In my app I have two models like this:
class Header(models.Model):
code = models.CharField()
author = models.CharField()
class Detail(models.Model)
header = models.ForeignKey(Header)
creation_date = models.DateTime()
I need to find all the Header objects with a certain code, a certain
author and with details created after a certain date.
So, I looked in the documentation and I found the 'FOO_set' Manager,
and I tried something like this:
d = Details.objects.filter(creation_date__gte=datetime.date(2007, 06,
01))
d = d.header_set.filter(code__exact='123', author__exact='dave')
but I get an
AttributeError: 'QuerySet' object has no attribute 'header_set'
What am I making wrong?
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