backport TECH-1293(mnesia)

src/mod_pubsub/mod_pubsub.erl

@@ -2623,13 +2623,15 @@ get_options_helper(JID, Lang, Node, NodeID, SubID, Type) ->
 
 read_sub(Subscriber, Node, NodeID, SubID, Lang) ->
     case pubsub_subscription:get_subscription(Subscriber, NodeID, SubID) of
-	{error, notfound} ->
-	    {error, extended_error(?ERR_NOT_ACCEPTABLE, "invalid-subid")};
 	{result, #pubsub_subscription{options = Options}} ->
 	    {result, XdataEl} = pubsub_subscription:get_options_xform(Lang, Options),
 	    OptionsEl = {xmlelement, "options", [{"jid", jlib:jid_to_string(Subscriber)},
-						 {"subid", SubID}|nodeAttr(Node)],
-			 [XdataEl]},
+				      {"subid", SubID}|nodeAttr(Node)],
+			         [XdataEl]},
+        PubsubEl = {xmlelement, "pubsub", [{"xmlns", ?NS_PUBSUB}], [OptionsEl]},
+            {result, PubsubEl};
+  _ -> OptionsEl = {xmlelement, "options", [{"jid", jlib:jid_to_string(Subscriber)},
+                      {"subid", SubID}|nodeAttr(Node)]},
             PubsubEl = {xmlelement, "pubsub", [{"xmlns", ?NS_PUBSUB}], [OptionsEl]},
             {result, PubsubEl}
     end.
@@ -2680,12 +2682,14 @@ set_options_helper(Configuration, JID, NodeID, SubID, Type) ->
 
 write_sub(_Subscriber, _NodeID, _SubID, invalid) ->
     {error, extended_error(?ERR_BAD_REQUEST, "invalid-options")};
+write_sub(_Subscriber, _NodeID, _SubID, []) ->
+    {result, []};
 write_sub(Subscriber, NodeID, SubID, Options) ->
     case pubsub_subscription:set_subscription(Subscriber, NodeID, SubID, Options) of
-	{error, notfound} ->
-	    {error, extended_error(?ERR_NOT_ACCEPTABLE, "invalid-subid")};
 	{result, _} ->
-	    {result, []}
+        {result, []};
+    {error, _} ->
+        {error, extended_error('not-acceptable', "invalid-subid")}
     end.
 
 %% @spec (Host, Node, JID, Plugins) -> {error, Reason} | {result, Response}

src/mod_pubsub/node_hometree.erl

@@ -97,9 +97,11 @@ init(_Host, _ServerHost, _Options) ->
     pubsub_subscription:init(),
     mnesia:create_table(pubsub_state,
 			[{disc_copies, [node()]},
+             {index, [nodeidx]},
 			 {attributes, record_info(fields, pubsub_state)}]),
     mnesia:create_table(pubsub_item,
 			[{disc_only_copies, [node()]},
+             {index, [nodeidx]},
 			 {attributes, record_info(fields, pubsub_item)}]),
     ItemsFields = record_info(fields, pubsub_item),
     case mnesia:table_info(pubsub_item, attributes) of
@@ -224,7 +226,7 @@ create_node_permission(Host, ServerHost, NodeId, _ParentNodeId, Owner, Access) -
 %% @doc <p></p>
 create_node(NodeIdx, Owner) ->
     OwnerKey = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
-    set_state(#pubsub_state{stateid = {OwnerKey, NodeIdx}, affiliation = owner}),
+    set_state(#pubsub_state{stateid = {OwnerKey, NodeIdx}, nodeidx = NodeIdx, affiliation = owner}),
     {result, {default, broadcast}}.
 
