module/news/news.cpp:28: error: no matching function for call to ‘std::pair, std::allocator > >::pair(, pqxx::result::field)’ /usr/include/c++/4.1.3/bits/stl_pair.h:84: note: candidates are: std::pair<_T1, _T2>::pair(const _T1&, const _T2&) [with _T1 = int, _T2 = std::basic_string, std::allocator >] /usr/include/c++/4.1.3/bits/stl_pair.h:80: note: std::pair<_T1, _T2>::pair() [with _T1 = int, _T2 = std::basic_string, std::allocator >] /usr/include/c++/4.1.3/bits/stl_pair.h:69: note: std::pair, std::allocator > >::pair(const std::pair, std::allocator > >&) module/news/news.cpp:28: error: expected primary-expression before ‘>’ token module/news/news.cpp:28: error: expected primary-expression before ‘)’ token make[1]: *** [all] Error 1