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SAP Datasphere Hierarchies with unassigned nodes

Unassigned nodes in BW query are a common case. This wasn't available in SAP Datasphere for a logn time and leads to some incorrect data while displaying the aggregated data in hierarchy form.

 

There is also an influence request in the influence portal. SAP still hasn't implemented yet a good soulation and the request is still open but there is a hint for a SAP online help entry how to solve the issue. The request is 304831.

 

It is only available through the validation rules. The validation rules allow you to identify missing or enhanced hierarchy notes in your hierarchy. 

 

The help entry is found under the name "Collect Unassigned Fact Records for Inclusion in Aggregations and Visualizations". It has no link to the Hierarchy with Directoy entry nor is it linked with the Creating Analytic Model page. 

 

With click on the validation of the fact view you get the information about missing hierarchy nodes in my GL Account hierarchy.

Data Validation: Missing Hierarchy Nodes
Data Validation: Missing Hierarchy Nodes

Under "Details," you can find information on how to disable this behavior. 

Missing Hierarchy Nodes: Detail
Missing Hierarchy Nodes: Detail

You can download the automatically created CSN files.  After importing them to your Datasphere tenant, you will see these three objects.

Data Builder: Imported Objects
Data Builder: Imported Objects

Now we have to change the hierarchy association in the dimension to the enhanced object.

Dimension Association
Dimension Association

Now you deploy the dimension and make the validation again. As you can see now there are no missing hierarchy nodes.

Data Validation without issing hierachy nodes
Data Validation without issing hierachy nodes

The analytic model now correctly displays the unassigned nodes when I display the hierarchy.

 

Hierarchy in Analytic Model with unassigned nodes
Hierarchy in Analytic Model with unassigned nodes

Conclusion

I don't understand why SAP doesn't do this automatically or why it's hidden under the validation rules of a fact model. After completing the validation and changing the dimension association, the dimension can be used anywhere, and unassigned nodes will appear under "Unassigned Node."

 

I hope this information helps you correctly display unassigned nodes in the hierarchy.

author.


Hi,

I am Tobias, I write this blog since 2014, you can find me on LinkedIn and YouTube. I work as a Data & Analytics Consultant. If you want, you can leave me a PayPal coffee donation. You can also contact me directly if you want.


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