--disable_warnings DROP TABLE IF EXISTS t1,t2,t3; --enable_warnings CREATE TABLE t1(c1 DATE NOT NULL); SET TIMESTAMP=1171346973; # 2007-02-13 15:09:33 INSERT INTO t1 (c1) VALUES(NOW()); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'2 02:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'3 03:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'4 04:01:01')); --sorted_result SELECT * FROM t1 ORDER BY c1; UPDATE t1 SET c1 = NOW() WHERE c1 >= ADDTIME(NOW(),'2 02:01:01'); --sorted_result SELECT * FROM t1 ORDER BY c1; DROP TABLE t1; CREATE TABLE t1(c1 TIME NOT NULL); SET TIMESTAMP=1171346973; # 2007-02-13 15:09:33 INSERT INTO t1 (c1) VALUES(NOW()); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'2 02:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'3 03:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'4 04:01:01')); --sorted_result SELECT * FROM t1 ORDER BY c1; UPDATE t1 SET c1 = NOW() WHERE c1 >= ADDTIME(NOW(),'2 02:01:01'); --sorted_result SELECT * FROM t1 ORDER BY c1; DROP TABLE t1; CREATE TABLE t1(c1 DATETIME NOT NULL); SET TIMESTAMP=1171346973; # 2007-02-13 15:09:33 INSERT INTO t1 (c1) VALUES(NOW()); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'2 02:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'3 03:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'4 04:01:01')); --sorted_result SELECT * FROM t1 ORDER BY c1; UPDATE t1 SET c1 = NOW() WHERE c1 >= ADDTIME(NOW(),'2 02:01:01'); --sorted_result SELECT * FROM t1 ORDER BY c1; DROP TABLE t1; CREATE TABLE t1(c1 TIMESTAMP NOT NULL); SET TIMESTAMP=1171346973; # 2007-02-13 15:09:33 INSERT INTO t1 (c1) VALUES(NOW()); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'1 01:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'2 02:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'3 03:01:01')); INSERT INTO t1 (c1) VALUES(ADDTIME(NOW(),'4 04:01:01')); --sorted_result SELECT * FROM t1 ORDER BY c1; UPDATE t1 SET c1 = NOW() WHERE c1 >= ADDTIME(NOW(),'2 02:01:01'); --sorted_result SELECT * FROM t1 ORDER BY c1; DROP TABLE t1;