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Subject: [OASIS Issue Tracker] Created: (ODATA-412) Consistent representation of empty values
Consistent representation of empty values ----------------------------------------- Key: ODATA-412 URL: http://tools.oasis-open.org/issues/browse/ODATA-412 Project: OASIS Open Data Protocol (OData) TC Issue Type: Improvement Components: OData ATOM Format , OData JSON Format, OData Protocol Affects Versions: V4.0_CSD01 Environment: [Proposed] Reporter: Ralf Handl Fix For: V4.0_CSD02 We currently use different representations for empty values. The consistent cases are: - empty collections of primitive values, complex values, and entities are represented with 200 OK and the format-specific representation of an empty collection of the appropriate type (<m:value/>, <atom:feed/>, {"value":[]}) - empty primitive values in Atom and JSON are represented with 200 OK and the format-specific representation of a null value (<m:value m:null="true"/> or {"value":null}) - empty complex values in Atom are represented with 200 OK and the Atom representation of a null value (<m:value m:null="true"/>) The exceptions are: - empty single entity is currently represented with 204 No Content - empty complex property is represented with 200 OK and a special NULL payload in JSON ({"odata.metadata": "http://host/service/$metadata#Edm.Null"}) The first exception is because an atom:entry cannot be empty, the second is because we wanted(?) to represent complex type instances as JSON objects without a {"value:...} wrapper and thus need a special representation of an "unwrapped null value". -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://tools.oasis-open.org/issues/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
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