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Added the ability to pickle and unpickle QuerySets and Query classes.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@7499 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2008-04-28 14:14:41 +00:00
parent db80f57c6e
commit a97f690e5d
3 changed files with 53 additions and 1 deletions
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13
django/db/models/query.py
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@ -28,6 +28,17 @@ class QuerySet(object):
# PYTHON MAGIC METHODS #
########################
def __getstate__(self):
"""
Allows the Queryset to be pickled.
"""
# Force the cache to be fully populated.
len(self)
obj_dict = self.__dict__.copy()
obj_dict['_iter'] = None
return obj_dict
def __repr__(self):
return repr(list(self))
@ -37,7 +48,7 @@ class QuerySet(object):
# whilst not messing up any existing iterators against the queryset.
if self._result_cache is None:
if self._iter:
self._result_cache = list(self._iter())
self._result_cache = list(self._iter)
else:
self._result_cache = list(self.iterator())
elif self._iter: