def execute_sql_and_fetchone(self, sql, parameters=()):
        return self.execute_sql(sql, parameters).fetchone()
update() extends rather than replaces existing key lists. Also accepts keyword args.
dataset/ETHPy150Open Relrin/aiorest-ws/aiorest_ws/db/backends/sqlite3/managers.py/SQLiteManager.execute_sql_and_fetchone--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/utils/datastructures.py/MultiValueDict.update