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Subject: [OASIS Issue Tracker] Created: (ODATA-34) Control verbosity of $metadata response: include annotations or documentation
Control verbosity of $metadata response: include annotations or documentation
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Key: ODATA-34
URL: http://tools.oasis-open.org/issues/browse/ODATA-34
Project: OASIS Open Data Protocol (OData) TC
Issue Type: New Feature
Components: OData CSDL v1.0, OData Protocol v1.0, OData URL Conventions v1.0
Affects Versions: WD01
Reporter: Ralf Handl
Fix For: WD01
Metadata documents may contain Documentation, ValueAnnotation and TypeAnnotation elements that quite increase the size of the document.
It is desirable for (especially mobile) clients to control the size of the response and include e.g. only annotations of vocabularies the client can understand.
This may be done via headers (Prefer, Accept?), system query options, or by exposing $metadata as an OData service itself:
GET ~/$metadata/EntityTypes('Model.Person')?$expand=Annotations
Ideally combined with filtering on expanded entities, see ODATA-32.
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