File: gap_lock_split.result

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (28 lines) | stat: -rw-r--r-- 938 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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,,;
InnoDB		0 transactions not purged
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;