ndb_autodiscover3.result

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

drop table if exists t1, t2;
create table t1 (a int key) engine=ndbcluster;
begin;
insert into t1 values (1);
insert into t1 values (2);
ERROR HY000: Got temporary error 4025 'Node failure caused abort of transaction' from ndbcluster
commit;
ERROR HY000: Got error 4350 'Transaction already aborted' from ndbcluster
drop table t1;
create table t2 (a int, b int, primary key(a,b)) engine=ndbcluster;
insert into t2 values (1,1),(2,1),(3,1),(4,1),(5,1),(6,1),(7,1),(8,1),(9,1),(10,1);
select * from t2 order by a limit 3;
a	b
1	1
2	1
3	1
create table t2 (a int key) engine=ndbcluster;
insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
select * from t2 order by a limit 3;
a
1
2
3
select * from t2 order by a limit 3;
ERROR HY000: Can't lock file (errno: 241)
select * from t2 order by a limit 3;
a
1
2
3
show tables;
Tables_in_test
create table t2 (a int key) engine=ndbcluster;
insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
select * from t2 order by a limit 3;
a
1
2
3
select * from t2 order by a limit 3;
a
1
2
3
drop table t2;