Functors for SQL application-defined (aggregation) functions. More...

Collaboration diagram for MexFunctors:

Public Member Functions
	MexFunctors (ValueMex &exception, const ValueMex &func, const ValueMex &step, const ValueMex &final)
	Ctor.

	MexFunctors (MexFunctors &other)
	Copy Ctor.

	MexFunctors (MexFunctors &&other)
	Move Ctor.

MexFunctors &	operator= (const MexFunctors &other)
	Copy assignment.

MexFunctors &	operator= (MexFunctors &&other)
	Move assignment.

	~MexFunctors ()
	Dtor.

void	swapException (ValueMex &exception)
	Exchange exception stack information.

void	initGroupData ()
	Initialize data for "step" and "final" function.

ValueMex &	getData ()
	Return data array from "step" and "final" function.

const ValueMex &	getFunc (int nr) const
	Return one of the functors (function, init or final)

ValueMex	dupFunc (int nr) const
	Duplicate one of the functors (function, init or final)

bool	checkFunc (int nr) const
	Check if function handle is valid (not empty and of functon handle class)

bool	IsEmpty () const
	Check if one of the functors is empty.

bool	IsValid () const
	Check if all functors are valid.

Public Attributes
bool	m_busy
	true, if function is in progress to prevent recursive calls

Private Member Functions
	MexFunctors ()
	inhibit standard Ctor

	MexFunctors (const MexFunctors &other)
	Copy Ctor.

Private Attributes
ValueMex	m_functors [3]
	Function handles (function, step, final)

ValueMex	m_group_data
	Data container for "step" and "final" functions.

ValueMex *	m_pexception
	Exception stack information.

Detailed Description

Functors for SQL application-defined (aggregation) functions.

Definition at line 172 of file sql_interface.hpp.

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

Public Types