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Subject: [OASIS Issue Tracker] Updated: (ODATA-539) Delta response encoding is unnecessarily verbose and change type is missing when odata.metadata=none
[ http://tools.oasis-open.org/issues/browse/ODATA-539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Pizzo updated ODATA-539:
--------------------------------
Environment: [Proposed][No additional action] (was: [Proposed])
> Delta response encoding is unnecessarily verbose and change type is missing when odata.metadata=none
> ----------------------------------------------------------------------------------------------------
>
> Key: ODATA-539
> URL: http://tools.oasis-open.org/issues/browse/ODATA-539
> Project: OASIS Open Data Protocol (OData) TC
> Issue Type: Improvement
> Components: OData ATOM Format , OData JSON Format, OData Protocol
> Affects Versions: V4.0_CS01
> Environment: [Proposed][No additional action]
> Reporter: Evan Ireland
> Fix For: V4.0_CSD03
>
>
> For a number of reasons, the encoding of delta responses is unnecessarily verbose, which will result in excessive network and CPU utilization, particularly for offline-enabled mobile devices.
> (1) To distinguish between changed entity, deleted entity, changed link, or deleted link requires use of the Context URL which, as described in ODATA-538, can be unnecessarily verbose.
> (2) The "id" in deleted entities and the "source"/"target" in added/deleted links is not required to use a relative URL, and clients cannot control whether the server will or will not use relative URLs.
> Additionally, if odata.metadata=none, clients may be unable to decode delta responses, since odata.context may be omitted in that case. Interestingly, odata.deltaLink cannot be omitted from the response, although a delta response without change type for each of the included changes would be useless to a client.
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