Rpl_async_conn_failover_reset Class Reference

#include <rpl_async_conn_failover_reset_udf.h>

Inheritance diagram for Rpl_async_conn_failover_reset:

Public Member Functions
	Rpl_async_conn_failover_reset ()=default
	~Rpl_async_conn_failover_reset () override=default
bool	init () override
	Initialize variables, acquires the mysql_service_mysql_udf_metadata from the registry service and register the Asynchronous Connection Failover's reset UDFs. More...
bool	deinit ()
	Release the udf_metadata service. More...
Public Member Functions inherited from Udf_service_impl
	Udf_service_impl ()=default
virtual	~Udf_service_impl ()=default
bool	deinit ()
	Release the mysql_service_mysql_udf_metadata service and unregisters the Asynchronous Connection Failover's UDFs. More...
void	set_registry (const mysql_service_registry_t *r)
	Save UDF registry service. More...
bool	register_udf (Udf_data &e)
	Registers the Asynchronous Connection Failover's UDFs. More...
bool	unregister_udf (const std::string udf_name)
	Unregisters the Asynchronous Connection Failover's UDFs. More...

Static Public Member Functions
static char *	reset (UDF_INIT *init_id, UDF_ARGS *args, char *result, unsigned long *length, unsigned char *is_null, unsigned char *error)
	Resets asynchronous connection failover configuration. More...
static bool	reset_init (UDF_INIT *init_id, UDF_ARGS *args, char *message)
	Initialize and verifies UDF's arguments. More...
static void	reset_deinit (UDF_INIT *init_id)
	Deinitialize variables initialized during init function. More...

Private Attributes
Udf_charset_service	m_charset_service
bool	m_initialized {false}

Static Private Attributes
static constexpr const char *	m_udf_name

Constructor & Destructor Documentation

Rpl_async_conn_failover_reset()

Rpl_async_conn_failover_reset::Rpl_async_conn_failover_reset ( )

default

~Rpl_async_conn_failover_reset()

Rpl_async_conn_failover_reset::~Rpl_async_conn_failover_reset ( )

overridedefault

Member Function Documentation

deinit()

bool Rpl_async_conn_failover_reset::deinit

(

)

Release the udf_metadata service.

Return values

false	Success
true	Failure. service could not be released

init()

bool Rpl_async_conn_failover_reset::init ( )

overridevirtual

Initialize variables, acquires the mysql_service_mysql_udf_metadata from the registry service and register the Asynchronous Connection Failover's reset UDFs.

If there is an error registering any UDF, all installed UDFs are unregistered.

Return values

true	if there was an error
false	if all UDFs were registered

Implements Udf_service_impl.

reset()

char * Rpl_async_conn_failover_reset::reset ( UDF_INIT *  init_id, UDF_ARGS *  args, char *  result, unsigned long *  length, unsigned char *  is_null, unsigned char *  error  )

static

Resets asynchronous connection failover configuration.

Parameters

[in]	init_id	UDF_INIT structure
[in]	args	UDF_ARGS structure containing argument details
[out]	result	error message
[out]	length	error message length
[out]	is_null	if result is null
[in,out]	error	error code

Returns

error message

reset_deinit()

void Rpl_async_conn_failover_reset::reset_deinit ( UDF_INIT *  init_id )

static

Deinitialize variables initialized during init function.

Parameters

[in]

init_id

UDF_INIT structure

reset_init()

bool Rpl_async_conn_failover_reset::reset_init ( UDF_INIT *  init_id, UDF_ARGS *  args, char *  message  )

static

Initialize and verifies UDF's arguments.

Also sets argument and result charset.

Parameters

[in]	init_id	UDF_INIT structure
[in]	args	UDF_ARGS structure containing argument details
[out]	message	error message

Returns

True if error, false otherwise.

Member Data Documentation

m_charset_service

Udf_charset_service Rpl_async_conn_failover_reset::m_charset_service

private

m_initialized

bool Rpl_async_conn_failover_reset::m_initialized {false}

private

m_udf_name

constexpr const char* Rpl_async_conn_failover_reset::m_udf_name

staticconstexprprivate

Initial value:

=
      "asynchronous_connection_failover_reset"

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

• sql/rpl_async_conn_failover_reset_udf.h
• sql/rpl_async_conn_failover_reset_udf.cc