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products/Sources/formale Sprachen/C/MariaDB/storage/rocksdb/mysql-test/rocksdb/r/ (MariaDB Server Version 8.1-8.4^©) Datei vom 1.9.2026 mit Größe 5 kB

Quelle alter_table.result Sprache: Lisp

DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (pk INT PRIMARY KEY, a INT, c CHAR(8)) ENGINE=rocksdb;
INSERT INTO t1 VALUES (1,1,'a'),(2,5,'z');
ALTER TABLE t1 ADD COLUMN b INT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 ALTER COLUMN a SET DEFAULT '0';
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT 0,
  `c` char(8) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 ALTER a DROP DEFAULT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 CHANGE COLUMN b b1 CHAR(8) FIRST;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `b1` char(8) DEFAULT NULL,
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 CHANGE b1 b INT AFTER c;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 CHANGE b b CHAR(8);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  `b` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 MODIFY COLUMN b INT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 MODIFY COLUMN b CHAR(8) FIRST;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `b` char(8) DEFAULT NULL,
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 MODIFY COLUMN b INT AFTER a;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 DROP COLUMN b;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 RENAME TO t2;
SHOW CREATE TABLE t1;
ERROR 42S02: Table 'test.t1' doesn't exist
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t1 (pk INT PRIMARY KEY, a INT, b INT) ENGINE=rocksdb;
INSERT INTO t1 VALUES (1,1,5),(2,2,2),(3,4,3);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 ORDER BY b ASC, a DESC, pk DESC;
Warnings:
Warning 1105 ORDER BY ignored as there is a user-defined clustered index in the table 't1'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
pk a b
1 1 5
2 2 2
3 4 3
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY, a INT, b CHAR(8), c CHAR(8)) ENGINE=rocksdb CHARACTER SET latin1 COLLATE latin1_general_cs;
INSERT INTO t1 VALUES (1,5,'z','t');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` char(8) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` char(8) DEFAULT NULL,
  `c` char(8) DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
ALTER TABLE t1 DEFAULT CHARACTER SET = latin1 COLLATE latin1_general_ci;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` char(8) CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci DEFAULT NULL,
  `c` char(8) CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
ALTER TABLE t1 FORCE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
  `pk` int(11) NOT NULL,
  `a` int(11) DEFAULT NULL,
  `b` char(8) CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci DEFAULT NULL,
  `c` char(8) CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci DEFAULT NULL,
  PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
DROP TABLE t1;

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet am 2026-10-08) ¤

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