You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-11-03 17:13:17 +03:00
64f1d541d0
feat(charset)!: utf8 is a new charset default and utf8_general_ci is a new collation default in the engine configuration file shipped --------- Co-authored-by: Leonid Fedorov <leonid.fedorov@mariadb.com> Co-authored-by: mariadb-DanielLee <daniel.lee@mariadb.com>
66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
DROP DATABASE IF EXISTS mcs178_db;
|
|
CREATE DATABASE mcs178_db;
|
|
USE mcs178_db;
|
|
SET default_storage_engine=Columnstore;
|
|
CREATE TABLE t1 (a CHAR(1), b INT, c DATETIME, d DOUBLE);
|
|
INSERT INTO t1 VALUES ('', NULL, '0-0-0', NULL),('a', 12, '1212-12-12', 1.19691E+100),('b', 13, '1313-3-13 13:13:13', 2.1961E+18),('c', 14, '1414-4-14', 0.16191),('d', 15, '2015-5-15 15:15:15', 1.971917);
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` char(1) DEFAULT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` datetime DEFAULT NULL,
|
|
`d` double DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT ADDDATE('2020-02-02 22:22:22', 1);
|
|
ADDDATE('2020-02-02 22:22:22', 1)
|
|
2020-02-03 22:22:22
|
|
SELECT ADDDATE('2020-02-02 22:22:22', INTERVAL 1 DAY);
|
|
ADDDATE('2020-02-02 22:22:22', INTERVAL 1 DAY)
|
|
2020-02-03 22:22:22
|
|
SELECT ADDDATE('2020-02-02 22:22:22', INTERVAL 1 HOUR);
|
|
ADDDATE('2020-02-02 22:22:22', INTERVAL 1 HOUR)
|
|
2020-02-02 23:22:22
|
|
SELECT ADDDATE('2020-02-02 22:22:22', INTERVAL 1 MINUTE);
|
|
ADDDATE('2020-02-02 22:22:22', INTERVAL 1 MINUTE)
|
|
2020-02-02 22:23:22
|
|
SELECT ADDDATE('2020-02-02 22:22:22', INTERVAL -1 SECOND);
|
|
ADDDATE('2020-02-02 22:22:22', INTERVAL -1 SECOND)
|
|
2020-02-02 22:22:21
|
|
SELECT c, ADDDATE(c, 1) FROM t1;
|
|
c ADDDATE(c, 1)
|
|
0000-00-00 00:00:00 NULL
|
|
1212-12-12 00:00:00 1212-12-13 00:00:00
|
|
1313-03-13 13:13:13 1313-03-14 13:13:13
|
|
1414-04-14 00:00:00 1414-04-15 00:00:00
|
|
2015-05-15 15:15:15 2015-05-16 15:15:15
|
|
SELECT c, ADDDATE(c, -2) FROM t1;
|
|
c ADDDATE(c, -2)
|
|
0000-00-00 00:00:00 NULL
|
|
1212-12-12 00:00:00 1212-12-10 00:00:00
|
|
1313-03-13 13:13:13 1313-03-11 13:13:13
|
|
1414-04-14 00:00:00 1414-04-12 00:00:00
|
|
2015-05-15 15:15:15 2015-05-13 15:15:15
|
|
SELECT c, ADDDATE(c, INTERVAL -1 HOUR) FROM t1;
|
|
c ADDDATE(c, INTERVAL -1 HOUR)
|
|
0000-00-00 00:00:00 NULL
|
|
1212-12-12 00:00:00 1212-12-11 23:00:00
|
|
1313-03-13 13:13:13 1313-03-13 12:13:13
|
|
1414-04-14 00:00:00 1414-04-13 23:00:00
|
|
2015-05-15 15:15:15 2015-05-15 14:15:15
|
|
SELECT c, ADDDATE(c, INTERVAL 1 MINUTE) FROM t1;
|
|
c ADDDATE(c, INTERVAL 1 MINUTE)
|
|
0000-00-00 00:00:00 NULL
|
|
1212-12-12 00:00:00 1212-12-12 00:01:00
|
|
1313-03-13 13:13:13 1313-03-13 13:14:13
|
|
1414-04-14 00:00:00 1414-04-14 00:01:00
|
|
2015-05-15 15:15:15 2015-05-15 15:16:15
|
|
SELECT c, ADDDATE(c, INTERVAL 1 SECOND) FROM t1;
|
|
c ADDDATE(c, INTERVAL 1 SECOND)
|
|
0000-00-00 00:00:00 NULL
|
|
1212-12-12 00:00:00 1212-12-12 00:00:01
|
|
1313-03-13 13:13:13 1313-03-13 13:13:14
|
|
1414-04-14 00:00:00 1414-04-14 00:00:01
|
|
2015-05-15 15:15:15 2015-05-15 15:15:16
|
|
DROP DATABASE mcs178_db;
|