select count(*) from information_schema.columns; count(*) # DROP TABLE IF EXISTS t1; CREATE LOGFILE GROUP lg1 ADD UNDOFILE 'undofile.dat' INITIAL_SIZE 16M UNDO_BUFFER_SIZE = 1M ENGINE=MYISAM; Warnings: Error 1478 Table storage engine 'MyISAM' does not support the create option 'TABLESPACE or LOGFILE GROUP' ALTER LOGFILE GROUP lg1 ADD UNDOFILE 'undofile02.dat' INITIAL_SIZE = 4M ENGINE=XYZ; Warnings: Warning 1286 Unknown table engine 'XYZ' Error 1478 Table storage engine 'MyISAM' does not support the create option 'TABLESPACE or LOGFILE GROUP' CREATE TABLESPACE ts1 ADD DATAFILE 'datafile.dat' USE LOGFILE GROUP lg1 INITIAL_SIZE 12M; Warnings: Error 1478 Table storage engine 'MyISAM' does not support the create option 'TABLESPACE or LOGFILE GROUP' CREATE LOGFILE GROUP lg1 ADD UNDOFILE 'undofile.dat' INITIAL_SIZE 5K UNDO_BUFFER_SIZE = 1M ENGINE=NDB; ERROR HY000: Failed to create UNDOFILE set storage_engine=ndb; CREATE LOGFILE GROUP lg1 ADD UNDOFILE 'undofile.dat' INITIAL_SIZE 16M UNDO_BUFFER_SIZE = 1M; ALTER LOGFILE GROUP lg1 ADD UNDOFILE 'undofile02.dat' INITIAL_SIZE = 4M ENGINE=NDB; set storage_engine=myisam; CREATE TABLESPACE ts1 ADD DATAFILE 'datafile.dat' USE LOGFILE GROUP lg1 INITIAL_SIZE 12M ENGINE NDB; ALTER TABLESPACE ts1 ADD DATAFILE 'datafile02.dat' INITIAL_SIZE = 4M ENGINE=NDB; CREATE TABLE t1 (pk1 INT NOT NULL PRIMARY KEY, b INT NOT NULL, c INT NOT NULL) TABLESPACE ts1 STORAGE DISK ENGINE=NDB; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `pk1` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY (`pk1`) ) /*!50100 TABLESPACE ts1 STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 INSERT INTO t1 VALUES (0, 0, 0); SELECT * FROM t1; pk1 b c 0 0 0 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), (101,101,101),(102,102,102),(103,103,103),(104,104,104),(105,105,105), (106,106,106),(107,107,107),(108,108,108),(109,109,109),(110,110,110), (111,111,111),(112,112,112),(113,113,113),(114,114,114),(115,115,115), (116,116,116),(117,117,117),(118,118,118),(119,119,119),(120,120,120), (121,121,121),(122,122,122),(123,123,123),(124,124,124),(125,125,125), (126,126,126),(127,127,127),(128,128,128),(129,129,129),(130,130,130), (131,131,131),(132,132,132),(133,133,133),(134,134,134),(135,135,135), (136,136,136),(137,137,137),(138,138,138),(139,139,139),(140,140,140), (141,141,141),(142,142,142),(143,143,143),(144,144,144),(145,145,145), (146,146,146),(147,147,147),(148,148,148),(149,149,149),(150,150,150), (151,151,151),(152,152,152),(153,153,153),(154,154,154),(155,155,155), (156,156,156),(157,157,157),(158,158,158),(159,159,159),(160,160,160), (161,161,161),(162,162,162),(163,163,163),(164,164,164),(165,165,165), (166,166,166),(167,167,167),(168,168,168),(169,169,169),(170,170,170), (171,171,171),(172,172,172),(173,173,173),(174,174,174),(175,175,175), (176,176,176),(177,177,177),(178,178,178),(179,179,179),(180,180,180), (181,181,181),(182,182,182),(183,183,183),(184,184,184),(185,185,185), (186,186,186),(187,187,187),(188,188,188),(189,189,189),(190,190,190), (191,191,191),(192,192,192),(193,193,193),(194,194,194),(195,195,195), (196,196,196),(197,197,197),(198,198,198),(199,199,199),(200,200,200), (201,201,201),(202,202,202),(203,203,203),(204,204,204),(205,205,205), (206,206,206),(207,207,207),(208,208,208),(209,209,209),(210,210,210), (211,211,211),(212,212,212),(213,213,213),(214,214,214),(215,215,215), (216,216,216),(217,217,217),(218,218,218),(219,219,219),(220,220,220), (221,221,221),(222,222,222),(223,223,223),(224,224,224),(225,225,225), (226,226,226),(227,227,227),(228,228,228),(229,229,229),(230,230,230), (231,231,231),(232,232,232),(233,233,233),(234,234,234),(235,235,235), (236,236,236),(237,237,237),(238,238,238),(239,239,239),(240,240,240), (241,241,241),(242,242,242),(243,243,243),(244,244,244),(245,245,245), (246,246,246),(247,247,247),(248,248,248),(249,249,249),(250,250,250), (251,251,251),(252,252,252),(253,253,253),(254,254,254),(255,255,255), (256,256,256),(257,257,257),(258,258,258),(259,259,259),(260,260,260), (261,261,261),(262,262,262),(263,263,263),(264,264,264),(265,265,265), (266,266,266),(267,267,267),(268,268,268),(269,269,269),(270,270,270), (271,271,271),(272,272,272),(273,273,273),(274,274,274),(275,275,275), (276,276,276),(277,277,277),(278,278,278),(279,279,279),(280,280,280), (281,281,281),(282,282,282),(283,283,283),(284,284,284),(285,285,285), (286,286,286),(287,287,287),(288,288,288),(289,289,289),(290,290,290), (291,291,291),(292,292,292),(293,293,293),(294,294,294),(295,295,295), (296,296,296),(297,297,297),(298,298,298),(299,299,299),(300,300,300), (301,301,301),(302,302,302),(303,303,303),(304,304,304),(305,305,305), (306,306,306),(307,307,307),(308,308,308),(309,309,309),(310,310,310), (311,311,311),(312,312,312),(313,313,313),(314,314,314),(315,315,315), (316,316,316),(317,317,317),(318,318,318),(319,319,319),(320,320,320), (321,321,321),(322,322,322),(323,323,323),(324,324,324),(325,325,325), (326,326,326),(327,327,327),(328,328,328),(329,329,329),(330,330,330), (331,331,331),(332,332,332),(333,333,333),(334,334,334),(335,335,335), (336,336,336),(337,337,337),(338,338,338),(339,339,339),(340,340,340), (341,341,341),(342,342,342),(343,343,343),(344,344,344),(345,345,345), (346,346,346),(347,347,347),(348,348,348),(349,349,349),(350,350,350), (351,351,351),(352,352,352),(353,353,353),(354,354,354),(355,355,355), (356,356,356),(357,357,357),(358,358,358),(359,359,359),(360,360,360), (361,361,361),(362,362,362),(363,363,363),(364,364,364),(365,365,365), (366,366,366),(367,367,367),(368,368,368),(369,369,369),(370,370,370), (371,371,371),(372,372,372),(373,373,373),(374,374,374),(375,375,375), (376,376,376),(377,377,377),(378,378,378),(379,379,379),(380,380,380), (381,381,381),(382,382,382),(383,383,383),(384,384,384),(385,385,385), (386,386,386),(387,387,387),(388,388,388),(389,389,389),(390,390,390), (391,391,391),(392,392,392),(393,393,393),(394,394,394),(395,395,395), (396,396,396),(397,397,397),(398,398,398),(399,399,399),(400,400,400), (401,401,401),(402,402,402),(403,403,403),(404,404,404),(405,405,405), (406,406,406),(407,407,407),(408,408,408),(409,409,409),(410,410,410), (411,411,411),(412,412,412),(413,413,413),(414,414,414),(415,415,415), (416,416,416),(417,417,417),(418,418,418),(419,419,419),(420,420,420), (421,421,421),(422,422,422),(423,423,423),(424,424,424),(425,425,425), (426,426,426),(427,427,427),(428,428,428),(429,429,429),(430,430,430), (431,431,431),(432,432,432),(433,433,433),(434,434,434),(435,435,435), (436,436,436),(437,437,437),(438,438,438),(439,439,439),(440,440,440), (441,441,441),(442,442,442),(443,443,443),(444,444,444),(445,445,445), (446,446,446),(447,447,447),(448,448,448),(449,449,449),(450,450,450), (451,451,451),(452,452,452),(453,453,453),(454,454,454),(455,455,455), (456,456,456),(457,457,457),(458,458,458),(459,459,459),(460,460,460), (461,461,461),(462,462,462),(463,463,463),(464,464,464),(465,465,465), (466,466,466),(467,467,467),(468,468,468),(469,469,469),(470,470,470), (471,471,471),(472,472,472),(473,473,473),(474,474,474),(475,475,475), (476,476,476),(477,477,477),(478,478,478),(479,479,479),(480,480,480), (481,481,481),(482,482,482),(483,483,483),(484,484,484),(485,485,485), (486,486,486),(487,487,487),(488,488,488),(489,489,489),(490,490,490), (491,491,491),(492,492,492),(493,493,493),(494,494,494),(495,495,495), (496,496,496),(497,497,497),(498,498,498),(499,499,499),(500, 500, 500); SELECT COUNT(*) FROM t1; COUNT(*) 501 SELECT table_name, SUM(table_rows), SUM(data_length), MAX(max_data_length), SUM(data_free) FROM INFORMATION_SCHEMA.partitions WHERE table_name='t1' GROUP BY table_name; table_name SUM(table_rows) SUM(data_length) MAX(max_data_length) SUM(data_free) t1 501 65536 1048576 2078940 SELECT table_name, table_rows, data_length, max_data_length, data_free FROM information_schema.tables WHERE table_name='t1'; table_name table_rows data_length max_data_length data_free t1 501 65536 2097152 2078940 CREATE LOGFILE GROUP lg2 ADD UNDOFILE 'x.dat' INITIAL_SIZE 10y ENGINE = NDB; ERROR HY000: A size parameter was incorrectly specified, either number or on the form 10M CREATE LOGFILE GROUP lg2 ADD UNDOFILE 'x.dat' INITIAL_SIZE 10MB ENGINE = NDB; ERROR HY000: A size parameter was incorrectly specified, either number or on the form 10M CREATE LOGFILE GROUP lg2 ADD UNDOFILE 'x.dat' INITIAL_SIZE 10 MB ENGINE = NDB; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'MB ENGINE = NDB' at line 3 CREATE LOGFILE GROUP lg2 ADD UNDOFILE 'x.dat' INITIAL_SIZE 10 M ENGINE = NDB; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'M ENGINE = NDB' at line 3 CREATE LOGFILE GROUP lg2 ADD UNDOFILE 'x.dat' INITIAL_SIZE 1000000000000K ENGINE = NDB; ERROR HY000: The size number was correct but we don't allow the digit part to be more than 2 billion DROP TABLE t1; create tablespace ts2 add datafile 'datafile2_1.dat' use logfile group lg1 initial_size 12M engine ndb; CREATE TABLE City ( ID int(11) NOT NULL AUTO_INCREMENT, Name char(35) NOT NULL, CountryCode char(3) NOT NULL, District char(20) NOT NULL, Population int(11) NOT NULL, PRIMARY KEY (ID) ) ENGINE=ndbcluster tablespace ts2 storage disk; create table t1 (a int primary key, b int) engine = ndbcluster tablespace ts2 storage disk; insert into t1 values (1,1); alter tablespace ts2 drop datafile 'datafile2_1.dat' engine ndb; ERROR HY000: Failed to alter: DROP DATAFILE drop table t1; alter tablespace ts2 drop datafile 'datafile2_1.dat' engine ndb; insert into City (Name,CountryCode,District,Population) values ('BeiJing','CN','Beijing',2000); ERROR HY000: Got error 1602 'No datafile in tablespace' from NDBCLUSTER drop tablespace ts2 engine ndb; ERROR HY000: Failed to drop TABLESPACE drop table City; drop tablespace ts2 engine ndb; CREATE TABLE t1 (a INT PRIMARY KEY, b CHAR(4) NOT NULL, c CHAR(4) NOT NULL, KEY(b)) TABLESPACE ts1 STORAGE DISK ENGINE = NDB; INSERT INTO t1 VALUES (1,'1','1'), (2,'2','2'), (3,'3','3'); BEGIN; UPDATE t1 SET b = '2' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 