̺ : bbs_testʵ : admin_idʵ : uid
select * from bbs_test;
update bbs_test set admin_id = 'ready' where uid = '1';
bbs_test ̺ Ǿ ִ admin_id Ҷ ̴. update ̺(bbs_test) set ʵ(admin_id) ready ϰ uid='1'; ̴.