中国证券登记结算有限责任公司、上海证券交易所、上海证券中央登记结算公司联合公告_证券法法规_数据查询出错，错误信息已记录，<br>并反馈给管理员。请返回重试！<br>select * from demo_product_type2 where id=<br><br>You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 (1064)