#12709: Refetch method for getting a fresh model instance
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Reporter: jukvalim | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: 1.1
Keywords: refetch | Stage: Unreviewed
Has_patch: 0 |
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It is often useful to get a fresh instance of a model object, with data
from db. A typical case is testing some view code using the test client,
when the
view is supposed to save some model changes into database. For example:
{{{
client.post('some_url', {'id': obj.id, 'description': 'new'})
fresh_obj = ObjClass.objects.get(pk=obj.pk)
self.assertEqual('new', fresh_obj.description)
}}}
This ticket proposes adding a method to Model that can be used to fetch a
"fresh" version of a model object from the database. It is functionally
the same as the use of objects.get in the example above, but more
convenient and elegant.
{{{
fresh_obj = obj.refetch()
}}}
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Ticket URL: <http://code.djangoproject.com/ticket/12709>
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