使用Django中的ContentType过滤2个模型 [英] Filter 2 models with ContentType in Django
本文介绍了使用Django中的ContentType过滤2个模型的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
class Profile1(models.Model):
user = models。 ForeignKey(User,null = True,unique = True)
class Profile2(models.Model):
user = models.ForeignKey(User,null = True,unique = True)
class Attendee(models.Model):
event = models.ForeignKey(Event)
#这个过滤器通过一切...如何过滤掉只有2个配置文件对象?
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
profile = generic.GenericForeignKey('content_type','object_id')
$ c $感谢您的帮助!解决方案由于 ContentType模型有三个字段 app_label
,模型
和名称
。所以你可以轻松地过滤这些字段。
attendees = Attendee.objects.filter(content_type__model ='Profile1')
I have 2 profile Models. And I am creating an "Attendee" object. How do I filter just between the 2 profiles?
class Profile1(models.Model):
user = models.ForeignKey(User, null=True, unique=True)
class Profile2(models.Model):
user = models.ForeignKey(User, null=True, unique=True)
class Attendee(models.Model):
event = models.ForeignKey(Event)
# This filters through everything... How do I filter down just to the 2 profile objects?
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
profile = generic.GenericForeignKey('content_type', 'object_id')
Thanks for your help!
解决方案 As ContentType model has three fields app_label
, model
and name
. So you can easily filter through these fields.
attendees = Attendee.objects.filter(content_type__model = 'Profile1')
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