`dev_num` varchar(255) NOT NULL DEFAULT '' ==>`dev_num` varchar(255)
NOT NULL DEFAULT '0'
| | |
| | | + " AND column_name='dev_num'"); |
| | | if(false == res.next()) { |
| | | sql.sqlMysqlExecute("ALTER TABLE " + Sql_Mysql.BattInf_Table |
| | | + " ADD COLUMN `dev_num` varchar(255) NOT NULL DEFAULT '' COMMENT '设备编号[a059用于标识设备]';"); |
| | | + " ADD COLUMN `dev_num` varchar(255) NOT NULL DEFAULT '0' COMMENT '设备编号[a059用于标识设备]';"); |
| | | }else{ |
| | | sql.sqlMysqlExecute("ALTER TABLE " + Sql_Mysql.BattInf_Table |
| | | + " CHANGE `dev_num` `dev_num` varchar(255) NOT NULL DEFAULT '0' COMMENT '设备编号[a059用于标识设备]';"); |
| | | } |
| | | |
| | | //设置column 去掉默认NOT NULL |
| | |
| | | V2.25 edit at date 2022-05-12 |
| | | 1.`db_ram_db`.`tb_fbs9100s_dfu_state`表新增字段停止原因 |
| | | `error_code` int(11) NOT NULL DEFAULT '0' COMMENT '错误代码[0:无;1:文件未找到;2:参数错误;3:文件发送超时;4:远程停止]' |
| | | 2.`db_battinf`.`tb_battinf`表字段'dev_num' |
| | | `dev_num` varchar(255) NOT NULL DEFAULT '' ==>`dev_num` varchar(255) NOT NULL DEFAULT '0' |
| | | |