Fixed #32442 -- Used converters on returning fields from INSERT statements.

tests/custom_pk/fields.py

@@ -20,7 +20,7 @@ class MyWrapper:
         return self.value == other
 
 
-class MyAutoField(models.CharField):
+class MyWrapperField(models.CharField):
 
     def __init__(self, *args, **kwargs):
         kwargs['max_length'] = 10
@@ -58,3 +58,15 @@ class MyAutoField(models.CharField):
         if isinstance(value, MyWrapper):
             return str(value)
         return value
+
+
+class MyAutoField(models.BigAutoField):
+    def from_db_value(self, value, expression, connection):
+        if value is None:
+            return None
+        return MyWrapper(value)
+
+    def get_prep_value(self, value):
+        if value is None:
+            return None
+        return int(value)