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詳細說明,我使用的是Django模型。MYSQL:SELECT * FROM table WHERE created_time <NOW()或NOW()。replace(second = 0)?
1)MyModel.objects.filter(created_time__lte=timezone.now())
VS
2)MyModel.objects.filter(created_time__lte=timezone.now().replace(second=0))
無論2)比1越好),在不考慮準確,因爲它似乎2)將達到的MySQL緩存?
謝謝!