'Get the boto3 structure describing the DynamoDB table schema.'

def _get_table_schema(self):

    return dict(AttributeDefinitions=[{u'AttributeName': self._key_field.name, u'AttributeType': self._key_field.data_type}], TableName=self.table_name, KeySchema=[{u'AttributeName': self._key_field.name, u'KeyType': u'HASH'}], ProvisionedThroughput={u'ReadCapacityUnits': self.read_capacity_units, u'WriteCapacityUnits': self.write_capacity_units})
