PATCH: new preference return=delta to get back a delta response

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    • Type: Improvement
    • Resolution: Unresolved
    • Priority: Major
    • V4.02
    • Affects Version/s: V4.01_CS02
    • Component/s: Protocol
    • None
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      Add preference return=delta for PATCH requests. The server then may respond with a delta payload containing the changes to the server state identified by the ETag in the PATCH request.

      It is a preference, so servers can ignore it.

      The maximum shape of the delta can be specified via $select and $expand.

      Add boolean property DeltaResponseSupported to type Capabilities.UpdateRestrictionsType to advertise support for this feature.

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      Add preference return=delta for PATCH requests. The server then may respond with a delta payload containing the changes to the server state identified by the ETag in the PATCH request. It is a preference, so servers can ignore it. The maximum shape of the delta can be specified via $select and $expand. Add boolean property DeltaResponseSupported to type Capabilities.UpdateRestrictionsType to advertise support for this feature.

      Update requests can have side-effects, e.g. changing the street of an address could as a side-effect also change the zip code even if it is not present in the PATCH request body.

      We need a way to communicate to the client what actually has changed.

            Assignee:
            handl
            Reporter:
            handl
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              Created:
              Updated: