app/django/db/backends/mysql/validation.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Tue, 20 Jan 2009 22:01:02 +0000
changeset 852 c94bf642be8d
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Replace css class 'notice' that is used in User profile template field help text with new 'fieldhelptext' class. Notice is part of CSS for notification bar and we want width limit just for field help text not for notification bar text. Patch by: Pawel Solyga 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]])))