completed db null value and pointer type testing
completed db null value and pointer type testing

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