Regular_statement_handle enables execution of all SQL statements except for prepared statements. More...

#include <statement.h>

Inheritance diagram for Regular_statement_handle:

Public Member Functions
	Regular_statement_handle (THD thd, const char query, uint length)

	~Regular_statement_handle () override

bool	execute () override
	Execute a regular statement. More...

bool	is_prepared_statement () override
	Convey that this is regular statement. More...

bool	is_executed_or_prepared () override
	Check if the statement has been executed. More...

Public Member Functions inherited from Statement_handle
	Statement_handle (THD thd, const char query, size_t length)

bool	is_error () const
	Check if error is reported. More...

LEX_CSTRING	get_last_error ()
	Check if error is reported. More...

unsigned int	get_last_errno () const
	Get the last mysql errno. More...

LEX_CSTRING	get_mysql_state ()
	Get the mysql error state. More...

ulonglong	warning_count () const
	Get number of warnings generated. More...

Warning *	get_warnings ()
	Get list of all warnings. More...

Result_set *	get_result_sets ()
	Get the next result sets generated while executing the statement. More...

Result_set *	get_current_result_set ()
	Get the current result set object. More...

void	next_result_set ()
	Make the next result set the current result set. More...

void	free_old_result ()
	Feel all the result collected so far, from query execution. More...

std::string_view	get_query ()
	Get the query string being executed. More...

void	set_capacity (size_t capacity)
	Set the capacity in bytes allowed for caching results. More...

size_t	get_capacity ()
	Get the capacity in bytes allowed for caching results. More...

void	set_use_thd_protocol (bool use_thd_protocol)
	Set thd protocol to enable result pass through. More...

bool	is_using_thd_protocol () const
	Check if thd protocol is used. More...

void	set_thd_protocol ()
	Set either Protocol_local_v2 when m_use_thd_protocol is not set or or classical protocol when m_use_thd_protocol is set to THD. More...

void	reset_thd_protocol ()
	Reset THD protocol. More...

void	set_expected_charset (const char *charset_name)
	Set the expected charset. More...

const char *	get_expected_charset ()
	Get the expected charset. More...

size_t	get_num_rows_per_fetch ()
	Get the num rows per fetch. More...

void	set_num_rows_per_fetch (size_t num_rows_per_fetch)
	Set the num of rows to be retrieved per fetch. More...

virtual	~Statement_handle ()
	Destroy the Statement_handle object. More...

Static Public Attributes
static PSI_statement_info	stmt_psi_info

Private Member Functions
bool	execute (Server_runnable *server_runnable)

Private Attributes
bool	m_is_executed = false
	Flag to indicate if statement has been executed. Set to true in execute(). More...

Additional Inherited Members
Protected Member Functions inherited from Statement_handle
void	send_statement_status ()
	Send statement execution status after execute(). More...

void	add_result_set (Result_set *result_set)

void	set_result_set (Result_set *result_set)

void	copy_warnings ()
	Copy the warnings generated for the query from the diagnostics area. More...

	Statement_handle (const Statement_handle &)=delete

	Statement_handle (Statement_handle &&)=delete

Statement_handle &	operator= (const Statement_handle &)=delete

Statement_handle &	operator= (Statement_handle &&)=delete

Protected Attributes inherited from Statement_handle
std::string	m_query

MEM_ROOT	m_warning_mem_root

Warning *	m_warnings

ulonglong	m_warnings_count = 0

Diagnostics_area *	m_diagnostics_area

THD *	m_thd

Result_set *	m_result_sets

Result_set *	m_current_rset

bool	m_use_thd_protocol = false

size_t	m_num_rows_per_fetch = 1

CHARSET_INFO *	m_expected_charset

Protocol_local_v2	m_protocol

Protocol *	m_saved_protocol {nullptr}

Detailed Description

Regular_statement_handle enables execution of all SQL statements except for prepared statements.

Constructor & Destructor Documentation

◆ Regular_statement_handle()

Regular_statement_handle::Regular_statement_handle	(	THD *	thd,
		const char *	query,
		uint	length
	)

inline

◆ ~Regular_statement_handle()

Regular_statement_handle::~Regular_statement_handle ( )

inlineoverride

Member Function Documentation

◆ execute() [1/2]

bool Regular_statement_handle::execute ( )

overridevirtual

Execute a regular statement.

Returns: true if statement fails.; false if statement succeeds.

Implements Statement_handle.

◆ execute() [2/2]

bool Regular_statement_handle::execute ( Server_runnable * server_runnable )

private

◆ is_executed_or_prepared()

bool Regular_statement_handle::is_executed_or_prepared ( )

inlineoverridevirtual

Check if the statement has been executed.

Returns: true if executed; false otherwise

Implements Statement_handle.

◆ is_prepared_statement()

bool Regular_statement_handle::is_prepared_statement ( )

inlineoverridevirtual

Convey that this is regular statement.

Returns: Always returns 'false'

Implements Statement_handle.

Member Data Documentation

◆ m_is_executed

bool Regular_statement_handle::m_is_executed = false

private

Flag to indicate if statement has been executed. Set to true in execute().

◆ stmt_psi_info

PSI_statement_info Regular_statement_handle::stmt_psi_info

static

Initial value:

= {

0, "regular", 0, "Regular Statement Handle: SQL Statement"}

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

sql/statement/statement.h
sql/statement/statement.cc

Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Regular_statement_handle()

◆ ~Regular_statement_handle()

Member Function Documentation

◆ execute() [1/2]

◆ execute() [2/2]

◆ is_executed_or_prepared()

◆ is_prepared_statement()

Member Data Documentation

◆ m_is_executed

◆ stmt_psi_info