Mysql::Tools::Base::Show_variable_query_extractor Class Reference

Extracts the value of server variable. More...

#include <show_variable_query_extractor.h>

Static Public Member Functions
static int64	get_variable_value (Mysql_query_runner *query_runner, std::string variable, std::string &value, bool &exists)
	Extract the value of server variable. More...

Private Member Functions
	Show_variable_query_extractor ()
int64	extract_variable (const Mysql_query_runner::Row &result_row)
	Result row callback to be used in query runner. More...

Private Attributes
std::string	m_extracted_variable
	Temporary placeholder for extracted value. More...
bool	m_exists
	Temporary placeholder for value received flag. More...

Detailed Description

Extracts the value of server variable.

Constructor & Destructor Documentation

Show_variable_query_extractor()

Show_variable_query_extractor::Show_variable_query_extractor ( )

private

Member Function Documentation

extract_variable()

int64 Show_variable_query_extractor::extract_variable ( const Mysql_query_runner::Row &  result_row )

private

Result row callback to be used in query runner.

get_variable_value()

int64 Show_variable_query_extractor::get_variable_value ( Mysql_query_runner *  query_runner, std::string  variable, std::string &  value, bool &  exists  )

static

Extract the value of server variable.

Parameters

[in]	query_runner	MySQL query runner to use.
[in]	variable	Name of variable to get value of.
[out]	value	reference to String to store variable value to.
[out]	exists	reference to bool to store if variable was found.

Returns

nonzero if error was encountered.

Member Data Documentation

m_exists

bool Mysql::Tools::Base::Show_variable_query_extractor::m_exists

private

Temporary placeholder for value received flag.

m_extracted_variable

std::string Mysql::Tools::Base::Show_variable_query_extractor::m_extracted_variable

private

Temporary placeholder for extracted value.

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

• client/base/show_variable_query_extractor.h
• client/base/show_variable_query_extractor.cc