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Fixed #35103 -- Used provided error code and message when fields is set without a condition on UniqueConstraint.

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gabn88
2024-01-11 17:43:52 +01:00
committed by Sarah Boyce
parent 1979b1403a
commit e970bb7ca7
5 changed files with 89 additions and 23 deletions
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52
docs/ref/models/constraints.txt
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@@ -282,27 +282,47 @@ PostgreSQL 15+.
.. attribute:: UniqueConstraint.violation_error_code
The error code used when ``ValidationError`` is raised during
:ref:`model validation <validating-objects>`. Defaults to ``None``.
The error code used when a ``ValidationError`` is raised during
:ref:`model validation <validating-objects>`.
This code is *not used* for :class:`UniqueConstraint`\s with
:attr:`~UniqueConstraint.fields` and without a
:attr:`~UniqueConstraint.condition`. Such :class:`~UniqueConstraint`\s have the
same error code as constraints defined with :attr:`.Field.unique` or in
:attr:`Meta.unique_together <django.db.models.Options.constraints>`.
Defaults to :attr:`.BaseConstraint.violation_error_code`, when either
:attr:`.UniqueConstraint.condition` is set or :attr:`.UniqueConstraint.fields`
is not set.
If :attr:`.UniqueConstraint.fields` is set without a
:attr:`.UniqueConstraint.condition`, defaults to the :attr:`Meta.unique_together
<django.db.models.Options.unique_together>` error code when there are multiple
fields, and to the :attr:`.Field.unique` error code when there is a single
field.
.. versionchanged:: 5.2
In older versions, the provided
:attr:`.UniqueConstraint.violation_error_code` was not used when
:attr:`.UniqueConstraint.fields` was set without a
:attr:`.UniqueConstraint.condition`.
``violation_error_message``
---------------------------
.. attribute:: UniqueConstraint.violation_error_message
The error message used when ``ValidationError`` is raised during
:ref:`model validation <validating-objects>`. Defaults to
:attr:`.BaseConstraint.violation_error_message`.
The error message used when a ``ValidationError`` is raised during
:ref:`model validation <validating-objects>`.
This message is *not used* for :class:`UniqueConstraint`\s with
:attr:`~UniqueConstraint.fields` and without a
:attr:`~UniqueConstraint.condition`. Such :class:`~UniqueConstraint`\s show the
same message as constraints defined with
:attr:`.Field.unique` or in
:attr:`Meta.unique_together <django.db.models.Options.constraints>`.
Defaults to :attr:`.BaseConstraint.violation_error_message`, when either
:attr:`.UniqueConstraint.condition` is set or :attr:`.UniqueConstraint.fields`
is not set.
If :attr:`.UniqueConstraint.fields` is set without a
:attr:`.UniqueConstraint.condition`, defaults to the :attr:`Meta.unique_together
<django.db.models.Options.unique_together>` error message when there are
multiple fields, and to the :attr:`.Field.unique` error message when there is a
single field.
.. versionchanged:: 5.2
In older versions, the provided
:attr:`.UniqueConstraint.violation_error_message` was not used when
:attr:`.UniqueConstraint.fields` was set without a
:attr:`.UniqueConstraint.condition`.