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mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

new subselect tests

LIMIT fixed
AVG & STD with subselect fixed
join_free fixed to be depended queries compatible
sort_default removed from SELECT_LEX
This commit is contained in:
bell@sanja.is.com.ua
2002-06-01 23:35:36 +03:00
parent 1684cfbc28
commit fb2cd68b5d
9 changed files with 75 additions and 29 deletions

View File

@ -1,3 +1,6 @@
select (select 2);
(select 2)
2
drop table if exists t1,t2,t3,t4;
create table t1 (a int);
create table t2 (a int, b int);
@ -26,18 +29,42 @@ select * from t2 where t2.a=(select a from t1);
a b
2 7
insert into t3 values (6),(7),(3);
select * from t2 where t2.b=(select a from t3 order by 1 limit 1);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
a b
1 7
2 7
select * from t2 where t2.b=(select a from t3 order by 1 limit 1)
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)
union (select * from t4 order by a limit 2) limit 3;
a b
1 7
2 7
3 8
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
a b
1 7
2 7
3 8
4 8
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1
7 2
select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
(select t3.a from t3 where a<8 order by 1 desc limit 1) a
7 2
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
a
2
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
a
select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
b (select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)
8 7.5000
8 6.0000
9 5.5000
drop table t1,t2,t3,t4;

View File

@ -1,5 +1,5 @@
#select (select 2);
select (select 2);
drop table if exists t1,t2,t3,t4;
create table t1 (a int);
create table t2 (a int, b int);
@ -17,7 +17,13 @@ insert into t3 values (6),(7),(3);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)
union (select * from t4 order by a limit 2) limit 3;
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
drop table t1,t2,t3,t4;