Get_system_variable Class Reference

#include <get_system_variable.h>

Inheritance diagram for Get_system_variable:

Public Member Functions
	Get_system_variable ()=default
	~Get_system_variable () override=default
int	get_global_gtid_executed (std::string &gtid_executed)
	Method to return the server gtid_executed by executing the get_variables component service. More...
int	get_global_gtid_purged (std::string &gtid_purged)
	Method to return the server gtid_purged by executing the get_variables component service. More...
int	get_global_read_only (bool &value)
	Method to return the global value of read_only by executing the get_variables component service. More...
int	get_global_super_read_only (bool &value)
	Method to return the global value of super_read_only by executing the get_variables component service. More...
void	run (Mysql_thread_body_parameters *parameters) override
	Method that will be run on mysql_thread. More...

Private Member Functions
bool	string_to_bool (const std::string &value)
	Method to convert a string into a boolean. More...
int	internal_get_system_variable (std::string variable, std::string &value, size_t value_max_length)
	Method to return the server system variable specified on variable. More...
Private Member Functions inherited from Mysql_thread_body
virtual	~Mysql_thread_body ()

Constructor & Destructor Documentation

Get_system_variable()

Get_system_variable::Get_system_variable ( )

default

~Get_system_variable()

Get_system_variable::~Get_system_variable ( )

overridedefault

Member Function Documentation

get_global_gtid_executed()

int Get_system_variable::get_global_gtid_executed

(

std::string &

gtid_executed

)

Method to return the server gtid_executed by executing the get_variables component service.

Parameters

[out]

gtid_executed

The string where the result will be appended

Returns

the error value returned

Return values

0	OK
!=0	Error

get_global_gtid_purged()

int Get_system_variable::get_global_gtid_purged

(

std::string &

gtid_purged

)

Method to return the server gtid_purged by executing the get_variables component service.

Parameters

[out]

gtid_purged

The string where the result will be appended

Returns

the error value returned

Return values

0	OK
!=0	Error

get_global_read_only()

int Get_system_variable::get_global_read_only

(

bool &

value

)

Method to return the global value of read_only by executing the get_variables component service.

Parameters

[out]

value

The variable where the value will be set

Returns

the error value returned

Return values

0	OK
!=0	Error

get_global_super_read_only()

int Get_system_variable::get_global_super_read_only

(

bool &

value

)

Method to return the global value of super_read_only by executing the get_variables component service.

Parameters

[out]

value

The variable where the value will be set

Returns

the error value returned

Return values

0	OK
!=0	Error

internal_get_system_variable()

int Get_system_variable::internal_get_system_variable ( std::string  variable, std::string &  value, size_t  value_max_length  )

private

Method to return the server system variable specified on variable.

Parameters

[in]	variable	The system variable name to be retrieved
[out]	value	The string where the result will be set
[in]	value_max_length	The maximum string value length

Returns

the error value returned

Return values

0	OK
!=0	Error

run()

void Get_system_variable::run ( Mysql_thread_body_parameters *  parameters )

overridevirtual

Method that will be run on mysql_thread.

Parameters

[in,out]

parameters

Values used by method to get service variable.

Implements Mysql_thread_body.

string_to_bool()

bool Get_system_variable::string_to_bool ( const std::string &  value )

private

Method to convert a string into a boolean.

Parameters

[in]

value

The value as string.

Returns

the value as boolean

Return values

true	string value is "ON"
false	otherwise

---

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

• plugin/group_replication/include/services/system_variable/get_system_variable.h
• plugin/group_replication/src/services/system_variable/get_system_variable.cc