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Fixed #10796 -- Corrected a pickling problem introduced by [10522]. Thanks to carljm for the report.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@10526 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2009-04-11 15:25:15 +00:00
parent 945b89e177
commit 4a4d3e2133
1 changed files with 11 additions and 3 deletions
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14
django/db/models/sql/query.py
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@ -124,8 +124,13 @@ class BaseQuery(object):
obj_dict['related_select_cols'] = [] obj_dict['related_select_cols'] = []
del obj_dict['connection'] del obj_dict['connection']
# Fields can't be pickled, so we pickle the list of field names instead. # Fields can't be pickled, so if a field list has been
obj_dict['select_fields'] = [f.name for f in obj_dict['select_fields']] # specified, we pickle the list of field names instead.
# None is also a possible value; that can pass as-is
obj_dict['select_fields'] = [
f is not None and f.name or None
for f in obj_dict['select_fields']
]
return obj_dict return obj_dict
def __setstate__(self, obj_dict): def __setstate__(self, obj_dict):
@ -133,7 +138,10 @@ class BaseQuery(object):
Unpickling support. Unpickling support.
""" """
# Rebuild list of field instances # Rebuild list of field instances
obj_dict['select_fields'] = [obj_dict['model']._meta.get_field(name) for name in obj_dict['select_fields']] obj_dict['select_fields'] = [
name is not None and obj_dict['model']._meta.get_field(name) or None
for name in obj_dict['select_fields']
]
self.__dict__.update(obj_dict) self.__dict__.update(obj_dict)
# XXX: Need a better solution for this when multi-db stuff is # XXX: Need a better solution for this when multi-db stuff is