Refs #31630 -- Removed DatabaseFeatures.can_introspect_autofield.

django/db/backends/base/features.py

@@ -125,12 +125,10 @@ class BaseDatabaseFeatures:
     # which can't do it for MyISAM tables
     can_introspect_foreign_keys = True
 
-    # Can the backend introspect an AutoField, instead of an IntegerField?
-    can_introspect_autofield = False
-
     # Map fields which some backends may not be able to differentiate to the
     # field it's introspected as.
     introspected_field_types = {
+        'AutoField': 'AutoField',
         'BigAutoField': 'BigAutoField',
         'BigIntegerField': 'BigIntegerField',
         'BinaryField': 'BinaryField',

django/db/backends/mysql/features.py

@@ -14,7 +14,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_forward_references = False
     supports_regex_backreferencing = False
     supports_date_lookup_using_string = False
-    can_introspect_autofield = True
     supports_index_column_ordering = False
     supports_timezones = False
     requires_explicit_null_ordering_when_grouping = True

django/db/backends/oracle/features.py

@@ -11,7 +11,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     has_select_for_update_of = True
     select_for_update_of_column = True
     can_return_columns_from_insert = True
-    can_introspect_autofield = True
     supports_subqueries_in_group_by = False
     supports_transactions = True
     supports_timezones = False

django/db/backends/sqlite3/features.py

@@ -18,7 +18,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_timezones = False
     max_query_params = 999
     supports_mixed_date_datetime_comparisons = False
-    can_introspect_autofield = True
     supports_transactions = True
     atomic_transactions = False
     can_rollback_ddl = True