Create a Power BI report with an OData Query

Azure DevOps Services | Azure DevOps Server 2019

With Power BI Desktop, you can easily start creating reports for your project in Azure DevOps.

If you don't have Power BI Desktop, you can download and install it for free.

Follow the steps to create a report in Power BI desktop that shows a daily trend of bugs.

  • Create a Power BI query
  • Create Power BI transforms
  • Create an Open Bugs trend report

Prerequisites

In order to create a Power BI report, you must meet the following criteria:

  • You must be a member of a project. If you don't have a project yet, create one. See Sign up for free.
  • If you haven't been added as a project member, get added now. Anyone with access to the project, except Stakeholders, can view Analytics views.
  • Have the View Analytics permission set to Allow. See Grant permissions to access Analytics.
  • Boards must be enabled. To re-enable it, see Turn an Azure DevOps service on or off.
  • Have installed Power BI Desktop October 2018 Update or later version. You can download this client application from the official Power BI Desktop download page.
  • Have tracked work items for some period of time on which to generate a trend report.

Create a Power BI Query

Create a Power BI Query to pull the data into Power BI as follows:

  1. Choose Get Data, and then Blank Query.

    Power BI - Blank Query

  2. From the Power BI Query editor, choose Advanced Editor.

    Power BI - Select Advanced Editor

  3. The Advanced Editor window opens.

    Power BI - Advanced Editor

  4. Replace the contents with the following query.

    let
       Source = OData.Feed ("https://analytics.dev.azure.com/{organization}/{project}/_odata/v3.0-preview/WorkItemSnapshot? "
            &"$apply=filter( "
                &"WorkItemType eq 'Bug' "
                &"and StateCategory ne 'Completed' "
                &"and startswith(Area/AreaPath,'{areapath}') "
                &"and DateValue ge {startdate}  "
                &") "
            &"/groupby( "
                &"(DateValue,State,WorkItemType,Priority,Severity,Area/AreaPath,Iteration/IterationPath,AreaSK), "
                &"aggregate($count as Count) "
                &") "
        ,null, [Implementation="2.0",OmitValues = ODataOmitValues.Nulls,ODataVersion = 4]) 
    in
        Source
    

    Power BI - Advanced Editor - Pasted Query

  5. Substitute your values within the sample query.

    The sample query has strings that you must replace with your values:

    • {organization} - Your organization name
    • {project} - Your team project name. Or omit "/{project}" entirely, for a cross-project query
    • {areapath} - Your Area Path. Format: Project\Level1\Level2
    • {startdate} - The date to start your trend report on. Format: YYYY-MM-DDZ. Example: 2019-07-01Z represents 2019-July-01. Do not enclose in quotes.

    Power BI - Advanced Editor - Replace strings in query

  6. Choose Done to execute the query.

    If you have never connected to your account, Power BI may require you to authenticate. See Client authentication options for more information.

Create Power BI transforms

Expand Area, Iteration, AssignedTo columns

The query returns several columns that you need to expand before you can use them in Power BI. Any entity pulled in using an OData $expand statement returns a record with potentially several fields. You need to expand the record to flatten the entity into its fields. Examples of such entities are: AssignedTo, Iteration, and Area.

After closing the Advanced Editor and while remaining in the Power Query Editor, select the expand button on the entities you need to flatten.

  1. Choose the expand button.

    Power BI + OData - expanding an entity column

  2. Select the fields to flatten.

    Power BI + OData - expanding an entity column

  3. The table now contains entity field(s).

    Power BI + OData - expanding an entity column

  4. Repeat steps 1 through 3 for all fields representing entities: Area, Iteration, AssignedTo.

Rename fields and query, then Close & Apply

When finished, you may choose to rename columns.

  1. Right-click a column header and select Rename...

    Power BI Rename Columns

  2. You also may want to rename the query from the default Query1, to something more meaningful.

    Power BI Rename Query

  3. Once done, choose Close & Apply to save the query and return to Power BI.

    Power BI Close & Apply

Create the report

Power BI shows you the fields you can report on.

Note

The example below assumes that no one renamed any columns.

Sample - Boards Rollup - Fields

For a simple report, perform the following steps:

  1. Select Power BI Visualization Line chart.
  2. Add the field "DateValue" to Axis
    • Right click "DateValue" and select "DateValue", rather than Date Hierarchy
  3. Add the field "State" to Legend
  4. Add the field "Count" to Values
    • Right click WorkItemId field and ensure Sum is selected

The example report:

Sample - Boards Rollup - Report

Pull in data from multiple teams

Oftentimes, you want to aggregate and compare data from multiple teams. If you are pulling in items from multiple teams, consider adding a Team slicer to your report. A Team slicer allows you to filter the existing report by Team Name.

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