Transaction Instrumentation (ABI)

Collaboration diagram for Transaction Instrumentation (ABI):

Classes
struct	PSI_transaction_locker_state_v1
	State data storage for get_thread_transaction_locker_v1_t, get_thread_transaction_locker_v1_t. More...
struct	PSI_transaction_bootstrap
	Entry point for the performance schema interface. More...
struct	PSI_transaction_service_v1
	Performance Schema Transaction Interface, version 1. More...

Macros
#define	PSI_TRANSACTION_VERSION_1   1
	Performance Schema Transaction Interface number for version 1. More...
#define	PSI_CURRENT_TRANSACTION_VERSION   1
	Performance Schema Transaction Interface number for the most recent version. More...

Typedefs
typedef struct PSI_transaction_locker	PSI_transaction_locker
typedef struct PSI_transaction_locker_state_v1	PSI_transaction_locker_state_v1
typedef struct PSI_transaction_locker *(*	get_thread_transaction_locker_v1_t) (struct PSI_transaction_locker_state_v1 *state, const void *xid, const unsigned long long *trxid, int isolation_level, bool read_only, bool autocommit)
	Get a transaction instrumentation locker. More...
typedef void(*	start_transaction_v1_t) (struct PSI_transaction_locker *locker, const char *src_file, unsigned int src_line)
	Start a new transaction event. More...
typedef void(*	set_transaction_xid_v1_t) (struct PSI_transaction_locker *locker, const void *xid, int xa_state)
	Set the transaction xid. More...
typedef void(*	set_transaction_xa_state_v1_t) (struct PSI_transaction_locker *locker, int xa_state)
	Set the state of the XA transaction. More...
typedef void(*	set_transaction_gtid_v1_t) (struct PSI_transaction_locker *locker, const void *sid, const void *gtid_spec)
	Set the transaction gtid. More...
typedef void(*	set_transaction_trxid_v1_t) (struct PSI_transaction_locker *locker, const unsigned long long *trxid)
	Set the transaction trx_id. More...
typedef void(*	inc_transaction_savepoints_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)
	Increment a transaction event savepoint count. More...
typedef void(*	inc_transaction_rollback_to_savepoint_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)
	Increment a transaction event rollback to savepoint count. More...
typedef void(*	inc_transaction_release_savepoint_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)
	Increment a transaction event release savepoint count. More...
typedef void(*	end_transaction_v1_t) (struct PSI_transaction_locker *locker, bool commit)
	Commit or rollback the transaction. More...
typedef struct PSI_transaction_locker_state_v1	PSI_transaction_locker_state
typedef struct PSI_transaction_bootstrap	PSI_transaction_bootstrap
typedef struct PSI_transaction_service_v1	PSI_transaction_service_t

Variables
MYSQL_PLUGIN_IMPORT PSI_transaction_service_t *	psi_transaction_service

Detailed Description

Macro Definition Documentation

PSI_CURRENT_TRANSACTION_VERSION

#define PSI_CURRENT_TRANSACTION_VERSION   1

Performance Schema Transaction Interface number for the most recent version.

The most current version is PSI_TRANSACTION_VERSION_1

PSI_TRANSACTION_VERSION_1

#define PSI_TRANSACTION_VERSION_1   1

Performance Schema Transaction Interface number for version 1.

This version is supported.

Typedef Documentation

end_transaction_v1_t

typedef void(* end_transaction_v1_t) (struct PSI_transaction_locker *locker, bool commit)

Commit or rollback the transaction.

Parameters

locker	the transaction locker for this event
commit	true if transaction was committed, false if rolled back

get_thread_transaction_locker_v1_t

typedef struct PSI_transaction_locker *(* get_thread_transaction_locker_v1_t) (struct PSI_transaction_locker_state_v1 *state, const void *xid, const unsigned long long *trxid, int isolation_level, bool read_only, bool autocommit)

Get a transaction instrumentation locker.

Parameters

state	data storage for the locker
xid	the xid for this transaction
trxid	the InnoDB transaction id
isolation_level	isolation level for this transaction
read_only	true if transaction access mode is read-only
autocommit	true if transaction is autocommit

Returns

a transaction locker, or NULL

inc_transaction_release_savepoint_v1_t

typedef void(* inc_transaction_release_savepoint_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)

Increment a transaction event release savepoint count.

Parameters

locker	the transaction locker
count	the increment value

inc_transaction_rollback_to_savepoint_v1_t

typedef void(* inc_transaction_rollback_to_savepoint_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)

Increment a transaction event rollback to savepoint count.

Parameters

locker	the transaction locker
count	the increment value

inc_transaction_savepoints_v1_t

typedef void(* inc_transaction_savepoints_v1_t) (struct PSI_transaction_locker *locker, unsigned long count)

Increment a transaction event savepoint count.

Parameters

locker	the transaction locker
count	the increment value

PSI_transaction_bootstrap

typedef struct PSI_transaction_bootstrap PSI_transaction_bootstrap

PSI_transaction_locker

typedef struct PSI_transaction_locker PSI_transaction_locker

PSI_transaction_locker_state

typedef struct PSI_transaction_locker_state_v1 PSI_transaction_locker_state

PSI_transaction_locker_state_v1

typedef struct PSI_transaction_locker_state_v1 PSI_transaction_locker_state_v1

PSI_transaction_service_t

typedef struct PSI_transaction_service_v1 PSI_transaction_service_t

set_transaction_gtid_v1_t

typedef void(* set_transaction_gtid_v1_t) (struct PSI_transaction_locker *locker, const void *sid, const void *gtid_spec)

Set the transaction gtid.

Parameters

locker	the transaction locker for this event
sid	the source id for the transaction, mapped from sidno
gtid_spec	the gtid specifier for the transaction

set_transaction_trxid_v1_t

typedef void(* set_transaction_trxid_v1_t) (struct PSI_transaction_locker *locker, const unsigned long long *trxid)

Set the transaction trx_id.

Parameters

locker	the transaction locker for this event
trxid	the storage engine transaction ID

set_transaction_xa_state_v1_t

typedef void(* set_transaction_xa_state_v1_t) (struct PSI_transaction_locker *locker, int xa_state)

Set the state of the XA transaction.

Parameters

locker	the transaction locker for this event
xa_state	the new state of the xa transaction

set_transaction_xid_v1_t

typedef void(* set_transaction_xid_v1_t) (struct PSI_transaction_locker *locker, const void *xid, int xa_state)

Set the transaction xid.

Parameters

locker	the transaction locker for this event
xid	the id of the XA transaction
xa_state	the state of the XA transaction

start_transaction_v1_t

typedef void(* start_transaction_v1_t) (struct PSI_transaction_locker *locker, const char *src_file, unsigned int src_line)

Start a new transaction event.

Parameters

locker	the transaction locker for this event
src_file	source file name
src_line	source line number

Variable Documentation

psi_transaction_service

MYSQL_PLUGIN_IMPORT PSI_transaction_service_t* psi_transaction_service

extern