查询列
SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA`=‘agvlaser‘ AND `TABLE_NAME`=‘driver‘;
查询毫秒时间戳
select ROUND(UNIX_TIMESTAMP(CURTIME(4)) * 1000)
mysql 查询某表的所有列,获取毫秒时间戳
原文：https://www.cnblogs.com/wolbo/p/15026107.html
