Alex Stepanenko xelaxela13
- Hillel IT School
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| from django.db.models import OuterRef | |
| weapons = Weapon.objects.filter(unit__player_id=OuterRef('id')) | |
| units = Unit.objects.filter(player_id=OuterRef('id')) | |
| qs = Player.objects.annotate(weapon_count=SubqueryCount(weapons), | |
| rarity_sum=SubquerySum(units, 'rarity')) |