

by:jason_woods
ID: 31580980
The final answer would be at the bottom of the post.
0
 
LVL 41

Expert Comment

by:pcelba
ID: 24379344
You even answered my question about nested query (or subselect) possibility in VFP9 and you have to be honored, so I've asked new question in Web development - Web languages/standards - ASP zone and waiting for your answer. Thanks for it.
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