MySQL 8.0.30
Source Code Documentation

Table PERFORMANCE_SCHEMA.EVENTS_WAITS_CURRENT. More...

#include <table_events_waits.h>

Inheritance diagram for table_events_waits_current:
[legend]

Public Member Functions

int index_init (uint idx, bool sorted) override
 
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...
 
int index_next () override
 Find key in index, read record. More...
 
void reset_position (void) override
 Reset the cursor position to the beginning of the table. More...
 
 ~table_events_waits_current () 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 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

 table_events_waits_current ()
 
- Protected Member Functions inherited from table_events_waits_common
int read_row_values (TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
 Read the current row values. More...
 
 table_events_waits_common (const PFS_engine_table_share *share, void *pos)
 
 ~table_events_waits_common () override=default
 
void clear_object_columns ()
 
int make_table_object_columns (PFS_events_waits *wait)
 
int make_file_object_columns (PFS_events_waits *wait)
 
int make_socket_object_columns (PFS_events_waits *wait)
 
int make_metadata_lock_object_columns (PFS_events_waits *wait)
 
int make_row (PFS_events_waits *wait)
 Build a row. More...
 
- 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 Member Functions

PFS_events_waitsget_wait (PFS_thread *pfs_thread, uint index_2)
 
int make_row (PFS_thread *thread, PFS_events_waits *wait)
 

Private Attributes

pos_events_waits_current m_pos
 Current position. More...
 
pos_events_waits_current m_next_pos
 Next position. More...
 
PFS_index_events_waitsm_opened_index
 

Static Private Attributes

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

Friends

class table_events_waits_history
 
class table_events_waits_history_long
 

Additional Inherited Members

- Protected Attributes inherited from table_events_waits_common
row_events_waits m_row
 Current row. More...
 
- 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_CURRENT.

Constructor & Destructor Documentation

◆ table_events_waits_current()

table_events_waits_current::table_events_waits_current ( )
protected

◆ ~table_events_waits_current()

table_events_waits_current::~table_events_waits_current ( )
overridedefault

Member Function Documentation

◆ create()

PFS_engine_table * table_events_waits_current::create ( PFS_engine_table_share )
static

◆ delete_all_rows()

int table_events_waits_current::delete_all_rows ( void  )
static

◆ get_row_count()

ha_rows table_events_waits_current::get_row_count ( void  )
static

◆ get_wait()

PFS_events_waits * table_events_waits_current::get_wait ( PFS_thread pfs_thread,
uint  index_2 
)
private

◆ index_init()

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

Reimplemented from PFS_engine_table.

◆ index_next()

int table_events_waits_current::index_next ( void  )
overridevirtual

Find key in index, read record.

Reimplemented from PFS_engine_table.

◆ make_row()

int table_events_waits_current::make_row ( PFS_thread thread,
PFS_events_waits wait 
)
private

◆ reset_position()

void table_events_waits_current::reset_position ( void  )
overridevirtual

Reset the cursor position to the beginning of the table.

Implements PFS_engine_table.

◆ rnd_next()

int table_events_waits_current::rnd_next ( )
overridevirtual

Fetch the next row in this cursor.

Implements PFS_engine_table.

◆ rnd_pos()

int table_events_waits_current::rnd_pos ( const void *  pos)
overridevirtual

Fetch a row by position.

Parameters
posposition to fetch

Implements PFS_engine_table.

Friends And Related Function Documentation

◆ table_events_waits_history

friend class table_events_waits_history
friend

◆ table_events_waits_history_long

friend class table_events_waits_history_long
friend

Member Data Documentation

◆ m_next_pos

pos_events_waits_current table_events_waits_current::m_next_pos
private

Next position.

◆ m_opened_index

PFS_index_events_waits* table_events_waits_current::m_opened_index
private

◆ m_pos

pos_events_waits_current table_events_waits_current::m_pos
private

Current position.

◆ m_share

PFS_engine_table_share table_events_waits_current::m_share
static
Initial value:
= {
nullptr,
false,
{0},
false
}
static int delete_all_rows()
Definition: table_events_waits.cc:1064
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_events_waits.cc:911
static ha_rows get_row_count()
Definition: table_events_waits.cc:1069
static THR_LOCK m_table_lock
Table share lock.
Definition: table_events_waits.h:200
static Plugin_table m_table_def
Table definition.
Definition: table_events_waits.h:202
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:412
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_WAITS_CURRENT.
Definition: table_events_waits.h:102

Table share.

◆ m_table_def

Plugin_table table_events_waits_current::m_table_def
staticprivate

Table definition.

◆ m_table_lock

THR_LOCK table_events_waits_current::m_table_lock
staticprivate

Table share lock.


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