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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()
這些對象都是創建的,但是當我嘗試保存點擊失敗時,我不明白爲什麼?無法將django對象保存到mysql(ManyToManyField)
cl.save()#失敗
我跟着這裏描述的步驟,但似乎無法看到缺少了什麼。 http://docs.djangoproject.com/en/dev/topics/db/models/#many-to-many-relationships
什麼錯誤,你接受? – rzetterberg 2011-05-03 21:46:12
我解決了問題。 我收到以下錯誤: (1054,「字段列表中的未知列'文章'」) 問題是syncdb不更新創建的表,因此它們需要先刪除,然後再次創建。 http://stackoverflow.com/questions/293300/unknown-column-user-id-error-in-django-view – Oliver 2011-05-03 23:19:59