ib::Sys_var_handler_interface Class Reference

#include <ha0sys_var_handler_interface.h>

Inheritance diagram for ib::Sys_var_handler_interface:

Public Member Functions
virtual	~Sys_var_handler_interface ()=default
	Default destructor. More...
virtual bool	update_var (THD *thd, std::string_view name, uint64_t new_value)=0
	Update the system variable to the new value. More...
virtual bool	update_var (THD *thd, std::string_view name, bool new_value)=0
	Update the system variable to the new value. More...

Constructor & Destructor Documentation

~Sys_var_handler_interface()

virtual ib::Sys_var_handler_interface::~Sys_var_handler_interface ( )

virtualdefault

Default destructor.

Member Function Documentation

update_var() [1/2]

virtual bool ib::Sys_var_handler_interface::update_var ( THD *  thd, std::string_view  name, bool  new_value  )

pure virtual

Update the system variable to the new value.

Parameters

[in]	thd	THD object, may be used to print warning
[in]	name	The system variable name
[in]	new_value	The value to be updated

Returns

true System variable was updated successfully

false Otherwise

Implemented in ib::fil::Pages_persistence_sys_vars_handler, and ib::redo::Sys_var_handler.

update_var() [2/2]

virtual bool ib::Sys_var_handler_interface::update_var ( THD *  thd, std::string_view  name, uint64_t  new_value  )

pure virtual

Update the system variable to the new value.

Parameters

[in]	thd	THD object, may be used to print warning
[in]	name	The system variable name
[in]	new_value	The value to be updated

Returns

true System variable was updated successfully

false Otherwise

Implemented in ib::fil::Pages_persistence_sys_vars_handler, and ib::redo::Sys_var_handler.

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

• storage/innobase/include/ha0sys_var_handler_interface.h