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authorAdam Kocoloski <adam@cloudant.com>2010-06-15 13:38:44 -0400
committerAdam Kocoloski <adam@cloudant.com>2010-06-15 13:38:44 -0400
commit340f2240aa05f1d198610649a599210c87450863 (patch)
tree0b86b65d18516ea2a0601f7a85dc3e2bb35d9418 /src/fabric_rpc.erl
parent691908d1fa774ea8f90f44f0185d40c75a60c1f2 (diff)
updates to work w/ 0.11 btree option refactoring
Diffstat (limited to 'src/fabric_rpc.erl')
-rw-r--r--src/fabric_rpc.erl122
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) ->