path: root/mysql-test/main/subselect.test

#
# NOTE. Please do not switch connection inside this test.
#       subselect.test is included from several other test cases which set
#       explicit session properties that must be preserved throughout the test.
#       If you need to use a dedicated connection for a test case,
#       close the new connection and switch back to "default" as soon
#       as possible.
#
# Initialise
--disable_warnings
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
--enable_warnings

call mtr.add_suppression("Sort aborted.*");

set @subselect_tmp=@@optimizer_switch;
set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
                              "semijoin=on,firstmatch=on,loosescan=on,semijoin_with_cache=on,partial_match_rowid_merge=off,partial_match_table_scan=off");

if (`select @join_cache_level_for_subselect_test is null`)
{
  set join_cache_level=1;
}
if (`select @join_cache_level_for_subselect_test is not null`)
{
  set join_cache_level=@join_cache_level_for_subselect_test;
}
SET optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
SET optimizer_use_condition_selectivity=4;

select (select 2);

--enable_prepare_warnings
explain extended select (select 2);
SELECT (SELECT 1) UNION SELECT (SELECT 2);
explain extended SELECT (SELECT 1) UNION SELECT (SELECT 2);
SELECT (SELECT (SELECT 0 UNION SELECT 0));
explain extended SELECT (SELECT (SELECT 0 UNION SELECT 0));
--disable_prepare_warnings

-- error ER_ILLEGAL_REFERENCE
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
-- error ER_ILLEGAL_REFERENCE
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
-- error ER_ILLEGAL_REFERENCE
SELECT (SELECT a) as a;
EXPLAIN EXTENDED SELECT 1 FROM (SELECT 1 as a) as b  HAVING (SELECT a)=1;
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
-- error ER_BAD_FIELD_ERROR
SELECT (SELECT 1), a;
SELECT 1 as a FROM (SELECT 1) as b HAVING (SELECT a)=1;
-- error ER_BAD_FIELD_ERROR
SELECT 1 FROM (SELECT (SELECT a) b) c;
SELECT * FROM (SELECT 1 as id) b WHERE id IN (SELECT * FROM (SELECT 1 as id) c ORDER BY id);
-- error ER_OPERAND_COLUMNS
SELECT * FROM (SELECT 1) a  WHERE 1 IN (SELECT 1,1);
SELECT 1 IN (SELECT 1);
SELECT 1 FROM (SELECT 1 as a) b WHERE 1 IN (SELECT (SELECT a));
-- error ER_PARSE_ERROR
select (SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE(1));
-- error ER_SUBQUERIES_NOT_SUPPORTED
SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE((SELECT 1));
-- error ER_BAD_FIELD_ERROR
SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NULL;
-- error ER_BAD_FIELD_ERROR
SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NOT NULL;
SELECT (SELECT 1,2,3) = ROW(1,2,3);
SELECT (SELECT 1,2,3) = ROW(1,2,1);
SELECT (SELECT 1,2,3) < ROW(1,2,1);
SELECT (SELECT 1,2,3) > ROW(1,2,1);
SELECT (SELECT 1,2,3) = ROW(1,2,NULL);
SELECT ROW(1,2,3) = (SELECT 1,2,3);
SELECT ROW(1,2,3) = (SELECT 1,2,1);
SELECT ROW(1,2,3) < (SELECT 1,2,1);
SELECT ROW(1,2,3) > (SELECT 1,2,1);
#enable after fix MDEV-28585
--disable_view_protocol
SELECT ROW(1,2,3) = (SELECT 1,2,NULL);
--enable_view_protocol
SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'a') AS m;
SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'b') AS m;
SELECT (SELECT 1.5,2,'a') = ROW('1.5b',2,'b') AS m;
SELECT (SELECT 'b',2,'a') = ROW(1.5,2,'a') AS m;
SELECT (SELECT 1.5,2,'a') = ROW(1.5,'2','a') AS m;
SELECT (SELECT 1.5,'c','a') = ROW(1.5,2,'a') AS m;

-- error ER_OPERAND_COLUMNS
SELECT (SELECT * FROM (SELECT 'test' a,'test' b) a);

