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| Current File : //home/usr.opt/mysql57/mysql-test/r/session_tracker_trx_state.result |
#
# WL#6631: Detect transaction boundaries
#
########################################################################
#
# set up: save settings
#
SET autocommit=1;
# if we track CHARACTERISTICS, we must also track the tx_* sysvars!
SELECT @@session.session_track_system_variables INTO @old_track_list;
SET @track_list= CONCAT(@old_track_list,
",transaction_read_only,transaction_isolation ");
SET SESSION session_track_system_variables=@track_list;
SELECT @@session.session_track_state_change INTO @old_track_enable;
SET SESSION session_track_state_change=TRUE;
SELECT @@session.session_track_transaction_info INTO @old_track_tx;
SET SESSION query_cache_type = 0;
Warnings:
Warning 1287 '@@query_cache_type' is deprecated and will be removed in a future release.
FLUSH STATUS;
########################################################################
#
# test "STATE" tracking: transaction type transitions
#
SET SESSION session_track_transaction_info="STATE";
# 3.1.1.1.1 "explicit transaction active"
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# 3.1.1.1.1 ending explicit transaction explicitly
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# 3.1.1.1.1 ending explicit transaction implicitly
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
DROP TABLE t1;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# 3.1.1.2 "no work attached"
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SET @dummy=0;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# 3.1.1.1.2 "implicit transaction active"
#
SET autocommit=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
INSERT INTO t1 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
SELECT f1 FROM t1 LIMIT 1 INTO @dummy;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I_R_Ws__
SELECT f1 FROM t1;
f1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I_R_WsS_
BEGIN WORK;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
DROP TABLE t1;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SELECT RAND(22) INTO @dummy;
COMMIT;
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
SET TRANSACTION READ ONLY;
SET TRANSACTION READ WRITE;
SELECT RAND(22) INTO @dummy;
SET TRANSACTION READ WRITE;
INSERT INTO t1 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
SET TRANSACTION READ WRITE;
ERROR 25001: Transaction characteristics can't be changed while a transaction is in progress
DROP TABLE t1;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET autocommit=1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
########################################################################
#
# test "STATE" tracking: transaction state reporting
#
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
# We don't report when in autocommit mode and outside a transaction:
INSERT INTO t1 VALUES(1);
SELECT 1 FROM DUAL;
1
1
DELETE FROM t1;
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# add "unsafe stmt" to the set:
SET @x=UUID();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T____s__
# next stmt is safe, but unsafe flag should stick:
SET @x=1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# however, after C/A/C, the status should revert to "empty trx":
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# SELECT with no tables gives us just a result set
SELECT 1 FROM DUAL;
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# SELECT with no tables and no result set
SELECT 1 FROM DUAL INTO OUTFILE 'VARDIR/tmp/wl6631.csv';
COMMIT AND CHAIN;
# SELECT with trx tables but no result set
SELECT f1 FROM t1 INTO OUTFILE 'VARDIR/tmp/wl6631.csv';;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# SELECT with non-trx tables but no result set
SELECT f1 FROM t2 INTO OUTFILE 'VARDIR/tmp/wl6631.csv';;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Tr______
# show that "unsafe read" sticks (isn't cleared by the dummy SELECT)
SELECT 1 FROM DUAL INTO @x;
# clear state
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1;
DROP TABLE t2;
# read with and without result set:
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="InnoDB";
INSERT INTO t1 VALUES (123);
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT f1 FROM t1;
f1
123
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R___S_
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
INSERT INTO t2 SELECT f1 FROM t1;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_W___
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1;
DROP TABLE t2;
# states: read + write; transactional + non-transactional
# state should be "no transaction":
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
# resulting state should be "T", transaction started, no data modified:
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# resulting state should be "W", transactional write pending:
