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Added an example to the release notes for custom reverse managers.
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@ -169,7 +169,19 @@ Using a custom manager when traversing reverse relations
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It is now possible to :ref:`specify a custom manager
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It is now possible to :ref:`specify a custom manager
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<using-custom-reverse-manager>` when traversing a reverse relationship.
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<using-custom-reverse-manager>` when traversing a reverse relationship::
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class Blog(models.Model):
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pass
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class Entry(models.Model):
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blog = models.ForeignKey(Blog)
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objects = models.Manager() # Default Manager
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entries = EntryManager() # Custom Manager
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b = Blog.objects.get(id=1)
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b.entry_set(manager='entries').all()
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New system check framework
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New system check framework
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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@ -1155,11 +1155,19 @@ query you can use the following syntax::
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class Entry(models.Model):
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class Entry(models.Model):
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#...
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#...
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objects = models.Manager() # Default Manager
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objects = models.Manager() # Default Manager
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entries = EntryManager() # Custom Manager
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entries = EntryManager() # Custom Manager
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>>> b = Blog.objects.get(id=1)
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b = Blog.objects.get(id=1)
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>>> b.entry_set(manager='entries').all()
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b.entry_set(manager='entries').all()
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If ``EntryManager`` performed default filtering in its ``get_queryset()``
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method, that filtering would apply to the ``all()`` call.
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Of course, specifying a custom reverse manager also enables you to call its
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custom methods::
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b.entry_set(manager='entries').is_published()
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Additional methods to handle related objects
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Additional methods to handle related objects
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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