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-rw-r--r--django/db/backends/base/features.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/django/db/backends/base/features.py b/django/db/backends/base/features.py
index 30d44c4796..8afc7eb516 100644
--- a/django/db/backends/base/features.py
+++ b/django/db/backends/base/features.py
@@ -143,6 +143,10 @@ class BaseDatabaseFeatures:
# Can the backend introspect a TimeField, instead of a DateTimeField?
can_introspect_time_field = True
+ # Some backends may not be able to differentiate BigAutoField from other
+ # fields such as AutoField.
+ introspected_big_auto_field_type = 'BigAutoField'
+
# Some backends may not be able to differentiate BooleanField from other
# fields such as IntegerField.
introspected_boolean_field_type = 'BooleanField'