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Refs #25995 -- Documented that JSONField doesn't handle sophisticated serialization.

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Tim Graham 2016-01-04 11:07:05 -05:00
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docs/ref/contrib/postgres/fields.txt
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@ -467,6 +467,12 @@ JSONField
its Python native format: dictionaries, lists, strings, numbers, booleans its Python native format: dictionaries, lists, strings, numbers, booleans
and ``None``. and ``None``.
If you want to store other data types, you'll need to serialize them first.
For example, you might cast a ``datetime`` to a string. You might also want
to convert the string back to a ``datetime`` when you retrieve the data
from the database. There are some third-party ``JSONField`` implementations
which do this sort of thing automatically.
If you give the field a :attr:`~django.db.models.Field.default`, ensure If you give the field a :attr:`~django.db.models.Field.default`, ensure
it's a callable such as ``dict`` (for an empty default) or a callable that it's a callable such as ``dict`` (for an empty default) or a callable that
returns a dict (such as a function). Incorrectly using ``default={}`` returns a dict (such as a function). Incorrectly using ``default={}``