INSERT INTO t1 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
# resulting state should be "wW", both safe and unsafe writes happened:
INSERT INTO t2 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T__wW___
# resulting state should STILL be "wW"!
INSERT INTO t1 VALUES (1);
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# resulting state should be "w", unsafe non-transaction write happened:
INSERT INTO t2 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T__w____
# resulting state should be "wW", both safe and unsafe writes happened:
INSERT INTO t1 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T__wW___
# resulting state should be "RwW" (adding transactional read):
SELECT f1 FROM t1;
f1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_RwW_S_
# resulting state should be "rRwW" (adding non-transactional read):
SELECT f1 FROM t2;
f1
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrRwW_S_
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1, t2;
# autocommit (0)
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
SET autocommit=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET @x=UUID();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET @x=1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET @x=UUID();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# SET TRANSACTION one-shot should generate a tracker item when
# tracking statements. Transaction state however should not change.
# We can still set chistics here because in_active_multi_stmt_transaction()
# is still false (!SERVER_STATUS_IN_TRANS).
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
INSERT INTO t1 VALUES(1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
# Now that we've involved tables in the implicit transaction, we're
# no longer allowed to change its chistics:
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
ERROR 25001: Transaction characteristics can't be changed while a transaction is in progress
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
INSERT INTO t1 VALUES(3);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
DROP TABLE t1;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT 1 FROM DUAL;
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
SELECT 1 FROM DUAL INTO @dummy;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
SELECT f1 FROM t2;
f1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Ir____S_
DROP TABLE t2;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET autocommit=1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
########################################################################
#
# test "CHARACTERISTICS" tracking
#
SET SESSION session_track_transaction_info="CHARACTERISTICS";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
START TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# state is again "we have an empty transaction", so make no state item
START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
START TRANSACTION READ WRITE, WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT, READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
START TRANSACTION READ ONLY, WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT, READ ONLY;
# chain read chistics, but not snapshot:
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SET TRANSACTION READ ONLY;
ERROR 25001: Transaction characteristics can't be changed while a transaction is in progress
# will create an empty characteristics item by convention, plus 0 state
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# chistics: READ ONLY
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
# chistics: READ ONLY + ISOL RR
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL REPEATABLE READ; SET TRANSACTION READ ONLY;
# chistics: READ ONLY + ISOL RR
SET TRANSACTION READ ONLY;
# chistics: READ WRITE + ISOL RR
SET TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL REPEATABLE READ; SET TRANSACTION READ WRITE;
# chistics: READ WRITE + ISOL RR
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
# chistics: READ ONLY + ISOL SER
SET TRANSACTION READ ONLY, ISOLATION LEVEL SERIALIZABLE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; SET TRANSACTION READ ONLY;
# chistics: READ ONLY + ISOL SER
BEGIN WORK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET SESSION tx_read_only=0;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
Warnings:
Warning 1287 '@@tx_read_only' is deprecated and will be removed in a future release. Please use '@@transaction_read_only' instead
# one-shot (different from session default)
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# one-shot (repeats session default)
SET TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ WRITE;
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# session
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_isolation
-- READ-UNCOMMITTED
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
# "isolation" one-shot is set, and added to chistics tracker (=> 1 item)
SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
# "read-only" one-shot is set, and added to chistics tracker (=> 2 items)
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED; SET TRANSACTION READ ONLY;
# setting the session default:
# - we receive "changed variable" for @@session.tx_read_only
# - "read-only" one-shot is cleared, disappears from chistics tracker
# - "isolation" one-shot remains set, and remains in chistics tracker
SET SESSION TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_read_only
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
# chistics: isolation level is READ COMMITTED (from one-shot), READ ONLY
# or READ WRITE not given, as we're using session default again
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED; START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# chistics: READ ONLY
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
# chistics: READ ONLY, READ COMM
SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED; SET TRANSACTION READ ONLY;
# chistics: SESSION resets ISOL one-shot, READ ONLY remains
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_isolation
-- READ-UNCOMMITTED
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
# chistics: SESSION resets READ one-shot, nothing remains
SET SESSION TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_read_only
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_isolation
-- REPEATABLE-READ
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET SESSION TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- transaction_read_only
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# show that START TRANSACTION READ ... overrides SET TRANSACTION READ ..
