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Subject: [OASIS Issue Tracker] (ODATA-716) Upsert does not work with OptimisticConcurrency
Ralf Handl created ODATA-716: -------------------------------- Summary: Upsert does not work with OptimisticConcurrency Key: ODATA-716 URL: https://issues.oasis-open.org/browse/ODATA-716 Project: OASIS Open Data Protocol (OData) TC Issue Type: Bug Components: OData Protocol Affects Versions: V4.0_OS Reporter: Ralf Handl Fix For: V4.0_ERRATA01 Upsert allows constructing a resource path and providing a desired after-image. If the request is executed successfully, the identified entity will exist and look somewhat similar to the desired after-image. Unfortunately this does not combine with optimistic concurrency. If an operation on an entity requires an ETag, then services MUST refuse requests without an If-Match header. If the client doesn't know (or care) whether the entity already exists, it cannot produce a valid If-Match header, because even the wildcard * does not work: HTTP defines that if the field-value is "*", the condition is false if the origin server does not have a current representation for the target resource, i.e. it is false if the entity does not yet exist. I don't see a way to make upsert work in combination with ETags. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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