cpphibernate/include/cpphibernate/driver/mariadb/classes/attributes/attributes.h

#pragma once

#include <set>

#include <cpphibernate/config.h>

namespace cpphibernate {
namespace mariadb {

    namespace __impl
    {

        /**
         * @brief Helper class to create attributes type.
         */
        template<typename X, typename = void>
        struct attributes_builder;

    }

    /**
     * @brief Attributes enumeration
     */
    enum class attribute_t
    {
        hex,            //!< The field is stored hex encoded.
        compress,       //!< The field is stored compressed.
        primary_key,    //!< The field is the primary key.
    };

    /**
     * @brief Set of attributes.
     */
    struct attributes_t :
        public std::set<attribute_t>
    {
        using base_type = std::set<attribute_t>;
        using base_type::base_type;
    };

    /**
     * @brief Predicate to create attributes set from attributes schema.
     */
    constexpr decltype(auto) make_attributes = mp::generic_predicate<__impl::attributes_builder> { };

} }