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Add LimitOffsetPagination.get_count to allow method override #5846

merged 2 commits into from Mar 23, 2018


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@chukkwagon chukkwagon commented Feb 22, 2018


This PR:

  • removes pagination._get_count
  • adds LimitOffsetPagination.get_count instance method
  • modifies LimitOffsetPagination.paginate_queryset

I have a custom pagination class that subclasses LimitOffsetPagination. When paginating a large queryset with an .order_by() clause, the combination of sorting can add a lot of overhead to the pagination calculation, which in turn slows down the entire response. Adding get_count() as an instance method gives developers the ability to override it's behavior if necessary. In my case, I will override the method to remove any ordering constraints from the queryset.

def get_count(self, queryset):
Determine an object count, supporting either querysets or regular lists.
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@rpkilby rpkilby Feb 23, 2018

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docstring spacing should be fixed

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tomchristie commented Feb 23, 2018

Yup I'm okay with this, pending @rpkilby's suggested changes.

@tomchristie tomchristie merged commit a7e2a7b into encode:master Mar 23, 2018
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tomchristie commented Mar 23, 2018


pchiquet pushed a commit to pchiquet/django-rest-framework that referenced this issue Nov 17, 2020

* Add LimitOffsetPagination.get_count to allow method override

* Format method docstring
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3 participants