#23834: ArrayField default is an empty string and not None
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Reporter: ddaan | Owner:
Type: Bug | Status: new
Component: contrib.postgres | Version: master
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by ddaan:
Old description:
> Considering this class (from tests.postgres_tests.models):
>
> class NullableIntegerArrayModel(models.Model):
> field = ArrayField(models.IntegerField(), blank=True, null=True)
>
> When I save it directly after initialization it will result in an error
>
> django.db.utils.DataError: array value must start with "{" or dimension
> information
> LINE 1: ...ests_nullableintegerarraymodel" ("field") VALUES ('')
> RETURN...
>
> This test will reproduce the error
>
> def test_default_null(self):
> instance = NullableIntegerArrayModel()
> instance.save()
> loaded = NullableIntegerArrayModel.objects.get(pk=instance.pk)
> self.assertEqual(loaded.field, None)
> self.assertEqual(instance.field, loaded.field)
New description:
Considering this class (from tests.postgres_tests.models):
{{{
class NullableIntegerArrayModel(models.Model):
field = ArrayField(models.IntegerField(), blank=True, null=True)
}}}
When I save it directly after initialization it will result in an error
django.db.utils.DataError: array value must start with "{" or dimension
information
LINE 1: ...ests_nullableintegerarraymodel" ("field") VALUES ('') RETURN...
This test will reproduce the error
{{{
def test_default_null(self):
instance = NullableIntegerArrayModel()
instance.save()
loaded = NullableIntegerArrayModel.objects.get(pk=instance.pk)
self.assertEqual(loaded.field, None)
self.assertEqual(instance.field, loaded.field)
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/23834#comment:2>
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