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django/tests/custom_columns/models.py
Jason Myers 7a61c68c50 PEP8 cleanup
Signed-off-by: Jason Myers <jason@jasonamyers.com>
2013-11-02 23:50:49 -05:00

47 lines
1.4 KiB
Python

"""
17. Custom column/table 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.
If your database table name is different than your model name, use the
``db_table`` Meta attribute. This has no effect on the API used to
query the database.
If you need to use a table name for a many-to-many relationship that differs
from the default generated name, use the ``db_table`` parameter on the
``ManyToManyField``. This has no effect on the API for querying the database.
"""
from __future__ import unicode_literals
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
class Author(models.Model):
first_name = models.CharField(max_length=30, db_column='firstname')
last_name = models.CharField(max_length=30, db_column='last')
def __str__(self):
return '%s %s' % (self.first_name, self.last_name)
class Meta:
db_table = 'my_author_table'
ordering = ('last_name', 'first_name')
@python_2_unicode_compatible
class Article(models.Model):
headline = models.CharField(max_length=100)
authors = models.ManyToManyField(Author, db_table='my_m2m_table')
def __str__(self):
return self.headline
class Meta:
ordering = ('headline',)