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Code Issues 32 Releases Wiki Activity

Fixed #7853 -- Fixed another case of deleting inherited models with foreign key

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references. Thanks to Russell for the test case that demonstrated the problem.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@8128 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick
2008-07-28 01:32:46 +00:00
parent 55ba38f9d2
commit 19c7db0058
2 changed files with 18 additions and 2 deletions
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8
django/db/models/query.py
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@@ -835,11 +835,15 @@ def delete_objects(seen_objs):
del_query.delete_batch_related(pk_list)
update_query = sql.UpdateQuery(cls, connection)
for field in cls._meta.fields:
for field, model in cls._meta.get_fields_with_model():
if (field.rel and field.null and field.rel.to in seen_objs and
filter(lambda f: f.column == field.column,
field.rel.to._meta.fields)):
update_query.clear_related(field, pk_list)
if model:
sql.UpdateQuery(model, connection).clear_related(field,
pk_list)
else:
update_query.clear_related(field, pk_list)
# Now delete the actual data.
for cls in ordered_classes: