#28048: Generic date views don't work with related fields as date_field
-------------------------------------+-------------------------------------
               Reporter:  Lefteris   |          Owner:  Lefteris Nikoltsios
  Nikoltsios                         |
                   Type:             |         Status:  assigned
  Uncategorized                      |
              Component:  Generic    |        Version:  1.11
  views                              |
               Severity:  Normal     |       Keywords:
           Triage Stage:             |      Has patch:  0
  Unreviewed                         |
    Needs documentation:  0          |    Needs tests:  0
Patch needs improvement:  0          |  Easy pickings:  0
                  UI/UX:  0          |
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 For example if we have some models like that:

 {{{
 class Blog(models.Model):
     title = models.TextField()
     pubdate = models.DateField()

 class Article(models.Model):
     blog = models.ForeignKey(Blog)
     title = models.TextFIeld()
     pubdate = models.DateField()
 }}}

 the following view:

 {{{
 from django.views.generic.dates import MonthArchiveView

 from .models import Article


 class ArticleMonthArchiveView(MonthArchiveView):
     queryset = Article.objects.all()
     date_field = 'blog__pub_date'
 }}}

 will raise FieldDoesNotExist.

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Ticket URL: <https://code.djangoproject.com/ticket/28048>
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