paradise

sqlalchemy.exc.IntegrityError: (mysql.connector.errors.IntegrityError) 1062 (23000): Duplicate entry ‘1@qq.com’ for key ‘email’ [SQL: UPDATE cms_user SET email=%(email)s WHERE cms_user.id = %(cms_user_id)s] [parameters: {‘email’: ‘1@qq.com’, ‘cms_user_id’:

sqlalchemy.exc.ArgumentError: relationship ‘tags’ expects a class or a mapper argument (received: <class ‘sqlalchemy.sql.schema.Table’>) 在模型定义中，relationship 的第一个参数是模型类，一般是大写的 tags = db.relationship( 'Tag', backref='articles' ) class Tag(db.Model):