DROP TABLE IF EXISTS `sys_user_signature`;
CREATE TABLE `sys_user_signature`  (
  `id` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '用户签名ID',
  `user_id` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '用户ID',
  `user_name` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '用户名',
  `file_id` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT '通用文件ID',
  `status` tinyint(1) NOT NULL COMMENT '状态(0：删除 1：正常)',
  `create_by` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NULL DEFAULT NULL COMMENT '创建用户',
  `create_time` datetime NULL DEFAULT NULL COMMENT '创建时间',
  `update_by` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NULL DEFAULT NULL COMMENT '更新用户',
  `update_time` datetime NULL DEFAULT NULL COMMENT '更新时间',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `uk_sys_user_signature_user_id` (`user_id`) USING BTREE,
  UNIQUE KEY `uk_sys_user_signature_file_id` (`file_id`) USING BTREE,
  KEY `idx_sys_user_signature_status` (`status`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin COMMENT = '用户签名表' ROW_FORMAT = DYNAMIC;