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CREATE TABLE `document_version` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `user_id` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL,
  `domain_id` int(11) NOT NULL DEFAULT 1,
  `doc_id` bigint(20) NOT NULL,
  `json` longtext COLLATE utf8mb4_unicode_ci NOT NULL,
  `created_at` datetime NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=671 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;