DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7; drop database if exists mysqltest; CREATE TABLE t1 ( pk1 INT NOT NULL PRIMARY KEY, attr1 INT NOT NULL ) ENGINE=ndbcluster; begin; insert into t1 values(1,1); insert into t1 values(2,2); select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 1 select t1.attr1 from t1, t1 as t1x where t1.pk1 = t1x.pk1 + 1; attr1 2 rollback; select count(*) from t1; count(*) 0 select * from t1 where pk1 = 1; pk1 attr1 select t1.attr1 from t1, t1 as t1x where t1.pk1 = t1x.pk1 + 1; attr1 begin; insert into t1 values(1,1); insert into t1 values(2,2); commit; select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 1 select t1.attr1 from t1, t1 as t1x where t1.pk1 = t1x.pk1 + 1; attr1 2 begin; update t1 set attr1 = attr1 * 2; select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 2 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 2 4 1 2 rollback; select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 1 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 begin; update t1 set attr1 = attr1 * 2; commit; select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 2 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 2 4 1 2 begin; delete from t1 where attr1 = 2; select count(*) from t1; count(*) 1 select * from t1 where pk1 = 1; pk1 attr1 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 rollback; select count(*) from t1; count(*) 2 select * from t1 where pk1 = 1; pk1 attr1 1 2 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 2 4 1 2 begin; delete from t1 where attr1 = 2; commit; select count(*) from t1; count(*) 1 select * from t1 where pk1 = 1; pk1 attr1 select * from t1, t1 as t1x where t1x.attr1 = t1.attr1 - 2; pk1 attr1 pk1 attr1 DROP TABLE t1; CREATE TABLE t1 (id INT, id2 int) engine=ndbcluster; begin; insert into t1 values(1,1); insert into t1 values(2,2); select sum(id) from t1; sum(id) 3 select * from t1 where id = 1; id id2 1 1 select t1.id from t1, t1 as t1x where t1.id2 = t1x.id2 + 1; id 2 rollback; select sum(id) from t1; sum(id) NULL select * from t1 where id = 1; id id2 select t1.id from t1, t1 as t1x where t1.id2 = t1x.id2 + 1; id begin; insert into t1 values(1,1); insert into t1 values(2,2); commit; select sum(id) from t1; sum(id) 3 select * from t1 where id = 1; id id2 1 1 select t1.id from t1, t1 as t1x where t1.id2 = t1x.id2 + 1; id 2 begin; update t1 set id = id * 2; select sum(id) from t1; sum(id) 6 select * from t1 where id = 2; id id2 2 1 select * from t1, t1 as t1x where t1x.id = t1.id - 2; id id2 id id2 4 2 2 1 rollback; select sum(id) from t1; sum(id) 3 select * from t1 where id = 2; id id2 2 2 select * from t1, t1 as t1x where t1x.id = t1.id - 2; id id2 id id2 begin; update t1 set id = id * 2; commit; select sum(id) from t1; sum(id) 6 select * from t1 where id = 2; id id2 2 1 select * from t1, t1 as t1x where t1x.id = t1.id - 2; id id2 id id2 4 2 2 1 DROP TABLE t1; CREATE TABLE t2 ( a bigint unsigned NOT NULL PRIMARY KEY, b int unsigned not null, c int unsigned ) engine=ndbcluster; CREATE TABLE t3 ( a bigint unsigned NOT NULL, b bigint unsigned not null, c bigint unsigned, PRIMARY KEY(a) ) engine=ndbcluster; CREATE TABLE t4 ( a bigint unsigned NOT NULL, b bigint unsigned not null, c bigint unsigned NOT NULL, d int unsigned, PRIMARY KEY(a, b, c) ) engine=ndbcluster; select count(*) from t2; count(*) 0 select count(*) from t3; count(*) 0 select count(*) from t4; count(*) 0 select count(*) from t2; count(*) 100 select count(*) from t3; count(*) 100 select count(*) from t4; count(*) 100 begin; begin; drop table t2; drop table t3; drop table t4; CREATE TABLE t1 ( pk1 INT NOT NULL PRIMARY KEY, attr1 INT NOT NULL ) ENGINE=ndbcluster; create database mysqltest; use mysqltest; CREATE TABLE t2 ( a bigint unsigned NOT NULL PRIMARY KEY, b int unsigned not null, c int unsigned ) engine=ndbcluster; begin; insert into test.t1 values(1,1); insert into t2 values(1,1,1); insert into test.t1 values(2,2); insert into t2 values(2,2,2); select count(*) from test.t1; count(*) 2 select count(*) from t2; count(*) 2 select * from test.t1 where pk1 = 1; pk1 attr1 1 1 select * from t2 where a = 1; a b c 1 1 1 select test.t1.attr1 from test.t1, test.t1 as t1x where test.t1.pk1 = t1x.pk1 + 1; attr1 2 select t2.a from t2, t2 as t2x where t2.a = t2x.a + 1; a 2 select test.t1.pk1, a from test.t1,t2 where b > test.t1.attr1; pk1 a 1 2 rollback; select count(*) from test.t1; count(*) 0 select count(*) from t2; count(*) 0 drop table test.t1, t2; drop database mysqltest;