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Diffstat (limited to 'django/db/backends/base/features.py')
| -rw-r--r-- | django/db/backends/base/features.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/django/db/backends/base/features.py b/django/db/backends/base/features.py index 11dd079110..79abad82cf 100644 --- a/django/db/backends/base/features.py +++ b/django/db/backends/base/features.py @@ -27,6 +27,11 @@ class BaseDatabaseFeatures: # Does the backend allow inserting duplicate rows when a unique_together # constraint exists and some fields are nullable but not all of them? supports_partially_nullable_unique_constraints = True + + # Does the backend supports specifying whether NULL values should be + # considered distinct in unique constraints? + supports_nulls_distinct_unique_constraints = False + # Does the backend support initially deferrable unique constraints? supports_deferrable_unique_constraints = False |