2 SELECT * FROM t1 WHERE a = 1; a b c 1 2 1 UPDATE t1 SET c = '2' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 2 SELECT * FROM t1 WHERE a = 1; a b c 1 2 2 UPDATE t1 SET b = '3' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 3 SELECT * FROM t1 WHERE a = 1; a b c 1 3 2 COMMIT; SELECT * FROM t1 ORDER BY 1; a b c 1 3 2 2 2 2 3 3 3 BEGIN; UPDATE t1 SET c = '3' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 3 SELECT * FROM t1 WHERE a = 1; a b c 1 3 3 UPDATE t1 SET b = '4' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 4 SELECT * FROM t1 WHERE a = 1; a b c 1 4 3 UPDATE t1 SET c = '4' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 4 SELECT * FROM t1 WHERE a = 1; a b c 1 4 4 COMMIT; SELECT * FROM t1 ORDER BY 1; a b c 1 4 4 2 2 2 3 3 3 UPDATE t1 SET b = '5' WHERE a = 1; SELECT * FROM t1 ORDER BY 1; a b c 1 5 4 2 2 2 3 3 3 UPDATE t1 SET b = '6' WHERE b = '5'; SELECT * FROM t1 ORDER BY 1; a b c 1 6 4 2 2 2 3 3 3 UPDATE t1 SET b = '7'WHERE c = '4'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 4 2 2 2 3 3 3 UPDATE t1 SET c = '5' WHERE a = 1; SELECT * FROM t1 ORDER BY 1; a b c 1 7 5 2 2 2 3 3 3 UPDATE t1 SET c = '6' WHERE b = '7'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 6 2 2 2 3 3 3 UPDATE t1 SET c = '7' WHERE c = '6'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 7 2 2 2 3 3 3 DROP TABLE t1; CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(4) NOT NULL, c CHAR(4) NOT NULL, KEY(b)) TABLESPACE ts1 STORAGE DISK ENGINE NDB; INSERT INTO t1 VALUE (1,'1','1'), (2,'2','2'), (3,'3','3'); BEGIN; UPDATE t1 SET b = '2' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 2 SELECT * FROM t1 WHERE a = 1; a b c 1 2 1 UPDATE t1 SET c = '2' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 2 SELECT * FROM t1 WHERE a = 1; a b c 1 2 2 UPDATE t1 SET b = '3' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 3 SELECT * FROM t1 WHERE a = 1; a b c 1 3 2 COMMIT; SELECT * FROM t1 ORDER BY 1; a b c 1 3 2 2 2 2 3 3 3 BEGIN; UPDATE t1 SET c = '3' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 3 SELECT * FROM t1 WHERE a = 1; a b c 1 3 3 UPDATE t1 SET b = '4' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 4 SELECT * FROM t1 WHERE a = 1; a b c 1 4 3 UPDATE t1 SET c = '4' WHERE a = 1; SELECT b FROM t1 WHERE a = 1; b 4 SELECT * FROM t1 WHERE a = 1; a b c 1 4 4 COMMIT; SELECT * FROM t1 ORDER BY 1; a b c 1 4 4 2 2 2 3 3 3 UPDATE t1 SET b = '5' WHERE a = 1; SELECT * FROM t1 ORDER BY 1; a b c 1 5 4 2 2 2 3 3 3 UPDATE t1 SET b = '6' WHERE b = '5'; SELECT * FROM t1 ORDER BY 1; a b c 1 6 4 2 2 2 3 3 3 UPDATE t1 SET b = '7' WHERE c = '4'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 4 2 2 2 3 3 3 UPDATE t1 SET c = '5' WHERE a = 1; SELECT * FROM t1 ORDER BY 1; a b c 1 7 5 2 2 2 3 3 3 UPDATE t1 SET c = '6' WHERE b = '7'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 6 2 2 2 3 3 3 UPDATE t1 SET c = '7' WHERE c = '6'; SELECT * FROM t1 ORDER BY 1; a b c 1 7 7 2 2 2 3 3 3 DELETE FROM t1; INSERT INTO t1 VALUES (3,'1','1'); BEGIN; UPDATE t1 SET b = b + 2 WHERE A = 3; DELETE FROM t1 WHERE A = 3; INSERT INTO t1 VALUES (3,'0','0'); COMMIT; SELECT * from t1 ORDER BY 1; a b c 3 0 0 DROP TABLE t1; CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY, b TEXT NOT NULL ) TABLESPACE ts1 STORAGE DISK ENGINE=NDBCLUSTER; set @x0 = '01234567012345670123456701234567'; set @x0 = concat(@x0,@x0,@x0,@x0,@x0,@x0,@x0,@x0); set @b1 = 'b1'; set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1); set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1); set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1); set @b1 = concat(@b1,@x0); set @b2 = 'b2'; set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2); set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2); set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2); set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2); INSERT INTO t1 VALUES(1,@b1); INSERT INTO t1 VALUES(2,@b2); SELECT a,length(b),substr(b,1+2*900,2) FROM t1 WHERE a=1; a length(b) substr(b,1+2*900,2) 1 2256 b1 SELECT a,length(b),substr(b,1+2*9000,2) FROM t1 WHERE a=2; a length(b) substr(b,1+2*9000,2) 2 20000 b2 UPDATE t1 SET b=@b2 WHERE a=1; UPDATE t1 SET b=@b1 WHERE a=2; SELECT a,length(b),substr(b,1+2*9000,2) FROM t1 WHERE a=1; a length(b) substr(b,1+2*9000,2) 1 20000 b2 SELECT a,length(b),substr(b,1+2*900,2) FROM t1 WHERE a=2; a length(b) substr(b,1+2*900,2) 2 2256 b1 UPDATE t1 SET b=concat(b,b) WHERE a=1; UPDATE t1 SET b=concat(b,b) WHERE a=2; SELECT a,length(b),substr(b,1+4*9000,2) FROM t1 WHERE a=1; a length(b) substr(b,1+4*9000,2) 1 40000 b2 SELECT a,length(b),substr(b,1+4*900,2) FROM t1 WHERE a=2; a length(b) substr(b,1+4*900,2) 2 4512 b1 DELETE FROM t1 WHERE a=1; DELETE FROM t1 WHERE a=2; SELECT COUNT(*) FROM t1; COUNT(*) 0 DROP TABLE t1; CREATE TABLE t1 ( a int NOT NULL, b varchar(4000), -- must use 2 pages undo PRIMARY KEY using hash (a) ) TABLESPACE ts1 STORAGE DISK ENGINE=NDBCLUSTER; set autocommit = 0; insert into t1 values(0,'x'); insert into t1 values(1,'x'); insert into t1 values(2,'x'); insert into t1 values(3,'x'); insert into t1 values(4,'x'); insert into t1 values(5,'x'); insert into t1 values(6,'x'); insert into t1 values(7,'x'); insert into t1 values(8,'x'); delete from t1 where a = 0; commit; delete from t1; begin; insert into t1 values (1, 'x'); select * from t1; a b 1 x rollback; set autocommit = 1; drop table t1; create table test.t1 (f1 varchar(50) primary key, f2 text,f3 int) TABLESPACE ts1 STORAGE DISK engine=NDB; insert into test.t1 (f1,f2,f3)VALUES("111111","aaaaaa",1); insert into test.t1 (f1,f2,f3)VALUES("222222","bbbbbb",2); select * from test.t1 order by f1; f1 f2 f3 111111 aaaaaa 1 222222 bbbbbb 2 select f1,f2 from test.t1 order by f2; f1 f2 111111 aaaaaa 222222 bbbbbb select f2 from test.t1 order by f2; f2 aaaaaa bbbbbb select f1,f2 from test.t1 order by f1; f1 f2 111111 aaaaaa 222222 bbbbbb drop table test.t1; CREATE TABLE t1 ( id int unsigned NOT NULL, c1 int unsigned NOT NULL, c2 int DEFAULT NULL, PRIMARY KEY using hash (id), UNIQUE KEY c1 using hash (c1)) TABLESPACE ts1 STORAGE DISK ENGINE=ndbcluster; insert into t1 values(1, 1, 3); insert into t1 values(2, 2, 3); update t1 set c1 = 1 where id = 2; ERROR 23000: Can't write; duplicate key in table '' drop table t1; ALTER TABLESPACE ts1 DROP DATAFILE 'datafile.dat' ENGINE = NDB; ALTER TABLESPACE ts1 DROP DATAFILE 'datafile02.dat' ENGINE = NDB; DROP TABLESPACE ts1 ENGINE = NDB; DROP LOGFILE GROUP lg1 ENGINE =NDB; === bug#31712 === create logfile group lg1 add undofile 'undofile.dat' initial_size 2M undo_buffer_size 1M engine ndb; create tablespace ts1 add datafile 'datafile.dat' use logfile group lg1 initial_size 1M extent_size 2M engine ndb; ERROR HY000: Failed to create DATAFILE show warnings; Level Code Message Error 1296 Got error 1516 'File too small' from NDB Error 1528 Failed to create DATAFILE create tablespace ts1 add datafile 'datafile.dat' use logfile group lg1 initial_size 2M extent_size 2M engine ndb; alter tablespace ts1 add datafile 'datafile02.dat' initial_size 1M engine ndb; ERROR HY000: Failed to alter: CREATE DATAFILE show warnings; Level Code Message Error 1296 Got error 1516 'File too small' from NDB Error 1533 Failed to alter: CREATE DATAFILE alter tablespace ts1 drop datafile 'datafile.dat' engine ndb; drop tablespace ts1 engine ndb; drop logfile group lg1 engine ndb; === bug#31782 === create logfile group lg1 add undofile 'undofile.dat' initial_size 2M undo_buffer_size 1M engine ndb; create tablespace ts1 add datafile 'datafile.dat' use logfile group lg1 initial_size 2M extent_size 2M engine ndb; select distinct tablespace_name, file_type, file_name from information_schema.files where tablespace_name is not null order by file_type, file_name; tablespace_name file_type file_name ts1 DATAFILE datafile.dat ts1 TABLESPACE NULL alter tablespace ts1 drop datafile 'datafile.dat' engine ndb; select distinct tablespace_name, file_type, file_name from information_schema.files where tablespace_name is not null order by file_type, file_name; tablespace_name file_type file_name ts1 TABLESPACE NULL drop tablespace ts1 engine ndb; drop logfile group lg1 engine ndb; === bug#49709 === create logfile group lg1 add undofile 'undofile.dat' initial_size 3276801 undo_buffer_size 294913 engine ndb; Warnings: Warning 1 Undo buffer size rounded up to kernel page size Warning 2 Undofile size rounded down to kernel page size alter logfile group lg1 add undofile 'undofile02.dat' initial_size 3309567 engine ndb; Warnings: Warning 2 Undofile size rounded down to kernel page size create tablespace ts1 add datafile 'datafile.dat' use logfile group lg1 initial_size 3276801 extent_size 294913 engine ndb; Warnings: Warning 4 Extent size rounded up to kernel page size Warning 8 Datafile size rounded down to extent size alter tablespace ts1 add datafile 'datafile02.dat' initial_size 3342335 engine ndb; Warnings: Warning 24 Datafile size rounded up to extent size select logfile_group_name, extra from information_schema.files where file_type = 'UNDO LOG' and file_name is null; logfile_group_name extra lg1 UNDO_BUFFER_SIZE=327680 select distinct file_name, initial_size from information_schema.files where file_type = 'UNDO LOG' and file_name is not null order by file_name; file_name initial_size undofile.dat 3276800 undofile02.dat 3276800 select tablespace_name, logfile_group_name, extent_size from information_schema.files where file_type = 'TABLESPACE'; tablespace_name logfile_group_name extent_size ts1 lg1 327680 select distinct file_name, initial_size, extent_size, total_extents, free_extents from information_schema.files where file_type = 'DATAFILE' order by file_name; file_name initial_size extent_size total_extents free_extents datafile.dat 3276800 327680 10 10 datafile02.dat 3604480 327680 11 11 alter tablespace ts1 drop datafile 'datafile02.dat' engine ndb; alter tablespace ts1 drop datafile 'datafile.dat' engine ndb; drop tablespace ts1 engine ndb; drop logfile group lg1 engine ndb;