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CREATE TABLE t1 (c1 INT , c2 CHAR(10), PRIMARY KEY (c1)) ENGINE = InnoDB; | |||
INSERT INTO t1 VALUES(0, "0"); | |||
INSERT INTO t1 VALUES(1, "1"); | |||
INSERT INTO t1 VALUES(2, "2"); | |||
INSERT INTO t1 VALUES(3, "3"); | |||
CREATE TABLE t2 (c1 INT , c2 CHAR(10), PRIMARY KEY (c1)) ENGINE = InnoDB; | |||
INSERT INTO t2 VALUES(0, "a"); | |||
INSERT INTO t2 VALUES(1, "b"); | |||
INSERT INTO t2 VALUES(2, "c"); | |||
INSERT INTO t2 VALUES(3, "d"); | |||
connect con1,localhost,root,,; | |||
connect con2,localhost,root,,; | |||
connection con1; | |||
'T1' | |||
SET AUTOCOMMIT=0; | |||
BEGIN; | |||
SELECT * FROM t2; | |||
c1 c2 | |||
0 a | |||
1 b | |||
2 c | |||
3 d | |||
connection default; | |||
'T2' | |||
SET AUTOCOMMIT=0; | |||
BEGIN; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
0 0 | |||
1 1 | |||
2 2 | |||
3 3 | |||
connection con2; | |||
'T3' | |||
SET AUTOCOMMIT=0; | |||
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; | |||
BEGIN; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
0 0 | |||
1 1 | |||
2 2 | |||
3 3 | |||
SELECT * FROM t2; | |||
c1 c2 | |||
0 a | |||
1 b | |||
2 c | |||
3 d | |||
connection con1; | |||
'T1' | |||
UPDATE t2 SET c1 = c1 + 100; | |||
SELECT * FROM t2; | |||
c1 c2 | |||
100 a | |||
101 b | |||
102 c | |||
103 d | |||
COMMIT; | |||
connection default; | |||
'T2' | |||
UPDATE t1 SET c1 = c1 + 100; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
100 0 | |||
101 1 | |||
102 2 | |||
103 3 | |||
COMMIT; | |||
connection con2; | |||
'T3' | |||
SET DEBUG_SYNC='row_search_for_mysql_before_return WAIT_FOR waiting1'; | |||
SELECT * FROM t1;; | |||
connection default; | |||
'T2' | |||
SET DEBUG_SYNC='now SIGNAL waiting1'; | |||
'Signalled T3' | |||
connection con2; | |||
'T3' | |||
c1 c2 | |||
0 0 | |||
1 1 | |||
2 2 | |||
3 3 | |||
connection con2; | |||
'T3' | |||
SET DEBUG_SYNC='row_search_for_mysql_before_return WAIT_FOR waiting1'; | |||
SELECT * FROM t2;; | |||
connection default; | |||
'T2' | |||
SET DEBUG_SYNC='now SIGNAL waiting1'; | |||
'Signalled T3' | |||
connection con2; | |||
'T3' | |||
c1 c2 | |||
0 a | |||
1 b | |||
2 c | |||
3 d | |||
connection default; | |||
disconnect con1; | |||
disconnect con2; | |||
connect con1,localhost,root,,; | |||
connect con2,localhost,root,,; | |||
connection con1; | |||
'T1' | |||
SET AUTOCOMMIT=0; | |||
BEGIN; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
100 0 | |||
101 1 | |||
102 2 | |||
103 3 | |||
connection default; | |||
'T2' | |||
SET AUTOCOMMIT=0; | |||
BEGIN; | |||
SELECT * FROM t2; | |||
c1 c2 | |||
100 a | |||
101 b | |||
102 c | |||
103 d | |||
UPDATE t2 SET c1 = c1 + 100; | |||
SELECT * FROM t2; | |||
c1 c2 | |||
200 a | |||
201 b | |||
202 c | |||
203 d | |||
COMMIT; | |||
connection con2; | |||
'T3' | |||
SET AUTOCOMMIT=0; | |||
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; | |||
BEGIN; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
100 0 | |||
101 1 | |||
102 2 | |||
103 3 | |||
SELECT * FROM t2; | |||
c1 c2 | |||
200 a | |||
201 b | |||
202 c | |||
203 d | |||
connection con1; | |||
'T1' | |||
UPDATE t1 SET c1 = c1 + 100; | |||
SELECT * FROM t1; | |||
c1 c2 | |||
200 0 | |||
201 1 | |||
202 2 | |||
203 3 | |||
COMMIT; | |||
connection con2; | |||
'T3' | |||
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1'; | |||
SELECT * FROM t1;; | |||
connection con1; | |||
'T2' | |||
SET DEBUG_SYNC='now SIGNAL waiting1'; | |||
'Signalled T3' | |||
connection con2; | |||
'T3' | |||
c1 c2 | |||
100 0 | |||
101 1 | |||
102 2 | |||
103 3 | |||
connection con2; | |||
'T3' | |||
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1'; | |||
SELECT * FROM t2;; | |||
connection default; | |||
'T2' | |||
SET DEBUG_SYNC='now SIGNAL waiting1'; | |||
'Signalled T3' | |||
connection con2; | |||
'T3' | |||
c1 c2 | |||
200 a | |||
201 b | |||
202 c | |||
203 d | |||
connection default; | |||
disconnect con1; | |||
disconnect con2; | |||
DROP TABLE t1; | |||
DROP TABLE t2; | |||
# | |||
# Bug 21433768: NON-REPEATABLE READ WITH REPEATABLE READ ISOLATION | |||
# | |||
connect con1,localhost,root,,; | |||
# connection con1 | |||
CREATE TABLE t1(col1 INT PRIMARY KEY, col2 INT) ENGINE = InnoDB; | |||
INSERT INTO t1 values (1, 0), (2, 0); | |||
SELECT * FROM t1 ORDER BY col1; | |||
col1 col2 | |||
1 0 | |||
2 0 | |||
START TRANSACTION; | |||
UPDATE t1 SET col2 = 100; | |||
SET DEBUG_SYNC = 'after_trx_committed_in_memory SIGNAL s1 WAIT_FOR s2'; | |||
COMMIT;; | |||
connection default; | |||
# connection default | |||
SET DEBUG_SYNC = 'now WAIT_FOR s1'; | |||
UPDATE t1 SET col2 = col2 + 10 where col1 = 1; | |||
COMMIT; | |||
SELECT * FROM t1 ORDER BY col1; | |||
col1 col2 | |||
1 110 | |||
2 100 | |||
SET DEBUG_SYNC = 'now SIGNAL s2'; | |||
connection con1; | |||
# connection con1 | |||
# reap COMMIT for con1 | |||
connection default; | |||
# connection default | |||
disconnect con1; | |||
DROP TABLE t1; | |||
SET DEBUG_SYNC= 'RESET'; |
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