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Fixed #21204 -- Tracked field deferrals by field instead of models.

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This ensures field deferral works properly when a model is involved
more than once in the same query with a distinct deferral mask.
This commit is contained in:
Simon Charette
2022-08-18 12:30:20 -04:00
committed by Mariusz Felisiak
parent 5d12650ed9
commit b3db6c8dcb
6 changed files with 121 additions and 126 deletions
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4
tests/defer/tests.py
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@@ -290,6 +290,8 @@ class InvalidDeferTests(SimpleTestCase):
msg = "Primary has no field named 'missing'"
with self.assertRaisesMessage(FieldDoesNotExist, msg):
list(Primary.objects.defer("missing"))
with self.assertRaisesMessage(FieldError, "missing"):
list(Primary.objects.defer("value__missing"))
msg = "Secondary has no field named 'missing'"
with self.assertRaisesMessage(FieldDoesNotExist, msg):
list(Primary.objects.defer("related__missing"))
@@ -298,6 +300,8 @@ class InvalidDeferTests(SimpleTestCase):
msg = "Primary has no field named 'missing'"
with self.assertRaisesMessage(FieldDoesNotExist, msg):
list(Primary.objects.only("missing"))
with self.assertRaisesMessage(FieldError, "missing"):
list(Primary.objects.only("value__missing"))
msg = "Secondary has no field named 'missing'"
with self.assertRaisesMessage(FieldDoesNotExist, msg):
list(Primary.objects.only("related__missing"))