mariadb/mysql-test/suite/innodb/t/update_time.test

###################################################################
-- echo #
-- echo # Test that INFORMATION_SCHEMA.TABLES.UPDATE_TIME is filled
-- echo # correctly for InnoDB tables.
-- echo #

-- source include/have_innodb.inc
-- source include/have_innodb_max_16k.inc
# restart does not work with embedded
-- source include/not_embedded.inc
# This test is slow on buildbot.
--source include/big_test.inc

CREATE TABLE t (a INT) ENGINE=INNODB;

SELECT update_time FROM information_schema.tables WHERE table_name = 't';

INSERT INTO t VALUES (1);

SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL;

-- echo # We cant deterministically check that the saved value is correct, but
-- echo # at least we check that it is a timestamp not older than 2 minutes.
-- echo # Usually update_time and NOW() are equal below, but on heavily loaded
-- echo # machines NOW() could be younger.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND TIMESTAMPDIFF(SECOND, update_time, NOW()) < 120;

CREATE TEMPORARY TABLE big (a TEXT) ENGINE=INNODB;

SELECT COUNT(*) FROM information_schema.innodb_buffer_page
WHERE table_name = '`test`.`t`';

# evict table 't' by inserting as much data as the BP size itself
-- echo # INSERT lots of data in table 'big': begin
-- disable_query_log
BEGIN;
-- let $i = 10240
while ($i)
{
	INSERT INTO big VALUES (REPEAT('a', 1024));
	dec $i;
}
COMMIT;
-- enable_query_log
-- echo # INSERT lots of data in table 'big': end

# confirm that all pages for table 't' have been evicted
SELECT COUNT(*) FROM information_schema.innodb_buffer_page
WHERE table_name = '`test`.`t`';

# The result from this query will change once update_time becomes persistent
# (WL#6917).
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL;

DROP TEMPORARY TABLE big;

-- echo # 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;

--let $shutdown_timeout=0
--source include/restart_mysqld.inc

SELECT update_time FROM information_schema.tables WHERE table_name = 't';

XA COMMIT 'xatrx';

SELECT COUNT(update_time) FROM information_schema.tables WHERE table_name='t';

DROP TABLE t;