odata message

Subject: [OASIS Issue Tracker] Created: (ODATA-42) 8.2.5 If-None-Match: clarify use of If-None-Match in data modification or action requests

From: OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>
To: odata@lists.oasis-open.org
Date: Fri, 24 Aug 2012 08:53:32 -0400 (EDT)

8.2.5 If-None-Match: clarify use of If-None-Match in data modification or action requests
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                 Key: ODATA-42
                 URL: http://tools.oasis-open.org/issues/browse/ODATA-42
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: OData Protocol v1.0
    Affects Versions: WD01
            Reporter: Martin Zurmuehl
             Fix For: WD01


Use of If-None-Match with GET is clear: conditionally refresh caches.

Use of If-None-Match:* with PUT is to restrict the UPSERT behavior to true INSERT, for which OData already has POST ~/EntitySet, so this would just be an addition to ODATA-37.

Use of If-None-Match with an ETag value is unclear: it seems to be just a performance-optimized version of "ignore what other people told you and do what I tell you now".

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