MySQL 8.0.31
Source Code Documentation

Abstract table, a union of all instrumentations instances. More...

#include <table_all_instr.h>

Inheritance diagram for table_all_instr:
[legend]

Public Member Functions

int index_init (uint, bool) 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...
 
void reset_position (void) override
 Reset the cursor position to the beginning of the table. More...
 
int index_next (void) 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 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...
 

Protected Member Functions

 table_all_instr (const PFS_engine_table_share *share)
 
virtual int make_mutex_row (PFS_mutex *pfs)=0
 Build a row in the mutex instance view. More...
 
virtual int make_rwlock_row (PFS_rwlock *pfs)=0
 Build a row in the rwlock instance view. More...
 
virtual int make_cond_row (PFS_cond *pfs)=0
 Build a row in the condition instance view. More...
 
virtual int make_file_row (PFS_file *pfs)=0
 Build a row in the file instance view. More...
 
virtual int make_socket_row (PFS_socket *pfs)=0
 Build a row in the socket instance view. More...
 
- Protected Member Functions inherited from PFS_engine_table
virtual int read_row_values (TABLE *table, unsigned char *buf, Field **fields, bool read_all)=0
 Read the current row values. More...
 
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...
 

Protected Attributes

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

Abstract table, a union of all instrumentations instances.

This table is a union of:

  • a view on all mutex instances,
  • a view on all rwlock instances,
  • a view on all cond instances,
  • a view on all file instances,
  • a view on all socket instances

Constructor & Destructor Documentation

◆ table_all_instr()

table_all_instr::table_all_instr ( const PFS_engine_table_share share)
explicitprotected

◆ ~table_all_instr()

table_all_instr::~table_all_instr ( )
overridedefault

Member Function Documentation

◆ get_row_count()

ha_rows table_all_instr::get_row_count ( void  )
static

◆ index_init()

int table_all_instr::index_init ( uint  ,
bool   
)
inlineoverridevirtual

Reimplemented from PFS_engine_table.

Reimplemented in table_events_waits_summary_by_instance.

◆ index_next()

int table_all_instr::index_next ( void  )
overridevirtual

Find key in index, read record.

Reimplemented from PFS_engine_table.

◆ make_cond_row()

virtual int table_all_instr::make_cond_row ( PFS_cond pfs)
protectedpure virtual

Build a row in the condition instance view.

Parameters
pfsthe condition instance

Implemented in table_events_waits_summary_by_instance.

◆ make_file_row()

virtual int table_all_instr::make_file_row ( PFS_file pfs)
protectedpure virtual

Build a row in the file instance view.

Parameters
pfsthe file instance

Implemented in table_events_waits_summary_by_instance.

◆ make_mutex_row()

virtual int table_all_instr::make_mutex_row ( PFS_mutex pfs)
protectedpure virtual

Build a row in the mutex instance view.

Parameters
pfsthe mutex instance

Implemented in table_events_waits_summary_by_instance.

◆ make_rwlock_row()

virtual int table_all_instr::make_rwlock_row ( PFS_rwlock pfs)
protectedpure virtual

Build a row in the rwlock instance view.

Parameters
pfsthe rwlock instance

Implemented in table_events_waits_summary_by_instance.

◆ make_socket_row()

virtual int table_all_instr::make_socket_row ( PFS_socket pfs)
protectedpure virtual

Build a row in the socket instance view.

Parameters
pfsthe socket instance

Implemented in table_events_waits_summary_by_instance.

◆ reset_position()

void table_all_instr::reset_position ( void  )
overridevirtual

Reset the cursor position to the beginning of the table.

Implements PFS_engine_table.

◆ rnd_next()

int table_all_instr::rnd_next ( )
overridevirtual

Fetch the next row in this cursor.

Implements PFS_engine_table.

◆ rnd_pos()

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

Fetch a row by position.

Parameters
posposition to fetch

Implements PFS_engine_table.

Member Data Documentation

◆ m_next_pos

pos_all_instr table_all_instr::m_next_pos
protected

Next position.

◆ m_opened_index

PFS_index_all_instr* table_all_instr::m_opened_index
protected

◆ m_pos

pos_all_instr table_all_instr::m_pos
protected

Current position.


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