[OASIS Issue Tracker] (ODATA-757) Add an OData specific header If-Metadata-Match

[ https://issues.oasis-open.org/browse/ODATA-757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ralf Handl updated ODATA-757:
-----------------------------

    Fix Version/s: V4.01_WD01
                       (was: V4.2_WD01)

> Add an OData specific header If-Metadata-Match
> ----------------------------------------------
>
>                 Key: ODATA-757
>                 URL: https://issues.oasis-open.org/browse/ODATA-757
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData Protocol
>    Affects Versions: V4.0_CS01
>            Reporter: Matthew Borges
>            Priority: Minor
>             Fix For: V4.01_WD01
>
>
> We should discuss adding an OData specific header (such as If-Metadata-Match) that can be used to conditionally control response/requests based on the Metadata ETag.  Two examples:
> 1) Only perform a POST if the metadata for the inserted entity type has not changed.
> 2) Only return a delta response if the metadata has not changed.



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