Inheritance diagram for set_var_user:

Collaboration diagram for set_var_user:

Public Member Functions
	set_var_user (Item_func_set_user_var *item)
int	check (THD *thd)
int	update (THD *thd)
int	light_check (THD *thd)
void	print (THD thd, String str)
Public Member Functions inherited from set_var_base
virtual bool	is_var_optimizer_trace () const

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

Definition at line 271 of file set_var.h.

Member Function Documentation

int set_var_user::light_check ( THD * thd )

virtual

Check variable, but without assigning value (used by PS).

Parameters

thd	thread handler

Return values

0	ok
1	ERROR, message sent (normally no variables was updated)
-1	ERROR, message not sent

Reimplemented from set_var_base.

Definition at line 722 of file set_var.cc.

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