MySQL 8.4.2
Source Code Documentation
table_events_waits_summary_by_instance Class Reference

Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE. More...

#include <table_events_waits_summary.h>

Inheritance diagram for table_events_waits_summary_by_instance:
[legend]

Public Member Functions

int index_init (uint idx, bool sorted) override
 
 ~table_events_waits_summary_by_instance () override=default
 
- Public Member Functions inherited from table_all_instr
int rnd_next () override
 Fetch the next row in this cursor. More...
 
int rnd_pos (const void *pos) override
 Fetch a row by position. More...
 
void reset_position () override
 Reset the cursor position to the beginning of the table. More...
 
int index_next () override
 Find key in index, read record. More...
 
 ~table_all_instr () override=default
 
- Public Member Functions inherited from PFS_engine_table
int read_row (TABLE *table, unsigned char *buf, Field **fields)
 Read a table row. More...
 
int update_row (TABLE *table, const unsigned char *old_buf, unsigned char *new_buf, Field **fields)
 Update a table row. More...
 
int delete_row (TABLE *table, const unsigned char *buf, Field **fields)
 Delete a row from this table. More...
 
virtual int rnd_init (bool scan)
 Initialize table scan. More...
 
virtual int index_read (KEY *key_infos, uint index, const uchar *key, uint key_len, enum ha_rkey_function find_flag)
 Positions an index cursor to the index specified in the handle. More...
 
virtual int index_read_last (KEY *key_infos, const uchar *key, uint key_len)
 
virtual int index_next_same (const uchar *key, uint key_len)
 Reads the next row matching the given key value. More...
 
virtual int index_prev ()
 
virtual int index_first ()
 
virtual int index_last ()
 
void get_position (void *ref)
 Get the position of the current row. More...
 
void set_position (const void *ref)
 Set the table cursor at a given position. More...
 
virtual ~PFS_engine_table ()=default
 Destructor. More...
 

Static Public Member Functions

static PFS_engine_tablecreate (PFS_engine_table_share *)
 
static int delete_all_rows ()
 
- Static Public Member Functions inherited from table_all_instr
static ha_rows get_row_count ()
 
- Static Public Member Functions inherited from PFS_engine_table
static PFS_engine_table_sharefind_engine_table_share (const char *name)
 Find a table share by name. More...
 

Static Public Attributes

static PFS_engine_table_share m_share
 Table share. More...
 

Protected Member Functions

int make_instr_row (pfs_lock *object_lock, PFS_instr_class *klass, const void *object_instance_begin, PFS_single_stat *pfs_stat)
 
int make_mutex_row (PFS_mutex *pfs) override
 Build a row, for mutex statistics in a thread. More...
 
int make_rwlock_row (PFS_rwlock *pfs) override
 Build a row, for rwlock statistics in a thread. More...
 
int make_cond_row (PFS_cond *pfs) override
 Build a row, for condition statistics in a thread. More...
 
int make_file_row (PFS_file *pfs) override
 Build a row, for file statistics in a thread. More...
 
int make_socket_row (PFS_socket *pfs) override
 Build a row, for socket statistics in a thread. More...
 
int read_row_values (TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
 Read the current row values. More...
 
 table_events_waits_summary_by_instance ()
 
- Protected Member Functions inherited from table_all_instr
 table_all_instr (const PFS_engine_table_share *share)
 
- Protected Member Functions inherited from PFS_engine_table
virtual int update_row_values (TABLE *table, const unsigned char *old_buf, unsigned char *new_buf, Field **fields)
 Update the current row values. More...
 
virtual int delete_row_values (TABLE *table, const unsigned char *buf, Field **fields)
 Delete a row. More...
 
 PFS_engine_table (const PFS_engine_table_share *share, void *pos)
 Constructor. More...
 

Private Attributes

row_events_waits_summary_by_instance m_row
 Current row. More...
 

Static Private Attributes

static THR_LOCK m_table_lock
 Table share lock. More...
 
static Plugin_table m_table_def
 Table definition. More...
 

Additional Inherited Members

- Protected Attributes inherited from table_all_instr
pos_all_instr m_pos
 Current position. More...
 
pos_all_instr m_next_pos
 Next position. More...
 
