/* Copyright (c) 2013, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef PFS_EVENTS_TRANSACTIONS_H
#define PFS_EVENTS_TRANSACTIONS_H
/**
@ file storage / perfschema / pfs_events_transactions . h
Events transactions data structures ( declarations ) .
*/
#include "pfs_column_types.h"
#include "pfs_events.h"
#include "rpl_gtid.h"
#include "mysql/plugin.h" /* MYSQL_XIDDATASIZE */
#include "my_thread.h"
struct PFS_thread;
struct PFS_account;
struct PFS_user;
struct PFS_host;
/**
struct PSI_xid is binary compatible with the XID structure as
in the X / Open CAE Specification , Distributed Transaction Processing :
The XA Specification , X / Open Company Ltd . , 1991 .
http : //www.opengroup.org/bookstore/catalog/c193.htm
A value of - 1 in formatID means that the XID is null .
Max length for bqual and gtrid is 64 bytes each .
@ see XID in sql / handler . h
@ see MYSQL_XID in mysql / plugin . h
*/
struct PSI_xid
{
/** Format identifier. */
long formatID;
/** GTRID length, value 1-64. */
long gtrid_length;
/** BQUAL length, value 1-64. */
long bqual_length;
/** XID raw data, not \0-terminated */
char data[MYSQL_XIDDATASIZE];
PSI_xid() {null();}
bool is_null() { return formatID == -1 ; }
void null() { formatID= -1 ; gtrid_length= 0 ; bqual_length= 0 ;}
};
typedef struct PSI_xid PSI_xid;
/** A transaction record. */
struct PFS_events_transactions : public PFS_events
{
/** Source identifier, mapped from internal format. */
//rpl_sid m_sid;
/** InnoDB transaction ID. */
ulonglong m_trxid;
/** Status */
enum_transaction_state m_state;
/** Global Transaction ID specifier. */
Gtid_specification m_gtid_spec;
/** True if XA transaction. */
my_bool m_xa;
/** XA transaction ID. */
PSI_xid m_xid;
/** XA status */
enum_xa_transaction_state m_xa_state;
/** Transaction isolation level. */
enum_isolation_level m_isolation_level;
/** True if read-only transaction, otherwise read-write. */
my_bool m_read_only;
/** True if autocommit transaction. */
my_bool m_autocommit;
/** Total number of savepoints. */
ulonglong m_savepoint_count;
/** Number of rollback_to_savepoint. */
ulonglong m_rollback_to_savepoint_count;
/** Number of release_savepoint. */
ulonglong m_release_savepoint_count;
};
bool xid_printable(PSI_xid *xid, size_t offset, size_t length);
void insert_events_transactions_history(PFS_thread *thread, PFS_events_transactions *transaction);
void insert_events_transactions_history_long(PFS_events_transactions *transaction);
extern bool flag_events_transactions_current;
extern bool flag_events_transactions_history;
extern bool flag_events_transactions_history_long;
extern bool events_transactions_history_long_full;
extern PFS_cacheline_uint32 events_transactions_history_long_index;
extern PFS_events_transactions *events_transactions_history_long_array;
extern ulong events_transactions_history_long_size;
int init_events_transactions_history_long(uint events_transactions_history_long_sizing);
void cleanup_events_transactions_history_long();
void reset_events_transactions_current();
void reset_events_transactions_history();
void reset_events_transactions_history_long();
void reset_events_transactions_by_thread();
void reset_events_transactions_by_account();
void reset_events_transactions_by_user();
void reset_events_transactions_by_host();
void reset_events_transactions_global();
void aggregate_account_transactions(PFS_account *account);
void aggregate_user_transactions(PFS_user *user);
void aggregate_host_transactions(PFS_host *host);
#endif
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