app/django/db/backends/mysql/validation.py
author Daniel Bentley <dbentley@google.com>
Wed, 15 Apr 2009 08:01:17 +0000
changeset 2184 a1bda9afa5d0
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Step 2 of moving to new seeding model. Create Seeder class, which abstracts some seeding. Move user to Seeder class, and make new OrganizationSeeder class. If people like this, I'll finish the rest soon. Patch by: Dan Bentley
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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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