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Subject: [OASIS Issue Tracker] (ODATA-749) What should service return when attempting to related two entities that are already related?
Michael Pizzo created ODATA-749: ----------------------------------- Summary: What should service return when attempting to related two entities that are already related? Key: ODATA-749 URL: https://issues.oasis-open.org/browse/ODATA-749 Project: OASIS Open Data Protocol (OData) TC Issue Type: Bug Components: OData Protocol Affects Versions: V4.0_ERRATA02 Environment: [Proposed] Reporter: Michael Pizzo Priority: Minor Fix For: V4.0_ERRATA03 OData v4 protocol discusses how to add to the reference collection in a navigation property here: 188.8.131.52 Add a Reference to a Collection-Valued Navigation Property “A successful POST request to a navigation property's references collection adds a relationship to an existing entity. The request body MUST contain a single entity reference that identifies the entity to be added. See the appropriate format document for details. On successful completion, the response MUST be 204 No Content and contain an empty body.” It does not discuss what should happen if that reference already exists. Should this succeed as a no-op or should the service throw an error saying the record already exists? -- This message was sent by Atlassian JIRA (v6.2.2#6258)