DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7; drop database if exists mysqltest; CREATE TABLE t1 ( a INT KEY, b VARCHAR(10) ) ROW_FORMAT=FIXED ENGINE=NDB; ERROR HY000: Can't create table 'test.t1' (errno: 138) SHOW WARNINGS; Level Code Message Error 1476 Table storage engine 'ndbcluster' does not support the create option 'Row format FIXED incompatible with variable sized attribute' Error 1005 Can't create table 'test.t1' (errno: 138) CREATE TABLE t1 ( a INT KEY, b INT ) ENGINE=NDB; ForceVarPart: 1 DROP TABLE t1; CREATE TABLE t1 ( a INT KEY, b INT ) ROW_FORMAT=DEFAULT ENGINE=NDB; ForceVarPart: 1 DROP TABLE t1; CREATE TABLE t1 ( a INT KEY, b INT ) ROW_FORMAT=FIXED ENGINE=NDB; ForceVarPart: 0 DROP TABLE t1; CREATE TABLE t1 ( a INT KEY, b INT ) ROW_FORMAT=DYNAMIC ENGINE=NDB; ForceVarPart: 1 DROP TABLE t1; create table t1 (a int auto_increment primary key, b varchar(1000)) engine = ndb; insert into t1(b) values ('0123456789'); insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; insert into t1(b) select b from t1; select count(*) from t1; count(*) 1024 begin; update t1 set b = concat(b,b); update t1 set b = concat(b,b); update t1 set b = concat(b,b); update t1 set b = concat(b,b); update t1 set b = concat(b,b); rollback; select count(*),b from t1 group by b; count(*) b 1024 0123456789 drop table t1;