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class MyArticle(models.Model):
id = models.CharField(max_length=150, primary_key=True)
def __unicode__(self):
return self.id
class UserProfile(models.Model):
username = models.CharField(max_length=765)
clicks = models.ManyToManyField(MyArticle, through='ClickEvent')
def __unicode__(self):
return self.username
class ClickEvent(models.Model):
article = models.ForeignKey(MyArticle)
user = models.ForeignKey(UserProfile)
timestamp = models.DateTimeField()
art = MyArticle.objects.create(id = article_id)
eusr = UserProfile.objects.create(username = username)
cl = ClickEvent(article = art, user = eusr, timestamp = datetime.now())
cl.save()
这些对象都是创建的,但是当我尝试保存点击失败时,我不明白为什么?无法将django对象保存到mysql(ManyToManyField)
cl.save()#失败
我跟着这里描述的步骤,但似乎无法看到缺少了什么。 http://docs.djangoproject.com/en/dev/topics/db/models/#many-to-many-relationships
什么错误,你接受? – rzetterberg 2011-05-03 21:46:12
我解决了问题。 我收到以下错误: (1054,“字段列表中的未知列'文章'”) 问题是syncdb不更新创建的表,因此它们需要先删除,然后再次创建。 http://stackoverflow.com/questions/293300/unknown-column-user-id-error-in-django-view – Oliver 2011-05-03 23:19:59