ndb_subquery.test

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.

-- source include/have_ndb.inc
-- source include/not_embedded.inc

--disable_warnings
drop table if exists t1;
drop table if exists t2;
--enable_warnings

##########
# bug#5367
create table t1 (p int not null primary key, u int not null, o int not null,
unique (u), key(o)) engine=ndb;

create table t2 (p int not null primary key, u int not null, o int not null,
unique (u), key(o)) engine=ndb;

insert into t1 values (1,1,1),(2,2,2),(3,3,3);
insert into t2 values (1,1,1),(2,2,2),(3,3,3), (4,4,4), (5,5,5);

# Use pk
explain select * from t2 where p NOT IN (select p from t1);
select * from t2 where p NOT IN (select p from t1) order by p;

# Use unique index
explain select * from t2 where p NOT IN (select u from t1);
select * from t2 where p NOT IN (select u from t1) order by p;

# Use ordered index
explain select * from t2 where p NOT IN (select o from t1);
select * from t2 where p NOT IN (select o from t1) order by p;

# Use scan
explain select * from t2 where p NOT IN (select p+0 from t1);
select * from t2 where p NOT IN (select p+0 from t1) order by p;

drop table t1;
drop table t2;
# bug#5367
##########

# End of 4.1 tests

#
# bug#11205
#
create table t1 (p int not null primary key, u int not null) engine=ndb;
insert into t1 values (1,1),(2,2),(3,3);

create table t2 as 
select t1.*
from t1 as t1, t1 as t2, t1 as t3, t1 as t4, t1 as t5, t1 as t6, t1 as t7, t1 as t8
where t1.u = t2.u
  and t2.u = t3.u
  and t3.u = t4.u
  and t4.u = t5.u
  and t5.u = t6.u
  and t6.u = t7.u
  and t7.u = t8.u;

select * from t2 order by 1;

drop table t1;
drop table t2;