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[1.1.X] Fixed #12538 -- Added a note that pickles aren't stable during version updates. Thanks to snow0x2d0 for the suggestion.

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Backport of r12560 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12565 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee 2010-02-24 14:06:51 +00:00
parent d33fd127f8
commit f7b415869c
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docs/ref/models/querysets.txt
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@ -102,6 +102,14 @@ the query construction and is not part of the public API. However, it is safe
(and fully supported) to pickle and unpickle the attribute's contents as
described here.
.. admonition:: You can't share pickles between versions
Pickles of QuerySets are only valid for the version of Django that
was used to generate them. If you generate a pickle using Django
version N, there is no guarantee that pickle will be readable with
Django version N+1. Pickles should not be used as part of a long-term
archival strategy.
.. _pickle: http://docs.python.org/library/pickle.html
.. _queryset-api: