DROP TABLE IF EXISTS t1,t2; CREATE LOGFILE GROUP lg1 ADD UNDOFILE 'undofile.dat' INITIAL_SIZE 16M UNDO_BUFFER_SIZE = 1M ENGINE=NDB; CREATE TABLESPACE ts1 ADD DATAFILE 'datafile.dat' USE LOGFILE GROUP lg1 INITIAL_SIZE 64M ENGINE NDB; CREATE TABLE t1 (a int unsigned not null, b int unsigned not null, c int unsigned not null, primary key(a,c), unique (b)) ENGINE = NDB partition by key(a); CREATE TABLE t2 (a int unsigned not null, b int unsigned not null, c int unsigned not null, primary key(a,b), unique (b)) ENGINE = NDB STORAGE DISK TABLESPACE ts1 partition by key(a); INSERT INTO t1 VALUES (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5), (6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10), (11,11,11),(12,12,12),(13,13,13),(14,14,14),(15,15,15), (16,16,16),(17,17,17),(18,18,18),(19,19,19),(20,20,20), (21,21,21),(22,22,22),(23,23,23),(24,24,24),(25,25,25), (26,26,26),(27,27,27),(28,28,28),(29,29,29),(30,30,30), (31,31,31),(32,32,32),(33,33,33),(34,34,34),(35,35,35), (36,36,36),(37,37,37),(38,38,38),(39,39,39),(40,40,40), (41,41,41),(42,42,42),(43,43,43),(44,44,44),(45,45,45), (46,46,46),(47,47,47),(48,48,48),(49,49,49),(50,50,50), (51,51,51),(52,52,52),(53,53,53),(54,54,54),(55,55,55), (56,56,56),(57,57,57),(58,58,58),(59,59,59),(60,60,60), (61,61,61),(62,62,62),(63,63,63),(64,64,64),(65,65,65), (66,66,66),(67,67,67),(68,68,68),(69,69,69),(70,70,70), (71,71,71),(72,72,72),(73,73,73),(74,74,74),(75,75,75), (76,76,76),(77,77,77),(78,78,78),(79,79,79),(80,80,80), (81,81,81),(82,82,82),(83,83,83),(84,84,84),(85,85,85), (86,86,86),(87,87,87),(88,88,88),(89,89,89),(90,90,90), (91,91,91),(92,92,92),(93,93,93),(94,94,94),(95,95,95), (96,96,96),(97,97,97),(98,98,98),(99,99,99),(100,100,100); insert into t2 select * from t1; select count(*) from t1; count(*) 100 select count(*) from t2; count(*) 100 select * from t1 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t1 where a = 20; a b c 20 20 20 select * from t1 where a = 30; a b c 30 30 30 select * from t1 where a = 40; a b c 40 40 40 select * from t1 where a = 50; a b c 50 50 50 select * from t1 where b = 20; a b c 20 20 20 select * from t1 where b = 30; a b c 30 30 30 select * from t1 where b = 40; a b c 40 40 40 select * from t1 where b = 50; a b c 50 50 50 select * from t2 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t2 where a = 20; a b c 20 20 20 select * from t2 where a = 30; a b c 30 30 30 select * from t2 where a = 40; a b c 40 40 40 select * from t2 where a = 50; a b c 50 50 50 select * from t2 where b = 20; a b c 20 20 20 select * from t2 where b = 30; a b c 30 30 30 select * from t2 where b = 40; a b c 40 40 40 select * from t2 where b = 50; a b c 50 50 50 alter online table t1 reorganize partition; alter online table t2 reorganize partition; partitions added to t1 t1_added 0 partitions added to t2 t2_added 0 alter online table t1 add partition partitions 1; alter online table t2 add partition partitions 4; partitions added to t1 t1_added 1 partitions added to t2 t2_added 4 alter online table t1 reorganize partition; ERROR HY000: REORGANIZE PARTITION without parameters can only be used on auto-partitioned tables using HASH PARTITIONs select count(*) from t1; count(*) 100 select count(*) from t2; count(*) 100 select * from t1 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t1 where a = 20; a b c 20 20 20 select * from t1 where a = 30; a b c 30 30 30 select * from t1 where a = 40; a b c 40 40 40 select * from t1 where a = 50; a b c 50 50 50 select * from t1 where b = 20; a b c 20 20 20 select * from t1 where b = 30; a b c 30 30 30 select * from t1 where b = 40; a b c 40 40 40 select * from t1 where b = 50; a b c 50 50 50 select * from t2 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t2 where a = 20; a b c 20 20 20 select * from t2 where a = 30; a b c 30 30 30 select * from t2 where a = 40; a b c 40 40 40 select * from t2 where a = 50; a b c 50 50 50 select * from t2 where b = 20; a b c 20 20 20 select * from t2 where b = 30; a b c 30 30 30 select * from t2 where b = 40; a b c 40 40 40 select * from t2 where b = 50; a b c 50 50 50 alter online table t1 add partition partitions 2; alter online table t2 add partition partitions 1; partitions added to t1 t1_added 3 partitions added to t2 t2_added 5 select count(*) from t1; count(*) 100 select count(*) from t2; count(*) 100 select * from t1 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t1 where a = 20; a b c 20 20 20 select * from t1 where a = 30; a b c 30 30 30 select * from t1 where a = 40; a b c 40 40 40 select * from t1 where a = 50; a b c 50 50 50 select * from t1 where b = 20; a b c 20 20 20 select * from t1 where b = 30; a b c 30 30 30 select * from t1 where b = 40; a b c 40 40 40 select * from t1 where b = 50; a b c 50 50 50 select * from t2 where a < 20; a b c 1 1 1 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 16 16 16 17 17 17 18 18 18 19 19 19 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 select * from t2 where a = 20; a b c 20 20 20 select * from t2 where a = 30; a b c 30 30 30 select * from t2 where a = 40; a b c 40 40 40 select * from t2 where a = 50; a b c 50 50 50 select * from t2 where b = 20; a b c 20 20 20 select * from t2 where b = 30; a b c 30 30 30 select * from t2 where b = 40; a b c 40 40 40 select * from t2 where b = 50; a b c 50 50 50 drop table t1,t2; alter tablespace ts1 drop datafile 'datafile.dat' engine = ndb; drop tablespace ts1 engine = ndb; drop logfile group lg1 engine = ndb;