File: alter_inplace_perfschema.test

package info (click to toggle)
mariadb 1%3A11.8.2-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 765,428 kB
  • sloc: ansic: 2,382,827; cpp: 1,803,532; asm: 378,315; perl: 63,176; sh: 46,496; pascal: 40,776; java: 39,363; yacc: 20,428; python: 19,506; sql: 17,864; xml: 12,463; ruby: 8,544; makefile: 6,059; cs: 5,855; ada: 1,700; lex: 1,193; javascript: 1,039; objc: 80; tcl: 73; awk: 46; php: 22
file content (46 lines) | stat: -rw-r--r-- 1,340 bytes parent folder | download | duplicates (4)
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
--source include/have_innodb.inc
--source include/have_perfschema.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--source include/not_embedded.inc

--disable_cursor_protocol
select count_star into @init_count from performance_schema.events_waits_summary_global_by_event_name WHERE event_name LIKE '%wait%io%file%innodb%innodb_temp_file%';
--enable_cursor_protocol
connect (ddl, localhost, root,,);
update performance_schema.setup_instruments set enabled='yes';
update performance_schema.setup_consumers set enabled='yes';
CREATE TABLE t1 (a serial, b varchar(255)) ENGINE=InnoDB;

BEGIN;
let $n=247;
--disable_query_log
while ($n) {
dec $n;
INSERT INTO t1 SELECT NULL, REPEAT('b',255);
}
--enable_query_log
COMMIT;

SET DEBUG_SYNC = 'row_log_apply_before SIGNAL go WAIT_FOR gone';
send ALTER TABLE t1 ADD INDEX(b), ALGORITHM=INPLACE;

connection default;
SET DEBUG_SYNC = 'now WAIT_FOR go';

--disable_cursor_protocol
select count_star into @final_count from performance_schema.events_waits_summary_global_by_event_name WHERE event_name LIKE '%wait%io%file%innodb%innodb_temp_file%';
--enable_cursor_protocol

SELECT @final_count - @init_count;

#--exec lsof -p `pidof mysqld`
SET DEBUG_SYNC = 'now SIGNAL gone';

connection ddl;
reap;
disconnect ddl;

connection default;
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;