46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
# uplim/models.py
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from django.db import models
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from django.db.models import UniqueConstraint
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class Survey(models.Model):
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number = models.IntegerField(unique=True)
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def __str__(self):
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return f"Survey {self.number}"
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class Pixel(models.Model):
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#id = models.AutoField(primary_key=True) # ~2 million pixels for a 4096 survey
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survey = models.ForeignKey(
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Survey,
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on_delete=models.CASCADE,
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related_name='pixels',
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default=0
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)
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hpid = models.IntegerField(db_index=True) # up to over 200 million
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counts = models.IntegerField() # f4, up to ~44k integer: 2 byte too small
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exposure = models.FloatField() # f4, up to ~13300 float
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contaminated = models.BooleanField(default=False)
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class Meta:
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constraints = [
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UniqueConstraint(fields=['survey','hpid'], name='unique_hpid_per_survey'),
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]
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def __str__(self):
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return f"Pixel {self.id} (Survey {self.survey.number})"
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