PFS_data_lock_wait_container Class Reference

#include <pfs_data_lock.h>

Inheritance diagram for PFS_data_lock_wait_container:

Public Member Functions
	PFS_data_lock_wait_container ()
	~PFS_data_lock_wait_container () override
const char *	cache_string (const char *string) override
const char *	cache_data (const char *ptr, size_t length) override
bool	accept_engine (const char *engine, size_t engine_length) override
	Check if the container accepts data for a particular engine. More...
bool	accept_requesting_lock_id (const char *engine_lock_id, size_t engine_lock_id_length) override
	Check if the container accepts data for a particular requesting lock id. More...
bool	accept_blocking_lock_id (const char *engine_lock_id, size_t engine_lock_id_length) override
	Check if the container accepts data for a particular blocking lock id. More...
bool	accept_requesting_transaction_id (ulonglong transaction_id) override
	Check if the container accepts data for a particular requesting transaction id. More...
bool	accept_blocking_transaction_id (ulonglong transaction_id) override
	Check if the container accepts data for a particular blocking transaction id. More...
bool	accept_requesting_thread_id_event_id (ulonglong thread_id, ulonglong event_id) override
	Check if the container accepts data for a particular requesting event. More...
bool	accept_blocking_thread_id_event_id (ulonglong thread_id, ulonglong event_id) override
	Check if the container accepts data for a particular blocking event. More...
void	add_lock_wait_row (const char *engine, size_t engine_length, const char *requesting_engine_lock_id, size_t requesting_engine_lock_id_length, ulonglong requesting_transaction_id, ulonglong requesting_thread_id, ulonglong requesting_event_id, const void *requesting_identity, const char *blocking_engine_lock_id, size_t blocking_engine_lock_id_length, ulonglong blocking_transaction_id, ulonglong blocking_thread_id, ulonglong blocking_event_id, const void *blocking_identity) override
	Add a row to table performance_schema.data_lock_waits. More...
void	clear ()
	Clear the container. More...
void	shrink ()
	Shrink the container. More...
row_data_lock_wait *	get_row (size_t index)
void	set_filter (PFS_index_data_lock_waits *filter)
Public Member Functions inherited from PSI_server_data_lock_wait_container
	PSI_server_data_lock_wait_container ()=default
virtual	~PSI_server_data_lock_wait_container ()=default

Private Attributes
size_t	m_logical_row_index
std::vector< row_data_lock_wait, PFS_data_container_allocator< row_data_lock_wait > >	m_rows
PFS_data_cache	m_cache
PFS_index_data_lock_waits *	m_filter

Constructor & Destructor Documentation

PFS_data_lock_wait_container()

PFS_data_lock_wait_container::PFS_data_lock_wait_container

(

)

~PFS_data_lock_wait_container()

PFS_data_lock_wait_container::~PFS_data_lock_wait_container ( )

overridedefault

Member Function Documentation

accept_blocking_lock_id()

bool PFS_data_lock_wait_container::accept_blocking_lock_id ( const char *  engine_lock_id, size_t  engine_lock_id_length  )

overridevirtual

Check if the container accepts data for a particular blocking lock id.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits WHERE
BLOCKING_ENGINE_LOCK_ID = ... 

Implements PSI_server_data_lock_wait_container.

accept_blocking_thread_id_event_id()

bool PFS_data_lock_wait_container::accept_blocking_thread_id_event_id ( ulonglong  thread_id, ulonglong  event_id  )

overridevirtual

Check if the container accepts data for a particular blocking event.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits
WHERE BLOCKING_THREAD_ID = ... AND BLOCKING_EVENT_ID = ... 

Implements PSI_server_data_lock_wait_container.

accept_blocking_transaction_id()

bool PFS_data_lock_wait_container::accept_blocking_transaction_id ( ulonglong  transaction_id )

overridevirtual

Check if the container accepts data for a particular blocking transaction id.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits WHERE
BLOCKING_ENGINE_TRANSACTION_ID = ... 

