MySQL 9.0.0
Source Code Documentation
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This class represents a stored program variable or a parameter (also referenced as 'SP-variable'). More...
#include <sp_pcontext.h>
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. More... | |
enum enum_field_types | type |
Field-type of the SP-variable. More... | |
enum_mode | mode |
Mode of the SP-variable. More... | |
uint | offset |
The index to the variable's value in the runtime frame. More... | |
Item * | default_value |
Default value of the SP-variable (if any). More... | |
Create_field | field_def |
Full type information (field meta-data) of the SP-variable. More... | |
This class represents a stored program variable or a parameter (also referenced as 'SP-variable').
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inline |
Item* sp_variable::default_value |
Default value of the SP-variable (if any).
Create_field sp_variable::field_def |
Full type information (field meta-data) of the SP-variable.
enum_mode sp_variable::mode |
Mode of the SP-variable.
LEX_STRING sp_variable::name |
Name of the SP-variable.
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.
enum enum_field_types sp_variable::type |
Field-type of the SP-variable.