sp_variable Class Reference

#include <sp_pcontext.h>

Inheritance diagram for sp_variable:

Collaboration diagram for sp_variable:

Public Types
enum	enum_mode { MODE_IN, MODE_OUT, MODE_INOUT }

Public Member Functions
	sp_variable (LEX_STRING _name, enum_field_types _type, enum_mode _mode, uint _offset)

Public Attributes
LEX_STRING	name
	Name of the SP-variable.
enum enum_field_types	type
	Field-type of the SP-variable.
enum_mode	mode
	Mode of the SP-variable.
uint	offset
Item *	default_value
	Default value of the SP-variable (if any).
Create_field	field_def
	Full type information (field meta-data) of the SP-variable.

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

This class represents a stored program variable or a parameter (also referenced as 'SP-variable').

Definition at line 29 of file sp_pcontext.h.

Member Data Documentation

uint sp_variable::offset

The index to the variable's value in the runtime frame.

It is calculated during parsing and used when creating sp_instr_set instructions and Item_splocal items. I.e. values are set/referred by array indexing in runtime.

Definition at line 53 of file sp_pcontext.h.

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

• sql/sp_pcontext.h