mirror of
https://github.com/MariaDB/server.git
synced 2025-05-28 13:01:41 +03:00
0806592ac8
btr_insert_into_right_sibling(): Inherit any gap lock from the left sibling to the right sibling before inserting the record to the right sibling and updating the node pointer(s). lock_update_node_pointer(): Update locks in case a node pointer will move. Based on mysql/mysql-server@c7d93c274f
28 lines
904 B
Plaintext
28 lines
904 B
Plaintext
SET @save_frequency=@@GLOBAL.innodb_purge_rseg_truncate_frequency;
|
|
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
|
|
CREATE TABLE t1(id INT PRIMARY key, val VARCHAR(16000)) ENGINE=InnoDB;
|
|
INSERT INTO t1 (id,val) SELECT 2*seq,'x' FROM seq_0_to_1023;
|
|
connect con1,localhost,root,,;
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
connection default;
|
|
DELETE FROM t1 WHERE id=1788;
|
|
BEGIN;
|
|
SELECT * FROM t1 WHERE id=1788 FOR UPDATE;
|
|
id val
|
|
connection con1;
|
|
COMMIT;
|
|
InnoDB 0 transactions not purged
|
|
connection default;
|
|
INSERT INTO t1 (id,val) VALUES (1787, REPEAT('x',2000));
|
|
connection con1;
|
|
SET innodb_lock_wait_timeout=0;
|
|
INSERT INTO t1 (id,val) VALUES (1788, 'x');
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
SELECT * FROM t1 WHERE id=1788 FOR UPDATE;
|
|
id val
|
|
disconnect con1;
|
|
connection default;
|
|
COMMIT;
|
|
DROP TABLE t1;
|
|
SET GLOBAL innodb_purge_rseg_truncate_frequency=@save_frequency;
|