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Subject: [OASIS Issue Tracker] Created: (ODATA-157) Specify how client correlates requests within a changeset with responses
Specify how client correlates requests within a changeset with responses ------------------------------------------------------------------------ Key: ODATA-157 URL: http://tools.oasis-open.org/issues/browse/ODATA-157 Project: OASIS Open Data Protocol (OData) TC Issue Type: Bug Components: OData Protocol v1.0 Environment: [Proposed] Reporter: Michael Pizzo Assignee: Michael Pizzo The current $batch specification says that requests within a changeset need not be processed in the same order they are specified. For example, a service may re-order changes to reduce the likelihood of integrity violations by first doing deletes, then inserts, then updates. It goes on to say that the responses in a changeset must be 1:1 with the requests, but does not say they must be in the same order, and does not say how a client correlates a response within a changeset with a particular request within that changeset. Changesets do describe the use of a content-id header for allowing a statement within a batch to reference the results of a previous statement within the batch. For example, to add an order to a customer that was added within the same batch. However, it does not say that it is mandatory for the client to specify the content-id header for requests within a batch, nor does it say that it is mandatory for a service to return content-id headers supplied within the batch. It seems simplest to say that clients SHOULD specify a content-id header for requests within a changeset, and that service MUST return the content-id (if any) specified by the client. This allows the service to re-order changes within the changeset without having to buffer the response, and is arguably simpler for the client to correlate responses without having to rely on ordering. -- 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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