foreign_key.hpp File Reference

#include "../utils/error_handling.hpp"
#include "column.hpp"
#include "meta.hpp"
#include <array>
#include <string_view>
#include <type_traits>

Go to the source code of this file.

Classes
class	relx::schema::foreign_key< LocalColumnPtr, ReferencedColumnPtr >
	Represents a foreign key constraint on a table. More...
class	relx::schema::composite_foreign_key< ColumnPtrs >
	Represents a composite foreign key constraint with multiple columns. More...
struct	relx::schema::fk_impl< std::tuple< std::integral_constant< decltype(LocalColumns), LocalColumns >... >, std::tuple< std::integral_constant< decltype(ReferencedColumns), ReferencedColumns >... > >
struct	relx::schema::pack_element< 0, First, Rest... >
struct	relx::schema::pack_element< N, First, Rest... >

Namespaces
namespace	relx
	relx database connection
namespace	relx::schema

Typedefs
template<auto... Args>
using	relx::schema::fk = decltype(make_fk< Args... >())
	Type alias for foreign key using the make_fk helper.

Enumerations
enum class	relx::schema::reference_action {   relx::schema::cascade , relx::schema::restrict , relx::schema::set_null , relx::schema::set_default ,   relx::schema::no_action }
	Foreign key actions. More...

Functions
constexpr std::string_view	relx::schema::reference_action_to_string (reference_action action)
	Convert reference action to SQL string.
template<auto... Args>
auto	relx::schema::make_fk ()
	Helper function to create a foreign key.
template<auto... Args>
auto	relx::schema::make_fk (reference_action on_delete, reference_action on_update)
	Helper function to create a foreign key with reference actions.