cpphibernate/include/cpphibernate/driver/mariadb/helper/key_properties.inl

#pragma once





namespace cpphibernate {
namespace mariadb {

    /* key_properties */

    template<>
    struct key_properties<uuid, void>
    {
        using key_type = uuid;

        static bool is_default(const key_type& key)
            { return key == key_type(); }

        static constexpr bool is_auto_generated()
            { return false; }

        static constexpr const char * create_table_argument()
            { return nullptr; }

        static constexpr const char * create_key_query()
            { return "SELECT Uuid()"; }
    };

    template<typename T_key>
    struct key_properties<
        T_key,
        mp::enable_if_t<mp::is_integral_v<mp::decay_t<T_key>>>>
    {
        using key_type = mp::decay_t<T_key>;

        static bool is_default(const key_type& key)
            { return key == key_type(); }

        static constexpr bool is_auto_generated()
            { return true; }

        static constexpr const char * create_table_argument()
            { return "AUTO_INCREMENT"; }

        static constexpr const char * create_key_query()
            { return nullptr; }
    };

} }