app/django/db/backends/mysql/validation.py
author Sverre Rabbelier <srabbelier@gmail.com>
Tue, 08 Sep 2009 14:56:39 +0200
changeset 2882 3fbbb56b7925
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Add a view to start conversion tasks
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from django.db.backends import BaseDatabaseValidation
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class DatabaseValidation(BaseDatabaseValidation):
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    def validate_field(self, errors, opts, f):
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        "Prior to MySQL 5.0.3, character fields could not exceed 255 characters"
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        from django.db import models
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        from django.db import connection
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        db_version = connection.get_server_version()
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        if db_version < (5, 0, 3) and isinstance(f, (models.CharField, models.CommaSeparatedIntegerField, models.SlugField)) and f.max_length > 255:
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            errors.add(opts,
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                '"%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).' % 
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                (f.name, f.__class__.__name__, '.'.join([str(n) for n in db_version[:3]])))
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