set storage_engine=innodb;
set @save_time_zone= @@time_zone;
set time_zone='+03:00';
set session debug_dbug="+d,optimizer_innodb_icp";
CREATE TABLE t1(c1 TIMESTAMP NOT NULL, c2 TIMESTAMP NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1), UNIQUE INDEX(c2));
INSERT INTO t1 VALUES('98-12-31 11:30:45','98.12.31 11+30+45','98-12-31 11:30:45','98.12.31 11+30+45'),('98/12/30 11*30*45','98@12@30 11^30^45','98/12/30 11*30*45','98@12@30 11^30^45'),('98-12-29','98.12.29','98-12-29','98.12.29'),('98/12/28','98@12@28','98/12/28','98@12@28');
Warnings:
Note	1265	Data truncated for column 'c3' at row 1
Note	1265	Data truncated for column 'c3' at row 2
INSERT INTO t1 VALUES('20070523091528','070523091528','20070524091528','070524091528'),('20070525','070525','20070526','070526');
Warnings:
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 VALUES(19830905132800,830905132800,19830906132800,830906132800),(19830907,830907,19830908,830908);
Warnings:
Note	1265	Data truncated for column 'c3' at row 1
SET TIMESTAMP=1233216687;
INSERT INTO t1 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE);
Warnings:
Note	1265	Data truncated for column 'c3' at row 1
INSERT INTO t1 VALUES('2008-01-01',NULL,'08-01-02','08/01/03');
INSERT INTO t1(c1,c2) VALUES('08/01/17',NULL);
DELETE FROM t1 WHERE c1='08/01/17' AND c2 IS NULL;
INSERT IGNORE INTO t1 VALUES('','','08-01-04','08/01/05') /* Inserts zero dates for '' strings */;
Warnings:
Warning	1265	Data truncated for column 'c1' at row 1
Warning	1265	Data truncated for column 'c2' at row 1
SELECT * FROM t1;
c1	c2	c3	c4
0000-00-00 00:00:00	0000-00-00 00:00:00	2008-01-04	2008-01-05 00:00:00
1983-09-05 13:28:00	1983-09-05 13:28:00	1983-09-06	1983-09-06 13:28:00
1983-09-07 00:00:00	1983-09-07 00:00:00	1983-09-08	1983-09-08 00:00:00
1998-12-28 00:00:00	1998-12-28 00:00:00	1998-12-28	1998-12-28 00:00:00
1998-12-29 00:00:00	1998-12-29 00:00:00	1998-12-29	1998-12-29 00:00:00
1998-12-30 11:30:45	1998-12-30 11:30:45	1998-12-30	1998-12-30 11:30:45
1998-12-31 11:30:45	1998-12-31 11:30:45	1998-12-31	1998-12-31 11:30:45
2007-05-23 09:15:28	2007-05-23 09:15:28	2007-05-24	2007-05-24 09:15:28
2007-05-25 00:00:00	2007-05-25 00:00:00	2007-05-26	2007-05-26 00:00:00
2008-01-01 00:00:00	NULL	2008-01-02	2008-01-03 00:00:00
2009-01-29 11:11:27	2009-01-29 00:00:00	2009-01-29	2009-01-29 00:00:00
INSERT IGNORE INTO t1(c1,c2) VALUES('20070525','20070527') /* doesnt throw error */;
Warnings:
Warning	1062	Duplicate entry '2007-05-25 00:00:00' for key 'PRIMARY'
INSERT IGNORE INTO t1(c1,c2) VALUES(19840905,830907) /* doesnt throw error */;
Warnings:
Warning	1062	Duplicate entry '1983-09-07 00:00:00' for key 'c2'
SELECT * FROM t1 WHERE c1='20070527' /* Returns no rows */;
c1	c2	c3	c4
INSERT INTO t1(c1) VALUES('20070525') ON DUPLICATE KEY UPDATE c1='20070527';
SELECT * FROM t1 WHERE c1='20070527' /* Returns 1 row with c1=2007-05-27 */;
c1	c2	c3	c4
