mariadb/mysql-test/t/derived.test

drop table if exists t1,t2,t3;
CREATE TABLE t1 (a int not null, b char (10) not null);
insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
CREATE TABLE t2 (a int not null, b char (10) not null);
insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
select t1.a,t3.y from t1,(select a as y from t2  where b='c') as t3  where t1.a = t3.y;
select t1.a,t3.a from t1,(select * from t2  where b='c') as t3  where t1.a = t3.a;
CREATE TABLE t3 (a int not null, b char (10) not null);
insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c');
select t1.a,t4.y from t1,(select t2.a as y from t2,(select t3.b from t3 where t3.a>3) as t5  where t2.b=t5.b) as t4  where t1.a = t4.y;
--error 1054
SELECT a FROM (SELECT 1 FROM (SELECT 1) a HAVING a=1) b;
--error 1052
SELECT a,b as a FROM (SELECT '1' as a,'2' as b) b  HAVING a=1;
SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=2;
SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=1;
--error 1054
SELECT 1 FROM (SELECT 1) a WHERE a=2;
--error 1054
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1  HAVING a=1) as a;
drop table if exists  t1.t2,t3;
select * from (select 1) as a;
select a from (select 1 as a) as b;
select 1 from (select 1) as a;
drop table if exists t1;
create table t1(a int not null, t char(8), index(a));
disable_query_log;
let $1 = 10000;
while ($1)
 {
  eval insert into t1 values ($1,'$1'); 
  dec $1;
 }
enable_query_log;
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a  ASC LIMIT 0,20;
drop table if exists  t1;
SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;