DROP TABLE IF EXISTS t1;
CREATE TABLE t1(c1 DATE NOT NULL, c2 DATE NULL, c3 DATE NULL, PRIMARY KEY(c1), UNIQUE(c2));
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),ADDTIME(NOW(),'4 04:01:01'),NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'1 01:01:01'),ADDTIME(NOW(),'3 03:01:01'),NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'3 03:01:01'),ADDTIME(NOW(),'1 01:01:01'),NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'4 04:01:01'),NOW(),NOW());
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),NOW(),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
Warnings:
Note	1265	Data truncated for column 'c1' at row 1
Note	1265	Data truncated for column 'c2' at row 1
Note	1265	Data truncated for column 'c3' at row 1
Note	1265	Data truncated for column 'c3' at row 1
SELECT * FROM t1;
c1	c2	c3
2007-02-13	2007-02-17	2007-02-19
2007-02-14	2007-02-16	2007-02-13
2007-02-15	2007-02-15	2007-02-19
2007-02-16	2007-02-14	2007-02-13
2007-02-17	2007-02-13	2007-02-13
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR NULL, c3 YEAR NULL, PRIMARY KEY(c1), UNIQUE(c2));
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2004,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2001,2003,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2003,2001,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2004,2000,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000) ON DUPLICATE KEY UPDATE c3=2011;
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2000,2000) ON DUPLICATE KEY UPDATE c3=2011;
SELECT * FROM t1;
c1	c2	c3
2000	2004	2011
2001	2003	2000
2002	2002	2011
2003	2001	2000
2004	2000	2000
DROP TABLE t1;
CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 TIME NULL, PRIMARY KEY(c1), UNIQUE(c2));
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),ADDTIME(NOW(),'4 04:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'1 01:01:01'),ADDTIME(NOW(),'3 03:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'3 03:01:01'),ADDTIME(NOW(),'1 01:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'4 04:01:01'),NOW(),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),NOW(),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
SELECT * FROM t1;
c1	c2	c3
09:09:33	13:10:34	15:10:34
10:10:34	12:10:34	09:09:33
11:10:34	11:10:34	15:10:34
12:10:34	10:10:34	09:09:33
13:10:34	09:09:33	09:09:33
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR NULL, c3 YEAR NULL, PRIMARY KEY(c1), UNIQUE(c2));
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2004,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2001,2003,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2003,2001,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2004,2000,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000) ON DUPLICATE KEY UPDATE c3=2011;
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2000,2000) ON DUPLICATE KEY UPDATE c3=2011;
SELECT * FROM t1;
c1	c2	c3
2000	2004	2011
2001	2003	2000
2002	2002	2011
2003	2001	2000
2004	2000	2000
DROP TABLE t1;
CREATE TABLE t1(c1 DATETIME NOT NULL, c2 DATETIME NULL, c3 DATETIME NULL, PRIMARY KEY(c1), UNIQUE(c2));
SET TIMESTAMP=1171346973;
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),ADDTIME(NOW(),'4 04:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'1 01:01:01'),ADDTIME(NOW(),'3 03:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'3 03:01:01'),ADDTIME(NOW(),'1 01:01:01'),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'4 04:01:01'),NOW(),NOW());
INSERT INTO t1 (c1,c2,c3) VALUES(ADDTIME(NOW(),'2 02:01:01'),ADDTIME(NOW(),'2 02:01:01'),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
INSERT INTO t1 (c1,c2,c3) VALUES(NOW(),NOW(),NOW()) ON DUPLICATE KEY UPDATE c3=ADDTIME(NOW(),'6 06:01:01');
SELECT * FROM t1;
c1	c2	c3
2007-02-13 09:09:33	2007-02-17 13:10:34	2007-02-19 15:10:34
2007-02-14 10:10:34	2007-02-16 12:10:34	2007-02-13 09:09:33
2007-02-15 11:10:34	2007-02-15 11:10:34	2007-02-19 15:10:34
2007-02-16 12:10:34	2007-02-14 10:10:34	2007-02-13 09:09:33
2007-02-17 13:10:34	2007-02-13 09:09:33	2007-02-13 09:09:33
DROP TABLE t1;
CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR NULL, c3 YEAR NULL, PRIMARY KEY(c1), UNIQUE(c2));
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2004,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2001,2003,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2003,2001,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2004,2000,2000);
INSERT INTO t1 (c1,c2,c3) VALUES(2002,2002,2000) ON DUPLICATE KEY UPDATE c3=2011;
INSERT INTO t1 (c1,c2,c3) VALUES(2000,2000,2000) ON DUPLICATE KEY UPDATE c3=2011;
SELECT * FROM t1;
c1	c2	c3
2000	2004	2011
2001	2003	2000
2002	2002	2011
2003	2001	2000
2004	2000	2000
DROP TABLE t1;