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我正在使用django控制台尝试在我的sqllite数据库上测试查询。试图按字段值与Django数据库API筛选
表的模式始于:
class Message(models.Model):
mailbox = models.ForeignKey(Mailbox, related_name='messages')
subject = models.CharField(max_length=255)
message_id = models.CharField(max_length=255)
in_reply_to = models.ForeignKey(
'django_mailbox.Message',
related_name='replies',
blank=True,
null=True,
)
........
这是我尝试在Django的控制台测试:
>>> from django_mailbox.models import Message
>>> o = Message.objects.all()
>>> o
[<Message: Get Gmail for your mobile device>, <Message: Tips for using Gmail>, <Message: Welcome to Gmail>, <Message: Getting started on Google+>, '...(remaining elements truncated)...']
>>> o = Message.objects.filter(in_reply_to > 0)
Traceback (most recent call last):
File "<console>", line 1, in <module>
NameError: name 'in_reply_to' is not defined
正如你可以看到Message.objects.all()的作品。但是,当我尝试通过具有正值的特定字段进行筛选时,我会收到错误消息。我究竟做错了什么?
感谢大卫 - 那工作! - 比尔 – user61629