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Fixed #10197 -- Corrected pickling of querysets when a subset of fields was selected.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@10522 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2009-04-11 13:20:51 +00:00
parent 0fff47c90f
commit e12e0e18a4
2 changed files with 21 additions and 0 deletions
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6
django/db/models/sql/query.py
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@ -123,12 +123,18 @@ class BaseQuery(object):
obj_dict['related_select_fields'] = []
obj_dict['related_select_cols'] = []
del obj_dict['connection']
# Fields can't be pickled, so we pickle the list of field names instead.
obj_dict['select_fields'] = [f.name for f in obj_dict['select_fields']]
return obj_dict
def __setstate__(self, obj_dict):
"""
Unpickling support.
"""
# Rebuild list of field instances
obj_dict['select_fields'] = [obj_dict['model']._meta.get_field(name) for name in obj_dict['select_fields']]
self.__dict__.update(obj_dict)
# XXX: Need a better solution for this when multi-db stuff is
# supported. It's the only class-reference to the module-level