mirror of
https://github.com/django/django.git
synced 2024-11-22 03:18:31 +01:00
125 lines
3.2 KiB
Python
125 lines
3.2 KiB
Python
"""
|
|
Tests for F() query expression syntax.
|
|
"""
|
|
|
|
import uuid
|
|
|
|
from django.db import models
|
|
|
|
|
|
class Manager(models.Model):
|
|
name = models.CharField(max_length=50)
|
|
secretary = models.ForeignKey(
|
|
"Employee", models.CASCADE, null=True, related_name="managers"
|
|
)
|
|
|
|
|
|
class Employee(models.Model):
|
|
firstname = models.CharField(max_length=50)
|
|
lastname = models.CharField(max_length=50)
|
|
salary = models.IntegerField(blank=True, null=True)
|
|
manager = models.ForeignKey(Manager, models.CASCADE, null=True)
|
|
based_in_eu = models.BooleanField(default=False)
|
|
|
|
def __str__(self):
|
|
return "%s %s" % (self.firstname, self.lastname)
|
|
|
|
|
|
class RemoteEmployee(Employee):
|
|
adjusted_salary = models.IntegerField()
|
|
|
|
|
|
class Company(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
num_employees = models.PositiveIntegerField()
|
|
num_chairs = models.PositiveIntegerField()
|
|
ceo = models.ForeignKey(
|
|
Employee,
|
|
models.CASCADE,
|
|
related_name="company_ceo_set",
|
|
)
|
|
point_of_contact = models.ForeignKey(
|
|
Employee,
|
|
models.SET_NULL,
|
|
related_name="company_point_of_contact_set",
|
|
null=True,
|
|
)
|
|
based_in_eu = models.BooleanField(default=False)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class Number(models.Model):
|
|
integer = models.BigIntegerField(db_column="the_integer")
|
|
float = models.FloatField(null=True, db_column="the_float")
|
|
decimal_value = models.DecimalField(max_digits=20, decimal_places=17, null=True)
|
|
|
|
def __str__(self):
|
|
return "%i, %s, %s" % (
|
|
self.integer,
|
|
"%.3f" % self.float if self.float is not None else None,
|
|
"%.17f" % self.decimal_value if self.decimal_value is not None else None,
|
|
)
|
|
|
|
|
|
class Experiment(models.Model):
|
|
name = models.CharField(max_length=24)
|
|
assigned = models.DateField()
|
|
completed = models.DateField()
|
|
estimated_time = models.DurationField()
|
|
start = models.DateTimeField()
|
|
end = models.DateTimeField()
|
|
scalar = models.IntegerField(null=True)
|
|
|
|
class Meta:
|
|
db_table = "expressions_ExPeRiMeNt"
|
|
ordering = ("name",)
|
|
|
|
def duration(self):
|
|
return self.end - self.start
|
|
|
|
|
|
class Result(models.Model):
|
|
experiment = models.ForeignKey(Experiment, models.CASCADE)
|
|
result_time = models.DateTimeField()
|
|
|
|
def __str__(self):
|
|
return "Result at %s" % self.result_time
|
|
|
|
|
|
class Time(models.Model):
|
|
time = models.TimeField(null=True)
|
|
|
|
def __str__(self):
|
|
return str(self.time)
|
|
|
|
|
|
class SimulationRun(models.Model):
|
|
start = models.ForeignKey(Time, models.CASCADE, null=True, related_name="+")
|
|
end = models.ForeignKey(Time, models.CASCADE, null=True, related_name="+")
|
|
midpoint = models.TimeField()
|
|
|
|
def __str__(self):
|
|
return "%s (%s to %s)" % (self.midpoint, self.start, self.end)
|
|
|
|
|
|
class UUIDPK(models.Model):
|
|
id = models.UUIDField(primary_key=True, default=uuid.uuid4)
|
|
|
|
|
|
class UUID(models.Model):
|
|
uuid = models.UUIDField(null=True)
|
|
uuid_fk = models.ForeignKey(UUIDPK, models.CASCADE, null=True)
|
|
|
|
|
|
class Text(models.Model):
|
|
name = models.TextField()
|
|
|
|
|
|
class JSONFieldModel(models.Model):
|
|
data = models.JSONField(null=True)
|
|
|
|
class Meta:
|
|
required_db_features = {"supports_json_field"}
|