ÎÒÏÖÔÚ²ÉÓõÄÊÇ
 object = Modelclass.objects.all()
 object[-1]

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On 12/24/06, 风向标 <vaneoooo在gmail.com> wrote:
>
> 我现在采用的是
>  object = Modelclass.objects.all()
>  object[-1]
>
> 可是这样的查询好像要去全部提取出来，有一定数据量以后效率不佳
>
> 怎么去提取最后存入的一个元素呢？

那可以考虑使用倒排序后，取第一个不就行了。

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On 12/25/06, limodou <limodou在gmail.com> wrote:
>
> On 12/24/06, ·çÏò±ê <vaneoooo在gmail.com> wrote:
> >
> > ÎÒÏÖÔÚ²ÉÓõÄÊÇ
> >  object = Modelclass.objects.all()
> >  object[-1]
> >
> > ¿ÉÊÇÕâÑùµÄ²éѯºÃÏñҪȥȫ²¿ÌáÈ¡³öÀ´£¬ÓÐÒ»¶¨Êý¾ÝÁ¿ÒÔºóЧÂʲ»¼Ñ
> >
> > ÔõôȥÌáÈ¡×îºó´æÈëµÄÒ»¸öÔªËØÄØ£¿
>
> ÄÇ¿ÉÒÔ¿¼ÂÇʹÓõ¹ÅÅÐòºó£¬È¡µÚÒ»¸ö²»¾ÍÐÐÁË¡£
>
> --
> I like python!
> UliPad <>: http://wiki.woodpecker.org.cn/moin/UliPad
> My Blog: http://www.donews.net/limodou
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