// file : libcommon/common/common.txx // copyright : Copyright (c) 2005-2019 Code Synthesis Tools CC // license : GNU GPL v2; see accompanying LICENSE file // We have to use this helper function instead of just checking which // database is used because the DATABASE_* macro may not be defined // in a project that includes this header. // LIBCOMMON_EXPORT bool size_available (); template <typename T> std::size_t size (odb::result<T> r) { if (size_available ()) return r.size (); else { std::size_t n (0); for (typename odb::result<T>::iterator i (r.begin ()); i != r.end (); ++i) n++; return n; } }