2007-05-27 00:00:00	2007-05-25 00:00:00	2007-05-26	2007-05-26 00:00:00
SELECT * FROM t1 WHERE c1=19830909 AND c2=830910 /* Returns no rows */;
c1	c2	c3	c4
INSERT INTO t1(c1,c2) VALUES(19840905,830907) ON DUPLICATE KEY UPDATE c1=19830909,c2=830910;
SELECT * FROM t1 WHERE c1=19830909 AND c2=830910 /* Returns 1 row */;
c1	c2	c3	c4
1983-09-09 00:00:00	1983-09-10 00:00:00	1983-09-08	1983-09-08 00:00:00
INSERT INTO t1 SET c1='1999-01-01',c2='1999-01-01';
SELECT * FROM t1 WHERE c1='1999-01-01' AND c2='1999-01-01' /* Returns 1 row with values for other column as NULL */;
c1	c2	c3	c4
1999-01-01 00:00:00	1999-01-01 00:00:00	NULL	NULL
INSERT INTO t1 VALUES('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02'),('1990-01-01 00:00:01','2000-01-01 00:00:01','2009-01-03','2009-01-04'),('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06');
DELETE FROM t1 WHERE c1=NOW() /* because the row with current timestamp exists */;
INSERT INTO t1 VALUES(NULL,NOW(),NOW(),NOW());
Warnings:
Note	1265	Data truncated for column 'c3' at row 1
SELECT * FROM t1 WHERE c1 IS NULL /* returns no rows */;
c1	c2	c3	c4
SELECT * FROM t1 WHERE c1=NOW() /* returns 1 row */;
c1	c2	c3	c4
2009-01-29 11:11:27	2009-01-29 11:11:27	2009-01-29	2009-01-29 11:11:27
SELECT * FROM t1;
c1	c2	c3	c4
0000-00-00 00:00:00	0000-00-00 00:00:00	2008-01-04	2008-01-05 00:00:00
1971-01-01 00:00:01	1980-01-01 00:00:01	2009-01-01	2009-01-02 00:00:00
1983-09-05 13:28:00	1983-09-05 13:28:00	1983-09-06	1983-09-06 13:28:00
1983-09-09 00:00:00	1983-09-10 00:00:00	1983-09-08	1983-09-08 00:00:00
1990-01-01 00:00:01	2000-01-01 00:00:01	2009-01-03	2009-01-04 00:00:00
1998-12-28 00:00:00	1998-12-28 00:00:00	1998-12-28	1998-12-28 00:00:00
1998-12-29 00:00:00	1998-12-29 00:00:00	1998-12-29	1998-12-29 00:00:00
1998-12-30 11:30:45	1998-12-30 11:30:45	1998-12-30	1998-12-30 11:30:45
1998-12-31 11:30:45	1998-12-31 11:30:45	1998-12-31	1998-12-31 11:30:45
1999-01-01 00:00:00	1999-01-01 00:00:00	NULL	NULL
2007-05-23 09:15:28	2007-05-23 09:15:28	2007-05-24	2007-05-24 09:15:28
2007-05-27 00:00:00	2007-05-25 00:00:00	2007-05-26	2007-05-26 00:00:00
2008-01-01 00:00:00	NULL	2008-01-02	2008-01-03 00:00:00
2009-01-29 11:11:27	2009-01-29 11:11:27	2009-01-29	2009-01-29 11:11:27
2038-01-09 03:14:07	2038-01-09 03:14:07	2009-01-05	2009-01-06 00:00:00
SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2;
c1	c2	c3	c4
2038-01-09 03:14:07	2038-01-09 03:14:07	2009-01-05	2009-01-06 00:00:00
SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 LIMIT 2;
c1	c2	c3	c4
2038-01-09 03:14:07	2038-01-09 03:14:07	2009-01-05	2009-01-06 00:00:00
SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 DESC;
c1	c2	c3	c4
2038-01-09 03:14:07	2038-01-09 03:14:07	2009-01-05	2009-01-06 00:00:00
SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 DESC LIMIT 2;
c1	c2	c3	c4
2038-01-09 03:14:07	2038-01-09 03:14:07	2009-01-05	2009-01-06 00:00:00
DROP TABLE t1;
set time_zone= @save_time_zone;