import datetime import uuid from decimal import Decimal from django.db import models from django.utils import timezone try: from PIL import Image except ImportError: Image = None class Country(models.Model): name = models.CharField(max_length=255) iso_two_letter = models.CharField(max_length=2) description = models.TextField() class Meta: constraints = [ models.UniqueConstraint( fields=["iso_two_letter", "name"], name="country_name_iso_unique", ), ] class ProxyCountry(Country): class Meta: proxy = True class ProxyProxyCountry(ProxyCountry): class Meta: proxy = True class ProxyMultiCountry(ProxyCountry): pass class ProxyMultiProxyCountry(ProxyMultiCountry): class Meta: proxy = True class Place(models.Model): name = models.CharField(max_length=100) class Meta: abstract = True class Restaurant(Place): pass class Pizzeria(Restaurant): pass class State(models.Model): two_letter_code = models.CharField(max_length=2, primary_key=True) class TwoFields(models.Model): f1 = models.IntegerField(unique=True) f2 = models.IntegerField(unique=True) name = models.CharField(max_length=15, null=True) class UpsertConflict(models.Model): number = models.IntegerField(unique=True) rank = models.IntegerField() name = models.CharField(max_length=15) class NoFields(models.Model): pass class SmallAutoFieldModel(models.Model): id = models.SmallAutoField(primary_key=True) class BigAutoFieldModel(models.Model): id = models.BigAutoField(primary_key=True) class NullableFields(models.Model): # Fields in db.backends.oracle.BulkInsertMapper big_int_filed = models.BigIntegerField(null=True, default=1) binary_field = models.BinaryField(null=True, default=b"data") date_field = models.DateField(null=True, default=timezone.now) datetime_field = models.DateTimeField(null=True, default=timezone.now) decimal_field = models.DecimalField( null=True, max_digits=2, decimal_places=1, default=Decimal("1.1") ) duration_field = models.DurationField(null=True, default=datetime.timedelta(1)) float_field = models.FloatField(null=True, default=3.2) integer_field = models.IntegerField(null=True, default=2) null_boolean_field = models.BooleanField(null=True, default=False) positive_big_integer_field = models.PositiveBigIntegerField( null=True, default=2**63 - 1 ) positive_integer_field = models.PositiveIntegerField(null=True, default=3) positive_small_integer_field = models.PositiveSmallIntegerField( null=True, default=4 ) small_integer_field = models.SmallIntegerField(null=True, default=5) time_field = models.TimeField(null=True, default=timezone.now) auto_field = models.ForeignKey(NoFields, on_delete=models.CASCADE, null=True) small_auto_field = models.ForeignKey( SmallAutoFieldModel, on_delete=models.CASCADE, null=True ) big_auto_field = models.ForeignKey( BigAutoFieldModel, on_delete=models.CASCADE, null=True ) # Fields not required in BulkInsertMapper char_field = models.CharField(null=True, max_length=4, default="char") email_field = models.EmailField(null=True, default="user@example.com") file_field = models.FileField(null=True, default="file.txt") file_path_field = models.FilePathField(path="/tmp", null=True, default="file.txt") generic_ip_address_field = models.GenericIPAddressField( null=True, default="127.0.0.1" ) if Image: image_field = models.ImageField(null=True, default="image.jpg") slug_field = models.SlugField(null=True, default="slug") text_field = models.TextField(null=True, default="text") url_field = models.URLField(null=True, default="/") uuid_field = models.UUIDField(null=True, default=uuid.uuid4) class RelatedModel(models.Model): name = models.CharField(max_length=15, null=True) country = models.OneToOneField(Country, models.CASCADE, primary_key=True) big_auto_fields = models.ManyToManyField(BigAutoFieldModel)