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Regular Visitor

## Sum data with multi relationships

Afternoon/Morning All

I am looking to calculate the total value of orders raised by a customer.  However, the deal record, has up to 7 places the customer can be recorded (such as the client, architect, QS, designer etc"), and can be recorded multi times.  For example, the customer could be the client, architect and QS.  As such, i only want to sum the deal value once, and not 3 times.

Due to the 7 fields the customer can be recorded, we have 7 relationships between the deal table and customer table, therefore i'm having to us 'USERELATIONSHIP' formaul to specfie the active relationship.

My current method, which is awful, is to run 7 sums and add these together.  This is both processor intenstive, and also mean the data can be counted multiple times.

My thought is using sumx, but not use to to link the multi relationships together.

Any help would be greatly appreciated.

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Accepted Solutions
New Contributor

## Re: Sum data with multi relationships

Whenever you see column names with xxx1, xxx2, xxx3 etc. the spider sense should start tingling.  Having a set of non-active relationships to deal with these columns also sets alarms off.

The Company columns should be unpivoted in Power Query to provide a column holding the Company name (company1, company2...) and a column holding the Company ID (1001, 1002...)

A single relationship can then be created between ID in Organisation and Company ID in the revamped Deal table.

The challenge that remains is to prevent double-counting of the Value field when linking to a User.

One way to do this would be : create a measure for the average(Value) and then use that in another measure like

`Norm Value = SUMX(DISTINCT(Deal[ID]), [Avg Value])`

This works out the average deal value based on a unique identifier in the Deal table (so prevents double counting)

12 REPLIES 12
Community Support Team

## Re: Sum data with multi relationships

Hi @gwright15 ,

I create a sample based on your requirement. However, it is too simple so that I can’t reproduce your scenario. Can you please post some sample data and excepted output and  share the details about the relationship between two tables? Then we can help you as soon as possible.

Best Regards,

Xue Ding

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Regular Visitor

## Re: Sum data with multi relationships

Sorry for not coming back on this sooner.

I've attached an sample file, but will explain it alittle more.

So the data would look something like this:

Company 1 to 6 in the "Deal table" would be linked to the Organisation ID.

The query would be what are the value of deals (deals[value]) for each user, where their organisation is linked to a deal.  Noting, on a deal, company 1 to 6, would be the same in theory, and therefore, only want to count the deal once.

So in the attached example, user 2003, is linked to organisation 1004, 1008, 1009, 1010, which in turn are linked to deals 1, 2, 3, 4, 6, 8, 9, 10

File is location here - https://www.dropbox.com/s/8u7spo9a767xh5g/Test%20file.pbix?dl=0

New Contributor

## Re: Sum data with multi relationships

Whenever you see column names with xxx1, xxx2, xxx3 etc. the spider sense should start tingling.  Having a set of non-active relationships to deal with these columns also sets alarms off.

The Company columns should be unpivoted in Power Query to provide a column holding the Company name (company1, company2...) and a column holding the Company ID (1001, 1002...)

A single relationship can then be created between ID in Organisation and Company ID in the revamped Deal table.

The challenge that remains is to prevent double-counting of the Value field when linking to a User.

One way to do this would be : create a measure for the average(Value) and then use that in another measure like

`Norm Value = SUMX(DISTINCT(Deal[ID]), [Avg Value])`

This works out the average deal value based on a unique identifier in the Deal table (so prevents double counting)

Member

## Re: Sum data with multi relationships

you can try to unpivot the Company in Power Query before using DAX.

Check the "New Deal" table here:

https://1drv.ms/u/s!Aps8poidQa5zk6sJ1uJqUK_yQvfiSA

Regular Visitor

## Re: Sum data with multi relationships

@HotChilli  Sorry I didn’t explain this very well.

Company 1 to company 6 are organisations involved in a deal. So for example, an architect, a designer, a contractor, the client etc. The heading on the columns should read the above names. These are then linked to the organisation table. In theory we could have an organisation who are both the designer and architect.

So if you think of it with a house builder, you would have the house builder link, the brick layer link, the designer, the architect, the QS all involved in a single deal. All these can and do contribute to us winning a deal.

Regular Visitor

## Re: Sum data with multi relationships

If the relationships looked like this now:

Can i now link the sum the value of deals, where a user linked organisation contributed to a deal?

Member

## Re: Sum data with multi relationships

@gwright15 yes, you can enable bi-directional relationship between Deal an Organization link table.

Highlighted
Regular Visitor

## Re: Sum data with multi relationships

@Iamnvt awesome - would this need to be on all these relatioships or just certain ones?

Member

## Re: Sum data with multi relationships

no, only that that relationship.

Bi-directional is very dangerous to be abusive if you don't fully understand how it works.

for this case, only that relationship is required to perform the task you are looking for.

you may refer to this article for better understanding how it works:

https://www.sqlbi.com/articles/bidirectional-relationships-and-ambiguity-in-dax/

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