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from django.db import models
from timescale.db.models.querysets import *
from typing import Optional
class TimescaleManager(models.Manager):
"""
A custom model manager specifically designed around the Timescale
functions and tooling that has been ported to Django's ORM.
"""
def get_queryset(self):
return TimescaleQuerySet(self.model, using=self._db)
def time_bucket(self, field, interval):
return self.get_queryset().time_bucket(field, interval)
def time_bucket_ng(self, field, interval):
return self.get_queryset().time_bucket_ng(field, interval)
def time_bucket_gapfill(self, field: str, interval: str, start: datetime, end: datetime, datapoints: Optional[int] = None):
return self.get_queryset().time_bucket_gapfill(field, interval, start, end, datapoints)
def histogram(self, field: str, min_value: float, max_value: float, num_of_buckets: int = 5):
return self.get_queryset().histogram(field, min_value, max_value, num_of_buckets)
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