Copy_field Class Reference

#include <field.h>

Public Member Functions
	Copy_field ()=default
	Copy_field (Field *to, Field *from)
void	set (Field *to, Field *from)
void	invoke_do_copy (bool reverse=false)
void	invoke_do_copy2 (const Field *from_field, Field *to_field)
Field *	from_field () const
Field *	to_field () const

Public Attributes
String	tmp

Private Types
using	Copy_func = void(Copy_field *, const Field *, Field *)
	Convenience definition of a copy function returned by get_copy_func. More...

Private Member Functions
Copy_func *	get_copy_func ()

Private Attributes
void(*	m_do_copy )(Copy_field *, const Field *, Field *)
void(*	m_do_copy2 )(Copy_field *, const Field *, Field *)
Field *	m_from_field {nullptr}
Field *	m_to_field {nullptr}

Member Typedef Documentation

Copy_func

using Copy_field::Copy_func = void(Copy_field *, const Field *, Field *)

private

Convenience definition of a copy function returned by get_copy_func.

The parameters are: Copy_field* Instance of this class. Used for accessing 'tmp' and calling invoke_do_copy2(). const Field* Field copying from. Field* Field copying to. Note that 'from' is 'm_to_field' if invoke_do_copy() is called with 'reverse' = true.

Constructor & Destructor Documentation

Copy_field() [1/2]

Copy_field::Copy_field ( )

default

Copy_field() [2/2]

Copy_field::Copy_field ( Field *  to, Field *  from  )

inline

Member Function Documentation

from_field()

Field * Copy_field::from_field ( ) const

inline

get_copy_func()

Copy_field::Copy_func * Copy_field::get_copy_func ( )

private

invoke_do_copy()

void Copy_field::invoke_do_copy

(

bool

reverse = false

)

invoke_do_copy2()

void Copy_field::invoke_do_copy2	(	const Field *	from_field,
		Field *	to_field
	)

set()

void Copy_field::set	(	Field *	to,
		Field *	from
	)

to_field()

Field * Copy_field::to_field ( ) const

inline

Member Data Documentation

m_do_copy

void(* Copy_field::m_do_copy) (Copy_field *, const Field *, Field *)

private

m_do_copy2

void(* Copy_field::m_do_copy2) (Copy_field *, const Field *, Field *)

private

m_from_field

Field* Copy_field::m_from_field {nullptr}

private

m_to_field

Field* Copy_field::m_to_field {nullptr}

private

tmp

String Copy_field::tmp

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The documentation for this class was generated from the following files:

• sql/field.h
• sql/field_conv.cc