Because django offers a nice ORM that makes it easy to do most queries,
especially one-liners like this one.

And refactoring raw SQL is a royal PITA.


Cheers,
AT

On Wed, Mar 21, 2012 at 3:14 PM, Python_Junkie <
software.buy.des...@gmail.com> wrote:

> Use straight sql.
>
> There are always potentially limitations with an abstraction such as the
> ORM.
>
> Why try to fit a square peg into a round whole.
>
>
> On Wednesday, March 21, 2012 4:41:32 AM UTC-4, diafygi wrote:
>>
>> There is an old thread that didn't end in a resolution about
>> preventing joins in a filter(foreign_key=None) scenario.
>>
>> http://groups.google.com/**group/django-users/browse_**
>> thread/thread/61ee2fb22deae326<http://groups.google.com/group/django-users/browse_thread/thread/61ee2fb22deae326>
>>
>> I'd like to bring it up again and ask if there is now a way to prevent
>> joins from a query.
>>
>> An example:
>> class Blog(model.Models):
>>    editor = models.ForeignKey(User, null=True)
>>
>> # find all the blogs with no editors
>> >>> Blog.objects.filter(editor=**None)
>> DEBUG:django.db.backends:(0.**039) SELECT `myapp_blog`.`id` FROM
>> `myapp_blog` LEFT OUTER JOIN `myapp_user` ON (`myapp_blog`.`editor_id`
>> = `myapp_user`.`id`) WHERE `myapp_user`.`id` IS NULL;
>>
>> # Is there a way to do this query?
>> >>> Blog.objects.filter(editor=**None)
>> DEBUG:django.db.backends:(0.**039) SELECT `myapp_blog`.`id` FROM
>> `myapp_blog` WHERE `myapp_blog`.`editor_id` IS NULL;
>>
>> Thanks!
>> Daniel
>
>  --
> You received this message because you are subscribed to the Google Groups
> "Django users" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/django-users/-/NfvXnYxnHBkJ.
>
> To post to this group, send email to django-users@googlegroups.com.
> To unsubscribe from this group, send email to
> django-users+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/django-users?hl=en.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com.
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en.

Reply via email to