if groups:
            return db.query(Schedule).\
                filter((Schedule.nodesinclude.any(ScheduleNodeInclude.node == self.name)
                        | Schedule.groupsinclude.any(ScheduleGroupInclude.group.in_(groups)))
                       & ~(Schedule.nodesexclude.any(ScheduleNodeExclude.node == self.name))
                       & ~(Schedule.groupsexclude.any(ScheduleGroupExclude.group.in_(groups)))).all()
        else:
            return db.query(Schedule).\
                filter(Schedule.nodesinclude.any(ScheduleNodeInclude.node == self.name)
                       & ~(Schedule.nodesexclude.any(ScheduleNodeExclude.node == self.name))).all()