Django Book 翻译
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原文:
That means the same database query will be executed twice, effectively doubling your database load. Also, theres a possibility the two lists may not include the same database records, because an ``Entry`` may have been added or deleted in the split second between the two requests.
翻译:
这就意味着相同的数据库的查询会被执行两次,使数据库的负载加倍。而且这两个列表包含的数据可能不同,因为在两次查询的间隙,可能有一个 ``Entry`` 被添加或是删除了。
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