Design documents in bulk inserts cause change in behavior for normal documents 
in same bulk insert
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                 Key: COUCHDB-1185
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1185
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 0.11
            Reporter: Nuutti Kotivuori


First, a reproduction recipe:

$ curl -X PUT http://localhost:5984/repltest
{"ok":true}
$ curl -H "Content-type: application/json" -X PUT --data '{"_id":"_design/a"}' 
http://localhost:5984/repltest/_design/a
{"ok":true,"id":"_design/a","rev":"1-967a00dff5e02add41819138abb3284d"}
$ curl -H "Content-type: application/json" -X POST --data 
'{"docs":[{"_id":"_design/a","_rev":"1-967a00dff5e02add41819138abb3284d"},{"_id":"b","_rev":"1-2f4a8d26d103e914167052aea70a5031"}]}'
 http://localhost:5984/repltest/_bulk_docs
[{"id":"_design/a","rev":"2-7051cbe5c8faecd085a3fa619e6e6337"},{"id":"b","error":"conflict","reason":"Document
 update conflict."}]
$ curl -H "Content-type: application/json" -X POST --data 
'{"docs":[{"_id":"b","_rev":"1-2f4a8d26d103e914167052aea70a5031"}]}' 
http://localhost:5984/repltest/_bulk_docs
[{"id":"b","rev":"2-4d0fe113895b8471147756712e3f42bb"}]

The first post failed, because it had a design document update in it, where as 
the second succeeded when it didn't. The first post succeeds if the other 
inserted document does not have "_rev" member.

So, having a design document in a bulk inserts causes document conflicts for 
documents that have "_rev" set that are missing from the database currently.

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