def insert(self, token_per_file_object): method_name = 'TokenPerFileMapper.insert' log.info('{}: initialization.'.format(method_name)) query = TokensPerFile.insert(file_id=token_per_file_object.file_id, token_id=token_per_file_object.token_id, count=token_per_file_object.count) query.execute() log.info('{}: end.'.format(method_name)) return token_per_file_object