Inheritance diagram for Diagnostics_information_item:

Collaboration diagram for Diagnostics_information_item:

Public Member Functions
bool	set_value (THD thd, Item *value)

Protected Member Functions
	Diagnostics_information_item (Item *target)
virtual	~Diagnostics_information_item ()

Additional Inherited Members
Static Public Member Functions inherited from Sql_alloc
static void *	operator new (size_t size) throw ()
static void *	operator new[] (size_t size) throw ()
static void *	operator new[] (size_t size, MEM_ROOT *mem_root) throw ()
static void *	operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void *ptr, size_t size)

Detailed Description

A diagnostics information item. Used to associate a specific diagnostics information item to a target variable.

Definition at line 136 of file sql_get_diagnostics.h.

Constructor & Destructor Documentation

Diagnostics_information_item::Diagnostics_information_item ( Item * target )

inlineprotected

Constructor, used to represent a diagnostics information item.

Parameters

target A target that gets the value of this item.

Definition at line 156 of file sql_get_diagnostics.h.

virtual Diagnostics_information_item::~Diagnostics_information_item ( )

inlineprotectedvirtual

Diagnostics_information_item objects are allocated in thd->mem_root. Do not rely on the destructor for any cleanup.

Definition at line 164 of file sql_get_diagnostics.h.

bool Diagnostics_information_item::set_value	(	THD *	thd,
		Item **	value
	)

Set a value for this item.

Parameters

thd	The current thread.
value	The obtained value.

Return values

false	on success.
true	on error.

Definition at line 101 of file sql_get_diagnostics.cc.

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