/* Copyright (c) 2010, 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, Suite 500, Boston, MA 02110-1335 USA */
#ifndef TABLE_EVENTS_TRANSACTIONS_H
#define TABLE_EVENTS_TRANSACTIONS_H
/**
@ file storage / perfschema / table_events_HA_ERR_WRONG_COMMAND . h
Table EVENTS_TRANSACTIONS_xxx ( declarations ) .
*/
#include "pfs_column_types.h"
#include "pfs_engine_table.h"
#include "pfs_events_transactions.h"
#include "table_helper.h"
#include "rpl_gtid.h"
struct PFS_thread;
/**
@ addtogroup Performance_schema_tables
@ {
*/
/** A row of table_events_transactions_common. */
struct row_events_transactions
{
/** Column THREAD_ID. */
ulonglong m_thread_internal_id;
/** Column EVENT_ID. */
ulonglong m_event_id;
/** Column END_EVENT_ID. */
ulonglong m_end_event_id;
/** Column NESTING_EVENT_ID. */
ulonglong m_nesting_event_id;
/** Column NESTING_EVENT_TYPE. */
enum_event_type m_nesting_event_type;
/** Column EVENT_NAME. */
const char *m_name;
/** Length in bytes of @c m_name. */
uint m_name_length;
/** Column TIMER_START. */
ulonglong m_timer_start;
/** Column TIMER_END. */
ulonglong m_timer_end;
/** Column TIMER_WAIT. */
ulonglong m_timer_wait;
/** Column SOURCE. */
char m_source[COL_SOURCE_SIZE];
/** Length in bytes of @c m_source. */
uint m_source_length;
/** InnoDB transaction id. */
ulonglong m_trxid;
/** Transaction state. */
enum_transaction_state m_state;
/** Global Transaction ID. */
char m_gtid[GTID_MAX_STR_LENGTH + 1 ];
/** GTID length in bytes*/
int m_gtid_length;
/** XA transaction ID. */
PSI_xid m_xid;
/** XA transaction state. */
enum_xa_transaction_state m_xa_state;
/** True if XA transaction. */
bool m_xa;
/** True if autocommit transaction. */
bool m_autocommit;
/** Isolation level. */
enum_isolation_level m_isolation_level;
/** True if read-only, read-write otherwise. */
bool m_read_only;
/** Column NUMBER_OF_SAVEPOINTS. */
ulonglong m_savepoint_count;
/** Column NUMBER_OF_ROLLBACK_TO_SAVEPOINT. */
ulonglong m_rollback_to_savepoint_count;
/** Column NUMBER_OF_RELEASE_SAVEPOINT. */
ulonglong m_release_savepoint_count;
};
/**
Position of a cursor on PERFORMANCE_SCHEMA . EVENTS_TRANSACTIONS_HISTORY .
Index 1 on thread ( 0 based )
Index 2 on transaction event record in thread history ( 0 based )
*/
struct pos_events_transactions_history : public PFS_double_index
{
pos_events_transactions_history()
: PFS_double_index(0 , 0 )
{}
inline void reset(void )
{
m_index_1= 0 ;
m_index_2= 0 ;
}
inline void next_thread(void )
{
m_index_1++;
m_index_2= 0 ;
}
};
/**
Adapter , for table sharing the structure of
PERFORMANCE_SCHEMA . EVENTS_TRANSACTIONS_CURRENT .
*/
class table_events_transactions_common : public PFS_engine_table
{
protected :
int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all) override;
table_events_transactions_common(const PFS_engine_table_share *share, void *pos);
~table_events_transactions_common()
{}
void make_row(PFS_events_transactions *statement);
/** Current row. */
row_events_transactions m_row;
/** True if the current row exists. */
bool m_row_exists;
};
/** Table PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_CURRENT. */
class table_events_transactions_current : public table_events_transactions_common
{
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 int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_transactions_current();
public :
~table_events_transactions_current()
{}
private :
friend class table_events_transactions_history;
friend class table_events_transactions_history_long;
/** Table share lock. */
static THR_LOCK m_table_lock;
/**
Fields definition .
Also used by table_events_transactions_history
and table_events_transactions_history_long .
*/
static TABLE_FIELD_DEF m_field_def;
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** Table PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_HISTORY. */
class table_events_transactions_history : public table_events_transactions_common
{
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 int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_transactions_history();
public :
~table_events_transactions_history()
{}
private :
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current position. */
pos_events_transactions_history m_pos;
/** Next position. */
pos_events_transactions_history m_next_pos;
};
/** Table PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_HISTORY_LONG. */
class table_events_transactions_history_long : public table_events_transactions_common
{
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 int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_transactions_history_long();
public :
~table_events_transactions_history_long()
{}
private :
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** @} */
#endif
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