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
START TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# chistics AND CHAIN
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED; START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
ROLLBACK AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL READ COMMITTED; START TRANSACTION READ ONLY;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# show that session_track_transaction_info="STATE" will hide some edges
SET session_track_transaction_info="STATE";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# normal syntax: TR->T->0
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# normal syntax: T->T->0
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# state does not change, and therefore isn't reported
COMMIT AND CHAIN;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# pathological syntax: TR->TR->0
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
# state does not change, and therefore isn't reported
START TRANSACTION WITH CONSISTENT SNAPSHOT;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# show that session_track_transaction_info="CHARACTERISTICS" shows more edges
SET session_track_transaction_info="CHARACTERISTICS";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
# normal syntax: TR->T->0
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# normal syntax: T->T->0
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT AND CHAIN;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# pathological syntax: TR->TR->0
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_____
START TRANSACTION WITH CONSISTENT SNAPSHOT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION WITH CONSISTENT SNAPSHOT;
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# chistics and interaction of implicit trx and explicit trx
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
SET autocommit=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
INSERT INTO t1 VALUES(1);
ERROR 25006: Cannot execute statement in a READ ONLY transaction.
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
SET TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ WRITE;
SET TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ ONLY;
SET TRANSACTION READ WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION READ WRITE;
INSERT INTO t1 VALUES(1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
SET TRANSACTION READ WRITE;
ERROR 25001: Transaction characteristics can't be changed while a transaction is in progress
START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION READ ONLY;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
DROP TABLE t1;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
INSERT INTO t1 VALUES(1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
# implicit commit (chistics item here, clearing isolation level):
ALTER TABLE t1 ADD COLUMN f2 INT;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
INSERT INTO t1 VALUES(2,2);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W___
# implicit commit (no chistics item here):
ALTER TABLE t1 ADD COLUMN f3 INT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- START TRANSACTION;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1;
SET autocommit=1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET session_track_transaction_info="STATE";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
########################################################################
#
# show that table access reporting works in multi-statements
#
# multi-stmt #1
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT; INSERT INTO t2 VALUES (1); BEGIN; |
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t2;
# multi-stmt #2
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
COMMIT; INSERT INTO t2 VALUES (1); BEGIN; INSERT INTO t1 VALUES (99); |
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1;
DROP TABLE t2;
########################################################################
#
# show that table access reporting works in Stored Functions (SF)
#
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
INSERT INTO t1 VALUES (1);
# create func1() in system table:
CREATE FUNCTION func1()
RETURNS INTEGER
BEGIN
SET @dummy = 0;
IF (SELECT * FROM t1) THEN
SET @dummy = 1;
END IF;
RETURN @dummy;
END|
# func1() reads a trx table (and is read from a system table!):
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT func1();
func1()
1
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R___S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t1;
# drop func1() from system table:
DROP FUNCTION func1;
########################################################################
#
# show that reporting works for Stored Procedures (SP)
#
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2);
CREATE PROCEDURE proc1()
BEGIN
SET @dummy = 0;
IF (SELECT f1 FROM t1) THEN
SET @dummy = 1;
END IF;
END|
CREATE PROCEDURE proc2()
BEGIN
CALL proc1();
UPDATE t1 SET f1=4;
END|
CREATE PROCEDURE proc3()
BEGIN
DECLARE x CHAR(36);
SET x=UUID();
END|
CREATE PROCEDURE proc4(x CHAR(36))
BEGIN
END|
CREATE PROCEDURE proc5()
BEGIN
SELECT f1 FROM t1;
SELECT f1 FROM t2;
END|
CREATE PROCEDURE proc6a()
BEGIN
IF (SELECT f1 FROM t1) THEN
SET @dummy = 1;
END IF;
ALTER TABLE t1 ADD COLUMN f2 INT;
IF (SELECT f1 FROM t2) THEN
SET @dummy = 1;
END IF;
END|
CREATE PROCEDURE proc6b()
BEGIN
SELECT f1 FROM t1;
ALTER TABLE t1 ADD COLUMN f3 INT;
SELECT f1 FROM t2;
END|
CREATE PROCEDURE proc7(x INT)
BEGIN
SELECT f1 FROM t1;
SELECT f1*2 FROM t1;
END|
CREATE PROCEDURE proc8(x INT)
BEGIN
SELECT f1 FROM t1;
IF (SELECT f1 FROM t2) THEN
SET @dummy = 1;
END IF;
END|
CREATE PROCEDURE proc9(x INT)
BEGIN
SELECT f1 FROM t1;
IF (SELECT f1 FROM t1) THEN
SET @dummy = 1;
END IF;
END|
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# example unsafe call:
CALL proc3();
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T____s__
# report on tables accessed within SP:
CALL proc1();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R__s__
# report on tables accessed within all (nested) SP:
CALL proc2();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R_Ws__
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
CALL proc4(UUID());
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T____s__
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# multiple result sets:
