66
If your Player
model looks like this:
class Player(models.Model):
name = models.CharField(max_length=200)
Then, you can execute this query:
Group.objects.filter(player__name__in=['Player1','Player2'])
Which roughly translates to “find all groups that have players whose names match ‘Player1’ and ‘Player2′”
Or you can fetch the player
objects individually:
p1 = Player.objects.get(name='Player1')
p2 = Player.objects.get(name='Player2')
groups = Group.objects.filter(player=p1).filter(player=p2)
31
The easiest solution for you will be:
p1 = Player.objects.get(id=1)
p2 = Player.objects.get(id=2)
groups = Group.objects.filter(member=p1).filter(member=p2)
Note that you can’t use the __in filter like this because this will result in an OR and return groups that don’t contain both players:
Group.objects.filter(member__in=[1, 2])
- [Django]-No Module named django.core
- [Django]-Count frequency of values in pandas DataFrame column
- [Django]-How do you dynamically hide form fields in Django?
13
For me __in
did not work. I ended up using the complex Q lookup
which works perfectly and you can or
filter conditions with. Use it like this:
from django.db.models import Q
p1 = Player.objects.get(name='Player1')
p2 = Player.objects.get(name='Player2')
querySet = Group.objects.filter(Q(member=p1) | Q(member=p2))
- [Django]-How to automatically run tests when there's any change in my project (Django)?
- [Django]-Django development IDE
- [Django]-What does on_delete do on Django models?
Source:stackexchange.com