1
我已经为Django安装了MPTT,将它放在“安装的应用程序”中,设置我的文件并同步我的数据库。我的模型显示了管理,但是当我点击想要添加的类别,我得到以下错误后保存:Django MPTT在保存时给数据库错误
DatabaseError at /admin/myapp/category/add/
relation "django_admin_log" does not exist
LINE 1: INSERT INTO "django_admin_log" ("action_time", "user_id", "c...
这里是我的文件:
型号:
from django.db import models
from django.contrib.auth.models import User
from mptt.models import MPTTModel, TreeForeignKey
class Category(MPTTModel):
user = models.ForeignKey(User)
name = models.CharField(max_length=30, unique=True)
parent = TreeForeignKey('self', null=True, blank=True, related_name='children')
class MPTTMeta:
order_insertion_by = ['name']
def __unicode__(self):
return self.name
管理:
from django.contrib import admin
from myapp.models import Category
from mptt.admin import MPTTModelAdmin
admin.site.register(Category, MPTTModelAdmin)