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Editorial Team
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Asked: 2026-06-01T07:34:33+00:00

Well this is a simple question i want to filter two elements sorted reverse

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Well this is a simple question i want to filter two elements sorted reverse by date.

The model is:

Class ModelName(models.Model):
    usr = models.ForeignKey(UserProfile)
    created = models.DateTimeField(default=datetime.datetime.now)

The way i do it is:

ModelName.object.filter(param=param).order_by('-created')[:2]

As per my understanding what i think happens behind the scene is:

  1. All the objects from ModelName are filtered

  2. they are sorted

  3. only two of them are selected.

Maybe i am wrong, if not then how can i filter only last two elements based on the date.

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1 Answer

  1. Editorial Team
    • All the objects from ModelName are filtered
    • they are sorted
    • only two of them are selected.

    Yes, but that’s done by the database, not by python. See querysets are lazy. So, that actually works pretty well since all this python:

    qs = ModelName.object.filter(param=param).order_by('-created')[:2]

    Will be converted to SQL when qs records are accessed (ie. for model in qs …)

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