 %% @spec (Nodes) -> {result, {default, broadcast, Reply}}
@@ -507,6 +509,7 @@ publish_item(NodeIdx, Publisher, PublishModel, MaxItems, ItemId, Payload) ->
 					       payload = Payload};
 		       _ ->
 			   #pubsub_item{itemid = {ItemId, NodeIdx},
+                    nodeidx = NodeIdx,
 					creation = {Now, GenKey},
 					modification = PubId,
 					payload = Payload}
@@ -860,8 +863,8 @@ get_nodes_helper(NodeTree,
 %% ```get_states(NodeIdx) ->
 %%	   node_default:get_states(NodeIdx).'''</p>
 get_states(NodeIdx) ->
-    States = case catch mnesia:match_object(
-	       #pubsub_state{stateid = {'_', NodeIdx}, _ = '_'}) of
+    States = case catch mnesia:index_read(
+	       pubsub_state, NodeIdx, #pubsub_state.nodeidx) of
 	List when is_list(List) -> List;
 	_ -> []
     end,
@@ -875,8 +878,8 @@ get_states(NodeIdx) ->
 get_state(NodeIdx, JID) ->
     StateId = {JID, NodeIdx},
     case catch mnesia:read({pubsub_state, StateId}) of
-	[State] when is_record(State, pubsub_state) -> State;
-	_ -> #pubsub_state{stateid=StateId}
+    [#pubsub_state{} = State] -> State;
+	_ -> #pubsub_state{stateid=StateId, nodeidx=NodeIdx}
     end.
 
 %% @spec (State) -> ok | {error, Reason}
@@ -911,7 +914,7 @@ del_state(NodeIdx, JID) ->
 %% ```get_items(NodeIdx, From) ->
 %%	   node_default:get_items(NodeIdx, From).'''</p>
 get_items(NodeIdx, _From) ->
-    Items = mnesia:match_object(#pubsub_item{itemid = {'_', NodeIdx}, _ = '_'}),
+    Items = mnesia:index_read(pubsub_item, NodeIdx, #pubsub_item.nodeidx),
     {result, lists:reverse(lists:keysort(#pubsub_item.modification, Items))}.
 
 get_items(NodeIdx, JID, AccessModel, PresenceSubscription, RosterGroup, _SubId) ->

src/mod_pubsub/pubsub.hrl

@@ -136,8 +136,9 @@
   options = []
 }).
 
-%% @type pubsubState() = {pubsub_state, StateId, Items, Affiliation, Subscriptions}
+%% @type pubsubState() = {pubsub_state, StateId, NodeIdx, Items, Affiliation, Subscriptions}
 %%    StateId       = {ljid(), nodeIdx()}
+%%    NodeIdx       = nodeIdx(),
 %%    Items         = [itemId()]
 %%    Affiliation   = affiliation()
 %%    Subscriptions = [{subscription(), subId()}].
@@ -146,6 +147,7 @@
 -record(pubsub_state,
 {
   stateid,
+  nodeidx,
   items         = [],
   affiliation   = 'none',
   subscriptions = []
@@ -161,6 +163,7 @@
 -record(pubsub_item,
 {
   itemid,
+  nodeidx,
   creation     = {'unknown','unknown'},
   modification = {'unknown','unknown'},
   payload      = []

src/mod_pubsub/pubsub_subscription.erl

@@ -160,6 +160,8 @@ create_table() ->
 	Other			  -> Other
     end.
 
+add_subscription(_JID, _NodeID, []) ->
+    make_subid();
 add_subscription(_JID, _NodeID, Options) ->
     SubID = make_subid(),
     mnesia:write(#pubsub_subscription{subid = SubID, options = Options}),
@@ -174,11 +176,8 @@ read_subscription(_JID, _NodeID, SubID) ->
     _ -> {error, notfound}
     end.
 
-write_subscription(JID, NodeID, SubID, Options) ->
-    case read_subscription(JID, NodeID, SubID) of
-    {error, notfound} -> {error, notfound};
-    Sub -> mnesia:write(Sub#pubsub_subscription{options = Options})
-    end.
+write_subscription(_JID, _NodeID, SubID, Options) ->
+    mnesia:write(#pubsub_subscription{subid = SubID, options = Options}).
 
 make_subid() ->
     {T1, T2, T3} = now(),