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Code Issues 32 Releases Wiki Activity

queryset-refactor: Interpret qs.filter(foo=None) to be the same as qs.filter(foo__isnull=True). Refs #2737.

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git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6760 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick
2007-11-30 02:29:25 +00:00
parent 648a3d87a3
commit a2418176fd
4 changed files with 25 additions and 17 deletions
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7
tests/regressiontests/null_queries/models.py
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@@ -24,10 +24,15 @@ __test__ = {'API_TESTS':"""
>>> c2 = Choice(poll=p1, choice='Why Not?')
>>> c2.save()
# Exact query with value None returns nothing (=NULL in sql)
# Exact query with value None returns nothing ("is NULL" in sql, but every 'id'
# field has a value).
>>> Choice.objects.filter(id__exact=None)
[]
Excluding the previous result returns everything.
>>> Choice.objects.exclude(id=None).order_by('id')
[<Choice: Choice: Because. in poll Q: Why? >, <Choice: Choice: Why Not? in poll Q: Why? >]
# Valid query, but fails because foo isn't a keyword
>>> Choice.objects.filter(foo__exact=None)
Traceback (most recent call last):