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Fixed #1548 -- Improved caching of related objects, so when clist = poll.get_choice_list(), each choice in clist has its poll cache filled. Thanks, Ned Batchelder 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2574 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-03-28 16:51:17 +00:00
parent 82df62b545
commit 1edef8ede9
1 changed files with 12 additions and 1 deletions
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13
django/core/meta/__init__.py
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@ -1176,7 +1176,18 @@ def method_get_related(method_name, rel_mod, rel_field, self, **kwargs):
else:
kwargs['%s__%s__exact' % (rel_field.name, rel_field.rel.to.pk.name)] = getattr(self, rel_field.rel.get_related_field().attname)
kwargs.update(rel_field.rel.lookup_overrides)
return getattr(rel_mod, method_name)(**kwargs)
related = getattr(rel_mod, method_name)(**kwargs)
# Cache the 'self' object for backward links.
# Example: Each choice in Poll.get_choice_list() will have its poll cache filled.
# Pre-cache the self object, for following links back.
if method_name == 'get_list':
cache_name = rel_field.get_cache_name()
for obj in related:
setattr(obj, cache_name, self)
elif method_name == 'get_object':
setattr(related, rel_field.get_cache_name(), self)
return related
# Handles adding related objects.
# Example: Poll.add_choice()