The PostgreSQL specific model fields docs are very specific about how to compare one RangeField to another range. But how do you compare a range to a single point? For example, if I've got a model with valid_range=DateTimeRangeField, and I want to find all instances which are no longer valid, I need to do something like: from django.utils import timezone as tz MyProduct.objects.filter(valid_range__lt=tz.now()) But this isn't allowed. I thought I could use fully_lt but that's not allowed with a particular date either. How do I filter a DateTimeRangeField to find instances whose ranges ended before a certain datetime? Continue reading...
