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

-- source include/have_innodb_max_16k.inc

CREATE TABLE t (a INT) ENGINE=INNODB;

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

INSERT INTO t VALUES (1);

ANALYZE TABLE t;
# Remove workaround of "OR FALSE" from the end of WHERE clause after fix
# of Bug#26389402 for I_S views definitions.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL OR FALSE;

-- 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.
# Remove workaround of "OR FALSE" from the end of WHERE clause after fix
# of Bug#26389402 for I_S views definitions.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND TIMESTAMPDIFF(SECOND, update_time, NOW()) < 120 OR FALSE;

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

-- source suite/innodb/include/evict_everything_from_buffer_pool.inc

# confirm that table 't' has 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).
ANALYZE TABLE t;
# Remove workaround of "OR FALSE" from the end of WHERE clause after fix
# of Bug#26389402 for I_S views definitions.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL OR FALSE;

-- 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,,);
CONNECTION con1;

call mtr.add_suppression("Found 1 prepared XA transactions");

--source include/kill_and_restart_mysqld.inc

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

XA COMMIT 'xatrx';

# Table reset after XA commit, so update time should be NULL
ANALYZE TABLE t;
# Remove workaround of "OR FALSE" from the end of WHERE clause after fix
# of Bug#26389402 for I_S views definitions.
SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
AND update_time IS NOT NULL OR FALSE;

DROP TABLE t;