Implements PSI_server_data_lock_wait_container.

accept_engine()

bool PFS_data_lock_wait_container::accept_engine ( const char *  engine, size_t  engine_length  )

overridevirtual

Check if the container accepts data for a particular engine.

This methods is used to prune data for queries like

SELECT * from performance_schema.data_lock_waits WHERE ENGINE = ...

Implements PSI_server_data_lock_wait_container.

accept_requesting_lock_id()

bool PFS_data_lock_wait_container::accept_requesting_lock_id ( const char *  engine_lock_id, size_t  engine_lock_id_length  )

overridevirtual

Check if the container accepts data for a particular requesting lock id.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits WHERE
REQUESTING_ENGINE_LOCK_ID = ... 

Implements PSI_server_data_lock_wait_container.

accept_requesting_thread_id_event_id()

bool PFS_data_lock_wait_container::accept_requesting_thread_id_event_id ( ulonglong  thread_id, ulonglong  event_id  )

overridevirtual

Check if the container accepts data for a particular requesting event.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits
WHERE REQUESTING_THREAD_ID = ... AND REQUESTING_EVENT_ID = ... 

Implements PSI_server_data_lock_wait_container.

accept_requesting_transaction_id()

bool PFS_data_lock_wait_container::accept_requesting_transaction_id ( ulonglong  transaction_id )

overridevirtual

Check if the container accepts data for a particular requesting transaction id.

This methods is used to prune data for queries like

 SELECT * from performance_schema.data_lock_waits WHERE
REQUESTING_ENGINE_TRANSACTION_ID = ... 

Implements PSI_server_data_lock_wait_container.

add_lock_wait_row()

void PFS_data_lock_wait_container::add_lock_wait_row ( const char *  engine, size_t  engine_length, const char *  requesting_engine_lock_id, size_t  requesting_engine_lock_id_length, ulonglong  requesting_transaction_id, ulonglong  requesting_thread_id, ulonglong  requesting_event_id, const void *  requesting_identity, const char *  blocking_engine_lock_id, size_t  blocking_engine_lock_id_length, ulonglong  blocking_transaction_id, ulonglong  blocking_thread_id, ulonglong  blocking_event_id, const void *  blocking_identity  )

overridevirtual

Add a row to table performance_schema.data_lock_waits.

Implements PSI_server_data_lock_wait_container.

cache_data()

const char * PFS_data_lock_wait_container::cache_data ( const char *  ptr, size_t  length  )

overridevirtual

See also

PSI_server_data_lock_container::cache_data.

Implements PSI_server_data_lock_wait_container.

cache_string()

const char * PFS_data_lock_wait_container::cache_string ( const char *  string )

overridevirtual

See also

PSI_server_data_lock_container::cache_string.

Implements PSI_server_data_lock_wait_container.

clear()

void PFS_data_lock_wait_container::clear

(

)

Clear the container.

New rows added will start at index 0.

get_row()

row_data_lock_wait * PFS_data_lock_wait_container::get_row

(

size_t

index

)

set_filter()

void PFS_data_lock_wait_container::set_filter ( PFS_index_data_lock_waits *  filter )

inline

shrink()

void PFS_data_lock_wait_container::shrink

(

)

Shrink the container.

New rows added will continue to use the current index.

Member Data Documentation

m_cache

PFS_data_cache PFS_data_lock_wait_container::m_cache

private

m_filter

PFS_index_data_lock_waits* PFS_data_lock_wait_container::m_filter

private

m_logical_row_index

size_t PFS_data_lock_wait_container::m_logical_row_index

private

m_rows

std::vector<row_data_lock_wait, PFS_data_container_allocator<row_data_lock_wait> > PFS_data_lock_wait_container::m_rows

private

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

• storage/perfschema/pfs_data_lock.h
• storage/perfschema/pfs_data_lock.cc