Django/GAE:如何过滤foreignkey上的查询集?
我有两个非常简单的类Submission和StoreDjango/GAE:如何过滤foreignkey上的查询集?,django,google-app-engine,django-queryset,Django,Google App Engine,Django Queryset,我有两个非常简单的类Submission和Store class Submission(models.Model): title = models.CharField(max_length=50, null=True, blank=True) description = models.CharField(max_length=200, null= True, blank=True) store = models.ForeignKey(Store) cla
class Submission(models.Model):
title = models.CharField(max_length=50, null=True, blank=True)
description = models.CharField(max_length=200, null= True, blank=True)
store = models.ForeignKey(Store)
class Store(models.Model):
store_name = models.CharField(max_length=200)
store_url = models.CharField(max_length=200)
我想查找特定商店的所有提交资料,按商店名称进行筛选
在普通的Django中,我可以做如下事情
Submission.objects.filter(store__store_name__exact=_myStoreName_)
但是,在Django中使用Google Appengine(使用djangoappengine包)进行的数据库查询似乎无效
我能做些什么呢
谢谢。多么干净的过滤方式啊。谢谢
inner_query = Store.objects.filter(store_name='storename')
submissions = Submission.objects.filter(store__in=inner_query)