| Server IP : 49.212.180.16 / Your IP : 18.227.0.98 Web Server : Apache System : FreeBSD www2606.sakura.ne.jp 13.0-RELEASE-p14 FreeBSD 13.0-RELEASE-p14 #2: Mon Dec 9 13:54:55 JST 2024 root@www5301.sakura.ne.jp:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 User : utannto ( 1076) PHP Version : 7.4.33 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : OFF | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /home/rs/mysql/5.1/mysql-test/r/ |
Upload File : |
DROP TABLE IF EXISTS t1;
show variables like "system_time_zone";
Variable_name Value
system_time_zone MET
select @a:=FROM_UNIXTIME(1);
@a:=FROM_UNIXTIME(1)
1970-01-01 01:00:01
select unix_timestamp(@a);
unix_timestamp(@a)
1
CREATE TABLE t1 (ts int);
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 03:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 02:59:59'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 03:00:00'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 03:59:59'));
INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 04:00:01'));
SELECT ts,from_unixtime(ts) FROM t1;
ts from_unixtime(ts)
1035673200 2002-10-27 01:00:00
1035680400 2002-10-27 02:00:00
1035684000 2002-10-27 03:00:00
1035680400 2002-10-27 02:00:00
1035673200 2002-10-27 01:00:00
1035680400 2002-10-27 02:00:00
1048986000 2003-03-30 03:00:00
1048986000 2003-03-30 03:00:00
1048989599 2003-03-30 03:59:59
1048989601 2003-03-30 04:00:01
DROP TABLE t1;
CREATE TABLE t1 (ts timestamp);
INSERT INTO t1 (ts) VALUES ('2003-03-30 01:59:59'),
('2003-03-30 02:59:59'),
('2003-03-30 03:00:00');
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'ts' at row 2
DROP TABLE t1;
select unix_timestamp('1970-01-01 01:00:00'),
unix_timestamp('1970-01-01 01:00:01'),
unix_timestamp('2038-01-19 04:14:07'),
unix_timestamp('2038-01-19 04:14:08');
unix_timestamp('1970-01-01 01:00:00') unix_timestamp('1970-01-01 01:00:01') unix_timestamp('2038-01-19 04:14:07') unix_timestamp('2038-01-19 04:14:08')
0 1 2147483647 0