DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES (100,'foobar',100),(1,'a',101),(2,'b',103),(3,'c',104),(4,'d',105),(5,'e',106);
SELECT a,b FROM t1;
a b 1 a 100 foobar 2 b 3 c 4 d 5 e
INSERT t1 VALUE (10,'foo',107),(11,'abc',108);
SELECT a,b FROM t1;
a b 1 a 10 foo 100 foobar 11 abc 2 b 3 c 4 d 5 e
INSERT INTO t1 (b,a) VALUES ('test',0);
SELECT a,b FROM t1;
a b 0 test 1 a 10 foo 100 foobar 11 abc 2 b 3 c 4 d 5 e
INSERT INTO t1 VALUES (DEFAULT,DEFAULT,NULL);
SELECT a,b FROM t1;
a b 0 test 1 a 10 foo 100 foobar 11 abc 2 b 3 c 4 d 5 e
NULL NULL
INSERT t1 (a) VALUE (10),(20);
SELECT a,b FROM t1;
a b 0 test 1 a 10 NULL 10 foo 100 foobar 11 abc 2 b 20 NULL 3 c 4 d 5 e
NULL NULL
INSERT INTO t1 SET a = 11, b = 'f';
SELECT a,b FROM t1;
a b 0 test 1 a 10 NULL 10 foo 100 foobar 11 abc 11 f 2 b 20 NULL 3 c 4 d 5 e
NULL NULL
INSERT t1 SET b = DEFAULT;
SELECT a,b FROM t1;
a b 0 test 1 a 10 NULL 10 foo 100 foobar 11 abc 11 f 2 b 20 NULL 3 c 4 d 5 e
NULL NULL
NULL NULL
CREATE TABLE t2 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t2 SELECT a,b,pk FROM t1;
INSERT INTO t1 (a) SELECT a FROM t2 WHERE b = 'foo';
SELECT a,b FROM t1;
a b 0 test 1 a 10 NULL 10 NULL 10 foo 100 foobar 11 abc 11 f 2 b 20 NULL 3 c 4 d 5 e
NULL NULL
NULL NULL
INSERT t1 (a,b) SELECT a,b FROM t1;
SELECT a,b FROM t1;
a b 0 test 0 test 1 a 1 a 10 NULL 10 NULL 10 NULL 10 NULL 10 foo 10 foo 100 foobar 100 foobar 11 abc 11 abc 11 f 11 f 2 b 2 b 20 NULL 20 NULL 3 c 3 c 4 d 4 d 5 e 5 e
NULL NULL
NULL NULL
NULL NULL
NULL NULL
DROP TABLE t1, t2;
CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=rocksdb;
BEGIN;
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'),(100,'foo');
INSERT t1 (a,b) VALUE (10,'foo'),(11,'abc');
COMMIT;
SELECT a,b FROM t1;
a b 1 a 10 foo 100 foo 11 abc 2 b 3 c 4 d 5 e
BEGIN;
INSERT INTO t1 (b,a) VALUES ('test',0);
SAVEPOINT spt1;
INSERT INTO t1 (a,b) VALUES (DEFAULT,DEFAULT);
RELEASE SAVEPOINT spt1;
INSERT INTO t1 (a,b) VALUES (DEFAULT,DEFAULT);
ROLLBACK;
SELECT a,b FROM t1;
a b 1 a 10 foo 100 foo 11 abc 2 b 3 c 4 d 5 e
BEGIN;
INSERT t1 (a) VALUE (10),(20);
SAVEPOINT spt1;
INSERT INTO t1 SET a = 11, b = 'f';
INSERT t1 SET b = DEFAULT;
ROLLBACK TO SAVEPOINT spt1; ERROR HY000: MyRocks currently does not support ROLLBACK TO SAVEPOINT if modifying rows.
INSERT INTO t1 (b,a) VALUES ('test1',10);
COMMIT; ERROR HY000: This transaction was rolled back and cannot be committed. Only supported operation is to roll it back, so all pending changes will be discarded. Please restart another transaction.
SELECT a,b FROM t1;
a b 1 a 10 foo 100 foo 11 abc 2 b 3 c 4 d 5 e
DROP TABLE t1;
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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