mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-21 19:45:56 +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>
70 lines
2.5 KiB
Plaintext
70 lines
2.5 KiB
Plaintext
DROP DATABASE IF EXISTS mcs179_db;
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CREATE DATABASE mcs179_db;
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USE mcs179_db;
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SET default_storage_engine=Columnstore;
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CREATE TABLE t1 (a CHAR(1), b INT, c DATETIME, d DOUBLE);
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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);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` char(1) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` datetime DEFAULT NULL,
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`d` double DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
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SELECT ADDTIME('2020-02-02 22:22:22', '2 1:1:1');
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ADDTIME('2020-02-02 22:22:22', '2 1:1:1')
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2020-02-04 23:23:23
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SELECT ADDTIME('2020-02-02 22:22:22', '2:2:2.1111');
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ADDTIME('2020-02-02 22:22:22', '2:2:2.1111')
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2020-02-03 00:24:24.111100
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SELECT ADDTIME('2020-02-02 22:22:22', '-2:2:2');
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ADDTIME('2020-02-02 22:22:22', '-2:2:2')
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2020-02-02 20:20:20
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SELECT ADDTIME('22:22:22', '03:11:22');
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ADDTIME('22:22:22', '03:11:22')
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25:33:44
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SELECT c, ADDTIME(c, '1 3:3:3') FROM t1;
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c ADDTIME(c, '1 3:3:3')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-13 03:03:03
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1313-03-13 13:13:13 1313-03-14 16:16:16
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1414-04-14 00:00:00 1414-04-15 03:03:03
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2015-05-15 15:15:15 2015-05-16 18:18:18
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SELECT c, ADDTIME(c, '-2 1:1:1') FROM t1;
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c ADDTIME(c, '-2 1:1:1')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-09 22:58:59
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1313-03-13 13:13:13 1313-03-11 12:12:12
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1414-04-14 00:00:00 1414-04-11 22:58:59
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2015-05-15 15:15:15 2015-05-13 14:14:14
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SELECT c, ADDTIME(c, '100:11:12') FROM t1;
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c ADDTIME(c, '100:11:12')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-16 04:11:12
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1313-03-13 13:13:13 1313-03-17 17:24:25
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1414-04-14 00:00:00 1414-04-18 04:11:12
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2015-05-15 15:15:15 2015-05-19 19:26:27
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SELECT c, ADDTIME(c, '-100:11:12') FROM t1;
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c ADDTIME(c, '-100:11:12')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-07 19:48:48
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1313-03-13 13:13:13 1313-03-09 09:02:01
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1414-04-14 00:00:00 1414-04-09 19:48:48
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2015-05-15 15:15:15 2015-05-11 11:04:03
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SELECT c, ADDTIME(c, '100:11') FROM t1;
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c ADDTIME(c, '100:11')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-16 04:11:00
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1313-03-13 13:13:13 1313-03-17 17:24:13
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1414-04-14 00:00:00 1414-04-18 04:11:00
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2015-05-15 15:15:15 2015-05-19 19:26:15
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SELECT c, ADDTIME(c, '100') FROM t1;
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c ADDTIME(c, '100')
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0000-00-00 00:00:00 NULL
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1212-12-12 00:00:00 1212-12-12 00:01:00
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1313-03-13 13:13:13 1313-03-13 13:14:13
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1414-04-14 00:00:00 1414-04-14 00:01:00
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2015-05-15 15:15:15 2015-05-15 15:16:15
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DROP DATABASE mcs179_db;
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