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Fixed #20223 -- Added keep_lazy() as a replacement for allow_lazy().

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Thanks to bmispelon and uruz for the initial patch.
This commit is contained in:
Iacopo Spalletti 2015-11-07 14:30:20 +01:00 • committed by Tim Graham
parent 93fc23b2d5
commit d693074d43
21 changed files with 237 additions and 59 deletions
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docs/topics/performance.txt
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@ -223,7 +223,7 @@ QuerySet <when-querysets-are-evaluated>`. Avoiding the premature evaluation of
a ``QuerySet`` can save making an expensive and unnecessary trip to the
database.
Django also offers an :meth:`~django.utils.functional.allow_lazy` decorator.
Django also offers a :meth:`~django.utils.functional.keep_lazy` decorator.
This allows a function that has been called with a lazy argument to behave
lazily itself, only being evaluated when it needs to be. Thus the lazy argument
- which could be an expensive one - will not be called upon for evaluation