[OASIS Issue Tracker] (ODATA-1581) Clarify duplicate properties in JSON Batch payload

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

Michael Pizzo created ODATA-1581:
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             Summary: Clarify duplicate properties in JSON Batch payload
                 Key: ODATA-1581
                 URL: https://issues.oasis-open.org/browse/ODATA-1581
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: JSON Format
    Affects Versions: V4.01_OS
         Environment: How should duplicate properties (i.e., id, method, url, header, dependsOn, atomicityGroup, body, if) in a JSON Batch payload be handled?

Most of these (id, method, url, atomicityGroup, body) should pretty clearly be errors as they are single-valued. However,Â[RFC2616Â|https://www.rfc-editor.org/rfc/rfc2616#section-4.2]allows the same header to appear multiple times in a request only if the header value is a coma-separated list of values, and states that the multiple headers is equivalent to a single header with the values appended, in order, separated by comas. So, a service *could*Âallow the "header" property to appear multiple times and append the values. We could do the same thing with dependsOn, and even if.

Or, we could keep it simple and say that a client must not specify any of these properties more than once.
            Reporter: Michael Pizzo
             Fix For: V4.01_ERRATA01






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