text: CREATE TABLE `avro_schema_element` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `avro_schema_id` int(11) NOT NULL,
    `key` varchar(512) NOT NULL,
    `element_type` varchar(64) NOT NULL,
    `doc` text NULL,
    `created_at` int(11) NOT NULL,
    `updated_at` int(11) NOT NULL,
    PRIMARY KEY (`id`),
    KEY `avro_schema_id` (`avro_schema_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
  