pubsub_subscription may is not used (migration is optional)

diff --git a/src/pubsub_migrate.erl b/src/pubsub_migrate.erl
index e180673be1202ee629df2f35f031160a87ac26b3..ba5735a302d10809d69f36efb768257696b57304 100644 (file)
--- a/src/pubsub_migrate.erl
+++ b/src/pubsub_migrate.erl
@@ -311,7 +311,7 @@ update_state_database(_Host, _ServerHost) ->
                                   [] ->
                                       [];
                                   _ ->
-                                      {result, SubID} = pubsub_subscription:subscribe_node(JID, NodeID, []),
+                                      SubID = pubsub_subscription:make_subid(),
                                       [{Sub, SubID}]
                               end,
                        NewState = #pubsub_state{stateid       = {JID, NodeID},
@@ -399,7 +399,7 @@ convert_list_nodes() ->
        end).
 
 convert_list_subscriptions() ->
-    convert_list_records(
+    [convert_list_records(
        pubsub_subscription,
        record_info(fields, pubsub_subscription),
        fun(#pubsub_subscription{subid = I}) -> I end,
@@ -407,7 +407,7 @@ convert_list_subscriptions() ->
                                 options = Opts} = R) ->
            R#pubsub_subscription{subid = bin(I),
                                  options = Opts}
-       end).
+       end) || lists:member(pubsub_subscription, mnesia:system_info(tables))].
 
 convert_list_lasts() ->
     convert_list_records(