std::stringsql="select \"name\" from public.__layer_info__ where net_code in(select code from public.__layer_net_info__ where \"name\" ='"+netName+"' and \"schema\" = '"+schema+"')";
std::stringsql="select \"name\" from public.__layer_info__ where net_code in(select code from public.__layer_net_info__ where \"name\" ='"+utf8NetName+"' and \"schema\" = '"+schema+"')";