Hello, I would suggest https://www.youtube.com/watch?v=bgV39DlmZ2U if you'd like to understand how the ORM is structured in layers.
-- Aymeric. Le lun. 13 mai 2019 à 12:16, Adam Johnson <m...@adamj.eu> a écrit : > Yes there isn't much documented on the ORM internals, but there are other > resources. The DUTH videos are a great start and inspired me to get started > contributing to Django. Specifically: > > - https://www.youtube.com/watch?v=CGF-0csOjPw > - https://www.youtube.com/watch?v=-4jhPRfCRSM > - https://www.youtube.com/watch?v=-1tt0S__kQk > > This talk is also on my to-watch list, from James Bennett, he covers a lot > of internals: > > - https://www.youtube.com/watch?v=tkwZ1jG3XgA > > As for looking through the code, try looking at django.contrib.postgres > first - it's interesting as it's all *extensions* to the ORM (custom > fields, migration operations, etc.) so an easier on ramp than diving into > the inner code of Query etc. It's what insipred me to make my library > django-mysql ( https://github.com/adamchainz/django-mysql ) that does the > same kind of stuff for MySQL/MariaDB. > > Then maybe look itno tracing some simple queryset operations, such as > Foo.objects.all(), and see all the steps that goes through. Understand what > Query is and how SQLCompiler converts it to SQL that the database backend > executes. > > Hope that helps, > > Adam > > On Mon, 13 May 2019 at 09:54, Mahdi Zareie <mahdixar...@gmail.com> wrote: > >> Great, thanks >> >> On Monday, May 13, 2019 at 1:17:08 PM UTC+4:30, J. Pic wrote: >>> >>> Hi Mahdi, >>> >>> I would suggest reading the code and test code in the tests/ directory >>> for the ORM. >>> >>> There might also be some videos from Django Under The Hood conferences, >>> found some here: >>> >>> https://www.google.com/search?q=Django+Under+The+Hood+orm&tbm=vid >>> >>> Best >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django developers (Contributions to Django itself)" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to django-developers+unsubscr...@googlegroups.com. >> To post to this group, send email to django-developers@googlegroups.com. >> Visit this group at https://groups.google.com/group/django-developers. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-developers/81554698-8fad-4fd0-a534-a566725058b3%40googlegroups.com >> <https://groups.google.com/d/msgid/django-developers/81554698-8fad-4fd0-a534-a566725058b3%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > -- > Adam > > -- > You received this message because you are subscribed to the Google Groups > "Django developers (Contributions to Django itself)" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-developers+unsubscr...@googlegroups.com. > To post to this group, send email to django-developers@googlegroups.com. > Visit this group at https://groups.google.com/group/django-developers. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-developers/CAMyDDM00cB5Mz%2Bsec3KpF%3DEF9Z4yXipzMwuag7q%2B5EFA8cch2g%40mail.gmail.com > <https://groups.google.com/d/msgid/django-developers/CAMyDDM00cB5Mz%2Bsec3KpF%3DEF9Z4yXipzMwuag7q%2B5EFA8cch2g%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Aymeric. -- You received this message because you are subscribed to the Google Groups "Django developers (Contributions to Django itself)" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-developers+unsubscr...@googlegroups.com. To post to this group, send email to django-developers@googlegroups.com. Visit this group at https://groups.google.com/group/django-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/django-developers/CANE-7mUixaF76W9MwN_y4ufvT%3D-hMq4PkuwFZVva4UafktOA9w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
