DROP TABLE IF EXISTS t1;
CREATE TABLE t1(c1 DATE NOT NULL PRIMARY KEY);
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1) VALUES(NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01'));
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
INSERT INTO t1 (c1) VALUES(NOW()) ON DUPLICATE KEY UPDATE c1=ADDTIME(NOW(),'2 02:01:01');
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c1' at row 1
SELECT * FROM t1;
c1
2007-02-14
2007-02-15
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL PRIMARY KEY);
INSERT INTO t1 (c1) VALUES(1999);
INSERT INTO t1 (c1) VALUES(2000);
INSERT INTO t1 (c1) VALUES(1999) ON DUPLICATE KEY UPDATE c1=2011;
SELECT * FROM t1;
c1
2000
2011
DROP TABLE t1;
CREATE TABLE t1(c1 TIME NOT NULL PRIMARY KEY);
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1) VALUES(NOW());
INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01'));
INSERT INTO t1 (c1) VALUES(NOW()) ON DUPLICATE KEY UPDATE c1=ADDTIME(NOW(),'2 02:01:01');
SELECT * FROM t1;
c1
10:10:34
11:10:34
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL PRIMARY KEY);
INSERT INTO t1 (c1) VALUES(1999);
INSERT INTO t1 (c1) VALUES(2000);
INSERT INTO t1 (c1) VALUES(1999) ON DUPLICATE KEY UPDATE c1=2011;
SELECT * FROM t1;
c1
2000
2011
DROP TABLE t1;
CREATE TABLE t1(c1 DATETIME NOT NULL PRIMARY KEY);
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1) VALUES(NOW());
INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01'));
INSERT INTO t1 (c1) VALUES(NOW()) ON DUPLICATE KEY UPDATE c1=ADDTIME(NOW(),'2 02:01:01');
SELECT * FROM t1;
c1
2007-02-14 10:10:34
2007-02-15 11:10:34
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL PRIMARY KEY);
INSERT INTO t1 (c1) VALUES(1999);
INSERT INTO t1 (c1) VALUES(2000);
INSERT INTO t1 (c1) VALUES(1999) ON DUPLICATE KEY UPDATE c1=2011;
SELECT * FROM t1;
c1
2000
2011
DROP TABLE t1;
CREATE TABLE t1(c1 TIMESTAMP NOT NULL PRIMARY KEY);
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1) VALUES(NOW());
INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01'));
INSERT INTO t1 (c1) VALUES(NOW()) ON DUPLICATE KEY UPDATE c1=ADDTIME(NOW(),'2 02:01:01');
SELECT * FROM t1;
c1
2007-02-14 10:10:34
2007-02-15 11:10:34
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL PRIMARY KEY);
INSERT INTO t1 (c1) VALUES(1999);
INSERT INTO t1 (c1) VALUES(2000);
INSERT INTO t1 (c1) VALUES(1999) ON DUPLICATE KEY UPDATE c1=2011;
SELECT * FROM t1;
c1
2000
2011
DROP TABLE t1;