[英]flask sqlalchemy getting Unknown column error despite having them
So... I'm trying to commit some sql from flask app inside, and the model code is as follows: 所以...我正在尝试从flask应用程序内部提交一些sql,模型代码如下:
class User(UserMixin, db.Model):
__tablename__ = '_users'
id = db.Column(db.Integer, primary_key=True)
user_email = db.Column(db.VARCHAR(50), nullable=False, unique=True)
user_reg_date = db.Column(db.TIMESTAMP, nullable=False)
last_login = db.Column(db.TIMESTAMP, nullable=True)
passwd = db.Column(db.VARCHAR(80), nullable=True)
social_id = db.Column(db.VARCHAR(80), nullable=True, unique=True)
def __init__(self, user_email, passwd, social_id):
self.user_email = user_email
self.user_reg_date = current_time()
self.passwd = passwd
self.social_id = social_id
class Player(db.Model):
__tablename__ = '_players'
id = db.Column(db.Integer, primary_key=True)
player_unique_id = db.Column(db.Integer, unique=True)
user_id = db.Column(db.Integer, db.ForeignKey('_users.id'))
affiliated_crew_id = db.Column(db.Integer, db.ForeignKey('crew.id'))
player_nick = db.Column(db.VARCHAR(50), unique=True)
player_highscore = db.Column(db.Integer)
player_badge = db.Column(db.VARCHAR(100))
player_rank = db.Column(db.Integer)
def __init__(self, player_unique_id, user_id, affiliated_crew_id
, player_nick):
self.player_unique_id = player_unique_id
self.user_id = user_id
self.affiliated_crew_id = affiliated_crew_id
self.player_nick = player_nick
self.player_highscore = 0
self.player_badge = None
self.player_rank = 0
I already have the proper columns in the SQL(as I written these from pre-made tables) it's all correct. 我已经在SQL中有适当的列(因为我是从预制表中写出来的),这都是正确的。
the part committing the sql is as follows: 提交sql的部分如下:
player = Player(player_unique_id=00000, user_id=user_num, affiliated_crew_id=crew_id
, player_nick=nick)
db.session.add(player)
db.session.commit()
and it's returning this: 它返回此:
sqlalchemy.exc.InternalError: (pymysql.err.InternalError) (1054, "Unknown column '_users.id' in 'field list'") [SQL: 'INSERT INTO _players (player_unique_id, user_id, affiliated_crew_id, player_nick, player_highscore, player_badge, player_rank) VALUES (%(player_unique_id)s, _users.id, %(affiliated_crew_id)s, %(player_nick)s, %(player_highscore)s, %(player_badge)s, %(player_rank)s)'] [parameters: {'player_unique_id': 84658, 'affiliated_crew_id': '1', 'player_nick': 'player', 'player_highscore': 0, 'player_badge': None, 'player_rank': 0}] sqlalchemy.exc.InternalError:(pymysql.err.InternalError)(1054,“字段列表”中的“未知列_users.id””)[SQL:'INSERT INTO _players(player_unique_id,user_id,affiliated_crew_id,player_nick,player_highscore,player_badge ,player_rank)VALUES(%(player_unique_id)s,_users.id,%(affiliated_crew_id)s,%(player_nick)s,%(player_highscore)s,%(player_badge)s,%(player_rank)s)'] []参数: {'player_unique_id':84658,'affiliated_crew_id':'1','player_nick':'player','player_highscore':0,'player_badge':None,'player_rank':0}]]
what am I doing wrong here? 我在这里做错了什么? searching didn't help so far... 搜寻至今无济于事...
I was using raw User
class to get the User.id
, which kept returning None. 我正在使用原始User
类来获取User.id
,并一直返回None。
since User
was my flask-login
's user class I had to bring my user id by using current_user.id
. 由于User
是我的flask-login
的用户类,因此必须使用current_user.id
携带用户ID。
so fixing my user_num
init, which had user_num = User.id
to user_num = current_user.id
fixed everything... 所以修复了我的user_num
初始化,将user_num = User.id
更改为user_num = current_user.id
修复了所有问题...
thank you everyone who looked into the problem... 谢谢大家调查这个问题...
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