Microsoft Dynamics AX (Archived)

How to use count function with order by

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Posted on by startax

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Hi all,

I need to print top 7 customer with max Sales Order that means i have to use count function.

I write the following code for get count

while select count(salesid) from salestable groupby salestable.scustaccount

this give me output

CustA 20, CustB30, CustC10, CustD50 etc ....

But i need output something like

CustD50, CustB30, CustA20, CustC10 etc...

http://stackoverflow.com/questions/22475780/how-to-count-and-sort-records-using-axapta-query

According to this post i cant sort aggregate field . Any other option to complete this task.

Any suggestion is very helpful.

Thank You,

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Mea_ 60,284 on at

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RE: How to use count function with order by

Hi Dinkar,

Yes, you cannot use order by and group by same field in AX, as a workaround you can create aggregated view, please check this thread community.dynamics.com/.../594777 where question was about ordering by group by field as well.

Actually same solution (view with aggregated data) was proposed for the question from link provided by you.

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Martin Dráb 236,394 Most Valuable Professional on at

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RE: How to use count function with order by

You could create a view the number of orders implemented as a computed column (which can be used for sorting).

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Vilmos Kintera 46,149 on at

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RE: How to use count function with order by

The other options mentioned work, and another one could be to use Transact-SQL script with an ODBC connection and do something like:

https://arungarg1987.wordpress.com/2011/12/13/connecting-to-databases-through-x/

SELECT TOP 7 CustAccount, count(*) Total FROM SalesTable GROUP BY CustAccount ORDER BY Total DESC

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Martin Dráb 236,394 Most Valuable Professional on at

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RE: How to use count function with order by

Ievgen is right that you can use aggregated functions in a view directly; you don't need computed columns in this case.

I strongly recommend not using direct DB queries if there is a solution native to AX - direct queries are much more difficult to write and debug and it has other problems as well. When it's necessary, I still prefer doing it in a view with computed columns (if applicable).

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startax 1,845 on at

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RE: How to use count function with order by

Hi ievgen,

Thanks for a good suggestion it works but i have one question how do i get top 5 record.

Because i need only top 5 records. Its easy in SQL but any suggestion how do i get only top five record.

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Vilmos Kintera 46,149 on at

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RE: How to use count function with order by

I am afraid you cannot specify that directly in AX, only via the ODBC cursor. You only have firstOnly10 / 100 / 1000, check select statement syntax:

https://msdn.microsoft.com/en-us/library/aa656402.aspx

The solution could be to use a temporary record buffer, and erase the rows that you do not need.

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startax 1,845 on at

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RE: How to use count function with order by

Hi Vilmos,

Thanks for your suggestion but i can use break to get any number of record;

I used counter to get top 5 record and then use break.

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Vilmos Kintera 46,149 on at

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RE: How to use count function with order by

Yes, that works as well indeed.

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