diff options
Diffstat (limited to 'src/fabric_rpc.erl')
-rw-r--r-- | src/fabric_rpc.erl | 122 |
1 files changed, 38 insertions, 84 deletions
diff --git a/src/fabric_rpc.erl b/src/fabric_rpc.erl index 26aebfb5..c9bfb7d2 100644 --- a/src/fabric_rpc.erl +++ b/src/fabric_rpc.erl @@ -13,7 +13,6 @@ offset = nil, total_rows, reduce_fun = fun couch_db:enum_docs_reduce_to_count/1, - stop_fun, group_level = 0 }). @@ -25,21 +24,27 @@ all_docs(DbName, #view_query_args{keys=nil} = QueryArgs) -> #view_query_args{ start_key = StartKey, start_docid = StartDocId, + end_key = EndKey, + end_docid = EndDocId, limit = Limit, skip = Skip, include_docs = IncludeDocs, - direction = Dir + direction = Dir, + inclusive_end = Inclusive } = QueryArgs, - StartId = if is_binary(StartKey) -> StartKey; true -> StartDocId end, {ok, Total} = couch_db:get_doc_count(Db), Acc0 = #view_acc{ db = Db, include_docs = IncludeDocs, limit = Limit+Skip, - total_rows = Total, - stop_fun = all_docs_stop_fun(QueryArgs) + total_rows = Total }, - Options = [{start_key, StartId}, {dir, Dir}], + EndKeyType = if Inclusive -> end_key; true -> end_key_gt end, + Options = [ + {dir, Dir}, + {start_key, if is_binary(StartKey) -> StartKey; true -> StartDocId end}, + {EndKeyType, if is_binary(EndKey) -> EndKey; true -> EndDocId end} + ], {ok, _, Acc} = couch_db:enum_docs(Db, fun view_fold/3, Acc0, Options), final_response(Total, Acc#view_acc.offset). @@ -68,17 +73,13 @@ changes(DbName, Args0, StartSeq) -> map_view(DbName, DDoc, ViewName, QueryArgs) -> {ok, Db} = couch_db:open(DbName, []), #view_query_args{ - start_key = StartKey, - start_docid = StartDocId, limit = Limit, skip = Skip, keys = Keys, include_docs = IncludeDocs, - direction = Dir, stale = Stale, view_type = ViewType } = QueryArgs, - Start = {StartKey, StartDocId}, MinSeq = if Stale == ok -> 0; true -> couch_db:get_update_seq(Db) end, Group0 = couch_view_group:design_doc_to_view_group(Db, DDoc), {ok, Pid} = gen_server:call(couch_view, {get_group_server, DbName, Group0}), @@ -90,21 +91,18 @@ map_view(DbName, DDoc, ViewName, QueryArgs) -> include_docs = IncludeDocs, limit = Limit+Skip, total_rows = Total, - reduce_fun = fun couch_view:reduce_to_count/1, - stop_fun = default_stop_fun(QueryArgs) + reduce_fun = fun couch_view:reduce_to_count/1 }, case Keys of nil -> - Options = [{start_key, Start}, {dir, Dir}], + Options = couch_httpd_view:make_key_options(QueryArgs), {ok, _, Acc} = couch_view:fold(View, fun view_fold/3, Acc0, Options); _ -> Acc = lists:foldl(fun(Key, AccIn) -> - KeyStart = {Key, StartDocId}, - KeyStop = default_stop_fun(QueryArgs#view_query_args{start_key=Key, - end_key=Key}), - Options = [{start_key, KeyStart}, {dir, Dir}], - {_Go, _, Out} = couch_view:fold(View, fun view_fold/3, - AccIn#view_acc{stop_fun = KeyStop}, Options), + KeyArgs = QueryArgs#view_query_args{start_key=Key, end_key=Key}, + Options = couch_httpd_view:make_key_options(KeyArgs), + {_Go, _, Out} = couch_view:fold(View, fun view_fold/3, AccIn, + Options), Out end, Acc0, Keys) end, @@ -113,10 +111,6 @@ map_view(DbName, DDoc, ViewName, QueryArgs) -> reduce_view(DbName, Group0, ViewName, QueryArgs) -> {ok, Db} = couch_db:open(DbName, []), #view_query_args{ - start_key = StartKey, - start_docid = StartDocId, - end_key = EndKey, - end_docid = EndDocId, group_level = GroupLevel, limit = Limit, skip = Skip, @@ -135,14 +129,16 @@ reduce_view(DbName, Group0, ViewName, QueryArgs) -> Options0 = [{key_group_fun, GroupFun}, {dir, Dir}], case Keys of nil -> - Options = [{start_key, {StartKey,StartDocId}}, - {end_key, {EndKey,EndDocId}} | Options0], + Options0 = couch_httpd_view:make_key_options(QueryArgs), + Options = [{key_group_fun, GroupFun} | Options0], couch_view:fold_reduce(ReduceView, fun reduce_fold/3, Acc0, Options); _ -> - - [couch_view:fold_reduce(ReduceView, fun reduce_fold/3, Acc0, - [{start_key,{K,StartDocId}}, {end_key,{K,EndDocId}} | Options0]) - || K <- Keys] + lists:map(fun(Key) -> + KeyArgs = QueryArgs#view_query_args{start_key=Key, end_key=Key}, + Options0 = couch_httpd_view:make_key_options(KeyArgs), + Options = [{key_group_fun, GroupFun} | Options0], + couch_view:fold_reduce(ReduceView, fun reduce_fold/3, Acc0, Options) + end, Keys) end, rexi:reply(complete). @@ -231,35 +227,20 @@ view_fold({{Key,Id}, Value}, _Offset, Acc) -> #view_acc{ db = Db, limit = Limit, - include_docs = IncludeDocs, - stop_fun = PassedEnd + include_docs = IncludeDocs } = Acc, - case PassedEnd(Key, Id) of - true -> - {stop, Acc}; - false -> - Doc = if not IncludeDocs -> undefined; true -> - case couch_db:open_doc(Db, Id, []) of - {not_found, deleted} -> - null; - {not_found, missing} -> - undefined; - {ok, Doc0} -> - couch_doc:to_json_obj(Doc0, []) - end - end, - rexi:sync_reply(#view_row{key=Key, id=Id, value=Value, doc=Doc}), - {ok, Acc#view_acc{limit=Limit-1}} - end. - -all_docs_stop_fun(#view_query_args{direction=fwd, end_key=EndKey}) -> - fun(ViewKey, _) -> - couch_db_updater:less_docid(EndKey, ViewKey) - end; -all_docs_stop_fun(#view_query_args{direction=rev, end_key=EndKey}) -> - fun(ViewKey, _) -> - couch_db_updater:less_docid(ViewKey, EndKey) - end. + Doc = if not IncludeDocs -> undefined; true -> + case couch_db:open_doc(Db, Id, []) of + {not_found, deleted} -> + null; + {not_found, missing} -> + undefined; + {ok, Doc0} -> + couch_doc:to_json_obj(Doc0, []) + end + end, + rexi:sync_reply(#view_row{key=Key, id=Id, value=Value, doc=Doc}), + {ok, Acc#view_acc{limit=Limit-1}}. final_response(Total, nil) -> case rexi:sync_reply({total_and_offset, Total, Total}) of ok -> @@ -268,33 +249,6 @@ final_response(Total, nil) -> final_response(_Total, _Offset) -> rexi:reply(complete). -default_stop_fun(#view_query_args{direction=fwd, inclusive_end=true} = Args) -> - #view_query_args{end_key=EndKey, end_docid=EndDocId} = Args, - fun(ViewKey, ViewId) -> - couch_view:less_json([EndKey, EndDocId], [ViewKey, ViewId]) - end; -default_stop_fun(#view_query_args{direction=fwd} = Args) -> - #view_query_args{end_key=EndKey, end_docid=EndDocId} = Args, - fun - (ViewKey, _ViewId) when ViewKey == EndKey -> - true; - (ViewKey, ViewId) -> - couch_view:less_json([EndKey, EndDocId], [ViewKey, ViewId]) - end; -default_stop_fun(#view_query_args{direction=rev, inclusive_end=true} = Args) -> - #view_query_args{end_key=EndKey, end_docid=EndDocId} = Args, - fun(ViewKey, ViewId) -> - couch_view:less_json([ViewKey, ViewId], [EndKey, EndDocId]) - end; -default_stop_fun(#view_query_args{direction=rev} = Args) -> - #view_query_args{end_key=EndKey, end_docid=EndDocId} = Args, - fun - (ViewKey, _ViewId) when ViewKey == EndKey -> - true; - (ViewKey, ViewId) -> - couch_view:less_json([ViewKey, ViewId], [EndKey, EndDocId]) - end. - group_rows_fun(exact) -> fun({Key1,_}, {Key2,_}) -> Key1 == Key2 end; group_rows_fun(0) -> |