mysql 將select查詢的值賦給update set語句中
阿新 • • 發佈:2019-02-03
表tenant_oper結構:
create table `tenant_oper` (
`id` int(11) not null auto_increment,
`oper_name` varchar(255) not null,
`oper_code` varchar(255) not null,
`remark` varchar(512) default "",
`menu_id` int default 0,
primary key (`id`)
) engine=InnoDB default charset=utf8;
表tenant_menu結構:
sql語句:create table `tenant_menu` ( `id` int(11) not null auto_increment, `menu_code` varchar(255) not null, `menu_name` varchar(255) not null, `menu_position` smallint not null, `menu_url` varchar(255) default "", `parent_id` int default 0, primary key (`id`) ) engine=InnoDB default charset=utf8;
update tenant_oper set oper_code = '5_4_1_1', menu_id = (select id from tenant_menu where menu_code = '5_4_1') where oper_code = '5_4_1';