CREATE TABLE `p_topic_user` ( `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, `topic_id` BIGINT UNSIGNED NOT NULL COMMENT '标签ID', `user_id` BIGINT UNSIGNED NOT NULL COMMENT '创建者ID', `alias_name` VARCHAR ( 255 ) COMMENT '别名', `remark` VARCHAR ( 512 ) COMMENT '备注', `quote_num` BIGINT UNSIGNED COMMENT '引用数', `is_top` TINYINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '是否置顶 0 为未置顶、1 为已置顶', `created_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '创建时间', `modified_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '修改时间', `deleted_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '删除时间', `is_del` TINYINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '是否删除 0 为未删除、1 为已删除', `reserve_a` VARCHAR ( 255 ) COMMENT '保留字段a', `reserve_b` VARCHAR ( 255 ) COMMENT '保留字段b', PRIMARY KEY ( `id` ) USING BTREE, UNIQUE KEY `idx_topic_user_uid_tid` ( `topic_id`, `user_id` ) USING BTREE ) ENGINE = INNODB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '用户话题';