Fixed #12538 -- Added a note that pickles aren't stable during version updates. Thanks to snow0x2d0 for the suggestion.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@12560 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -106,6 +106,14 @@ the query construction and is not part of the public API. However, it is safe
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(and fully supported) to pickle and unpickle the attribute's contents as
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described here.
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.. admonition:: You can't share pickles between versions
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Pickles of QuerySets are only valid for the version of Django that
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was used to generate them. If you generate a pickle using Django
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version N, there is no guarantee that pickle will be readable with
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Django version N+1. Pickles should not be used as part of a long-term
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archival strategy.
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.. _pickle: http://docs.python.org/library/pickle.html
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.. _queryset-api:
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