blob: 534914e021681917260166305777d13ea737d7a3 (
plain)
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
47
48
49
50
51
52
53
|
#
# Test that INFORMATION_SCHEMA.TABLES.UPDATE_TIME is filled
# correctly for InnoDB tables.
#
CREATE TABLE t (a INT) ENGINE=INNODB;
SELECT update_time FROM information_schema.tables WHERE table_name = 't';
update_time
NULL
INSERT INTO t VALUES (1);
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL;
COUNT(*)
1
# We cant deterministically check that the saved value is correct, but
# at least we check that it is a timestamp not older than 2 minutes.
# Usually update_time and NOW() are equal below, but on heavily loaded
# machines NOW() could be younger.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND TIMESTAMPDIFF(SECOND, update_time, NOW()) < 120;
COUNT(*)
1
CREATE TEMPORARY TABLE big (a TEXT) ENGINE=INNODB;
SELECT COUNT(*) FROM information_schema.innodb_buffer_page
WHERE table_name = '`test`.`t`';
COUNT(*)
1
INSERT INTO big SELECT REPEAT('a', 1024) FROM seq_1_to_10240;
SELECT COUNT(*) FROM information_schema.innodb_buffer_page
WHERE table_name = '`test`.`t`';
COUNT(*)
0
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL;
COUNT(*)
1
DROP TEMPORARY TABLE big;
# Test the behavior after restart with a prepared XA transaction
XA START 'xatrx';
INSERT INTO t VALUES (5);
XA END 'xatrx';
XA PREPARE 'xatrx';
CONNECT con1,localhost,root,,;
call mtr.add_suppression("Found 1 prepared XA transactions");
FLUSH TABLES;
# restart
SELECT update_time FROM information_schema.tables WHERE table_name = 't';
update_time
NULL
XA COMMIT 'xatrx';
SELECT COUNT(update_time) FROM information_schema.tables WHERE table_name='t';
COUNT(update_time)
1
DROP TABLE t;
|