app/django/db/backends/mysql/validation.py
author Daniel Diniz <ajaksu@gmail.com>
Fri, 03 Jul 2009 14:35:03 +0200
changeset 2502 2e096acc8720
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Surveys can now have required questions and comments can be turned on/off. Storing comments is now working. However some issues arise when form errors occur, like missing context and the errors also trigger before a form has been submitted. Reviewed by: Lennard de Rijk

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]])))