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Code Issues 32 Releases Wiki Activity

queryset-refactor: Reworked exclude() handling to fix a few merging problems.

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Fixed #6704.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7217 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick
2008-03-11 01:15:15 +00:00
parent d4d528e9b0
commit f2f933450f
4 changed files with 88 additions and 29 deletions
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16
tests/regressiontests/queries/models.py
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@@ -312,7 +312,7 @@ Bug #4510
>>> Author.objects.filter(report__name='r1')
[<Author: a1>]
Bug #5324
Bug #5324, #6704
>>> Item.objects.filter(tags__name='t4')
[<Item: four>]
>>> Item.objects.exclude(tags__name='t4').order_by('name').distinct()
@@ -340,6 +340,20 @@ Similarly, when one of the joins cannot possibly, ever, involve NULL values (Aut
>>> len([x[2][2] for x in qs.query.alias_map.values() if x[2][2] == query.LOUTER])
1
The previous changes shouldn't affect nullable foreign key joins.
>>> Tag.objects.filter(parent__isnull=True).order_by('name')
[<Tag: t1>]
>>> Tag.objects.exclude(parent__isnull=True).order_by('name')
[<Tag: t2>, <Tag: t3>, <Tag: t4>, <Tag: t5>]
>>> Tag.objects.exclude(Q(parent__name='t1') | Q(parent__isnull=True)).order_by('name')
[<Tag: t4>, <Tag: t5>]
>>> Tag.objects.exclude(Q(parent__isnull=True) | Q(parent__name='t1')).order_by('name')
[<Tag: t4>, <Tag: t5>]
>>> Tag.objects.exclude(Q(parent__parent__isnull=True)).order_by('name')
[<Tag: t4>, <Tag: t5>]
>>> Tag.objects.filter(~Q(parent__parent__isnull=True)).order_by('name')
[<Tag: t4>, <Tag: t5>]
Bug #2091
>>> t = Tag.objects.get(name='t4')
>>> Item.objects.filter(tags__in=[t])