fix: function clause

2024-03-25 16:40:53 +01:00 · 2024-03-25 16:40:53 +01:00 · c93145cb97
parent 3aff9eb2a4
commit c93145cb97
1 changed files with 3 additions and 1 deletions
--- a/apps/emqx/src/emqx_router.erl
+++ b/apps/emqx/src/emqx_router.erl
@ -686,9 +686,11 @@ deinit_schema() ->
 discover_cluster_schema_vsn() ->
    discover_cluster_schema_vsn(emqx:running_nodes() -- [node()]).

+-spec discover_cluster_schema_vsn([node()]) ->
+    {schemavsn() | undefined, _State :: [{node(), schemavsn() | undefined, _Details}]}.
 discover_cluster_schema_vsn([]) ->
    %% single node
-    undefined;
+    {undefined, []};
 discover_cluster_schema_vsn(Nodes) ->
    Responses = lists:zipwith(
        fun