PFS_index_all_instrm_opened_index
 
- Protected Attributes inherited from PFS_engine_table
const PFS_engine_table_sharem_share_ptr
 Table share. More...
 
void * m_pos_ptr
 Opaque pointer to the m_pos position of this cursor. More...
 
time_normalizerm_normalizer
 Current normalizer. More...
 
PFS_engine_index_abstractm_index
 Current index. More...
 

Detailed Description

Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE.

Constructor & Destructor Documentation

◆ table_events_waits_summary_by_instance()

table_events_waits_summary_by_instance::table_events_waits_summary_by_instance ( )
protected

◆ ~table_events_waits_summary_by_instance()

table_events_waits_summary_by_instance::~table_events_waits_summary_by_instance ( )
overridedefault

Member Function Documentation

◆ create()

PFS_engine_table * table_events_waits_summary_by_instance::create ( PFS_engine_table_share )
static

◆ delete_all_rows()

int table_events_waits_summary_by_instance::delete_all_rows ( void  )
static

◆ index_init()

int table_events_waits_summary_by_instance::index_init ( uint  idx,
bool  sorted 
)
overridevirtual

Reimplemented from table_all_instr.

◆ make_cond_row()

int table_events_waits_summary_by_instance::make_cond_row ( PFS_cond pfs)
overrideprotectedvirtual

Build a row, for condition statistics in a thread.

Parameters
pfsthe condition this cursor is reading

Implements table_all_instr.

◆ make_file_row()

int table_events_waits_summary_by_instance::make_file_row ( PFS_file pfs)
overrideprotectedvirtual

Build a row, for file statistics in a thread.

Parameters
pfsthe file this cursor is reading

Implements table_all_instr.

◆ make_instr_row()

int table_events_waits_summary_by_instance::make_instr_row ( pfs_lock object_lock,
PFS_instr_class klass,
const void *  object_instance_begin,
PFS_single_stat pfs_stat 
)
protected

◆ make_mutex_row()

int table_events_waits_summary_by_instance::make_mutex_row ( PFS_mutex pfs)
overrideprotectedvirtual

Build a row, for mutex statistics in a thread.

Parameters
pfsthe mutex this cursor is reading

Implements table_all_instr.

◆ make_rwlock_row()

int table_events_waits_summary_by_instance::make_rwlock_row ( PFS_rwlock pfs)
overrideprotectedvirtual

Build a row, for rwlock statistics in a thread.

Parameters
pfsthe rwlock this cursor is reading

Implements table_all_instr.

◆ make_socket_row()

int table_events_waits_summary_by_instance::make_socket_row ( PFS_socket pfs)
overrideprotectedvirtual

Build a row, for socket statistics in a thread.

Parameters
pfsthe socket this cursor is reading

Implements table_all_instr.

◆ read_row_values()

int table_events_waits_summary_by_instance::read_row_values ( TABLE table,
unsigned char *  buf,
Field **  fields,
bool  read_all 
)
overrideprotectedvirtual

Read the current row values.

Parameters
tableTable handle
bufrow buffer
fieldsTable fields
read_alltrue if all columns are read.

Implements PFS_engine_table.

Member Data Documentation

◆ m_row

row_events_waits_summary_by_instance table_events_waits_summary_by_instance::m_row
private

Current row.

◆ m_share

PFS_engine_table_share table_events_waits_summary_by_instance::m_share
static
Initial value:
= {
nullptr,
sizeof(pos_all_instr),
false,
{0},
false
}
static ha_rows get_row_count()
Definition: table_all_instr.cc:37
static THR_LOCK m_table_lock
Table share lock.
Definition: table_events_waits_summary.h:135
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_events_waits_summary.cc:194
static int delete_all_rows()
Definition: table_events_waits_summary.cc:199
static Plugin_table m_table_def
Table definition.
Definition: table_events_waits_summary.h:137
PFS_truncatable_acl pfs_truncatable_acl
Singleton instance of PFS_truncatable_acl.
Definition: pfs_engine_table.cc:1090
struct PFS_engine_table_proxy PFS_engine_table_proxy
Definition: pfs_plugin_table_service.h:430
Position of a cursor on table_all_instr.
Definition: table_all_instr.h:47

Table share.

◆ m_table_def

Plugin_table table_events_waits_summary_by_instance::m_table_def
staticprivate

Table definition.

◆ m_table_lock

THR_LOCK table_events_waits_summary_by_instance::m_table_lock
staticprivate

Table share lock.


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