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			39 lines
		
	
	
	
		
			900 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
	
		
			900 B
		
	
	
	
		
			Python
		
	
	
	
	
	
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from django.db import models
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GENDER_CHOICES = (
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    ('M', 'Male'),
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    ('F', 'Female'),
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)
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class Account(models.Model):
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    num = models.IntegerField()
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class Person(models.Model):
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    name = models.CharField(max_length=20)
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    gender = models.CharField(max_length=1, choices=GENDER_CHOICES)
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    pid = models.IntegerField(null=True, default=None)
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    def __str__(self):
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        return self.name
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class Employee(Person):
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    employee_num = models.IntegerField(default=0)
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    profile = models.ForeignKey('Profile', models.SET_NULL, related_name='profiles', null=True)
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    accounts = models.ManyToManyField('Account', related_name='employees', blank=True)
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class Profile(models.Model):
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    name = models.CharField(max_length=200)
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    salary = models.FloatField(default=1000.0)
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    def __str__(self):
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        return self.name
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class ProxyEmployee(Employee):
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    class Meta:
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        proxy = True
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