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| author | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2019-07-18 12:56:25 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-18 12:56:25 +0200 |
| commit | 230d75f59c43b9731465c4ec92ad714e301637b8 (patch) | |
| tree | 3a5ff6d4037786fe4109c836618f83551d15360e /docs | |
| parent | a3417282ac0464a9a2d1d7685bcfef10feed2597 (diff) | |
Refs #30547 -- Clarified that partial UniqueConstraints don't affect model validation.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/models/constraints.txt | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/docs/ref/models/constraints.txt b/docs/ref/models/constraints.txt index b5b77b8654..f6d1842c14 100644 --- a/docs/ref/models/constraints.txt +++ b/docs/ref/models/constraints.txt @@ -35,11 +35,12 @@ option. In general constraints are **not** checked during ``full_clean()``, and do not raise ``ValidationError``\s. Rather you'll get a database integrity - error on ``save()``. ``UniqueConstraint``\s 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. + 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. ``CheckConstraint`` =================== |
