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Fixed #29979, Refs #17337 -- Extracted AutoField field logic into a mixin and refactored AutoFields.

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This reduces duplication by allowing AutoField, BigAutoField and
SmallAutoField to inherit from IntegerField, BigIntegerField and
SmallIntegerField respectively. Doing so also allows for enabling the
max_length warning check and minimum/maximum value validation for auto
fields, as well as providing a mixin that can be used for other possible
future auto field types such as a theoretical UUIDAutoField.
This commit is contained in:
Nick Pope
2017-12-11 15:36:33 +00:00
committed by Mariusz Felisiak
parent b10d322c41
commit 21e559495b
8 changed files with 171 additions and 128 deletions
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5
tests/validation/models.py
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@@ -130,4 +130,7 @@ try:
auto2 = models.AutoField(primary_key=True)
except AssertionError as exc:
assertion_error = exc
assert str(assertion_error) == "Model validation.MultipleAutoFields can't have more than one AutoField."
assert str(assertion_error) == (
"Model validation.MultipleAutoFields can't have more than one "
"auto-generated field."
)