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Code Issues 32 Releases Wiki Activity

Fixed #29339 -- Added result caching to RawQuerySet.

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This commit is contained in:
Adnan Umer
2018-04-18 22:25:59 +05:00
committed by Tim Graham
parent c1c163b427
commit ec0319ff82
4 changed files with 25 additions and 4 deletions
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3
docs/releases/2.1.txt
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@@ -401,6 +401,9 @@ Miscellaneous
* The admin CSS class ``field-box`` is renamed to ``fieldBox`` to prevent
conflicts with the class given to model fields named "box".
* ``QuerySet.raw()`` now caches its results like regular querysets. Use
``iterator()`` if you don't want caching.
.. _deprecated-features-2.1:
Features deprecated in 2.1

5
docs/topics/db/sql.txt
View File

@@ -91,10 +91,7 @@ options that make it very powerful.
:class:`~django.db.models.query.QuerySet`, ``RawQuerySet`` doesn't
implement all methods you can use with ``QuerySet``. For example,
``__bool__()`` and ``__len__()`` are not defined in ``RawQuerySet``, and
thus all ``RawQuerySet`` instances are considered ``True``. The reason
these methods are not implemented in ``RawQuerySet`` is that implementing
them without internal caching would be a performance drawback and adding
such caching would be backward incompatible.
thus all ``RawQuerySet`` instances are considered ``True``.
Mapping query fields to model fields
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