void UpdateBean::act(AV& av, collection_nvp<E,S> nvp ){
sqlid_t index=0;
S& stream=nvp.stream;
av.diveTable(nvp.name);
std::string tab=av.getScope().table();
while(!stream.done()){
E& el=stream.getNext();
sqlid_t entry_id=Database::allocId(av.getConnection(), tab);
startRow(tab,entry_id, curRow()->id,index);
sql_nvp<E> el_nvp("item",el);
av & el_nvp;
commitRow(av.getConnection(), entry_id);
index++;
}
av.pop();
}
void UpdateBean::notifyDoneWalk(AV& av)
{
commitRow(av.getConnection(), av.getRootId());
}