On Wed, Jul 6, 2011 at 12:36 AM, Venkatraman S <venka...@gmail.com> wrote:
> I tried asking around in IRC, and stumbled on a few possible solutions, > would be great if someone shed some more light: > > I have the following models: > > class Organization(models.Model): > name = models.CharField(max_length=100, blank=False) > > class Employees(models.Model): > org = models.ForeignKey(Organization, > related_name='employees') > user = models.ForeignKey(User) > name = models.CharField(max_length=100, blank=False) > > class Item(models.Model): > name = models.CharField(max_length=100, blank=False) > created_by = > models.ForeignKey(User,related_name='created_by_whom') > > Problem : I need to get all Items from the Organization to which current > User belongs to. > So basically, get all employees from the Org that the current User belongs > to, and then get all items created by these employees. (So, this query > should also include the current User). > > Say there are 3 Users in an org : A, B and C with each creating 3,4,5 items > respectively, and 'A' is the current user; then i need a query which returns > all these items(i.e, 12 items) when i supply A.. > This is the equivalent raw sql: select count(1) from myapp_items a where a.created_by_id in ( select e.user_id from myapp_employees e, myapp_organization o where e.org_id = o.id and o.id = (select o2.id from myapp_organization o2, myapp_employees e2 where e2.org_id = o2.id and e2.user_id=<<current_user_id>>) ) -- 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.
