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Current File : /www/server/mysql/src/mysql-test/suite/sys_vars/r/transaction_isolation_func.result
#
# WL#9636: Rename tx_{read_only,isolation} variables to transaction_*
#
# Setup.
SET @session_transaction_isolation = @@SESSION.transaction_isolation;
SET @global_transaction_isolation = @@GLOBAL.transaction_isolation;
# Creating connections
connect  con0,localhost,root,,;
connection con0;
SET SESSION AUTOCOMMIT = OFF;
connect  con1, localhost, root,,;
connection con1;
SET SESSION AUTOCOMMIT = OFF;
connection default;
# Creating tables
CREATE TABLE t1 (a int PRIMARY KEY, b int) ENGINE=INNODB;
INSERT INTO t1 VALUES(2, 2);
INSERT INTO t1 VALUES(4, 4);
INSERT INTO t1 VALUES(6, 6);
INSERT INTO t1 VALUES(8, 8);
INSERT INTO t1 VALUES(16, 16);
INSERT INTO t1 VALUES(18, 18);
INSERT INTO t1 VALUES(20, 20);
INSERT INTO t1 VALUES(22, 22);
INSERT INTO t1 VALUES(24, 24);
# Testing for value READ-UNCOMMITTED
connection con0;
SET SESSION transaction_isolation = 'READ-UNCOMMITTED';
set binlog_format=mixed;
connection con1;
SET SESSION transaction_isolation = 'READ-UNCOMMITTED';
set binlog_format=mixed;
# Testing WHERE on keys using IN clause
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a IN (2,4,6,8) FOR UPDATE;
a	b
2	2
4	4
6	6
8	8
UPDATE t1 SET b = 10 WHERE a IN (2,4,6,8);
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	10
4	10
6	10
8	10
16	16
18	18
20	20
22	22
24	24
INSERT INTO t1 VALUES(1, 1);
INSERT INTO t1 VALUES(3, 3);
SELECT * FROM t1;
a	b
1	1
2	10
3	3
4	10
6	10
8	10
16	16
18	18
20	20
22	22
24	24
COMMIT;
connection con0;
DELETE FROM t1 WHERE a = 1 OR a = 3;
COMMIT;
# Testing WHERE on keys using # on even rows
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE;
a	b
2	10
4	10
6	10
8	10
16	16
18	18
20	20
22	22
24	24
UPDATE t1 SET b = 10 WHERE a % 2 = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	10
4	10
6	10
8	10
16	10
18	10
20	10
22	10
24	10
INSERT INTO t1 VALUES(23, 23);
INSERT INTO t1 VALUES(25, 25);
SELECT * FROM t1;
a	b
2	10
4	10
6	10
8	10
16	10
18	10
20	10
22	10
23	23
24	10
25	25
COMMIT;
connection con0;
COMMIT;
# Testing for value READ-COMMITTED
connection con0;
SET SESSION transaction_isolation = 'READ-COMMITTED';
connection con1;
SET SESSION transaction_isolation = 'READ-COMMITTED';
# Testing WHERE on keys using % on even rows
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE;
a	b
2	10
4	10
6	10
8	10
16	10
18	10
20	10
22	10
24	10
UPDATE t1 SET b = 11 WHERE a % 2 = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	10
4	10
6	10
8	10
16	10
18	10
20	10
22	10
23	23
24	10
25	25
INSERT INTO t1 VALUES(5, 5);
INSERT INTO t1 VALUES(7, 7);
SELECT * FROM t1;
a	b
2	10
4	10
5	5
6	10
7	7
8	10
16	10
18	10
20	10
22	10
23	23
24	10
25	25
COMMIT;
connection con0;
COMMIT;
# Testing for value REPEATABLE-READ
connection con0;
SET SESSION transaction_isolation = 'REPEATABLE-READ';
connection con1;
SET SESSION transaction_isolation = 'REPEATABLE-READ';
# Testing WHERE on keys using % on even rows
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE;
a	b
2	11
4	11
6	11
8	11
16	11
18	11
20	11
22	11
24	11
UPDATE t1 SET b = 12 WHERE a % 2 = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	11
4	11
5	5
6	11
7	7
8	11
16	11
18	11
20	11
22	11
23	23
24	11
25	25
INSERT INTO t1 VALUES(9, 9);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
INSERT INTO t1 VALUES(13, 13);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
