it would probably be better to use a custom "Func"[1] and a custom "Query Expression" [2] than user QuerySet.extra
[1] https://docs.djangoproject.com/en/1.9/ref/models/database-functions [2] https://docs.djangoproject.com/en/1.9/ref/models/expressions/ On Mon, May 23, 2016 at 11:16 AM, Ketan Bhatt <[email protected]> wrote: > Take a look at the `extra` method of the queryset in Django. It allows you > to do what you are trying to do by raw SQL. > > > https://docs.djangoproject.com/en/1.9/ref/models/querysets/#django.db.models.query.QuerySet.extra > > Check the above link, the example with `annotate` will be interesting for > you. > > I think your aim should be to create a new field and then do a `order_by` > and `first`. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/5b556c8b-2012-4bd7-89c5-bddbbdb4c3b9%40googlegroups.com > . > For more options, visit https://groups.google.com/d/optout. > -- Fábio C. Barrionuevo da Luz Palmas - Tocantins - Brasil - América do Sul http://pythonclub.com.br/ Blog colaborativo sobre Python e tecnologias Relacionadas, mantido totalmente no https://github.com/pythonclub/pythonclub.github.io . Todos são livres para publicar. É só fazer fork, escrever sua postagem e mandar o pull-request. Leia mais sobre como publicar em README.md e contributing.md. Regra básica de postagem: "Você" acha interessante? É útil para "você"? Pode ser utilizado com Python ou é útil para quem usa Python? Está esperando o que? Publica logo, que estou louco para ler... -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAPVjvMZ3UOnmK-ynRuuTZFZUO4hLp91ZPkthj%2BNLQT%3D5jtcvhA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

