eiri commented on a change in pull request #1862: Fix fabric_open_doc_revs
URL: https://github.com/apache/couchdb/pull/1862#discussion_r248017037
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File path: src/fabric/src/fabric_doc_open_revs.erl
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@@ -260,22 +259,59 @@ tree_format_replies(RevTree) ->
dict_format_replies(Dict) ->
- lists:sort([Reply || {_, {Reply, _}} <- Dict]).
-
-filter_reply(Replies) ->
- AllFoundRevs = lists:foldl(fun
- ({{{not_found, missing}, _}, _}, Acc) ->
- Acc;
- ({{_, {Pos, [Rev | _]}}, _}, Acc) ->
- [{Pos, Rev} | Acc]
- end, [], Replies),
- %% keep not_found replies only for the revs that don't also have doc reply
- lists:filter(fun
- ({{{not_found, missing}, Rev}, _}) ->
- not lists:member(Rev, AllFoundRevs);
- (_) ->
- true
- end, Replies).
+ Replies0 = [Reply || {_, {Reply, _}} <- Dict],
+
+ AllFoundRevs = lists:foldl(fun(Reply, Acc) ->
+ case Reply of
+ {ok, #doc{revs = {Pos, [RevId | _]}}} ->
+ [{Pos, RevId} | Acc];
+ _ ->
+ Acc
+ end
+ end, [], Replies0),
+
+ %% Drop any not_found replies for which we
+ %% found the revision on a different node.
+ Replies1 = lists:filter(fun(Reply) ->
+ case Reply of
+ {{not_found, missing}, Rev} ->
Review comment:
Can this one be a `{not_found, deleted}`?
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