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Code Issues Releases Wiki Activity

Fixed #35731 -- Extended db_default docs.

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This added a missing db_default reference in docs/topics/db/models.txt,
and added a reference to the DatabaseDefault object.
This commit is contained in:
Yash 2024-10-16 14:38:31 +05:30 committed by Sarah Boyce
parent 04adff9f98
commit 35ab2e0182
2 changed files with 14 additions and 0 deletions
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5
docs/ref/models/fields.txt
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@ -426,6 +426,11 @@ precedence when creating instances in Python code. ``db_default`` will still be
set at the database level and will be used when inserting rows outside of the
ORM or when adding a new field in a migration.
If a field has a ``db_default`` without a ``default`` set and no value is
assigned to the field, a ``DatabaseDefault`` object is returned as the field
value on unsaved model instances. The actual value for the field is determined
by the database when the model instance is saved.
``db_index``
------------

9
docs/topics/db/models.txt
View File

@ -224,6 +224,15 @@ ones:
object. If callable it will be called every time a new object is
created.
:attr:`~Field.db_default`
The database-computed default value for the field. This can be a literal
value or a database function.
If both ``db_default`` and :attr:`Field.default` are set, ``default`` will
take precedence when creating instances in Python code. ``db_default`` will
still be set at the database level and will be used when inserting rows
outside of the ORM or when adding a new field in a migration.
:attr:`~Field.help_text`
Extra "help" text to be displayed with the form widget. It's useful for
documentation even if your field isn't used on a form.