Django Book 翻译
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*Iterating* : A ``QuerySet`` is iterable, and it executes its database query the first time you iterate over it. For example, the following ``QuerySet`` isnt evaluated until its iterated over in the ``for`` loop:
翻译:
*迭代* : ``QuerySet`` 是可以迭代的,它会在迭代结束的时候执行数据库查询。例如,下面的这个 ``QuerySet`` 在for循环迭代完毕之前,是不会被赋值的:
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