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Fixed #30446 -- Resolved Value.output_field for stdlib types.

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This required implementing a limited form of dynamic dispatch to combine
expressions with numerical output. Refs #26355 should eventually provide
a better interface for that.
This commit is contained in:
Simon Charette 2019-05-12 17:17:47 -04:00 • committed by Mariusz Felisiak
parent d08e6f55e3
commit 1e38f1191d
10 changed files with 122 additions and 39 deletions
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9
docs/releases/3.2.txt
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@ -233,6 +233,15 @@ Models
* The ``of`` argument of :meth:`.QuerySet.select_for_update()` is now allowed
on MySQL 8.0.1+.
* :class:`Value() <django.db.models.Value>` expression now
automatically resolves its ``output_field`` to the appropriate
:class:`Field <django.db.models.Field>` subclass based on the type of
it's provided ``value`` for :py:class:`bool`, :py:class:`bytes`,
:py:class:`float`, :py:class:`int`, :py:class:`str`,
:py:class:`datetime.date`, :py:class:`datetime.datetime`,
:py:class:`datetime.time`, :py:class:`datetime.timedelta`,
:py:class:`decimal.Decimal`, and :py:class:`uuid.UUID` instances.
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