mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-26 11:48:52 +03:00
156 lines
3.9 KiB
Plaintext
156 lines
3.9 KiB
Plaintext
DROP DATABASE IF EXISTS mcs12_db1;
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DROP DATABASE IF EXISTS mcs12_db2;
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CREATE DATABASE mcs12_db1;
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CREATE DATABASE mcs12_db2;
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USE mcs12_db1;
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CREATE TABLE t1 (a INTEGER, c1 CHAR(10));
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INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
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ALTER TABLE t1 ENGINE=Columnstore;
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ALTER TABLE t1 ENGINE=INNODB;
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INSERT INTO t1 VALUES (3, 'c'),(4, 'd');
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ALTER TABLE mcs12_db1.t1 ENGINE=Columnstore;
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INSERT INTO mcs12_db1.t1 VALUES (3, 'c'),(4, 'd');
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SHOW CREATE TABLE mcs12_db1.t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`c1` char(10) DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM mcs12_db1.t1;
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a c1
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1 a
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2 b
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3 c
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4 d
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3 c
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4 d
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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` int(11) DEFAULT NULL,
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`c1` char(10) DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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a c1
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1 a
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2 b
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3 c
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4 d
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3 c
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4 d
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ALTER TABLE t1 RENAME t2;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` int(11) DEFAULT NULL,
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`c1` char(10) DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM t2;
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a c1
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1 a
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2 b
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3 c
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4 d
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3 c
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4 d
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ALTER TABLE t2 RENAME TO mcs12_db1.t1;
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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` int(11) DEFAULT NULL,
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`c1` char(10) DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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a c1
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1 a
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2 b
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3 c
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4 d
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3 c
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4 d
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ALTER TABLE mcs12_db1.t1 RENAME TO mcs12_db2.t1;
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ERROR HY000: Internal error: CAL0001: Alter table Failed: The new tablename is already in use.
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DROP TABLE t1;
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CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;
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ALTER TABLE t1 ADD COLUMN (c CHAR(10));
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INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
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ALTER TABLE t1 ADD t TIMESTAMP;
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ALTER TABLE t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
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INSERT INTO t1 VALUES (1, 'a', '2020-07-08', 11);
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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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`i` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`t` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
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`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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ALTER TABLE t1 DROP COLUMN t;
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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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`i` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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i c i2
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1 a NULL
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2 b NULL
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1 a 11
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ALTER TABLE t1 CHANGE i new_i INTEGER;
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INSERT INTO t1 VALUES (2, 'b', 22);
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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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`new_i` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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new_i c i2
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1 a NULL
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2 b NULL
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1 a 11
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2 b 22
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DROP TABLE t1;
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CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;
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connect addconroot1, localhost, root,,;
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connect addconroot2, localhost, root,,;
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connection addconroot1;
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SHOW CREATE TABLE mcs12_db1.t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`i` int(11) DEFAULT NULL
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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ALTER TABLE mcs12_db1.t1 ADD COLUMN c CHAR(10);
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INSERT INTO mcs12_db1.t1 VALUES (1, 'a'),(2, 'b');
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connection addconroot2;
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ALTER TABLE mcs12_db1.t1 ADD t TIMESTAMP;
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INSERT INTO mcs12_db1.t1 VALUES (3, 'c', '2020-07-08');
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connection addconroot1;
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ALTER TABLE mcs12_db1.t1 DROP COLUMN t;
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INSERT INTO mcs12_db1.t1 VALUES (4, 'd');
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connection addconroot2;
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ALTER TABLE mcs12_db1.t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
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INSERT INTO mcs12_db1.t1 VALUES (5, 'e', 55);
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connection default;
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SHOW CREATE TABLE mcs12_db1.t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`i` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`i2` int(11) DEFAULT NULL COMMENT 'Add one more column.'
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) ENGINE=Columnstore DEFAULT CHARSET=latin1
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SELECT * FROM mcs12_db1.t1;
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i c i2
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1 a NULL
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2 b NULL
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3 c NULL
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4 d NULL
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5 e 55
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disconnect addconroot1;
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disconnect addconroot2;
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DROP DATABASE mcs12_db1;
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DROP DATABASE mcs12_db2;
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