13 lines
785 B
Python
13 lines
785 B
Python
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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