Stephane Alnet created COUCHDB-1555:
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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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