mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 12:32:27 +01:00
30 lines
815 B
Text
30 lines
815 B
Text
CREATE TABLE t1(a INT, b INT NOT NULL, PRIMARY KEY (a)) ENGINE=innodb
|
|
DEFAULT CHARSET=latin1;
|
|
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7);
|
|
CONNECT con1,localhost,root,,;
|
|
CONNECT con2,localhost,root,,;
|
|
connection con1;
|
|
START TRANSACTION;
|
|
SELECT * FROM t1 WHERE b=3 LIMIT 1 FOR UPDATE;
|
|
a b
|
|
3 3
|
|
connection con2;
|
|
START TRANSACTION;
|
|
UPDATE t1 SET b=b+12 WHERE a > 2 ORDER BY a;
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
ROLLBACK;
|
|
connection con1;
|
|
START TRANSACTION;
|
|
SELECT * FROM t1 WHERE b=3 LIMIT 1 FOR UPDATE;
|
|
a b
|
|
3 3
|
|
connection con2;
|
|
START TRANSACTION;
|
|
UPDATE t1 SET b=10 WHERE a > 1 ORDER BY a;
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
SELECT * FROM t1 WHERE b = 10;
|
|
a b
|
|
connection default;
|
|
disconnect con1;
|
|
disconnect con2;
|
|
DROP TABLE t1;
|