Github user rnewson commented on a diff in the pull request:
https://github.com/apache/couchdb-couch/pull/167#discussion_r63335812
--- Diff: src/couch_key_tree.erl ---
@@ -280,25 +280,41 @@ get_key_leafs([{Pos, Tree}|Rest], Keys, Acc) ->
{Gotten, RemainingKeys} = get_key_leafs_simple(Pos, [Tree], Keys, []),
get_key_leafs(Rest, RemainingKeys, Gotten ++ Acc).
-get_key_leafs_simple(_Pos, _Tree, [], _KeyPathAcc) ->
+get_key_leafs_simple(_Pos, _Tree, [], _PathAcc) ->
{[], []};
-get_key_leafs_simple(_Pos, [], KeysToGet, _KeyPathAcc) ->
- {[], KeysToGet};
-get_key_leafs_simple(Pos, [{Key, _Value, SubTree}=Tree | RestTree],
KeysToGet, KeyPathAcc) ->
- case lists:delete({Pos, Key}, KeysToGet) of
- KeysToGet -> % same list, key not found
- {LeafsFound, KeysToGet2} = get_key_leafs_simple(Pos + 1, SubTree,
KeysToGet, [Key | KeyPathAcc]),
- {RestLeafsFound, KeysRemaining} = get_key_leafs_simple(Pos,
RestTree, KeysToGet2, KeyPathAcc),
- {LeafsFound ++ RestLeafsFound, KeysRemaining};
- KeysToGet2 ->
- LeafsFound = get_all_leafs_simple(Pos, [Tree], KeyPathAcc),
- LeafKeysFound = [{LeafPos, LeafRev} || {_, {LeafPos, [LeafRev|_]}}
- <- LeafsFound],
- KeysToGet3 = KeysToGet2 -- LeafKeysFound,
- {RestLeafsFound, KeysRemaining} = get_key_leafs_simple(Pos,
RestTree, KeysToGet3, KeyPathAcc),
- {LeafsFound ++ RestLeafsFound, KeysRemaining}
+get_key_leafs_simple(_Pos, [], Keys, _PathAcc) ->
+ {[], Keys};
+get_key_leafs_simple(Pos, [{Key, _, SubTree}=Tree | RestTree], Keys,
PathAcc) ->
+ NewPathAcc = [Key | PathAcc],
--- End diff --
I'm not clear why you pulled this up when it's only used once. Is this is a
tidy only or did you mean to use it at 298?
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