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Subject: [OASIS Issue Tracker] (ODATA-928) Allow client to use OData-SchemaVersion header to indicate the metadata version it is using
[ https://issues.oasis-open.org/browse/ODATA-928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Pizzo updated ODATA-928:
--------------------------------
Proposal:
See accepted proposal in comments:
Client can set an OData-SchemaVersion header in requests.
Server may (these are example possibilities, possibilities, not requirements) use this information in a number of ways:
(1) Refuse requests from the client if the server's metadata version is now incompatible with the version the client has indicated it is using.
(2) Include extra metadata in responses, e.g. "@odata.type" for properties which weren't in the client's versin of the metadata, but now exist in the server's version (e.g. this allows the client to correctly treat those properties as dynamic, while knowing their proper type).
was:
Client can set an OData-SchemaVersion header in requests.
Server may (these are example possibilities, possibilities, not requirements) use this information in a number of ways:
(1) Refuse requests from the client if the server's metadata version is now incompatible with the version the client has indicated it is using.
(2) Include extra metadata in responses, e.g. "@odata.type" for properties which weren't in the client's versin of the metadata, but now exist in the server's version (e.g. this allows the client to correctly treat those properties as dynamic, while knowing their proper type).
> Allow client to use OData-SchemaVersion header to indicate the metadata version it is using
> -------------------------------------------------------------------------------------------
>
> Key: ODATA-928
> URL: https://issues.oasis-open.org/browse/ODATA-928
> Project: OASIS Open Data Protocol (OData) TC
> Issue Type: New Feature
> Components: OData Protocol
> Affects Versions: V4.01_WD01
> Reporter: Evan Ireland
> Priority: Minor
> Fix For: V4.01_WD01
>
>
> Once we define a standard annotation term to allow the metadata author to define a schema version, it would be extremely useful for clients to be able to indicate to the server which version of the metadata document the client is working with (since no matter when the client received the metadata, it may since have changed at the server).
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