Add local database connection if no conn is set

Author: mblaschke

sync/database.go

@@ -10,6 +10,11 @@ func (database *Database) ApplyDefaults(server *Server) {
 if database.Connection == nil {
 database.Connection = server.Connection.Clone()
 }
+
+// default local connection
+if database.Local.Connection == nil {
+database.Local.Connection = &YamlCommandBuilderConnection{}
+}
 }
 
 func (database *Database) GetType() (dbtype string) {