text: -- create table taskrecord
  drop table if exists `robber`.`stock`;
  create table `robber`.`stock` (
      `code` CHAR(8) NOT NULL COMMENT '股票代码',
      `name` VARCHAR(32) NOT NULL COMMENT '名称',
      `suspend` VARCHAR(32) NOT NULL COMMENT '停牌状态',
      `create_timestamp` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
      `modify_timestamp` TIMESTAMP COMMENT '修改时间',
       PRIMARY KEY(`code`)
  );
  