app/django/db/backends/mysql/validation.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Sun, 16 Nov 2008 12:48:23 +0000
changeset 484 6364f8b0656b
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Add an e-mail dispatcher that can be used to send messages via the website. Add base and invitation templates that can be used with email dispatcher to send invitation emails. Please read the module doc string for more information how to use it. Patch by: Lennard de Rijk, Pawel Solyga

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]])))