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			116 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.db import connection, models
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| 
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| from .fields import (
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|     ArrayField, BigIntegerRangeField, DateRangeField, DateTimeRangeField,
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|     FloatRangeField, HStoreField, IntegerRangeField, JSONField,
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| )
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| 
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| 
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| class PostgreSQLModel(models.Model):
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|     class Meta:
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|         abstract = True
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|         required_db_vendor = 'postgresql'
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| 
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| 
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| class IntegerArrayModel(PostgreSQLModel):
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|     field = ArrayField(models.IntegerField())
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| 
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| 
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| class NullableIntegerArrayModel(PostgreSQLModel):
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|     field = ArrayField(models.IntegerField(), blank=True, null=True)
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| 
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| 
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| class CharArrayModel(PostgreSQLModel):
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|     field = ArrayField(models.CharField(max_length=10))
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| 
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| 
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| class DateTimeArrayModel(PostgreSQLModel):
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|     datetimes = ArrayField(models.DateTimeField())
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|     dates = ArrayField(models.DateField())
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|     times = ArrayField(models.TimeField())
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| 
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| 
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| class NestedIntegerArrayModel(PostgreSQLModel):
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|     field = ArrayField(ArrayField(models.IntegerField()))
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| 
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| 
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| class OtherTypesArrayModel(PostgreSQLModel):
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|     ips = ArrayField(models.GenericIPAddressField())
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|     uuids = ArrayField(models.UUIDField())
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|     decimals = ArrayField(models.DecimalField(max_digits=5, decimal_places=2))
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| 
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| 
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| class HStoreModel(PostgreSQLModel):
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|     field = HStoreField(blank=True, null=True)
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| 
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| 
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| class CharFieldModel(models.Model):
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|     field = models.CharField(max_length=16)
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| 
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| 
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| class TextFieldModel(models.Model):
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|     field = models.TextField()
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| 
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| 
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| # Only create this model for postgres >= 9.2
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| if connection.vendor == 'postgresql' and connection.pg_version >= 90200:
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|     class RangesModel(PostgreSQLModel):
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|         ints = IntegerRangeField(blank=True, null=True)
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|         bigints = BigIntegerRangeField(blank=True, null=True)
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|         floats = FloatRangeField(blank=True, null=True)
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|         timestamps = DateTimeRangeField(blank=True, null=True)
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|         dates = DateRangeField(blank=True, null=True)
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| 
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|     class RangeLookupsModel(PostgreSQLModel):
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|         parent = models.ForeignKey(RangesModel, models.SET_NULL, blank=True, null=True)
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|         integer = models.IntegerField(blank=True, null=True)
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|         big_integer = models.BigIntegerField(blank=True, null=True)
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|         float = models.FloatField(blank=True, null=True)
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|         timestamp = models.DateTimeField(blank=True, null=True)
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|         date = models.DateField(blank=True, null=True)
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| 
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| else:
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|     # create an object with this name so we don't have failing imports
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|     class RangesModel(object):
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|         pass
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| 
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|     class RangeLookupsModel(object):
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|         pass
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| 
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| 
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| # Only create this model for postgres >= 9.4
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| if connection.vendor == 'postgresql' and connection.pg_version >= 90400:
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|     class JSONModel(models.Model):
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|         field = JSONField(blank=True, null=True)
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| else:
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|     # create an object with this name so we don't have failing imports
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|     class JSONModel(object):
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|         pass
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| 
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| 
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| class ArrayFieldSubclass(ArrayField):
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|     def __init__(self, *args, **kwargs):
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|         super(ArrayFieldSubclass, self).__init__(models.IntegerField())
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| 
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| 
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| class AggregateTestModel(models.Model):
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|     """
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|     To test postgres-specific general aggregation functions
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|     """
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|     char_field = models.CharField(max_length=30, blank=True)
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|     integer_field = models.IntegerField(null=True)
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|     boolean_field = models.NullBooleanField()
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| 
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| 
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| class StatTestModel(models.Model):
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|     """
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|     To test postgres-specific aggregation functions for statistics
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|     """
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|     int1 = models.IntegerField()
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|     int2 = models.IntegerField()
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|     related_field = models.ForeignKey(AggregateTestModel, models.SET_NULL, null=True)
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| 
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| 
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| class NowTestModel(models.Model):
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|     when = models.DateTimeField(null=True, default=None)
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