mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-07-05 18:29:11 +00:00
Code Issues 32 Releases Wiki Activity

queryset-refactor: Added a test to show that various Q() combinations work when the same field with different lookup types are combined. Refs #4289.

Browse Source 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6901 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-12-09 08:01:26 +00:00
parent 3064a211bf
commit 13d3162aaf
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
tests/regressiontests/queries/models.py
View File

@ -80,6 +80,12 @@ class Cover(models.Model):
def __unicode__(self):
return self.title
class Number(models.Model):
num = models.IntegerField()
def __unicode__(self):
return unicode(self.num)
# Some funky cross-linked models for testing a couple of infinite recursion
# cases.
class X(models.Model):
@ -154,6 +160,13 @@ will be rank3, rank2, rank1.
>>> c2 = Cover(title="second", item=i2)
>>> c2.save()
>>> n1 = Number(num=4)
>>> n1.save()
>>> n2 = Number(num=8)
>>> n2.save()
>>> n3 = Number(num=12)
>>> n3.save()
Bug #1050
>>> Item.objects.filter(tags__isnull=True)
[<Item: three>]
@ -199,6 +212,24 @@ Bug #2080, #3592
>>> Author.objects.filter(Q(item__name='three') | Q(report__name='r3'))
[<Author: a2>]
Bug #4289
A slight variation on the above theme: restricting the choices by the lookup
constraints.
>>> Number.objects.filter(num__lt=4)
[]
>>> Number.objects.filter(num__gt=8, num__lt=12)
[]
>>> Number.objects.filter(num__gt=8, num__lt=13)
[<Number: 12>]
>>> Number.objects.filter(Q(num__lt=4) | Q(num__gt=8, num__lt=12))
[]
>>> Number.objects.filter(Q(num__gt=8, num__lt=12) | Q(num__lt=4))
[]
>>> Number.objects.filter(Q(num__gt=8) & Q(num__lt=12) | Q(num__lt=4))
[]
>>> Number.objects.filter(Q(num__gt=7) & Q(num__lt=12) | Q(num__lt=4))
[<Number: 8>]
Bug #6074
Merging two empty result sets shouldn't leave a queryset with no constraints
(which would match everything).
@ -427,5 +458,6 @@ order_by() and filter() calls.
# Filter those items that have exactly one tag attached.
>>> Item.objects.extra(select={'count': 'select count(*) from queries_item_tags where queries_item_tags.item_id = queries_item.id'}).filter(count=1)
[<Item: four>]
"""}