mrs_component::Command_executor Class Reference

Executes text queries and prepared statements through component services. More...

#include <mrs_component_command_executor.h>

Classes
class	Connection_error

Public Types
enum class	Mode : uint8_t { Query , PreparedStatement }

Public Member Functions
	~Command_executor ()
	Command_executor ()=delete
	Command_executor (const Command_executor &)=delete
Command_executor &	operator= (const Command_executor &)=delete
	Command_executor (Command_executor &&)=delete
Command_executor &	operator= (Command_executor &&)=delete
void	set_query (const std::string &query_text)
void	execute (Resultset *result=nullptr)
void	bind_param (uint32_t index, const std::string &value, uint64_t type, bool is_unsigned=false)
void	bind_param (uint32_t index, const char *value, uint64_t type, bool is_unsigned=false)
template<typename T >
void	bind_param (uint32_t index, const T &value, uint64_t type, bool is_unsigned=false)
bool	fetch (my_h_row *row)
uint64_t	affected_rows ()
uint64_t	last_insert_id ()
std::string	escape_string (const std::string &input)
bool	is_explicit_mode () const
Mode	mode () const
const std::string &	get_query () const
std::string	get_last_error () const
int	get_last_error_code () const
std::optional< uint64_t >	get_uint64_result ()
std::optional< int64_t >	get_int64_result ()
std::optional< double >	get_double_result ()
std::optional< std::string >	get_string_result ()

Static Public Member Functions
static Command_executor	make_with_current_ctx (Mode mode)
static Command_executor	make_with_explicit_ctx (std::string user, std::string host, Mode mode)

Private Member Functions
	Command_executor (Mode mode, bool threaded_mode, std::optional< std::string > connect_user=std::nullopt, std::optional< std::string > connect_host=std::nullopt)
void	connect ()
void	cleanup ()
void	reset () noexcept
void	execute_query (Resultset *result)
void	execute_statement (Resultset *result)
std::string	fetch_column_as_string (my_h_statement stmt, my_h_row row, uint32_t col_index)

Private Attributes
std::string	m_query
Mode	m_mode
bool	m_explicit_ctx_mode = false
Mysql_command_service_session	m_command_service_session
my_h_statement	m_stmt = nullptr
MYSQL_RES_H	m_mysql_res = nullptr
Security_context_handle	m_security_context
std::string	m_connect_user
std::string	m_connect_host
unsigned int	m_last_error_code {0}

Detailed Description

Executes text queries and prepared statements through component services.

Member Enumeration Documentation

Mode

enum class mrs_component::Command_executor::Mode : uint8_t

strong

Enumerator
Query
PreparedStatement

Constructor & Destructor Documentation

~Command_executor()

mrs_component::Command_executor::~Command_executor

(

)

Command_executor() [1/4]

mrs_component::Command_executor::Command_executor ( )

delete

Command_executor() [2/4]

mrs_component::Command_executor::Command_executor ( const Command_executor &  )

delete

Command_executor() [3/4]

mrs_component::Command_executor::Command_executor ( Command_executor &&  )

delete

Command_executor() [4/4]

mrs_component::Command_executor::Command_executor ( Mode  mode, bool  threaded_mode, std::optional< std::string >  connect_user = std::nullopt, std::optional< std::string >  connect_host = std::nullopt  )

private

Member Function Documentation

affected_rows()

uint64_t mrs_component::Command_executor::affected_rows

(

)

bind_param() [1/3]

void mrs_component::Command_executor::bind_param ( uint32_t  index, const char *  value, uint64_t  type, bool  is_unsigned = false  )

inline

bind_param() [2/3]

void mrs_component::Command_executor::bind_param	(	uint32_t	index,
		const std::string &	value,
		uint64_t	type,
		bool	is_unsigned = false
	)

bind_param() [3/3]

template<typename T >

void mrs_component::Command_executor::bind_param ( uint32_t  index, const T &  value, uint64_t  type, bool  is_unsigned = false  )

inline

cleanup()

void mrs_component::Command_executor::cleanup ( )

private

connect()

void mrs_component::Command_executor::connect ( )

private

escape_string()

std::string mrs_component::Command_executor::escape_string

(

const std::string &

input

)

execute()

void mrs_component::Command_executor::execute

(

Resultset *

result = nullptr

)

execute_query()

void mrs_component::Command_executor::execute_query ( Resultset *  result )

private

execute_statement()

void mrs_component::Command_executor::execute_statement ( Resultset *  result )

private

fetch()

bool mrs_component::Command_executor::fetch

(

my_h_row *

row

)

fetch_column_as_string()

std::string mrs_component::Command_executor::fetch_column_as_string ( my_h_statement  stmt, my_h_row  row, uint32_t  col_index  )

private

get_double_result()

std::optional< double > mrs_component::Command_executor::get_double_result

(

)

get_int64_result()

std::optional< int64_t > mrs_component::Command_executor::get_int64_result

(

)

get_last_error()

std::string mrs_component::Command_executor::get_last_error

(

)

const

get_last_error_code()

int mrs_component::Command_executor::get_last_error_code ( ) const

inline

get_query()

const std::string & mrs_component::Command_executor::get_query ( ) const

inline

get_string_result()

std::optional< std::string > mrs_component::Command_executor::get_string_result

(

)

get_uint64_result()

std::optional< uint64_t > mrs_component::Command_executor::get_uint64_result

(

)

is_explicit_mode()

bool mrs_component::Command_executor::is_explicit_mode ( ) const

inline

last_insert_id()

uint64_t mrs_component::Command_executor::last_insert_id

(

)

make_with_current_ctx()

Command_executor mrs_component::Command_executor::make_with_current_ctx ( Mode  mode )

static

make_with_explicit_ctx()

Command_executor mrs_component::Command_executor::make_with_explicit_ctx ( std::string  user, std::string  host, Mode  mode  )

static

mode()

Mode mrs_component::Command_executor::mode ( ) const

inline

operator=() [1/2]

Command_executor & mrs_component::Command_executor::operator= ( Command_executor &&  )

delete

operator=() [2/2]

Command_executor & mrs_component::Command_executor::operator= ( const Command_executor &  )

delete

reset()

void mrs_component::Command_executor::reset ( )

privatenoexcept

set_query()

void mrs_component::Command_executor::set_query

(

const std::string &

query_text

)

Member Data Documentation

m_command_service_session

Mysql_command_service_session mrs_component::Command_executor::m_command_service_session

private

m_connect_host

std::string mrs_component::Command_executor::m_connect_host

private

m_connect_user

std::string mrs_component::Command_executor::m_connect_user

private

m_explicit_ctx_mode

bool mrs_component::Command_executor::m_explicit_ctx_mode = false

private

m_last_error_code

unsigned int mrs_component::Command_executor::m_last_error_code {0}

private

m_mode

Mode mrs_component::Command_executor::m_mode

private

m_mysql_res

MYSQL_RES_H mrs_component::Command_executor::m_mysql_res = nullptr

private

m_query

std::string mrs_component::Command_executor::m_query

private

m_security_context

Security_context_handle mrs_component::Command_executor::m_security_context

private

Initial value:

{
      nullptr}

m_stmt

my_h_statement mrs_component::Command_executor::m_stmt = nullptr

private

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

• components/mysql_rest_service/mrs_component_command_executor.h
• components/mysql_rest_service/mrs_component_command_executor.cc