Introduction to Databases in Python
Jason Myers
Co-Author of Essential SQLAlchemy and Software Engineer
fetchmany() umožňuje určit počet řádků, se kterými chceme pracovatfetchmany() lze iterovatResultProxy uzavřítwhile more_results:partial_results = results_proxy.fetchmany(50)if partial_results == []: more_results = Falsefor row in partial_results: state_count[row.state] += 1results_proxy.close()
Introduction to Databases in Python