app/django/db/backends/mysql/validation.py
author Todd Larsen <tlarsen@google.com>
Wed, 15 Oct 2008 21:27:47 +0000
changeset 347 52676c696cd4
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
First phase of making the / (site/home) view generic enough to use it for Sponsor "home" page, Program "home" page, Organization "home" page, etc. when combined with HomeSettings. First phase of addressing this issue: http://code.google.com/p/soc/issues/detail?id=64 by factoring "Site Settings" apart from the site/home stuff. Patch by: Todd Larsen Review by: Pawel Solyga Review URL: http://codereviews.googleopensourceprograms.com/1405

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]])))