app/django/db/backends/mysql/validation.py
author Todd Larsen <tlarsen@google.com>
Sat, 22 Nov 2008 07:57:00 +0000
changeset 543 280a1ac6bcc1
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Merge soc/logic/out_of_band.py into soc/views/out_of_band.py. Merge errorResponse() and requestLogin() from soc/views/simple.py into out_of_band.Error and out_of_band.LoginRequest exception classes, respectively. Remove no-longer-used soc/logic/out_of_band.py and soc/views/simple.py. Fix some problems where usage of out_of_band was broken. Patch by: Todd Larsen

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]])))