def get_last_tid(self):
        try:
            spec = {'tid': {'$gt': 0}}
            sort = [('tid', -1)]
            row = self.db.docs.find_one(spec, sort=sort)
        except Exception as e:
            raise DatabaseException(e)
        if row:
            return row['tid']
        return 0
def on_fuzzing_end_changed(self, value: int):
        self.ui.spinBoxFuzzingStart.setMaximum(self.ui.spinBoxFuzzingEnd.value())
        new_end = self.message.convert_index(value - 1, self.proto_view, 0, False)[1] + 1
        self.current_label.end = new_end
        self.current_label.fuzz_values[:] = []
        self.update_message_data_string()
        self.fuzz_table_model.update()
        self.ui.tblFuzzingValues.resize_me()