DROP DATABASE IF EXISTS mcs283_db;
CREATE DATABASE mcs283_db;
USE mcs283_db;
CREATE TABLE t1
(
t1_DATE DATE,
t1_TIMESTAMP TIMESTAMP,
t1_DATETIME DATETIME
)ENGINE=Columnstore;
INSERT INTO t1 VALUES('1991-05-30', '1999-10-28 01:00:50', '2020-12-11 01:08:59');
INSERT INTO t1 VALUES('2991-10-13', '1972-11-22 11:19:52', '1987-01-01 05:28:37');
SELECT LAST_DAY('2020-02-21') FROM t1 LIMIT 1;
LAST_DAY('2020-02-21')
2020-02-29
SELECT LAST_DAY('11:12:13') FROM t1 LIMIT 1;
LAST_DAY('11:12:13')
2011-12-31
SELECT LAST_DAY('2020/02/11 11:12:13') FROM t1 LIMIT 1;
LAST_DAY('2020/02/11 11:12:13')
2020-02-29
SELECT t1_DATE, LAST_DAY(t1_DATE) FROM t1 ORDER BY 1;
t1_DATE	LAST_DAY(t1_DATE)
1991-05-30	1991-05-31
2991-10-13	2991-10-31
SELECT t1_DATETIME, LAST_DAY(t1_DATETIME) FROM t1 ORDER BY 1;
t1_DATETIME	LAST_DAY(t1_DATETIME)
1987-01-01 05:28:37	1987-01-31
2020-12-11 01:08:59	2020-12-31
SELECT t1_TIMESTAMP, LAST_DAY(t1_TIMESTAMP) FROM t1 ORDER BY 1;
t1_TIMESTAMP	LAST_DAY(t1_TIMESTAMP)
1972-11-22 11:19:52	1972-11-30
1999-10-28 01:00:50	1999-10-31
DROP DATABASE mcs283_db;