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bastiaaf Frequent Visitor
Frequent Visitor

Custom data connector - relationships

I'm working on a Custom data connector which is retrieving data - via REST API's - from an HR Cloud Platform.

While all is working well, and with the (Personal) gateway I'm even able to refresh the data, relationships (or the lack off) are giving me head-aches.

I can't seem to find any information on how to create a relationship between 2 entities in the Data Model.

I've found these links, but they do not provide an answer on how - as part of the connector - I can program a relationship between entities (without extending one of the two entities with the attributes of the other entity...

https://github.com/Microsoft/DataConnectors/issues/97

 

Hoping for some feedback Smiley Happy

3 REPLIES 3
Moderator v-yuezhe-msft
Moderator

Re: Custom data connector - relationships

@bastiaaf,

Have you checked the sample in the blog below? Power Query code about defining relationships has been provided in the blog.

https://github.com/Microsoft/DataConnectors/tree/master/samples/Relationships

Regards,
Lydia

Community Support Team _ Lydia Zhang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
bastiaaf Frequent Visitor
Frequent Visitor

Re: Custom data connector - relationships

@v-yuezhe-msft, I did, but either I don't get the example or it's not meant for what I want to do...

Currently this is the result:

image.png
With this piece of code:

        #"CompanyLocation" = Table.NestedJoin(#"Companies",{"ID"},OTGConnector.GetLocations(),{"Company.Id"},"CompanyLocations",JoinKind.LeftOuter),
        #"CompanyLocationExpanded" = Table.ExpandTableColumn(#"CompanyLocation","CompanyLocations", {"Company.Id"})


So <Companies> is extended with the "Company.Id" attribute of <Locations>.

However what I want to achieve is the actual relationship in the model:

image.png

 

Currently, I have to explain my users to go to a menu-item and "autodetect" the relationships, which seems to be hard for them.
Would be great if I can simply code what the relationship should be...

rlooney Frequent Visitor
Frequent Visitor

Re: Custom data connector - relationships

We're facing a similar challenge.

 

You should follow this topic on the github repo as well...

https://github.com/Microsoft/DataConnectors/issues/150

 

It looks like more work around relationships is in progress.

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