Fixed #14286 -- Added models.BigAutoField.

docs/ref/models/fields.txt

@@ -388,12 +388,22 @@ according to available IDs. You usually won't need to use this directly; a
 primary key field will automatically be added to your model if you don't specify
 otherwise. See :ref:`automatic-primary-key-fields`.
 
+``BigAutoField``
+----------------
+
+.. class:: BigAutoField(**options)
+
+.. versionadded:: 1.10
+
+A 64-bit integer, much like an :class:`AutoField` except that it is
+guaranteed to fit numbers from ``1`` to ``9223372036854775807``.
+
 ``BigIntegerField``
 -------------------
 
 .. class:: BigIntegerField(**options)
 
-A 64 bit integer, much like an :class:`IntegerField` except that it is
+A 64-bit integer, much like an :class:`IntegerField` except that it is
 guaranteed to fit numbers from ``-9223372036854775808`` to
 ``9223372036854775807``. The default form widget for this field is a
 :class:`~django.forms.TextInput`.

docs/releases/1.10.txt

@@ -242,6 +242,10 @@ Models
   :class:`~django.db.models.Func`. This attribute can be used to set the number
   of arguments the function accepts.
 
+* Added :class:`~django.db.models.BigAutoField` which acts much like an
+  :class:`~django.db.models.AutoField` except that it is guaranteed
+  to fit numbers from ``1`` to ``9223372036854775807``.
+
 Requests and Responses
 ^^^^^^^^^^^^^^^^^^^^^^
 

docs/topics/forms/modelforms.txt

@@ -56,6 +56,8 @@ Model field                         Form field
 =================================== ==================================================
 :class:`AutoField`                  Not represented in the form
 
+:class:`BigAutoField`               Not represented in the form
+
 :class:`BigIntegerField`            :class:`~django.forms.IntegerField` with
                                     ``min_value`` set to -9223372036854775808
                                     and ``max_value`` set to 9223372036854775807.