drop table if exists t1;
create table t1 (i int, c varchar(20));
insert into t1 values
(unix_timestamp("2004-01-01 00:00:00"), "2004-01-01 00:00:00");
insert into t1 values
(unix_timestamp("2004-03-28 01:59:59"), "2004-03-28 01:59:59"),
(unix_timestamp("2004-03-28 02:30:00"), "2004-03-28 02:30:00"),
(unix_timestamp("2004-03-28 03:00:00"), "2004-03-28 03:00:00");
insert into t1 values
(unix_timestamp('2004-05-01 00:00:00'),'2004-05-01 00:00:00');
insert into t1 values
(unix_timestamp('2004-10-31 01:00:00'),'2004-10-31 01:00:00'),
(unix_timestamp('2004-10-31 02:00:00'),'2004-10-31 02:00:00'),
(unix_timestamp('2004-10-31 02:59:59'),'2004-10-31 02:59:59'),
(unix_timestamp('2004-10-31 04:00:00'),'2004-10-31 04:00:00'),
(unix_timestamp('2004-10-31 02:59:59'),'2004-10-31 02:59:59');
insert into t1 values
(unix_timestamp('1981-07-01 03:59:59'),'1981-07-01 03:59:59'),
(unix_timestamp('1981-07-01 04:00:00'),'1981-07-01 04:00:00');
select i, from_unixtime(i), c from t1;
i	from_unixtime(i)	c
1072904422	2004-01-01 00:00:00	2004-01-01 00:00:00
1080428421	2004-03-28 01:59:59	2004-03-28 01:59:59
1080428422	2004-03-28 03:00:00	2004-03-28 02:30:00
1080428422	2004-03-28 03:00:00	2004-03-28 03:00:00
1083355222	2004-05-01 00:00:00	2004-05-01 00:00:00
1099170022	2004-10-31 01:00:00	2004-10-31 01:00:00
1099177222	2004-10-31 02:00:00	2004-10-31 02:00:00
1099180821	2004-10-31 02:59:59	2004-10-31 02:59:59
1099184422	2004-10-31 04:00:00	2004-10-31 04:00:00
1099180821	2004-10-31 02:59:59	2004-10-31 02:59:59
362793608	1981-07-01 03:59:59	1981-07-01 03:59:59
362793610	1981-07-01 04:00:00	1981-07-01 04:00:00
drop table t1;
create table t1 (ts timestamp);
insert into t1 values (19730101235900), (20040101235900);
select * from t1;
ts
1973-01-01 23:59:00
2004-01-01 23:59:00
drop table t1;