add TODO comments
add TODO comments

zileyuan/xorm,Michael2008S/xorm,zj8487/xorm,aviau/xorm,go-xorm/xorm,tempbottle/xorm,evalphobia/xorm,evalphobia/xorm,zileyuan/xorm,vCaesar/xorm,lunny/xorm,Michael2008S/xorm,henrylee2cn/xorm,vCaesar/xorm,lunny/xorm,henrylee2cn/xorm,ymhhh/xorm,ymhhh/xorm,go-xorm/xorm,toophy/xorm,aviau/xorm,zj8487/xorm,tempbottle/xorm,toophy/xorm