app/django/db/backends/mysql/validation.py
author Todd Larsen <tlarsen@google.com>
Tue, 20 Jan 2009 20:16:07 +0000
changeset 845 255faade3e30
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Add the agrees_to_tos property to Roles (as its own changeset this time...). Patch by: Todd Larsen Review by: to-be-reviewed

from django.db.backends import BaseDatabaseValidation

class DatabaseValidation(BaseDatabaseValidation):
    def validate_field(self, errors, opts, f):
        "Prior to MySQL 5.0.3, character fields could not exceed 255 characters"
        from django.db import models
        from django.db import connection
        db_version = connection.get_server_version()
        if db_version < (5, 0, 3) and isinstance(f, (models.CharField, models.CommaSeparatedIntegerField, models.SlugField)) and f.max_length > 255:
            errors.add(opts,
                '"%s": %s cannot have a "max_length" greater than 255 when you are using a version of MySQL prior to 5.0.3 (you are using %s).' % 
                (f.name, f.__class__.__name__, '.'.join([str(n) for n in db_version[:3]])))