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From "Stephane Alnet (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1555) Let _list generate its own Etag
Date Fri, 05 Oct 2012 04:58:50 GMT
Stephane Alnet created COUCHDB-1555:
---------------------------------------

             Summary: Let _list generate its own Etag
                 Key: COUCHDB-1555
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1555
             Project: CouchDB
          Issue Type: Improvement
          Components: View Server Support
    Affects Versions: 1.2, 1.3
            Reporter: Stephane Alnet


As described in COUCHDB-1155, if a _list function generates dynamic content that is not idempotent
with regards to the parameters used by to generate the Etag, there is no valid way for that
function to specify an alternate Etag.

The present request is to allow such functions to either (a) send back an Etag header which
will supersede the Etag header computed by the view server and will be used as the opaque
Etag string of RFC2616 section 3.11 [1], or (b) allow the function to send back some value
that will be combined with the other (existing) Etag parameters to compute the Etag header,
or (c) send back a flag indicating that the Etag header should be computed based on the output
of the function, not the regular Etag parameters.

[1] http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.11

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