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from django.contrib.postgres.fields import (
ArrayField, BigIntegerRangeField, DateRangeField, DateTimeRangeField,
FloatRangeField, HStoreField, IntegerRangeField,
)
from django.db import connection, models
class IntegerArrayModel(models.Model):
field = ArrayField(models.IntegerField())
class NullableIntegerArrayModel(models.Model):
field = ArrayField(models.IntegerField(), blank=True, null=True)
class CharArrayModel(models.Model):
field = ArrayField(models.CharField(max_length=10))
class DateTimeArrayModel(models.Model):
datetimes = ArrayField(models.DateTimeField())
dates = ArrayField(models.DateField())
times = ArrayField(models.TimeField())
class NestedIntegerArrayModel(models.Model):
field = ArrayField(ArrayField(models.IntegerField()))
class OtherTypesArrayModel(models.Model):
ips = ArrayField(models.GenericIPAddressField())
uuids = ArrayField(models.UUIDField())
decimals = ArrayField(models.DecimalField(max_digits=5, decimal_places=2))
class HStoreModel(models.Model):
field = HStoreField(blank=True, null=True)
class CharFieldModel(models.Model):
field = models.CharField(max_length=16)
class TextFieldModel(models.Model):
field = models.TextField()
# Only create this model for databases which support it
if connection.vendor == 'postgresql' and connection.pg_version >= 90200:
class RangesModel(models.Model):
ints = IntegerRangeField(blank=True, null=True)
bigints = BigIntegerRangeField(blank=True, null=True)
floats = FloatRangeField(blank=True, null=True)
timestamps = DateTimeRangeField(blank=True, null=True)
dates = DateRangeField(blank=True, null=True)
else:
# create an object with this name so we don't have failing imports
class RangesModel(object):
pass
class ArrayFieldSubclass(ArrayField):
def __init__(self, *args, **kwargs):
super(ArrayFieldSubclass, self).__init__(models.IntegerField())
class AggregateTestModel(models.Model):
"""
To test postgres-specific general aggregation functions
"""
char_field = models.CharField(max_length=30, blank=True)
integer_field = models.IntegerField(null=True)
boolean_field = models.NullBooleanField()
class StatTestModel(models.Model):
"""
To test postgres-specific aggregation functions for statistics
"""
int1 = models.IntegerField()
int2 = models.IntegerField()
related_field = models.ForeignKey(AggregateTestModel, null=True)
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