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Fixed #35275 -- Fixed Meta.constraints validation crash on UniqueConstraint with OpClass().

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This also introduces Expression.constraint_validation_compatible that
allows specifying that expression should be ignored during a constraint
validation.
This commit is contained in:
Mariusz Felisiak
2024-05-12 20:10:55 +02:00
committed by Sarah Boyce
parent ceaf1e2848
commit f030236a86
8 changed files with 61 additions and 11 deletions
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9
docs/ref/models/expressions.txt
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@@ -1058,6 +1058,15 @@ calling the appropriate methods on the wrapped expression.
Tells Django that this expression can be used in
:attr:`Field.db_default`. Defaults to ``False``.
.. attribute:: constraint_validation_compatible
.. versionadded:: 5.1
Tells Django that this expression can be used during a constraint
validation. Expressions with ``constraint_validation_compatible`` set
to ``False`` must have only one source expression. Defaults to
``True``.
.. attribute:: contains_aggregate
Tells Django that this expression contains an aggregate and that a