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| author | Honza Král <Honza.Kral@gmail.com> | 2013-02-23 06:55:09 -0800 |
|---|---|---|
| committer | Honza Král <Honza.Kral@gmail.com> | 2013-02-23 06:55:09 -0800 |
| commit | 6cb6e1128f090d5edde9918ba2ae79c1e38b65ad (patch) | |
| tree | 3884b2e022797f8ab201ae119e13323e1f95bf30 /django | |
| parent | 722683f508566cf06bcc85f9f1810c3cde80344c (diff) | |
| parent | 3dddbc0f2380d2654e66c8df4bb40d5e1d42af98 (diff) | |
Merge pull request #769 from oinopion/ticket19816
Fixed #19816 -- pre-evaluate queryset on m2m set
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/models/fields/related.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py index bea88ba337..01b8a550d1 100644 --- a/django/db/models/fields/related.py +++ b/django/db/models/fields/related.py @@ -904,6 +904,9 @@ class ReverseManyRelatedObjectsDescriptor(object): raise AttributeError("Cannot set values on a ManyToManyField which specifies an intermediary model. Use %s.%s's Manager instead." % (opts.app_label, opts.object_name)) manager = self.__get__(instance) + # clear() can change expected output of 'value' queryset, we force evaluation + # of queryset before clear; ticket #19816 + value = tuple(value) manager.clear() manager.add(*value) |