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"""
17. Custom column names
If your database column name is different than your model attribute, use the
``db_column`` parameter. Note that you'll use the field's name, not its column
name, in API usage.
"""
from django.db import models
class Person(models.Model):
first_name = models.CharField(maxlength=30, db_column='firstname')
last_name = models.CharField(maxlength=30, db_column='last')
def __str__(self):
return '%s %s' % (self.first_name, self.last_name)
API_TESTS = """
# Create a Person.
>>> p = Person(first_name='John', last_name='Smith')
>>> p.save()
>>> p.id
1
>>> Person.objects.all()
[<Person: John Smith>]
>>> Person.objects.filter(first_name__exact='John')
[<Person: John Smith>]
>>> Person.objects.get(first_name__exact='John')
<Person: John Smith>
>>> Person.objects.filter(firstname__exact='John')
Traceback (most recent call last):
...
TypeError: Cannot resolve keyword 'firstname' into field
>>> p = Person.objects.get(last_name__exact='Smith')
>>> p.first_name
'John'
>>> p.last_name
'Smith'
>>> p.firstname
Traceback (most recent call last):
...
AttributeError: 'Person' object has no attribute 'firstname'
>>> p.last
Traceback (most recent call last):
...
AttributeError: 'Person' object has no attribute 'last'
"""
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