A few optimizations for primitive access method
A few optimizations for primitive access method

wavelets/YapDatabase,danthorpe/YapDatabase,devandroid/YapDatabase,nivanchikov/YapDatabase,jordanhamill/YapDatabase,qfish/YapDatabase,qfish/YapDatabase,RyanTech/YapDatabase,ello/YapDatabase,nivanchikov/YapDatabase,bufanwyl/YapDatabase,skeeet/YapDatabase,natan/YapDatabase,coryoso/YapDatabase,yakatak/YapDatabase,diehardest/YapDatabase,dezinezync/YapDatabase,zyggit/YapDatabase,danthorpe/YapDatabase,devandroid/YapDatabase,dezinezync/YapDatabase,soheilbm/YapDatabase,ello/YapDatabase,coryoso/YapDatabase,ramoslin02/YapDatabase,tommylitang/YapDatabase,cnbin/YapDatabase,diehardest/YapDatabase,devandroid/YapDatabase,nivanchikov/YapDatabase,jordanhamill/YapDatabase,soheilbm/YapDatabase,cnbin/YapDatabase,ramoslin02/YapDatabase,skeeet/YapDatabase,qfish/YapDatabase,dezinezync/YapDatabase,zyggit/YapDatabase,yakatak/YapDatabase,jordanhamill/YapDatabase,ramoslin02/YapDatabase,danthorpe/YapDatabase,yakatak/YapDatabase,bufanwyl/YapDatabase,nivanchikov/YapDatabase,diehardest/YapDatabase,ramoslin02/YapDatabase,jordanhamill/YapDatabase,nivanchikov/YapDatabase,danthorpe/YapDatabase,dezinezync/YapDatabase,yakatak/YapDatabase,zyggit/YapDatabase,qfish/YapDatabase,tommylitang/YapDatabase,tommylitang/YapDatabase,cnbin/YapDatabase,tommylitang/YapDatabase,skeeet/YapDatabase,cnbin/YapDatabase,diehardest/YapDatabase,bufanwyl/YapDatabase,devandroid/YapDatabase,wavelets/YapDatabase,cnbin/YapDatabase,ello/YapDatabase,devandroid/YapDatabase,danthorpe/YapDatabase,natan/YapDatabase,qfish/YapDatabase,RyanTech/YapDatabase,zyggit/YapDatabase,RyanTech/YapDatabase,coryoso/YapDatabase,natan/YapDatabase,wavelets/YapDatabase,skeeet/YapDatabase,wavelets/YapDatabase,bufanwyl/YapDatabase,RyanTech/YapDatabase,natan/YapDatabase,soheilbm/YapDatabase,coryoso/YapDatabase,dezinezync/YapDatabase,jordanhamill/YapDatabase,yakatak/YapDatabase,natan/YapDatabase,soheilbm/YapDatabase,ramoslin02/YapDatabase,ello/YapDatabase