35 lines
890 B
Plaintext
35 lines
890 B
Plaintext
#
|
|
# Bug#25966845 INSERT ON DUPLICATE KEY GENERATE A DEADLOCK
|
|
#
|
|
CREATE TABLE t1(f1 int primary key,
|
|
f2 int, f3 int, unique key(f2))engine=innodb;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`f1` int(11) NOT NULL,
|
|
`f2` int(11) DEFAULT NULL,
|
|
`f3` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`f1`),
|
|
UNIQUE KEY `f2` (`f2`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
INSERT INTO t1(f1, f2, f3) VALUES(1, 10, 100);
|
|
# Connection default
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(2, 20, 300) ON DUPLICATE KEY UPDATE f3 = 500;
|
|
# Connection other:
|
|
BEGIN;
|
|
SET DEBUG_SYNC = 'ib_after_row_insert_step SIGNAL default_commit';
|
|
INSERT INTO t1 VALUES(2, 10, 200) ON DUPLICATE KEY UPDATE f3 = 120;
|
|
# Connection default
|
|
SET DEBUG_SYNC = 'now WAIT_FOR default_commit';
|
|
COMMIT;
|
|
# Connection other
|
|
COMMIT;
|
|
# Verify Results:
|
|
SELECT * FROM t1;
|
|
f1 f2 f3
|
|
1 10 100
|
|
2 20 120
|
|
SET DEBUG_SYNC ='RESET';
|
|
DROP TABLE t1;
|