diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/models/fields.txt | 9 | ||||
| -rw-r--r-- | docs/releases/1.8.txt | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt index 01fcb1a4ed..4eb16d4345 100644 --- a/docs/ref/models/fields.txt +++ b/docs/ref/models/fields.txt @@ -217,6 +217,15 @@ Note that ``lambda``\s cannot be used for field options like ``default`` because they cannot be :ref:`serialized by migrations <migration-serializing>`. See that documentation for other caveats. +The default value is used when new model instances are created and a value +isn't provided for the field. When the field is a primary key, the default is +also used when the field is set to ``None``. + +.. versionchanged:: 1.8 + + The default wasn't used for ``None`` primary key values in previous + versions. + ``editable`` ------------ diff --git a/docs/releases/1.8.txt b/docs/releases/1.8.txt index bee112b713..bbb932ada3 100644 --- a/docs/releases/1.8.txt +++ b/docs/releases/1.8.txt @@ -526,6 +526,9 @@ Models * You can now get the set of deferred fields for a model using :meth:`Model.get_deferred_fields() <django.db.models.Model.get_deferred_fields>`. +* Model field ``default``’s are now used when primary key field's are set to + ``None``. + Signals ^^^^^^^ |