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Code Issues 32 Releases Wiki Activity

Fixed #13309 -- Ensure that delete() deletes everything it should delete(). Thanks to craig.kimerer@gmail.com for the report.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@12941 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2010-04-09 13:24:13 +00:00
parent 7b47609629
commit 040c18b17e
2 changed files with 10 additions and 1 deletions
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3
django/db/models/query.py
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@@ -429,13 +429,14 @@ class QuerySet(object):
# Delete objects in chunks to prevent the list of related objects from
# becoming too long.
seen_objs = None
del_itr = iter(del_query)
while 1:
# Collect a chunk of objects to be deleted, and then all the
# objects that are related to the objects that are to be deleted.
# The chunking *isn't* done by slicing the del_query because we
# need to maintain the query cache on del_query (see #12328)
seen_objs = CollectedObjects(seen_objs)
for i, obj in izip(xrange(CHUNK_SIZE), del_query):
for i, obj in izip(xrange(CHUNK_SIZE), del_itr):
obj._collect_sub_objects(seen_objs)
if not seen_objs: