EVOLUTION-MANAGER
Edit File: add_unique_index_inplace.result
drop table if exists t1; CREATE TABLE t1 (a INT, b INT, PRIMARY KEY ka(a)) ENGINE=RocksDB; INSERT INTO t1 (a, b) VALUES (1, 5); INSERT INTO t1 (a, b) VALUES (2, 6); INSERT INTO t1 (a, b) VALUES (3, 7); INSERT INTO t1 (a,b) VALUES (4,5); ALTER TABLE t1 ADD UNIQUE INDEX kb(b), ALGORITHM=INPLACE; ERROR 23000: Duplicate entry '5' for key 'kb' SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 (a INT, b INT, PRIMARY KEY ka(a)) ENGINE=RocksDB; INSERT INTO t1 (a, b) VALUES (1, 5); INSERT INTO t1 (a, b) VALUES (2, 6); INSERT INTO t1 (a, b) VALUES (3, 7); ALTER TABLE t1 ADD UNIQUE INDEX kb(b), ALGORITHM=INPLACE; INSERT INTO t1 (a,b) VALUES (4,5); ERROR 23000: Duplicate entry '5' for key 'kb' INSERT INTO t1 (a,b) VALUES (5,8); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, PRIMARY KEY (`a`), UNIQUE KEY `kb` (`b`) ) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 SELECT * FROM t1 FORCE INDEX(kb); a b 1 5 2 6 3 7 5 8 DROP TABLE t1; CREATE TABLE t1 (a INT, b INT, PRIMARY KEY ka(a)) ENGINE=RocksDB; INSERT INTO t1 (a, b) VALUES (1, 5); INSERT INTO t1 (a, b) VALUES (2, NULL); INSERT INTO t1 (a, b) VALUES (3, NULL); ALTER TABLE t1 ADD UNIQUE INDEX kb(b), ALGORITHM=INPLACE; INSERT INTO t1 (a, b) VALUES (4, NULL); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, PRIMARY KEY (`a`), UNIQUE KEY `kb` (`b`) ) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 SELECT COUNT(*) FROM t1 FORCE INDEX(kb); COUNT(*) 4 DROP TABLE t1; CREATE TABLE t1 (a INT, b INT, c INT, PRIMARY KEY ka(a)) ENGINE=RocksDB; INSERT INTO t1 (a,b,c) VALUES (1,1,NULL); INSERT INTO t1 (a,b,c) VALUES (2,1,NULL); INSERT INTO t1 (a,b,c) VALUES (3,1,NULL); INSERT INTO t1 (a,b,c) VALUES (4,1,5); ALTER TABLE t1 ADD UNIQUE INDEX kbc(b,c), ALGORITHM=INPLACE; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, PRIMARY KEY (`a`), UNIQUE KEY `kbc` (`b`,`c`) ) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 SELECT COUNT(*) FROM t1 FORCE INDEX(kbc); COUNT(*) 4 DROP TABLE t1; CREATE TABLE t1 (a INT, b INT) ENGINE=RocksDB; INSERT INTO t1 (a, b) VALUES (1, 5); INSERT INTO t1 (a, b) VALUES (2, 6); INSERT INTO t1 (a, b) VALUES (3, 7); ALTER TABLE t1 ADD UNIQUE INDEX kb(b); INSERT INTO t1 (a, b) VALUES (4, 8); INSERT INTO t1 (a, b) VALUES (5, 5); ERROR 23000: Duplicate entry '5' for key 'kb' SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, UNIQUE KEY `kb` (`b`) ) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 DROP TABLE t1; CREATE TABLE t1 ( a INT PRIMARY KEY, b INT, c INT, KEY kbc(b,c)) ENGINE = ROCKSDB; INSERT INTO t1 (a,b,c) VALUES (1,1,1); INSERT INTO t1 (a,b,c) VALUES (2,2,2); INSERT INTO t1 (a,b,c) VALUES (3,2,2); ALTER TABLE t1 DROP INDEX kbc, ADD UNIQUE INDEX kbc(b,c), ALGORITHM=INPLACE; ERROR 23000: Duplicate entry '2-2' for key 'kbc' DROP TABLE t1;