[OASIS Issue Tracker] Created: (ODATA-282) Support individual data modification statements within a batch without wrapping in a changeset

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

Support individual data modification statements within a batch without wrapping in a changeset
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                 Key: ODATA-282
                 URL: http://tools.oasis-open.org/issues/browse/ODATA-282
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: OData Protocol 
    Affects Versions: V4.0_WD01
         Environment: [Proposed]
            Reporter: Michael Pizzo
             Fix For: V4.0_WD01


Today the body of a batch request consists of multiple statements that are either individual data request statements or data modification statements grouped within a changeset. The semantics of the changeset are that the data modification statements within the changeset are atomic; either they all succeed or all fail. A batch can contain multiple changesets.

If the batch submitter wants to submit an individual data modification statement it must be wrapped in a changeset, which adds burden on the client and on the server that must then support changesets even if they don't support multiple atomic operations.

A simplification for the client that may better reflect server functionality would be the ability to include individual data modification statements within the batch, outside of a changeset. That way clients wouldn't have to wrap individual data modification requests in a changeset, and a server that didn't support atomic sets of multiple data modification statements wouldn't support changesets.

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