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Code Issues 32 Releases Wiki Activity

Fixed #31095 -- Made RelatedManager.set() preserve existing m2m relations with an invalid type.

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This commit is contained in:
Hasan Ramezani
2019-12-19 11:08:02 +01:00
committed by Mariusz Felisiak
parent 5a4d7285bd
commit a3fc24f014
2 changed files with 15 additions and 1 deletions
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3
django/db/models/fields/related_descriptors.py
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@@ -999,7 +999,8 @@ def create_forward_many_to_many_manager(superclass, rel, reverse):
for obj in objs:
fk_val = (
self.target_field.get_foreign_related_value(obj)[0]
if isinstance(obj, self.model) else obj
if isinstance(obj, self.model)
else self.target_field.get_prep_value(obj)
)
if fk_val in old_ids:
old_ids.remove(fk_val)