Expected error "Lock wait timeout"
SELECT * FROM t1;
a	b
2	11
4	11
5	5
6	11
7	7
8	11
16	11
18	11
20	11
22	11
23	23
24	11
25	25
COMMIT;
connection con0;
COMMIT;
# Testing WHERE on keys using IN clause
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0 FOR UPDATE;
a	b
5	5
7	7
23	23
25	25
UPDATE t1 SET b = 13 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	12
4	12
5	5
6	12
7	7
8	12
16	12
18	12
20	12
22	12
23	23
24	12
25	25
INSERT INTO t1 VALUES(9, 9);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
INSERT INTO t1 VALUES(13, 13);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
Expected error "Lock wait timeout"
SELECT * FROM t1;
a	b
2	12
4	12
5	5
6	12
7	7
8	12
16	12
18	12
20	12
22	12
23	23
24	12
25	25
COMMIT;
connection con0;
COMMIT;
# Testing WHERE on keys using IN clause
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a IN (2,4,6,8) = 0 FOR UPDATE;
a	b
5	13
7	13
16	12
18	12
20	12
22	12
23	13
24	12
25	13
UPDATE t1 SET b = 14 WHERE a IN (2,4,6,8) = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
a	b
2	12
4	12
5	13
6	12
7	13
8	12
16	12
18	12
20	12
22	12
23	13
24	12
25	13
INSERT INTO t1 VALUES(9, 9);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
INSERT INTO t1 VALUES(13, 13);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
Expected error "Lock wait timeout"
SELECT * FROM t1;
a	b
2	12
4	12
5	13
6	12
7	13
8	12
16	12
18	12
20	12
22	12
23	13
24	12
25	13
COMMIT;
connection con0;
COMMIT;
# Testing for value SERIALIZABLE
connection con0;
SET SESSION transaction_isolation = 'SERIALIZABLE';
connection con1;
SET SESSION transaction_isolation = 'SERIALIZABLE';
# Testing WHERE on keys using # on even rows
connection con0;
START TRANSACTION;
SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE;
a	b
2	12
4	12
6	12
8	12
16	14
18	14
20	14
22	14
24	14
UPDATE t1 SET b = 15 WHERE a % 2 = 0;
connection con1;
START TRANSACTION;
SELECT * FROM t1;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
INSERT INTO t1 VALUES(15, 15);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
INSERT INTO t1 VALUES(17, 17);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SELECT * FROM t1;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
COMMIT;
connection con0;
COMMIT;
# Session data integrity check & GLOBAL Value check
SET GLOBAL transaction_isolation = 'READ-UNCOMMITTED';
connect  con_int1,localhost,root,,;
connection con_int1;
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
READ-UNCOMMITTED
READ-UNCOMMITTED Expected
SET SESSION transaction_isolation = 'SERIALIZABLE';
connect  con_int2,localhost,root,,;
connection con_int2;
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
READ-UNCOMMITTED
READ-UNCOMMITTED Expected
SET SESSION transaction_isolation = 'REPEATABLE-READ';
connection con_int2;
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
REPEATABLE-READ
REPEATABLE-READ Expected
connection con_int1;
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
SERIALIZABLE
SERIALIZABLE Expected
SELECT @@GLOBAL.transaction_isolation;
@@GLOBAL.transaction_isolation
READ-UNCOMMITTED
READ-UNCOMMITTED Expected
connection default;
disconnect con_int1;
disconnect con_int2;
# Cleanup
SET @@SESSION.transaction_isolation = @session_transaction_isolation;
SET @@GLOBAL.transaction_isolation = @global_transaction_isolation;
connection default;
disconnect con0;
disconnect con1;
DROP TABLE t1;

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