Power BI REST API, Update dataset datasource incremental refresh support

[jpretorius]

I am able to successfully update a power bi dataset SQL datasource using the following method:

POST https://api.powerbi.com/v1.0/myorg/datasets/{datasetId}/Default.UpdateDatasources

If I enable Power BI incremental refresh on a table in the dataset, publish that dataset and then attempt to update the datasource using the method above I get two datasources on the dataset - the old and the new.

Please can you confirm whether the above method supports datasources with incremental refresh enabled?

[v-chuncz-msft]

@jpretorius 

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