File: innodb_rollback_segments_action.inc

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (40 lines) | stat: -rw-r--r-- 861 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
29
30
31
32
33
34
35
36
37
38
39
40
 
#
# test loading of table with different action that
# cause commit/rollback/purge (mainly involving undo-logs)
#
delimiter |;
create procedure populate_t1()
begin
	declare i int default 1;
	while (i <= 2000) DO
		insert into t1 values (i, 'a', 'b');
		set i = i + 1;
	end while;
end|
delimiter ;|
begin;
call populate_t1();
commit;
select count(*) from t1;
begin;
call populate_t1();
rollback;
select count(*) from t1;
truncate table t1;
select count(*) from t1;
begin;
call populate_t1();
commit;
select count(*) from t1;
# purge should kick-in after delete.
delete from t1 where a < 500;
select count(*) from t1;
update t1 set b = 'innodb' where b = 'a';
update t1 set c = 'mysql' where c = 'b' and a < 1000;
begin;
update t1 set c = 'sqldb' where c = 'mysql' and a < 1000;
select count(*) from t1 where c = 'sqldb';
rollback;
#
drop procedure populate_t1;