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Test ndb_restore ability to ignore some schema differences use test; create table t1 ( a int, b int, c int, d int, e varchar(200), f int, g char(20), h text, i int, primary key(a,b)) TABLESPACE ts1 engine = ndb; insert into t1 values (1, 1, 1, 1, '1', 1, 'Rankin', 'Rebus', 1), (2, 2, 2, 2, '2', 2, 'Doyle', 'Holmes', 2), (3, 3, 3, 3, '3', 3, 'Burns', 'Mouse', 3), (4, 4, 4, 4, '4', 4, 'Gibbon', 'Chris', 4), (5, 5, 5, 5, '5', 5, 'Gray', 'Lanark', 5); select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 Backing up data drop table t1; Normal restore show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) DEFAULT NULL, `d` int(11) DEFAULT NULL, `e` varchar(200) DEFAULT NULL, `f` int(11) DEFAULT NULL, `g` char(20) DEFAULT NULL, `h` text, `i` int(11) DEFAULT NULL, PRIMARY KEY (`a`,`b`) ) /*!50100 TABLESPACE `ts1` */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 truncate t1; Column name change, should fail without --exclude-missing-columns alter table t1 change c cc int; Retry with --exclude-missing-columns select * from t1 order by a; a b cc d e f g h i 1 1 NULL 1 1 1 Rankin Rebus 1 2 2 NULL 2 2 2 Doyle Holmes 2 3 3 NULL 3 3 3 Burns Mouse 3 4 4 NULL 4 4 4 Gibbon Chris 4 5 5 NULL 5 5 5 Gray Lanark 5 truncate t1; Column type change, should fail alter table t1 change cc c bigint; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` bigint(20) DEFAULT NULL, `d` int(11) DEFAULT NULL, `e` varchar(200) DEFAULT NULL, `f` int(11) DEFAULT NULL, `g` char(20) DEFAULT NULL, `h` text, `i` int(11) DEFAULT NULL, PRIMARY KEY (`a`,`b`) ) /*!50100 TABLESPACE `ts1` */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 Retry with --promote-attributes select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 truncate t1; Column nullability change, should fail alter table t1 change c c int not null; alter table t1 change c c int; Column length change, should fail alter table t1 change g g char(22); Character set difference, should fail alter table t1 change g g char(20) character set binary; alter table t1 change g g char(20); AutoIncrement difference, should fail alter table t1 change b b int auto_increment; Default difference, should pass alter table t1 change b b int default 22; select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 truncate t1; alter table t1 change b b int; ArrayType difference, should fail alter table t1 change e e varchar(300); alter table t1 change e e varchar(200); StorageType difference, should pass 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 12M ENGINE NDB; alter table t1 change i i int storage disk; select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 alter table t1 change i i int storage memory; truncate t1; Dynamic property difference, should pass alter table t1 change c c int column_format dynamic; select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 drop table t1; alter tablespace ts1 drop datafile 'datafile.dat' engine=ndb; drop tablespace ts1 engine=ndb; drop logfile group lg1 engine=ndb; Different PK columns, should fail create table t1 ( a int, b int, c int, d int, e varchar(200), f int, g char(20), h text, i int, primary key (a)) TABLESPACE ts1 engine = ndb; drop table t1; Different distribution keys, should pass create table t1 ( a int, b int, c int, d int, e varchar(200), f int, g char(20), h text, i int, primary key(a,b)) TABLESPACE ts1 engine = ndb partition by key(a); select * from t1 order by a; a b c d e f g h i 1 1 1 1 1 1 Rankin Rebus 1 2 2 2 2 2 2 Doyle Holmes 2 3 3 3 3 3 3 Burns Mouse 3 4 4 4 4 4 4 Gibbon Chris 4 5 5 5 5 5 5 Gray Lanark 5 drop table t1;