python类Column()的实例源码

def inserted_by(cls):
        return db.Column(db.Integer, db.ForeignKey('user.id_user'),
                         default=get_current_user)

def last_updated_by(cls):
        return db.Column(db.Integer, db.ForeignKey('user.id_user'),
                         default=get_current_user, onupdate=get_current_user)

def remove_search(self,search):
        if search in self.searches:
            self.searches.remove(search)
            return True
        else:
            return False

#user_searches = db.Table('search_ratings',
#        db.Column('user_id', db.Integer(), db.ForeignKey('user.id')),
#        db.Column('search_id', db.Integer(), db.ForeignKey('search.id')))