DROP DATABASE IF EXISTS mcs275_db;
CREATE DATABASE mcs275_db;
USE mcs275_db;
CREATE TABLE t1
(
t1_DATE DATE,
t1_TIME TIME,
t1_DATETIME DATETIME
)ENGINE=Columnstore;
INSERT INTO t1 VALUES('2011-08-27', '22:12:02', '1997-12-12 22:12:02');
INSERT INTO t1 VALUES('2020-02-19', '23:59:59', '2001-1-1 23:59:59.65');
INSERT INTO t1 VALUES('1991-05-30', '01:37:50.871', '09-12-11 01:08:59');
SELECT TIMEDIFF('2011-3-3 1:12:22', '2011-3-4 3:12:11') FROM t1 LIMIT 1;
TIMEDIFF('2011-3-3 1:12:22', '2011-3-4 3:12:11')
-25:59:49
SELECT TIMEDIFF('20:28:30', '11:22:33.4455') FROM t1 LIMIT 1;
TIMEDIFF('20:28:30', '11:22:33.4455')
09:05:56.5545
SELECT t1_DATE, TIMEDIFF(t1_DATE, '2008-02-19 22:22:22') FROM t1 ORDER BY 1;
t1_DATE	TIMEDIFF(t1_DATE, '2008-02-19 22:22:22')
1991-05-30	NULL
2011-08-27	NULL
2020-02-19	NULL
SELECT t1_DATE, TIMEDIFF(t1_DATE, '22:22:22') FROM t1 ORDER BY 1;
t1_DATE	TIMEDIFF(t1_DATE, '22:22:22')
1991-05-30	NULL
2011-08-27	NULL
2020-02-19	NULL
SELECT t1_TIME, TIMEDIFF(t1_TIME, '2008-02-19 22:22:22') FROM t1 ORDER BY 1;
t1_TIME	TIMEDIFF(t1_TIME, '2008-02-19 22:22:22')
01:37:50	NULL
22:12:02	NULL
23:59:59	NULL
SELECT t1_TIME, TIMEDIFF(t1_TIME, '23:59:59') FROM t1 ORDER BY 1;
t1_TIME	TIMEDIFF(t1_TIME, '23:59:59')
01:37:50	-22:22:09
22:12:02	-01:47:57
23:59:59	00:00:00
SELECT t1_DATETIME, TIMEDIFF(t1_DATETIME, '2001-02-19 22:22:22') FROM t1 ORDER BY 1;
t1_DATETIME	TIMEDIFF(t1_DATETIME, '2001-02-19 22:22:22')
1997-12-12 22:12:02	-838:59:59
2001-01-01 23:59:59	-838:59:59
2009-12-11 01:08:59	838:59:59
SELECT t1_DATETIME, TIMEDIFF(t1_DATETIME, '22:22:22') FROM t1 ORDER BY 1;
t1_DATETIME	TIMEDIFF(t1_DATETIME, '22:22:22')
1997-12-12 22:12:02	NULL
2001-01-01 23:59:59	NULL
2009-12-11 01:08:59	NULL
DROP DATABASE mcs275_db;