// file : common/query/traits-mysql.hxx // author : Boris Kolpackov <boris@codesynthesis.com> // copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC // license : GNU GPL v2; see accompanying LICENSE file #ifndef TRAITS_MYSQL_HXX #define TRAITS_MYSQL_HXX #include <string> #include <memory> // std::auto_ptr #include <cstring> // std::memcpy #include <odb/mysql/traits.hxx> namespace odb { namespace mysql { template <> class value_traits<std::auto_ptr<std::string>, details::buffer, id_string> { public: typedef std::auto_ptr<std::string> value_type; typedef std::string query_type; typedef details::buffer image_type; static void set_value (std::auto_ptr<std::string>& v, const details::buffer& b, std::size_t n, bool is_null) { v.reset (is_null ? 0 : new std::string (b.data (), n)); } static void set_image (details::buffer& b, std::size_t& n, bool& is_null, const std::auto_ptr<std::string>& v) { is_null = v.get () == 0; if (!is_null) { n = v->size (); if (n > b.capacity ()) b.capacity (n); if (n != 0) std::memcpy (b.data (), v->c_str (), n); } } }; } } #endif // TRAITS_MYSQL_HXX