#21308: DatabaseError running tests with MySQL & utf8mb4 charset
----------------------------------------+--------------------
Reporter: Greg Barker <fletch@…> | Owner: nobody
Type: Bug | Status: new
Component: contrib.auth | Version: 1.5
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Character set and collation set to utf8mb4:
{{{
$ cat /etc/mysql/my.cnf | grep utf8
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
}}}
Create a new site
{{{
$ virtualenv test-env
$ cd test-env
$ source ./bin/activate
(temp-test) $ pip install django
(temp-test) $ pip install mysql-python
(temp-test) $ django-admin.py startproject mysite
}}}
Update settings.py to use MySQL and create your database
Then run the tests, hit the error
{{{
$ python mysite/manage.py test
Creating test database for alias 'default'...
DatabaseError: (1071, 'Specified key was too long; max key length is 767
bytes')
}}}
MySQL query log reveals it fails on this statement:
{{{
CREATE TABLE `auth_customuser` (
`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
`password` varchar(128) NOT NULL,
`last_login` datetime NOT NULL,
`email` varchar(255) NOT NULL UNIQUE,
`is_active` bool NOT NULL,
`is_admin` bool NOT NULL,
`date_of_birth` date NOT NULL
)
}}}
Which originates from custom_user.py in django.contrib.auth.tests
{{{
class CustomUser(AbstractBaseUser):
email = models.EmailField(verbose_name='email address',
max_length=255, unique=True)
is_active = models.BooleanField(default=True)
is_admin = models.BooleanField(default=False)
date_of_birth = models.DateField()
}}}
I think it should be like the User class, which does not specify the
max_length, so it defaults the value to 75.
--
Ticket URL: <https://code.djangoproject.com/ticket/21308>
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