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Code Issues 32 Releases Wiki Activity

[soc2010/query-refactor] Implemented __lt lookups for MongoDB.

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git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/query-refactor@13359 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Alex Gaynor 2010-06-19 01:36:13 +00:00
parent d19cba9b8c
commit 72c6a43403
2 changed files with 30 additions and 2 deletions
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4
django/contrib/mongodb/compiler.py
View File

@ -25,7 +25,7 @@ class SQLCompiler(object):
return filters
def make_atom(self, lhs, lookup_type, value_annotation, params_or_value, negated):
assert lookup_type in ["exact", "isnull"], lookup_type
assert lookup_type in ["exact", "isnull", "lt"], lookup_type
if hasattr(lhs, "process"):
lhs, params = lhs.process(lookup_type, params_or_value, self.connection)
else:
@ -47,6 +47,8 @@ class SQLCompiler(object):
if value_annotation == negated:
val = {"$not": val}
return column, val
elif lookup_type == "lt":
return column, {"$lt": params[0]}
def correct_filters(self, filters):
for k, v in filters.items():

28
tests/regressiontests/mongodb/tests.py
View File

@ -58,7 +58,7 @@ class MongoTestCase(TestCase):
self.assertFalse(hasattr(b, "_current_group_cache"))
self.assertEqual(b.current_group, e)
def test_lookup(self):
def test_not_equals(self):
q = Group.objects.create(name="Queen", year_formed=1971)
e = Group.objects.create(name="The E Street Band", year_formed=1972)
@ -80,3 +80,29 @@ class MongoTestCase(TestCase):
],
lambda g: g.name,
)
def test_less_than(self):
q = Group.objects.create(name="Queen", year_formed=1971)
e = Group.objects.create(name="The E Street Band", year_formed=1972)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1980), [
"Queen",
"The E Street Band",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1972), [
"Queen",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1971),
[],
lambda g: g.name
)