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我有一個燒瓶應用程序,並嘗試使用SQLAlchemy將對象存儲在Postgres數據庫中。
我得到以下錯誤:SQLAlchemy:無法調整類型'字典'
sqlalchemy.exc.ProgrammingError: (psycopg2.ProgrammingError) can't adapt type
'dict' [SQL: 'INSERT INTO events (organizer_id, name, date, _address,
_polygon, starter_time, main_time, dessert_time, afterparty_flag,
afterparty_address, afterparty_description) VALUES (%(organizer_id)s, %
(name)s, %(date)s, %(_address)s, %(_polygon)s, %(starter_time)s, %
(main_time)s, %(dessert_time)s, %(afterparty_flag)s, %(afterparty_address)s, %
(afterparty_description)s) RETURNING events.id'] [parameters: {'organizer_id':
7, 'name': 'testevent', 'date': datetime.datetime(2017, 5, 27, 19, 8, 38,
90484), '_address': None, '_polygon': {}, 'starter_time':
datetime.datetime(2017, 5, 27, 19, 8, 38, 90500), 'main_time':
datetime.datetime(2017, 5, 27, 19, 8, 38, 90508), 'dessert_time':
datetime.datetime(2017, 5, 27, 19, 8, 38, 90514), 'afterparty_flag': True,
'afterparty_address': None, 'afterparty_description': None}]
我的事件模型:
class Event(db.Model):
__tablename__ = 'events'
id = db.Column(db.Integer, primary_key=True)
organizer_id = db.Column(db.Integer, db.ForeignKey('organizers.id'))
# general
name = db.Column(db.String(64))
date = db.Column(db.DateTime(), default=datetime.utcnow)
_address = db.Column(db.Text(), default={})
_polygon = db.Column(db.Text(), default={})
# timetable
starter_time = db.Column(db.DateTime(), default=datetime.utcnow)
main_time = db.Column(db.DateTime(), default=datetime.utcnow)
dessert_time = db.Column(db.DateTime(), default=datetime.utcnow)
# afterparty
afterparty_flag = db.Column(db.Boolean(), default=True)
afterparty_address = db.Column(db.String(140))
afterparty_description = db.Column(db.String(140))
postcode = None
city = None
沒有與該ID的組織者:在我的數據庫7。
我已經花了數小時閱讀日誌和試驗。
你知道怎麼回事嗎?
您的'_polygon'列指定了一種'Text'類型,但默認值爲{{}',這是一個'dict'。 – univerio
聖潔的狗屎,你是最好的!你是對的,這解決了我的錯誤。如果您提交答案,我可以將其標記爲已解決/已接受。 – Jan
@Jan:你可以(也可以在這種情況下)[回答你自己的問題](https://stackoverflow.com/help/self-answer)如果沒有人 –