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Code Issues 32 Releases Wiki Activity

Fixed #33335 -- Made model validation ignore functional unique constraints.

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Regression in 3aa545281e.

Thanks Hervé Le Roy for the report.
This commit is contained in:
Hannes Ljungberg
2021-12-04 21:03:38 +01:00
committed by Mariusz Felisiak
parent d3a64bea51
commit 1eaf38fa87
4 changed files with 35 additions and 6 deletions
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10
docs/ref/models/constraints.txt
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@@ -35,10 +35,12 @@ option.
not raise ``ValidationError``\s. Rather you'll get a database integrity
error on ``save()``. ``UniqueConstraint``\s without a
:attr:`~UniqueConstraint.condition` (i.e. non-partial unique constraints)
are different in this regard, in that they leverage the existing
``validate_unique()`` logic, and thus enable two-stage validation. In
addition to ``IntegrityError`` on ``save()``, ``ValidationError`` is also
raised during model validation when the ``UniqueConstraint`` is violated.
and :attr:`~UniqueConstraint.expressions` (i.e. non-functional unique
constraints) are different in this regard, in that they leverage the
existing ``validate_unique()`` logic, and thus enable two-stage validation.
In addition to ``IntegrityError`` on ``save()``, ``ValidationError`` is
also raised during model validation when the ``UniqueConstraint`` is
violated.
``CheckConstraint``
===================