# autocommit=1, not in a transaction, no tracker item:
CALL proc5();
f1
4
f1
2
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# first SELECT adds R/S to present T and renders a tracker item;
# second SELECT add r flag and renders another tracker item
CALL proc5();
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R___S_
f1
2
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET autocommit=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# first SELECT renders I/R/S tracker item;
# second SELECT add r flag and renders another tracker item
CALL proc5();
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I_R___S_
f1
2
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- IrR___S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# first SELECT adds R/S to present T and renders a tracker item;
# second SELECT add r flag and renders another tracker item
CALL proc5();
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R___S_
f1
2
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# multiple result sets; implicit commit between them
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# first SELECT adds R/S to present T and renders a tracker item;
# second SELECT add r flag and renders another tracker item
CALL proc6b();
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_R___S_
f1
2
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Ir____S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# first SELECT adds R/S to present T and renders a tracker item;
# second SELECT add r flag and renders another tracker item
CALL proc6a();
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Ir______
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# multiple result sets; sub-query as argument, autocommit==0
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT 1 FROM DUAL;
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
CALL proc7((SELECT f1 FROM t2));
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
f1*2
8
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET autocommit=1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
# multiple result sets; sub-query as argument, autocommit==1
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT 1 FROM DUAL;
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
CALL proc7((SELECT f1 FROM t2));
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
f1*2
8
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# not in a transaction, no tracking
CALL proc8((SELECT f1 FROM t2));
f1
4
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# body sets R/S in select, and r in sub-select
CALL proc8((SELECT f1 FROM t2));
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
# argument sets r, body sets R
CALL proc9((SELECT f1 FROM t2));
f1
4
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- TrR___S_
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP PROCEDURE proc1;
DROP PROCEDURE proc2;
DROP PROCEDURE proc3;
DROP PROCEDURE proc4;
DROP PROCEDURE proc5;
DROP PROCEDURE proc6a;
DROP PROCEDURE proc6b;
DROP PROCEDURE proc7;
DROP PROCEDURE proc8;
DROP PROCEDURE proc9;
DROP TABLE t1;
DROP TABLE t2;
########################################################################
#
# interaction with system tables
#
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET');
CONVERT_TZ('2004-01-01 12:00:00','GMT','MET')
NULL
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
DROP TABLE t2;
#
# log tables
#
SET @old_log_output= @@global.log_output;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET @old_general_log= @@global.general_log;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SET @old_general_log_file= @@global.general_log_file;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
TRUNCATE TABLE mysql.general_log;
SET GLOBAL log_output = 'TABLE';
SET GLOBAL general_log= 'ON';
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT 1 FROM DUAL;
1
1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_____S_
SELECT " -> ", argument FROM mysql.general_log WHERE argument LIKE '% DUAL' AND (command_type!='Prepare');
-> argument
-> SELECT 1 FROM DUAL
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Tr____S_
ROLLBACK;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
TRUNCATE TABLE mysql.general_log;
SET GLOBAL general_log_file= @old_general_log_file;
SET GLOBAL general_log= @old_general_log;
SET GLOBAL log_output= @old_log_output;
########################################################################
#
# show that table access reporting works with LOCK TABLES
#
CREATE TABLE t1 (f1 INT) ENGINE="InnoDB";
CREATE TABLE t2 (f1 INT) ENGINE="MyISAM";
SET autocommit=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SELECT 1 FROM DUAL;
1
1
SELECT f1 FROM t1;
f1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I_R___S_
# no LOCK held this time, so no implicit commit:
UNLOCK TABLES;
# LOCK TABLES pre-commits:
LOCK TABLES t1 WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I___W__L
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
SELECT f1 FROM t1;
f1
1
2
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- I_R_W_SL
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- _______L
SET TRANSACTION READ ONLY;
SET TRANSACTION READ WRITE;
UNLOCK TABLES;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET autocommit=1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
LOCK TABLE t1 WRITE, t2 WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- _______L
INSERT INTO t2 VALUES (3);
INSERT INTO t1 VALUES (3);
SELECT f1 FROM t1 WHERE f1 > 2;
f1
3
UNLOCK TABLES;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# don't report chistics for autocommits while LOCK is held
SET SESSION session_track_transaction_info="CHARACTERISTICS";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
LOCK TABLE t1 WRITE;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- _______L
INSERT INTO t1 VALUES (3);
SELECT f1 FROM t1 WHERE f1 > 2;
f1
3
3
UNLOCK TABLES;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET session_track_transaction_info="STATE";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
DROP TABLE t1;
DROP TABLE t2;
########################################################################
#
# query cache
#
SELECT @@global.query_cache_size INTO @old_qc_size;
Warnings:
Warning 1287 '@@query_cache_size' is deprecated and will be removed in a future release.
