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Fixed #33919 -- Fixed adding AutoFields on PostgreSQL.

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Thanks Jack Calvin Brown for the report.

Regression in 2eea361eff.
This commit is contained in:
Mariusz Felisiak 2022-08-12 17:30:23 +02:00 • committed by GitHub
parent 4fcba800b8
commit 5c803bc070
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3 changed files with 31 additions and 0 deletions
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25
tests/schema/tests.py
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@ -795,6 +795,31 @@ class SchemaTests(TransactionTestCase):
# Introspection treats BLOBs as TextFields
self.assertEqual(columns["bits"][0], "TextField")
@isolate_apps("schema")
def test_add_auto_field(self):
class AddAutoFieldModel(Model):
name = CharField(max_length=255, primary_key=True)
class Meta:
app_label = "schema"
with connection.schema_editor() as editor:
editor.create_model(AddAutoFieldModel)
self.isolated_local_models = [AddAutoFieldModel]
old_field = AddAutoFieldModel._meta.get_field("name")
new_field = CharField(max_length=255)
new_field.set_attributes_from_name("name")
new_field.model = AddAutoFieldModel
with connection.schema_editor() as editor:
editor.alter_field(AddAutoFieldModel, old_field, new_field)
new_auto_field = AutoField(primary_key=True)
new_auto_field.set_attributes_from_name("id")
new_auto_field.model = AddAutoFieldModel()
with connection.schema_editor() as editor:
editor.add_field(AddAutoFieldModel, new_auto_field)
# Crashes on PostgreSQL when the GENERATED BY suffix is missing.
AddAutoFieldModel.objects.create(name="test")
def test_remove_field(self):
with connection.schema_editor() as editor:
editor.create_model(Author)