app/django/db/backends/mysql/validation.py
author Lennard de Rijk <ljvderijk@gmail.com>
Tue, 03 Feb 2009 08:25:47 +0000
changeset 1195 cbef45d75942
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Fixed a bug where a GMAP error message would be displayed when the form was not valid. The wrong params were used, so the wrong template was used to display the form. This also caused the instruction_text to dissapear. Patch by: Lennard de Rijk Reviewed 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]])))