DROP TABLE IF EXISTS `email_task`; CREATE TABLE `task` ( `id` bigint NOT NULL AUTO_INCREMENT COMMENT 'ID', `type` tinyint NOT NULL COMMENT 'Task Type', `scope` text COLLATE utf8mb4_general_ci COMMENT 'Task Scope', `content` text COLLATE utf8mb4_general_ci COMMENT 'Task Content', `status` tinyint NOT NULL DEFAULT '0' COMMENT 'Task Status: 0: Pending, 1: In Progress, 2: Completed, 3: Failed', `errors` text COLLATE utf8mb4_general_ci COMMENT 'Task Errors', `total` bigint unsigned NOT NULL DEFAULT '0' COMMENT 'Total Number', `current` bigint unsigned NOT NULL DEFAULT '0' COMMENT 'Current Number', `created_at` datetime(3) DEFAULT NULL COMMENT 'Creation Time', `updated_at` datetime(3) DEFAULT NULL COMMENT 'Update Time', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;