insert_many(data).execute()2|2update 更新if __name__ == "__main__": import logging import time logger = logging.getLogger('peewee') logger.propagate = False logger.addHandler(logging.StreamHandler()) logger.setLevel(logging.DEBUG) start = time.time() for user in users: User.update(age...
p.id= 1p.save() 2⃣️用update()来更新数据,一般会搭配where()使用 update()where() #更新birthday数据q = Person.update({Person.birthday: date(1993, 1, 19)}).where(Person.name =='xxx') q.execute() q=Person.update({'birthday': date(1993, 1, 19) }).where(Person.name=='xxx')...
python def update_user(user: User): try: User.update(__data={ 'user_name': user.user_name, 'user_code': user.user_code, }).where(User.id == user.id).execute() except Exception as e: logger.error("编辑用户{}信息失败, {}".format(user.id, e.__cause__)) raise CustomException...
2⃣️用update()来更新数据,一般会搭配where()使用# 更新birthday数据 q = Person.update({Person.birthday: date(1993, 1, 19)}).where(Person.name == 'xxx') q.execute() q = Person.update({ 'birthday': date(1993, 1, 19) }).where(Person.name == 'xxx') q.execute()...
这个例子,第一次执行的 是INSERT,第二次是UPDATE。 这里解释一下, 这个模型,我并没有指定主键,peewee会自动增加一个名为id的自增列作为主键。在执行第一个 方法的时候,主键没值,所以执行INSERT, 方法执行之后,自增列的值就返回并赋给了模型实例,所以第二次调用 执行的是UPDATE。
peewee Peewee is a simple and small ORM. It has few (but expressive) concepts, making it easy to learn and intuitive to use. a small, expressive ORM python 2.7+ and 3.4+ supports sqlite, mysql, mariadb, postgresql.
>>> query = Tweet.update(is_published=True).where(Tweet.creation_date < today) >>> query.execute() # Returns the number of rows that were updated. 4 1. 2. 3. 4. 查询 单条记录查询 你可以通过Model.get()方法查询到给条件的数据。如果是通过主键查找,也可以用一个快捷方法 Model.get_by_...
query = Note.update(created=datetime.date(2018, 10, 27)).where(Note.id == 1) n = query.execute() print('# of rows updated: {}'.format(n)) The example modifies the creation date of the note with Id 1. Peewee one-to-many relationship ...
User.insert_many(data_source, field) ) result = await user.object.get(User.select(User.uid, User.integral).where(User.uname == 'Doreis')) """使用async关键字开启事务""" async with user.trans(): """更新数据""" await user.object.execute(User.update( integral=result.integral+100 ).whe...
() # 修改 School.update({'grade':'三年级'}).where(School.name=='小红').execute() table = School.get_by_id(1) table.grade = '二年级' table.save() # 删除 School.delete().where(School.name == '小红').execute() 注意: 所有数据库操作都要写在connection_context()上下文管理器里面,...