/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License , version 2 . 0 , for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software Foundation ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef TABLE_SETUP_INSTRUMENTS_H
#define TABLE_SETUP_INSTRUMENTS_H
/**
@ file storage / perfschema / table_setup_instruments . h
Table SETUP_INSTRUMENTS ( declarations ) .
*/
#include "pfs_instr_class.h"
#include "pfs_engine_table.h"
/**
@ addtogroup Performance_schema_tables
@ {
*/
/** A row of PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
struct row_setup_instruments
{
/** Columns NAME, ENABLED, TIMED. */
PFS_instr_class *m_instr_class;
/** True if column ENABLED can be updated. */
bool m_update_enabled;
/** True if column TIMED can be updated. */
bool m_update_timed;
};
/** Position of a cursor on PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
struct pos_setup_instruments : public PFS_double_index
{
static const uint FIRST_VIEW= 1 ;
static const uint VIEW_MUTEX= 1 ;
static const uint VIEW_RWLOCK= 2 ;
static const uint VIEW_COND= 3 ;
static const uint VIEW_THREAD= 4 ;
static const uint VIEW_FILE= 5 ;
static const uint VIEW_TABLE= 6 ;
static const uint VIEW_STAGE= 7 ;
static const uint VIEW_STATEMENT= 8 ;
static const uint VIEW_TRANSACTION=9 ;
static const uint VIEW_SOCKET= 10 ;
static const uint VIEW_IDLE= 11 ;
static const uint VIEW_BUILTIN_MEMORY= 12 ;
static const uint VIEW_MEMORY= 13 ;
static const uint VIEW_METADATA= 14 ;
static const uint LAST_VIEW= 14 ;
pos_setup_instruments()
: PFS_double_index(FIRST_VIEW, 1 )
{}
inline void reset(void )
{
m_index_1= FIRST_VIEW;
m_index_2= 1 ;
}
inline bool has_more_view(void )
{ return (m_index_1 <= LAST_VIEW); }
inline void next_view(void )
{
m_index_1++;
m_index_2= 1 ;
}
};
/** Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
class table_setup_instruments : public PFS_engine_table
{
public :
static PFS_engine_table_share_state m_share_state;
/** Table share. */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
static ha_rows get_row_count();
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all) override;
int update_row_values(TABLE *table,
const unsigned char *old_buf,
const unsigned char *new_buf,
Field **fields) override;
table_setup_instruments();
public :
~table_setup_instruments() = default ;
private :
void make_row(PFS_instr_class *klass, bool update_enabled, bool update_timed);
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current row. */
row_setup_instruments m_row;
/** Current position. */
pos_setup_instruments m_pos;
/** Next position. */
pos_setup_instruments m_next_pos;
};
/** @} */
#endif
Messung V0.5 in Prozent C=90 H=100 G=95
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-08)
¤
*© Formatika GbR, Deutschland