-CREATE TABLE `group_trtc` (
                               `id` bigint unsigned NOT NULL AUTO_INCREMENT COMMENT 'id',
                               `im_group_id` char(32) COLLATE utf8mb4_unicode_ci NOT NULL,
                               `created_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
                               `updated_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                               PRIMARY KEY (`id`),
                               UNIQUE KEY `im_group_id` (`im_group_id`),
                               KEY `created_time` (`created_time`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='使用trtc的群组';