在Django REST框架中,如果你发现自定义用户模型上的UniqueConstraint不起作用,可能是由于以下几个原因: 基础概念 UniqueConstraint是Django ORM中的一个约束,用于确保数据库表中的某些字段组合是唯一的。这在创建用户模型时尤其重要,以确保用户名或电子邮件地址的唯一性。
由于我们通过UserType1和UserType2对象通过从create_user调用create_user来隐式创建UserManager，因此Django...
尝试使用drfapi登录时出现以下错误** IntegrityError at /api/auth/login UNIQUE constraint failed: authtoken_token.user_id Request Method: POST Request URL: http://127.0.0.1:8000/api/auth/login Django Version: 2.2.16 Exception Type: IntegrityError Exception Value: UNIQUE constraint failed: authtoken_...
Django 联合唯一UniqueConstraint 1 2 3 4 5 6 7 8 9 10 from django.db import models class UserAttention(models.Model): watcher = models.ForeignKey('user.User', on_delete=models.CASCADE, related_name="attention") goal = models.ForeignKey('goal.Goal', on_delete=models.CASCADE, related_name...
if 'UNIQUE constraint failed' in exception.args[0]: print('duplicate order id => skip this') continue 您还可以使用get_or_create来实现您想要的:for json_obj in json_data: obj, created = Order.objects.get_or_create( symbol=json_obj['order_id'], ...
class BaseConstraint(name, violation_error_message=None)¶ 所有约束的基类。子类必须实现 constraint_sql(), create_sql(), remove_sql() 和validate() 方法。 所有约束都有以下共同的参数: name¶ BaseConstraint.name¶ 约束的名称。你必须始终为约束指定一个唯一的名称。 violation_error_message¶ Ne...
fields=['ent_ruc', 'ent_id'], name='unique_enterprise') ] 但当我运行服务器时,我会收到错误: 'Enterprise.ent_ruc”必须是唯一的,因为它被外键引用。提示:将unique=True添加到此字段,或在模型Meta.constraints中添加UniqueConstraint(无条件)。
Django doesn’t create database defaults when a default is specified on a model field. Similarly, database defaults aren’t translated to model field defaults or detected in any fashion by inspectdb. By default, inspectdb creates unmanaged models. That is, managed = False in the model’s Meta...
django.db.utils.IntegrityError: UNIQUE constraint failed: users_customuser.email Posted on 2024年3月11日 at 13:00 byStack OverflowRSS I'm learning Django but I keep getting this error when I type : django.db.utils.IntegrityError: UNIQUE constraint failed: users_customuser.email I Have a Crea...
but now on the server I only get this error when doing POST requests: { "detail": "CSRF Failed: CSRF token missing." } [This is the tutorial we followed to set everything up on our server] (https://www.digitalocean.com/community/tutorials/how-to-set-up-django-...