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
153 lines
4.0 KiB
Plaintext
153 lines
4.0 KiB
Plaintext
DROP DATABASE IF EXISTS mcs12_db1;
|
|
DROP DATABASE IF EXISTS mcs12_db2;
|
|
CREATE DATABASE mcs12_db1;
|
|
CREATE DATABASE mcs12_db2;
|
|
USE mcs12_db1;
|
|
CREATE TABLE t1 (a INTEGER, c1 CHAR(10));
|
|
INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
|
|
ALTER TABLE t1 ENGINE=Columnstore;
|
|
ALTER TABLE t1 ENGINE=INNODB;
|
|
INSERT INTO t1 VALUES (3, 'c'),(4, 'd');
|
|
ALTER TABLE mcs12_db1.t1 ENGINE=Columnstore;
|
|
INSERT INTO mcs12_db1.t1 VALUES (3, 'c'),(4, 'd');
|
|
SHOW CREATE TABLE mcs12_db1.t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) DEFAULT NULL,
|
|
`c1` char(10) DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM mcs12_db1.t1;
|
|
a c1
|
|
1 a
|
|
2 b
|
|
3 c
|
|
4 d
|
|
3 c
|
|
4 d
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) DEFAULT NULL,
|
|
`c1` char(10) DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM t1;
|
|
a c1
|
|
1 a
|
|
2 b
|
|
3 c
|
|
4 d
|
|
3 c
|
|
4 d
|
|
ALTER TABLE t1 RENAME t2;
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`a` int(11) DEFAULT NULL,
|
|
`c1` char(10) DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM t2;
|
|
a c1
|
|
1 a
|
|
2 b
|
|
3 c
|
|
4 d
|
|
3 c
|
|
4 d
|
|
ALTER TABLE t2 RENAME TO mcs12_db1.t1;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) DEFAULT NULL,
|
|
`c1` char(10) DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM t1;
|
|
a c1
|
|
1 a
|
|
2 b
|
|
3 c
|
|
4 d
|
|
3 c
|
|
4 d
|
|
ALTER TABLE mcs12_db1.t1 RENAME TO mcs12_db2.t1;
|
|
DROP TABLE mcs12_db2.t1;
|
|
CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;
|
|
ALTER TABLE t1 ADD COLUMN (c CHAR(10));
|
|
INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
|
|
ALTER TABLE t1 ADD t TIMESTAMP;
|
|
ALTER TABLE t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
|
|
INSERT INTO t1 VALUES (1, 'a', '2020-07-08', 11);
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`i` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`t` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
|
|
`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
ALTER TABLE t1 DROP COLUMN t;
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`i` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM t1;
|
|
i c i2
|
|
1 a NULL
|
|
2 b NULL
|
|
1 a 11
|
|
ALTER TABLE t1 CHANGE i new_i INTEGER;
|
|
INSERT INTO t1 VALUES (2, 'b', 22);
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`new_i` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM t1;
|
|
new_i c i2
|
|
1 a NULL
|
|
2 b NULL
|
|
1 a 11
|
|
2 b 22
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;
|
|
connection addconroot1;
|
|
SHOW CREATE TABLE mcs12_db1.t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`i` int(11) DEFAULT NULL
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
ALTER TABLE mcs12_db1.t1 ADD COLUMN c CHAR(10);
|
|
INSERT INTO mcs12_db1.t1 VALUES (1, 'a'),(2, 'b');
|
|
connection addconroot2;
|
|
ALTER TABLE mcs12_db1.t1 ADD t TIMESTAMP;
|
|
INSERT INTO mcs12_db1.t1 VALUES (3, 'c', '2020-07-08');
|
|
connection addconroot1;
|
|
ALTER TABLE mcs12_db1.t1 DROP COLUMN t;
|
|
INSERT INTO mcs12_db1.t1 VALUES (4, 'd');
|
|
connection addconroot2;
|
|
ALTER TABLE mcs12_db1.t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
|
|
INSERT INTO mcs12_db1.t1 VALUES (5, 'e', 55);
|
|
connection default;
|
|
SHOW CREATE TABLE mcs12_db1.t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`i` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
|
|
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
|
|
SELECT * FROM mcs12_db1.t1;
|
|
i c i2
|
|
1 a NULL
|
|
2 b NULL
|
|
3 c NULL
|
|
4 d NULL
|
|
5 e 55
|
|
disconnect addconroot1;
|
|
disconnect addconroot2;
|
|
DROP DATABASE mcs12_db1;
|
|
DROP DATABASE mcs12_db2;
|