Add even more debug lines

src/ejabberd_sql_schema.erl

@@ -764,32 +764,40 @@ create_tables(Host, Module, SchemaInfo, Schema) ->
     store_version(Host, Module, Schema#sql_schema.version).
 
 should_update_schema(Host) ->
+    ?INFO_MSG("SQL Schema: should_update_schema for ~p?", [Host]), %+++
     SupportedDB =
         case ejabberd_option:sql_type(Host) of
             pgsql -> true;
             sqlite -> true;
             mysql -> true;
             _ -> false
         end,
+    ?INFO_MSG("SQL Schema: should_update_schema for ~p - 1 SupportedDb: ~p", [Host, SupportedDB]), %+++
     case ejabberd_option:update_sql_schema() andalso SupportedDB of
         true ->
+            ?INFO_MSG("SQL Schema: should_update_schema for ~p - 2", [Host]), %+++
             case ejabberd_sql:use_new_schema() of
                 true ->
+                    ?INFO_MSG("SQL Schema: should_update_schema for ~p - 3", [Host]), %+++
                     %% TODO: not efficient when there are many hosts
                     case lists:dropwhile(
                            fun(H) ->
                                    not lists:member(
                                      sql, ejabberd_option:auth_method(H))
                            end, ejabberd_option:hosts()) of
                         [Host | _] ->
+                            ?INFO_MSG("SQL Schema: should_update_schema for ~p - 4", [Host]), %+++
                             true;
                         _ ->
+                            ?INFO_MSG("SQL Schema: should_update_schema for ~p - 4 NO", [Host]), %+++
                             false
                     end;
                 false ->
+                    ?INFO_MSG("SQL Schema: should_update_schema for ~p - 3 NO", [Host]), %+++
                     true
             end;
         false ->
+            ?INFO_MSG("SQL Schema: should_update_schema for ~p - 2 NO", [Host]), %+++
             false
     end.