SET GLOBAL query_cache_size = 999424;
Warnings:
Warning 1287 '@@query_cache_size' is deprecated and will be removed in a future release.
SET SESSION query_cache_type = 1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
Warnings:
Warning 1287 '@@query_cache_type' is deprecated and will be removed in a future release.
SELECT @@global.query_cache_size;
@@global.query_cache_size
999424
Warnings:
Warning 1287 '@@query_cache_size' is deprecated and will be removed in a future release.
SELECT @@session.query_cache_type;
@@session.query_cache_type
ON
Warnings:
Warning 1287 '@@query_cache_type' is deprecated and will be removed in a future release.
CREATE TABLE t1 (f1 INT) ENGINE="MyISAM";
INSERT INTO t1 VALUES (1), (2), (3);
# show we can't add queries to the cache while tracking:
BEGIN;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
SELECT f1 FROM t1 WHERE f1 > 1;
f1
2
3
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- Tr____S_
SELECT f1 FROM t1 WHERE f1 > 1;
f1
2
3
COMMIT;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 0
SET SESSION session_track_transaction_info="OFF";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
SELECT f1 FROM t1 WHERE f1 > 1;
f1
2
3
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 1
SELECT f1 FROM t1 WHERE f1 > 1;
f1
2
3
SHOW STATUS LIKE 'Qcache_hits';
Variable_name Value
Qcache_hits 1
SET SESSION session_track_transaction_info="STATE";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 1
SELECT f1 FROM t1 WHERE f1 > 1;
f1
2
3
SHOW STATUS LIKE 'Qcache_hits';
Variable_name Value
Qcache_hits 1
RESET QUERY CACHE;
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
FLUSH STATUS;
DROP TABLE t1;
SET SESSION query_cache_type = 0;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
Warnings:
Warning 1287 '@@query_cache_type' is deprecated and will be removed in a future release.
SET GLOBAL query_cache_size = @old_qc_size;
Warnings:
Warning 1287 '@@query_cache_size' is deprecated and will be removed in a future release.
########################################################################
#
# XA
#
CREATE TABLE t1 (f1 int) ENGINE="InnoDB";
SET SESSION session_track_transaction_info="CHARACTERISTICS";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
# XA ROLLBACK
XA START 'test1';
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- XA START 'test1';
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
INSERT t1 VALUES (1);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
XA END 'test1';
XA PREPARE 'test1';
XA ROLLBACK 'test1';
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# XA COMMIT
XA START 'test2', 'yy';
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- XA START 'test2','yy';
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
INSERT t1 VALUES (2);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
XA END 'test2', 'yy';
XA PREPARE 'test2', 'yy';
XA COMMIT 'test2', 'yy';
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
# XA COMMIT ONE PHASE
XA START 'test3','xx',5;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
-- XA START 'test3','xx',5;
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T_______
INSERT t1 VALUES (3);
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- T___W___
XA END 'test3','xx',5;
XA COMMIT 'test3','xx',5 ONE PHASE;
-- Tracker : SESSION_TRACK_TRANSACTION_CHARACTERISTICS
--
-- Tracker : SESSION_TRACK_TRANSACTION_STATE
-- ________
SET SESSION session_track_transaction_info="OFF";
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1
DROP TABLE t1;
########################################################################
#
# cleanup
#
SET SESSION session_track_system_variables= @old_track_list;
SET SESSION session_track_state_change=@old_track_enable;
SET SESSION session_track_transaction_info=@old_track_tx;