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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>
108 lines
2.1 KiB
Plaintext
108 lines
2.1 KiB
Plaintext
DROP DATABASE IF EXISTS mcs175_db;
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CREATE DATABASE mcs175_db;
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USE mcs175_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 CONVERT(123, CHAR);
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CONVERT(123, CHAR)
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123
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SELECT CONVERT("14:06:10", TIME);
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CONVERT("14:06:10", TIME)
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14:06:10
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SELECT CONVERT("columnstore" USING latin1);
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CONVERT("columnstore" USING latin1)
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columnstore
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SELECT CONVERT('abcd', BINARY);
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CONVERT('abcd', BINARY)
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abcd
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SELECT CONVERT(-123, UNSIGNED);
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CONVERT(-123, UNSIGNED)
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18446744073709551493
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Warnings:
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Note 1105 Cast to unsigned converted negative integer to it's positive complement
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SELECT CONV(123, 10, 2);
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CONV(123, 10, 2)
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1111011
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SELECT CONV(123, 8, 2);
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CONV(123, 8, 2)
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1010011
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SELECT CONV(2011, 10, 16);
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CONV(2011, 10, 16)
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7DB
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SELECT CONV(101011, 2, 10);
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CONV(101011, 2, 10)
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43
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SELECT CONVERT(c, DATE) FROM t1;
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CONVERT(c, DATE)
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0000-00-00
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1212-12-12
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1313-03-13
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1414-04-14
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2015-05-15
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SELECT CONVERT(c, TIME) FROM t1;
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CONVERT(c, TIME)
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00:00:00
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00:00:00
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13:13:13
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00:00:00
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15:15:15
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SELECT CONVERT(b, CHAR) FROM t1;
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CONVERT(b, CHAR)
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NULL
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12
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13
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14
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15
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SELECT CONVERT(b, SIGNED) FROM t1;
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CONVERT(b, SIGNED)
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NULL
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12
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13
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14
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15
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SELECT b, CONV(b, 10, 2) FROM t1;
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b CONV(b, 10, 2)
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NULL NULL
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12 1100
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13 1101
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14 1110
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15 1111
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SELECT b, CONV(b, 10, 8) FROM t1;
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b CONV(b, 10, 8)
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NULL NULL
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12 14
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13 15
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14 16
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15 17
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SELECT b, CONV(b, 10, 16) FROM t1;
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b CONV(b, 10, 16)
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NULL NULL
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12 C
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13 D
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14 E
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15 F
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SELECT d, CONV(d, 10, 2) FROM t1;
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d CONV(d, 10, 2)
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NULL NULL
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1.19691e100 1
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2.1961e18 10
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0.16191 0
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1.971917 1
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SELECT d, CONV(d, 10, 16) FROM t1;
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d CONV(d, 10, 16)
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NULL NULL
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1.19691e100 1
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2.1961e18 2
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0.16191 0
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1.971917 1
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DROP DATABASE mcs175_db;
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