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ManyToMany Managers should also look into prefetch cache

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This commit is contained in:
Laura Klünder 2017-06-16 18:42:54 +02:00
parent edfb083c61
commit 9eb832b048
1 changed files with 8 additions and 1 deletions
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9
src/c3nav/editor/wrappers.py
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@ -526,6 +526,9 @@ class ManyRelatedManagerWrapper(RelatedManagerWrapper):
def _get_cache_name(self): def _get_cache_name(self):
return self._obj.prefetch_cache_name return self._obj.prefetch_cache_name
def get_queryset(self):
return self.model.objects.filter(**self._obj.core_filters)
def set(self, objs, author=None): def set(self, objs, author=None):
if author is None: if author is None:
author = self._author author = self._author
@ -553,7 +556,11 @@ class ManyRelatedManagerWrapper(RelatedManagerWrapper):
self._changeset.add_m2m_remove(self._obj.instance, name=self._get_cache_name(), value=pk, author=author) self._changeset.add_m2m_remove(self._obj.instance, name=self._get_cache_name(), value=pk, author=author)
def all(self): def all(self):
return self.model.objects.filter(**self._obj.core_filters) try:
return self.instance._prefetched_objects_cache[self._get_cache_name()]
except(AttributeError, KeyError):
pass
return self.get_queryset().all()
def create(self, *args, **kwargs): def create(self, *args, **kwargs):
raise NotImplementedError raise NotImplementedError