Generating list of changesets and updating work
Every changeset is treated as one Logical Unit of Work (LUW), ensuring its “all or nothing” character.
The operations of a changeset are processed in the same order as they are defined in this changeset.
Changesets cannot contain retrieve requests and cannot be nested, that is, a changeset cannot contain a changeset.
In the batch request body, each retrieve request and changeset is represented as a distinct MIME part and is separated by the boundary marker defined in the Content-Type header of the request.
One of the quickest ways to generate a custom report in Excel is to start with a flat list query. Also, once you've build a report, you can manipulate the data further by adding or filtering fields using the Pivot Table.
Note This feature is available with an on-premises Team Foundation Server (TFS) configured with SQL Server Analysis Services.
Every changeset is treated as one Logical Unit of Work (LUW), ensuring its "all or nothing" character.
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A response to a retrieve request is formatted exactly as it would have appeared outside of a batch.
The body of a changeset response is either a response for all the successfully processed change request within the changeset, formatted exactly as it would have appeared outside of a batch, or a single response indicating a failure of the entire changeset.
As defined in the OData specification for batch processing , in case an operation within a changeset fails the batch response body contains only one single response for this changeset indicating the failure of the entire changeset. changeset processing when the data providers is able to handle the entire operation of changeset at once at end of changeset: For this to be possible the data provider must implement the changeset handling API to process all changeset operations within one API ( to inform the framework that it can process all changeset operations at once (deferred processing).
Based on the list of entity set name, entity type name and action name, a data provider can dynamically set the exporting parameter mentioned above to inform the framework that it will process the current changeset at once or to reset this parameter to have a single processing as usual. That means without any changes in a data provider each changeset operation will be processed one after another as usual.