Fixed regression from a2dd618e3b
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@ -17,7 +17,8 @@ class DatabaseValidation(BaseDatabaseValidation):
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if getattr(field, 'rel', None) is None:
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if getattr(field, 'rel', None) is None:
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field_type = field.db_type(connection)
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field_type = field.db_type(connection)
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if (field_type.startswith('varchar') # Look for CharFields...
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if (field_type is not None # Not all fields have a db_type (whyever...)
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and field_type.startswith('varchar') # Look for CharFields...
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and field.unique # ... that are unique
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and field.unique # ... that are unique
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and (field.max_length is None or int(field.max_length) > 255)):
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and (field.max_length is None or int(field.max_length) > 255)):
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errors.append(
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errors.append(
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