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from django.db import connection, models
from django.db.models.functions import Lower
from django.utils.functional import SimpleLazyObject
class People(models.Model):
name = models.CharField(max_length=255)
parent = models.ForeignKey("self", models.CASCADE)
class Message(models.Model):
from_field = models.ForeignKey(People, models.CASCADE, db_column="from_id")
author = models.ForeignKey(People, models.CASCADE, related_name="message_authors")
class PeopleData(models.Model):
people_pk = models.ForeignKey(People, models.CASCADE, primary_key=True)
ssn = models.CharField(max_length=11)
class PeopleMoreData(models.Model):
people_unique = models.ForeignKey(People, models.CASCADE, unique=True)
message = models.ForeignKey(Message, models.CASCADE, blank=True, null=True)
license = models.CharField(max_length=255)
class ForeignKeyToField(models.Model):
to_field_fk = models.ForeignKey(
PeopleMoreData,
models.CASCADE,
to_field="people_unique",
)
class DigitsInColumnName(models.Model):
all_digits = models.CharField(max_length=11, db_column="123")
leading_digit = models.CharField(max_length=11, db_column="4extra")
leading_digits = models.CharField(max_length=11, db_column="45extra")
class SpecialName(models.Model):
field = models.IntegerField(db_column="field")
# Underscores
field_field_0 = models.IntegerField(db_column="Field_")
field_field_1 = models.IntegerField(db_column="Field__")
field_field_2 = models.IntegerField(db_column="__field")
# Other chars
prc_x = models.IntegerField(db_column="prc(%) x")
non_ascii = models.IntegerField(db_column="tamaño")
class Meta:
db_table = "inspectdb_special.table name"
class PascalCaseName(models.Model):
class Meta:
db_table = "inspectdb_pascal.PascalCase"
class ColumnTypes(models.Model):
id = models.AutoField(primary_key=True)
big_int_field = models.BigIntegerField()
bool_field = models.BooleanField(default=False)
null_bool_field = models.BooleanField(null=True)
char_field = models.CharField(max_length=10)
null_char_field = models.CharField(max_length=10, blank=True, null=True)
date_field = models.DateField()
date_time_field = models.DateTimeField()
decimal_field = models.DecimalField(max_digits=6, decimal_places=1)
email_field = models.EmailField()
file_field = models.FileField(upload_to="unused")
file_path_field = models.FilePathField()
float_field = models.FloatField()
int_field = models.IntegerField()
gen_ip_address_field = models.GenericIPAddressField(protocol="ipv4")
pos_big_int_field = models.PositiveBigIntegerField()
pos_int_field = models.PositiveIntegerField()
pos_small_int_field = models.PositiveSmallIntegerField()
slug_field = models.SlugField()
small_int_field = models.SmallIntegerField()
text_field = models.TextField()
time_field = models.TimeField()
url_field = models.URLField()
uuid_field = models.UUIDField()
class JSONFieldColumnType(models.Model):
json_field = models.JSONField()
null_json_field = models.JSONField(blank=True, null=True)
class Meta:
required_db_features = {
"can_introspect_json_field",
"supports_json_field",
}
test_collation = SimpleLazyObject(
lambda: connection.features.test_collations.get("non_default")
)
class CharFieldDbCollation(models.Model):
char_field = models.CharField(max_length=10, db_collation=test_collation)
class Meta:
required_db_features = {"supports_collation_on_charfield"}
class TextFieldDbCollation(models.Model):
text_field = models.TextField(db_collation=test_collation)
class Meta:
required_db_features = {"supports_collation_on_textfield"}
class CharFieldUnlimited(models.Model):
char_field = models.CharField(max_length=None)
class Meta:
required_db_features = {"supports_unlimited_charfield"}
class UniqueTogether(models.Model):
field1 = models.IntegerField()
field2 = models.CharField(max_length=10)
from_field = models.IntegerField(db_column="from")
non_unique = models.IntegerField(db_column="non__unique_column")
non_unique_0 = models.IntegerField(db_column="non_unique__column")
class Meta:
unique_together = [
("field1", "field2"),
("from_field", "field1"),
("non_unique", "non_unique_0"),
]
class FuncUniqueConstraint(models.Model):
name = models.CharField(max_length=255)
rank = models.IntegerField()
class Meta:
constraints = [
models.UniqueConstraint(
Lower("name"), models.F("rank"), name="index_lower_name"
)
]
required_db_features = {"supports_expression_indexes"}
class DbComment(models.Model):
rank = models.IntegerField(db_comment="'Rank' column comment")
class Meta:
db_table_comment = "Custom table comment"
required_db_features = {"supports_comments"}
class CompositePKModel(models.Model):
pk = models.CompositePrimaryKey("column_1", "column_2")
column_1 = models.IntegerField()
column_2 = models.IntegerField()
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