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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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Russell Keith-Magee 2010-02-24 13:56:19 +00:00
parent 841210b308
commit d792737770
1 changed files with 8 additions and 0 deletions
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8
docs/ref/models/querysets.txt
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@ -106,6 +106,14 @@ 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 (and fully supported) to pickle and unpickle the attribute's contents as
described here. 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 .. _pickle: http://docs.python.org/library/pickle.html
.. _queryset-api: .. _queryset-api: