anchor.diff:      db_attachment_req(Req, Db, DocId, FileNameParts).
   
   all_docs_view(Req, Db, Keys) ->
  -    % measure the time required to generate the etag, see if it's worth it
  -    T0 = os:timestamp(),
  -    {ok, Info} = fabric:get_db_info(Db),
  -    Etag = couch_httpd:make_etag(Info),
  -    DeltaT = timer:now_diff(os:timestamp(), T0) / 1000,
  -    couch_stats_collector:record({couchdb, dbinfo}, DeltaT),
  -    QueryArgs = chttpd_view:parse_view_params(Req, Keys, map),
  -    chttpd:etag_respond(Req, Etag, fun() ->
  -        {ok, Resp} = chttpd:start_delayed_json_response(Req, 200, [{"Etag",Etag}]),
  -        fabric:all_docs(Db, fun all_docs_callback/2, {nil, Resp}, QueryArgs)
  -    end).
  -
  -all_docs_callback({total_and_offset, Total, Offset}, {_, Resp}) ->
  -    Chunk = "{\"total_rows\":~p,\"offset\":~p,\"rows\":[\r\n",
  -    {ok, Resp1} = chttpd:send_delayed_chunk(Resp, io_lib:format(Chunk, [Total, Offset])),
  -    {ok, {"", Resp1}};
  -all_docs_callback({row, Row}, {Prepend, Resp}) ->
  -    {ok, Resp1} = chttpd:send_delayed_chunk(Resp, [Prepend, ?JSON_ENCODE(Row)]),
  -    {ok, {",\r\n", Resp1}};
  -all_docs_callback(complete, {_, Resp}) ->
  -    {ok, Resp1} = chttpd:send_delayed_chunk(Resp, "\r\n]}"),
  -    chttpd:end_delayed_json_response(Resp1);
  -all_docs_callback({error, Reason}, {_, Resp}) ->
  -    chttpd:send_delayed_error(Resp, Reason).
  +    Args0 = couch_mrview_http:parse_params(Req, Keys),
  +    ETagFun = fun(Sig, Acc0) ->
  +        couch_mrview_http:check_view_etag(Sig, Acc0, Req)
  +    end,
  +    Args = Args0#mrargs{preflight_fun=ETagFun},
  +    {ok, Resp} = couch_httpd:etag_maybe(Req, fun() ->
  +        VAcc0 = #vacc{db=Db, req=Req},
  +        fabric:all_docs(Db, fun couch_mrview_http:view_cb/2, VAcc0, Args)
  +    end),
  +    case is_record(Resp, vacc) of
  +        true -> {ok, Resp#vacc.resp};
  +        _ -> {ok, Resp}
  +    end.
   
   db_doc_req(#httpd{method='DELETE'}=Req, Db, DocId) ->
       % check for the existence of the doc to handle the 404 case.
  
positive.code: bad_action_req(#httpd{path_parts=[_, _, Name|FileNameParts]}=Req, Db, _DDoc) ->
      db_attachment_req(Req, Db, <<"_design/",Name/binary>>, FileNameParts).
  
  handle_design_info_req(#httpd{method='GET'}=Req, Db, #doc{id=Id} = DDoc) ->
      {ok, GroupInfoList} = fabric:get_view_group_info(Db, DDoc),
      send_json(Req, 200, {[
          {name,  Id},
          {view_index, {GroupInfoList}}
      ]});
  
  
negative.code: 
  -module(chttpd_db).
  -include_lib("couch/include/couch_db.hrl").
  -include_lib("couch_mrview/include/couch_mrview.hrl").
  
  -export([handle_request/1, handle_compact_req/2, handle_design_req/2,
      db_req/2, couch_doc_open/4,handle_changes_req/2,
  