Support HTTP POST for the change notification filter API
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Key: COUCHDB-735
URL: https://issues.apache.org/jira/browse/COUCHDB-735
Project: CouchDB
Issue Type: Improvement
Components: HTTP Interface
Affects Versions: 0.11
Reporter: Ning Tan
Currently the change notification filters only support HTTP GET. This limits
their usefulness for cases where the filter criteria passed in exceed URL query
length limitations. If the API supports HTTP POST, the filter function can then
inspect the BODY of the request for filtering criteria.
I started a discussion on the mailing list here:
http://mail-archives.apache.org/mod_mbox/couchdb-user/201004.mbox/browser.
Chris suggested that I modify the change API to support POST (in the Erlang
code) myself as an experiment. I was able to verify that the filter function
was able to see the BODY of the request. However, the changes feed (with the
filtering function) hangs whenever there is a BODY in the request (for both GET
and POST verbs).
I'm attaching a patch that contains the change Chris proposed as well as the
updated Futon JavaScript test file for the changes API. The test currently
times out (and fails). It should work once the feature is implemented.
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