diff options
Diffstat (limited to 'docs/ref')
| -rw-r--r-- | docs/ref/models/fields.txt | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt index 5eabf84cad..35997801fb 100644 --- a/docs/ref/models/fields.txt +++ b/docs/ref/models/fields.txt @@ -278,8 +278,13 @@ don't need to set ``primary_key=True`` on any of your fields unless you want to override the default primary-key behavior. For more, see :ref:`automatic-primary-key-fields`. -``primary_key=True`` implies :attr:`null=False <Field.null>` and :attr:`unique=True <Field.unique>`. -Only one primary key is allowed on an object. +``primary_key=True`` implies :attr:`null=False <Field.null>` and +:attr:`unique=True <Field.unique>`. Only one primary key is allowed on an +object. + +The primary key field is read-only. If you change the value of the primary +key on an existing object and then save it, a new object will be created +alongside the old one. ``unique`` ---------- |