database::orm Namespace Reference

Classes
class	entity_base
	Base class for all ORM entities. More...
class	entity_manager
	Manages entity metadata and provides factory methods. More...
class	entity_metadata
	Metadata for entire entities including table mapping and relationships. More...
class	field_accessor
	Template class for type-safe field access. More...
class	field_metadata
	Metadata for entity fields including constraints and relationships. More...
struct	is_entity
struct	is_entity< T, std::void_t< typename T::primary_key_type, decltype(std::declval< T >().table_name()), decltype(std::declval< T >().get_metadata()) > >
class	query_builder
	Template query builder for type-safe ORM queries. More...

Enumerations
enum class	field_constraint {   none = 0 , primary_key = 1 , not_null = 2 , unique = 4 ,   auto_increment = 8 , index = 16 , foreign_key = 32 , default_now = 64 }

Functions
field_constraint	operator| (field_constraint a, field_constraint b)
bool	has_constraint (field_constraint constraints, field_constraint check)
field_constraint	primary_key ()
field_constraint	not_null ()
field_constraint	unique ()
field_constraint	auto_increment ()
field_constraint	default_now ()
field_constraint	index (const std::string &name="")
field_constraint	foreign_key (const std::string &table, const std::string &field)

Variables
template<typename T >
constexpr bool	is_entity_v = is_entity<T>::value
template<typename T >
constexpr bool	is_field_type_v

Enumeration Type Documentation

field_constraint

enum class database::orm::field_constraint

strong

Enumerator
none
primary_key
not_null
unique
auto_increment
index
foreign_key
default_now

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h.

Definition at line 54 of file entity.h.

                                {
        none = 0,
        primary_key = 1,
        not_null = 2,
        unique = 4,
        auto_increment = 8,
        index = 16,
        foreign_key = 32,
        default_now = 64
    };

Function Documentation

auto_increment()

field_constraint database::orm::auto_increment ( )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h, and orm_framework_demo.cpp.

Definition at line 303 of file entity.h.

{ return field_constraint::auto_increment; }

References auto_increment.

Referenced by TEST_F().

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default_now()

field_constraint database::orm::default_now ( )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h, and orm_framework_demo.cpp.

Definition at line 304 of file entity.h.

{ return field_constraint::default_now; }

References default_now.

Referenced by TEST_F().

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foreign_key()

field_constraint database::orm::foreign_key ( const std::string & table, const std::string & field )

inline

Definition at line 310 of file entity.h.

                                                                                        {
        return field_constraint::foreign_key;
    }

References foreign_key.

has_constraint()

bool database::orm::has_constraint ( field_constraint constraints, field_constraint check )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h.

Definition at line 69 of file entity.h.

                                                                                     {
        return (static_cast<int>(constraints) & static_cast<int>(check)) != 0;
    }

Referenced by database::orm::field_metadata::has_default_now(), database::orm::field_metadata::has_index(), database::orm::field_metadata::is_auto_increment(), database::orm::field_metadata::is_foreign_key(), database::orm::field_metadata::is_not_null(), database::orm::field_metadata::is_primary_key(), database::orm::field_metadata::is_unique(), and TEST_F().

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index()

field_constraint database::orm::index ( const std::string & name = "" )

inline

Definition at line 306 of file entity.h.

                                                              {
        return field_constraint::index;
    }

References index.

not_null()

field_constraint database::orm::not_null ( )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h, and orm_framework_demo.cpp.

Definition at line 301 of file entity.h.

{ return field_constraint::not_null; }

References not_null.

Referenced by TEST_F().

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operator|()

field_constraint database::orm::operator| ( field_constraint a, field_constraint b )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h.

Definition at line 65 of file entity.h.

                                                                              {
        return static_cast<field_constraint>(static_cast<int>(a) | static_cast<int>(b));
    }

primary_key()

field_constraint database::orm::primary_key ( )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h, and orm_framework_demo.cpp.

Definition at line 300 of file entity.h.

{ return field_constraint::primary_key; }

References primary_key.

Referenced by TEST_F().

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unique()

field_constraint database::orm::unique ( )

inline

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h, and orm_framework_demo.cpp.

Definition at line 302 of file entity.h.

{ return field_constraint::unique; }

References unique.

Referenced by TEST_F().

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Variable Documentation

is_entity_v

template<typename T >

bool database::orm::is_entity_v = is_entity<T>::value

inlineconstexpr

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h.

Definition at line 38 of file entity.h.

is_field_type_v

template<typename T >

bool database::orm::is_field_type_v

inlineconstexpr

Initial value:

=
        std::is_same_v<T, int32_t> ||
        std::is_same_v<T, int64_t> ||
        std::is_same_v<T, double> ||
        std::is_same_v<T, std::string> ||
        std::is_same_v<T, bool> ||
        std::is_same_v<T, std::chrono::system_clock::time_point>

Examples

/home/runner/work/database_system/database_system/database/orm/entity.h.

Definition at line 41 of file entity.h.