To be executed on a scheduler-interval-executor service:
from apps.campaigns.models import CampaignRequestsContainer, CampaignStrictRequest
before = CampaignStrictRequest.objects.count()
print(f'Deleting {before} requests')
CampaignStrictRequest.objects.all().delete()
requests_container = CampaignRequestsContainer()
requests_container.sync_with_db(force=True)
requests_container.reset()