Django Queryset only() and defer()

Django Queryset only() and defer() References

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1. QuerySet API reference | Django documentation | Django

   Even if you think you are in the advanced use-case situation, only use defer() when you cannot, at queryset load time, ... you can combine calls to only() and defer() ...

   docs.djangoproject.com/en/dev/ref/​models/querysets - Cached
   

2. QuerySet API reference | Django documentation | Django

   A queryset that has deferred fields will still return model instances. ... you can combine calls to only() and defer() and things will behave logically:

   docs.djangoproject.com/en/1.3/ref/​models/querysets - Cached
   

3. Django : json serialize a queryset which uses defer() or only ...

   Now I\'ve been using json serializer and it works great. I had to modify my queries where I started using the only() & defer() filters, like so - retObj = OBJModel ...

   stackoverflow.com/questions/2096616/​django-json... - Cached
   

4. Django Queryset only() and defer() - Stack Overflow

   Stack Overflow is a question and answer site for professional and enthusiast programmers. It\'s 100% free, no registration required.

   stackoverflow.com/.../django-queryset-​only-and-defer - Cached
   

5. #16409 (`defer()` and `only()` don\'t play nice with `annotate ...

   When adding defer() or only() ... >>> from django.db.models import Count >>> from django ... Fixed #16409-- Fixed an error condition when using QuerySet only()/defer

   code.djangoproject.com/ticket/16409?amp - Cached
   

6. Version1.1Features â€" Django

   Read-only form fields ??? Karen ... QuerySet.defer()/QuerySet.fields() ... Integrate GSOC2008 djangosearch as django.contrib.search: defer: ...

   code.djangoproject.com/wiki/​Version1.1Features - Cached
   

7. Django REST framework - Filtering

   Django, API, REST , Filtering, Generic ... serializer_class = PurchaseSerializer def get_queryset ... and filter the queryset only if the username parameter is ...

   django-rest-framework.org/api-guide/​filtering.html - Cached
   

8. Django snippets: Memory efficient Django Queryset Iterator

   import gc def queryset_iterator ... \'\'\'\'\' Iterate over a Django Queryset ordered by the ... I needed a solution that chunks the querysets so they\'re only keeping a ...

   djangosnippets.org/snippets/1949 - Cached
   

9. Named Scopes for Django : Furry Brains

   ... having switched over to using only Django about a ... execution of any QuerySet methods defined in a scoped method are deferred until a QuerySet method is ...

   furrybrains.com/2009/06/22/named-scopes-​for-django - Cached
   

10. Django snippets: Queryset Foreach

    ... def queryset_foreach ... Call a function for each element in a queryset (actually, any list). ... Django Version: 1.0 Tags: queryset progress callback map foreach ...

    djangosnippets.org/snippets/1400 - Cached