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[2.2.x] Fixed UniqueConstraint example in ref/models/constraints.txt. 

Backport of f8f0f92ed9 from master
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Mariusz Felisiak 2019-04-24 12:58:35 +02:00
parent 46416554f3
commit 158cfebe87
1 changed files with 4 additions and 1 deletions
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docs/ref/models/constraints.txt
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@ -78,7 +78,10 @@ The name of the constraint.
A :class:`Q` object that specifies the condition you want the constraint to A :class:`Q` object that specifies the condition you want the constraint to
enforce. enforce.
For example, ``UniqueConstraint(fields=['user'], condition=Q(status='DRAFT')`` For example::
UniqueConstraint(fields=['user'], condition=Q(status='DRAFT'), name='unique_draft_user')
ensures that each user only has one draft. ensures that each user only has one draft.
These conditions have the same database restrictions as These conditions have the same database restrictions as