p_s.cc File Reference

InnoDB performance_schema tables interface to MySQL. More...

#include "storage/innobase/handler/p_s.h"
#include <type_traits>
#include "dict0dd.h"
#include "lock0iter.h"
#include "lock0lock.h"
#include "sql_table.h"
#include "trx0i_s.h"

Classes
struct	anonymous_namespace{p_s.cc}::parsed_table_path
class	Innodb_data_lock_iterator
	Inspect data locks for the innodb storage engine. More...
class	Innodb_data_lock_wait_iterator
	Inspect data lock waits for the innodb storage engine. More...

Namespaces
namespace	anonymous_namespace{p_s.cc}

Functions
template<typename F >
static void	find_lock_and_execute (const char *engine_lock_id, F &&f)
	Searches for the lock_t object which has the specified engine_lock_id (. More...
std::string_view	anonymous_namespace{p_s.cc}::alloc_identifier (PSI_server_data_lock_container *container, PSI_identifier kind, const std::string &id_str)
	Allocate identifier in performance schema container. More...
parsed_table_path	anonymous_namespace{p_s.cc}::parse_table_path (PSI_server_data_lock_container *container, const char *table_path)
	Parse a table path string. More...
static void	print_table_lock_id (const lock_t &lock, char *lock_id, size_t lock_id_size)
	Print a table lock id. More...
static void	print_record_lock_id (const lock_t &lock, ulint heap_no, char *lock_id, size_t lock_id_size)
	Print a record lock id. More...
static void	print_lock_id (const lock_t &lock, ulint heap_no, char *lock_id, size_t lock_id_size)
	Print a lock id. More...

Variables
static const char *	g_engine = "INNODB"
static const size_t	g_engine_length = 6

Detailed Description

InnoDB performance_schema tables interface to MySQL.

Function Documentation

find_lock_and_execute()

template<typename F >

static void find_lock_and_execute ( const char *  engine_lock_id, F &&  f  )

static

Searches for the lock_t object which has the specified engine_lock_id (.

See also

print_lock_id), and if it exists, executes provided f on it, under protection of shard-specific latch. The type of the lock (LOCK_REC or LOCK_TABLE) is also provided to f. For LOCK_REC multiple lock requests can share the same lock_t object, thus f will be fed the specific heap_no. For LOCK_TABLE this third argument will be always ULINT_UNDEFINED.

Parameters

[in]	engine_lock_id	The string used in ENGINE_LOCK_ID column to uniquely identify the lock request.
[in]	f	A callable, for which f(lock, type, heap_no) will be executed, if lock with specified engine_lock_id exists.

print_lock_id()

static void print_lock_id ( const lock_t &  lock, ulint  heap_no, char *  lock_id, size_t  lock_id_size  )

static

Print a lock id.

Parameters

[in]	lock	The lock to print
[in]	heap_no	Lock heap number if lock's type is LOCK_REC, ignored otherwise.
[in,out]	lock_id	Printing buffer
[in]	lock_id_size	Printing buffer length

print_record_lock_id()

static void print_record_lock_id ( const lock_t &  lock, ulint  heap_no, char *  lock_id, size_t  lock_id_size  )

static

Print a record lock id.

Parameters

[in]	lock	The lock to print
[in]	heap_no	Lock heap number
[in,out]	lock_id	Printing buffer
[in]	lock_id_size	Printing buffer length

print_table_lock_id()

static void print_table_lock_id ( const lock_t &  lock, char *  lock_id, size_t  lock_id_size  )

static

Print a table lock id.

Parameters

[in]	lock	The lock to print
[in,out]	lock_id	Printing buffer
[in]	lock_id_size	Printing buffer length

Variable Documentation

g_engine

const char* g_engine = "INNODB"

static

g_engine_length

const size_t g_engine_length = 6

static