[jira] [Created] (COUCHDB-1852) Last-Event-ID header should be honoured in eventsource _changes feed

["Damjan Georgievski (JIRA)" <ji...@apache.org>]

Damjan Georgievski created COUCHDB-1852:
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             Summary: Last-Event-ID header should be honoured in eventsource _changes feed
                 Key: COUCHDB-1852
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1852
             Project: CouchDB
          Issue Type: Bug
          Components: HTTP Interface
            Reporter: Damjan Georgievski


When using the EventSource _changes feed support, the browser API will automatically reconnect and send the last sequence it received in the Last-Event-ID header.

The server side needs to use the Last-Event-ID instead of the 'since' query string as a starting point for the changes feed.


You can see the issue by simply creating a database and adding documents and watching what happens to the eventsource _changes feed.

To see the feed with curl use:
{{curl -i -H 'Last-Event-ID: 2' 'http://localhost:5984/testdb/_changes?feed=eventsource'}}
the header should also have priority over the since query string:
{{curl -i -H 'Last-Event-ID: 2' 'http://localhost:5984/testdb/_changes?feed=eventsource?since=1'}}

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