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tessahurr
Microsoft
Microsoft

Share your thoughts on DirectQuery for Power BI datasets and Azure Analysis Services (preview)

Hit Reply and let us know what you think of the DirectQuery for Power BI datasets and Azure Analysis Services.  To learn more about this feature, please visit this blog post or our documentation.

 

Here are some areas that we'd like to hear about in particular:

  • Performance
  • Query editor experience--the remote model query doesn't show up in the query editor and only in the data source settings dialog. What are your thoughts?
  • Navigator experience
  • Thoughts around governance and permissions for models that leverage this feature
  • Nesting models, i.e. building a composite model on top of a composite model
  • Automatic page refresh for live connect in composite models

Thanks and we look forward to hearing your feedback!

 

- The Power BI Modeling Team

295 REPLIES 295

thanks for the feedback - we are aware of this and are investigating how to change this.

simpsonk
Frequent Visitor

Modifying the Direct Query to Analysis Services connection deletes all Joins and Measures created in the local model
Updating the Direct Query to Analysis Services connection to a new dataset in the same or new Workspace with exactly the same data model causes the local model to delete all related Measures and Joins created in the Local model. As a result when initially building a model against a Test data model, all Measures and Joins need to be recreated after connecting to the Production data model.

this is by design.

TWolsten
Frequent Visitor

Hi there,

 

I was wondering if there is a limitation with Premium Workspaces whereby you cannot use the recently released feature of direct querying datasets within premium workspace.

 

I have successfully connected multiple datasets which sit in non-premium workspaces but when I try and connect to a dataset within a Premium workspace I get the below error, and it is not a permission issue as I am the admin of the workspace:

TWolsten_0-1620668454508.png

 

 

 

 

Any help resolving this would be greatly appreciated otherwise I guess I will have to have a non-premium workspace for reports and premium for dataflows.

 

Thanks in advance! 

this should not have happened - can you open an issue on issues.powerbi.com please?

@jeroenterheerdt done 🙂

 

I'm assuming it was 'Post an idea' as there wasn't a 'Post an issue' button.

howellchrisj
Frequent Visitor

Currently connecting to AAS live and it works in PBI Desktop and PB Service.  When I change this to Direct Query so that I can do more with the model by adding new measures outside of AAS, it works in PBI Desktop, but I get a "Cannot Load Model" in PB Service.
I had someone someone check to ensure the endpoint is active, along with live connections in the Tenant settings are active.  Any thoughts on what else this could be?

This is holding up a project for a client.

@jeroenterheerdt , I see you have helped others, any insight?

 

this should not have happened as well (see a post above yours) - can you open an issue on issues.powerbi.com please?

fbouckaert
Frequent Visitor

We're migrating from a SSAS Multidimensional on premise to Azure Analysis Services (Tabular),

Composite Model is a very interesting feature for our end users, but I would like to use Calculation Group in our model.

In the Preview the combination of Composite Model and Calculation Group  is mentioned not to be supported.

'Calculation groups on remote sources are not supported, with undefined query results.'

Will it be supported in the (near) future?

Does it make sense to add Calculation Group to our model?

 

Thanks for your interest in the feature, we're still working through a couple of things, this is one of them. However, depending on how you use it this is not going to be supported or might be. In essence, defining a calc group on a remote source is not supported (and I don't think it will soon). However, you will soon be able to define calc groups on your local model.

What do you mean by calculation group on remote source is not supported ?
do you mean in combination with Composite Model ?

 

I defined a Calculation group  in my model, deployed it to Azure Analysis Services and it works fine.
similar when deploying it to on-prem Analysis Services

with remote source I mean a AAS or PowerBI dataset that you connected to using DirectQuery: using a calculation group on such a source is not supported.

I ran som more tests.
Created a calculation group  in the model and deployed it to AAS.

When connecting PowerBI to the model I can use the calculation items in new measures definition.
When adding an excel file as extra source (composite model) the measures in the model using calculation items still work. (YTD PY),

and I can use them in new measures definitions on measures in the model too.
But they cannot be applied to the measures (Budget Value) coming from the excel file.

fbouckaert_0-1619683461024.png

This looks great.
The calculation group defined in the model still works and can be used on measures in the model.
If they don't on the measures from the added source, is acceptable.

Based on this we can continue our developments with the calculation groups.

 

looking forward to the final version of composite model.

thanks for letting us know!

epresson
Frequent Visitor

I am very interested in the connetion to Perspective feature which was added with the April 2021 update but I can't seem to find any mention of it in any documentation. Can someone point me to any sort of documentation on it?

not sure what you're looking for - basically when you connect to a PBI dataset or AAS that has a perspective you will see that perspective show up in the navigator when connecting to it.

masok2
Frequent Visitor

Please, bring back Direct Query for datasets that connect to SSAS using a live connection. It was working, I have reports built based on that feature and now it's broken and added to limitations - I feel cheated.... I don't agree for it to be a limitation, especially if it was working for some time... That was the only option to work comfortable with Multidimensional Model in Power BI. We bought both Multidimensional SSAS and Power BI from Microsoft and that's ridiculous that Power BI doesn't properly support Multidimensional. Direct Query for dataset that connects to Multidimensiona is the only option to e.g. create a table that has twice the same measure but crossed with Time dimension on different years, or uses hidden measure, that's absurd (you can easily do it in Excel!!!)! Please, enable Direct Query for datasets that connect to SSAS using a live connection (at least for Multidimensional). I know the argument about query performance, but it's better to have worse query performance than not working at all...!

buschbob1974
Regular Visitor

We lost Field Formats on dataset direct query - Percent now decimal

jdelcambre
Regular Visitor

We have been losing the custom 'Sort by column' configuration and data types reverting back to default (ie from numeric to text).  This has been causing a lot of frustration and mysterious bugs over the last few weeks and I've seen a few posts alluding to it being caused by this preview feature. 

 

Can someone confirm this is a known issue and when it is expected to be resolved?

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