Question

我正在尝试添加＆＃34;订单＆＃34;字段给用户，该用户是类Order的外键。 Order对OrderItem类有一个外键。 OrderItem有一个OneToOneField到另一个应用程序的类Store Item。我用south来迁移数据库。我不相信错误是数据库迁移的方式。我收到了操作错误，＆＃34;错误：没有这样的表：webstore_storeitem＆＃34;。任何帮助将不胜感激。谢谢。

from django.contrib.auth.models import User
from django.db import models
from loginRouter import *



class OrderItem(models.Model):
      itemCost = models.DecimalField(max_digits=16,decimal_places=2)
      itemQuantity = models.IntegerField()
      itemID = models.OneToOneField('webstore.StoreItem')
      def __unicode__(self):
            return  self.itemID.itemName


class Order(models.Model):

      orderDate = models.DateTimeField('Order Date')
      shippingCost = models.DecimalField(max_digits=16,decimal_places=2)
      totalCost = models.DecimalField(max_digits=16,decimal_places=2)
      item = models.ForeignKey(OrderItem)
      def __unicode__(self):
            return  unicode(self.item)


class UserProfile(models.Model):
      user = models.OneToOneField(User)
      confirmation_code = models.CharField(max_length=128)
      reset_code = models.CharField(max_length=128)
      address_lineOne = models.CharField(max_length=128)
      address_lineTwo = models.CharField(max_length=128)
      city = models.CharField(max_length=128)
      State = models.CharField(max_length=128)
      zipCode = models.CharField(max_length=10)
      orders = models.ForeignKey(Order)
      def __unicode__(self): 
            return self.user.username

我在南方做了什么：

before Change:
$./manage.py schemamigration login --initial
after change:
$./manage.py schemamigration login --auto
$./manage.py migrate login --fake
$./manage.py migrate login

webstore.Models：

from django.db import models
from imagekit.models import ProcessedImageField
from imagekit.processors import ResizeToFill

class StoreCategory(models.Model):
  categoryName = models.CharField(max_length=128)
  def __unicode__(self):
    return self.categoryName 

class StoreItem(models.Model):

  category = models.ForeignKey(StoreCategory)
  itemName = models.CharField(max_length=128)
  itemNameid = models.CharField(max_length=128)
  description = models.CharField(max_length=2048)
  price = models.DecimalField(max_digits=16,decimal_places=2)
  quantity = models.IntegerField(default=0) 
  picture = ProcessedImageField(upload_to='avatars',
                                       processors=[ResizeToFill(250, 185)],
                                       format='JPEG',
                                       options={'quality': 60})
  featured_picture = ProcessedImageField(upload_to='avatars',
                                       processors=[ResizeToFill(800, 300)],
                                       format='JPEG',
                                       options={'quality': 60})
  isFeatured = models.BooleanField(default=False)
  def __unicode__(self):
      return  self.itemName

Answer 1

问题是每个应用程序都在使用单独的数据库。我合并了它们，这解决了我遇到的问题。

Django模型修改缺失字段：

1 个答案: