Z
Size: a a a
Z
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datas = TankData.objects.prefetch_related('tank').filter(
checkid=True, checkid3=False, timestamp__gte="2019-09-16 00:00:00")[:300]
Z
avg = TankData.objects.filter(
tank=instance.tank,
record_time__year=instance.record_time.year,
record_time__month=instance.record_time.month,
record_time__day=instance.record_time.day,
record_time__hour=instance.record_time.hour).values("volume", "density", "mass",
"level", "temperature", "water_level")
DT
НК
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DT
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RS
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