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from django.contrib.postgres.fields import (
ArrayField, HStoreField, IntegerRangeField, BigIntegerRangeField,
FloatRangeField, DateTimeRangeField, DateRangeField,
)
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):
field = ArrayField(models.DateTimeField())
class NestedIntegerArrayModel(models.Model):
field = ArrayField(ArrayField(models.IntegerField()))
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())
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