SELECT 1 as a,(SELECT a+a) b,(SELECT b);

create table t1 (a int);
create table t2 (a int, b int);
create table t3 (a int);
create table t4 (a int not null, b int not null);
insert into t1 values (2);
insert into t2 values (1,7),(2,7);
insert into t4 values (4,8),(3,8),(5,9);
-- error ER_ILLEGAL_REFERENCE
select (select a from t1 where t1.a = a1) as a2, (select b from t2 where t2.b=a2) as a1;
select (select a from t1 where t1.a=t2.a), a from t2;
select (select a from t1 where t1.a=t2.b), a from t2;
select (select a from t1), a, (select 1 union select 2 limit 1) from t2;
select (select a from t3), a from t2;
select * from t2 where t2.a=(select a from t1);
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) order by a 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);
explain extended (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;
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='derived_merge=off,derived_with_keys=off';
explain extended 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;
set optimizer_switch=@tmp_optimizer_switch;
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) as m
from t4;
explain extended
select
  b,
  (select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) as m
from t4;
select * from t3 where exists (select * from t2 where t2.b=t3.a);
select * from t3 where not exists (select * from t2 where t2.b=t3.a);
select * from t3 where a in (select b from t2);
select * from t3 where a not in (select b from t2);
select * from t3 where a = some (select b from t2);
select * from t3 where a <> any (select b from t2);

# Rewrite: select * from t3 where not exists (select b from t2 where a <> b);
select * from t3 where a = all (select b from t2);

select * from t3 where a <> all (select b from t2);
insert into t2 values (100, 5);
select * from t3 where a < any (select b from t2);
select * from t3 where a < all (select b from t2);
select * from t3 where a >= any (select b from t2);
explain extended select * from t3 where a >= any (select b from t2);
select * from t3 where a >= all (select b from t2);
delete from t2 where a=100;
-- error ER_OPERAND_COLUMNS
select * from t3 where a in (select a,b from t2);
-- error ER_OPERAND_COLUMNS
select * from t3 where a in (select * from t2);
insert into t4 values (12,7),(1,7),(10,9),(9,6),(7,6),(3,9),(1,10);
# empty set

select b,max(a) as ma from t4 group by b having b < (select max(t2.a) from t2 where t2.b=t4.b);
insert into t2 values (2,10);
select b,max(a) as ma from t4 group by b having ma < (select max(t2.a) from t2 where t2.b=t4.b);
delete from t2 where a=2 and b=10;
select b,max(a) as ma from t4 group by b having b >= (select max(t2.a) from t2 where t2.b=t4.b);
create table t5 (a int);

select
 (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) as m,
 a
from t2;
insert into t5 values (5);
select
  (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) as m,
  a
from t2;
insert into t5 values (2);
select
  (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) as m,
  a
from t2;
explain extended
select
  (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) as m,
  a
from t2;

-- error ER_SUBQUERY_NO_1_ROW
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
create table t7( uq int primary key, name char(25));
insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into t6 values (1,1),(1,2),(2,2),(1,3);
select * from t6 where exists (select * from t7 where uq = clinic_uq);
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);

# not unique fields
-- error ER_NON_UNIQ_ERROR
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);

# different tipes & group functions
drop table t1,t2,t3;

CREATE TABLE t3 (a varchar(20),b char(1) NOT NULL default '0');
INSERT INTO t3 VALUES ('W','a'),('A','c'),('J','b');
CREATE TABLE t2 (a varchar(20),b int NOT NULL default '0');
INSERT INTO t2 VALUES ('W','1'),('A','3'),('J','2');
CREATE TABLE t1 (a varchar(20),b date NOT NULL default '0000-00-00');
INSERT INTO t1 VALUES ('W','1732-02-22'),('A','1735-10-30'),('J','1743-04-13');
SELECT * FROM t1 WHERE b = (SELECT MIN(b) FROM t1);
SELECT * FROM t2 WHERE b = (SELECT MIN(b) FROM t2);
SELECT * FROM t3 WHERE b = (SELECT MIN(b) FROM t3);

CREATE TABLE `t8` (
  `pseudo` varchar(35) character set latin1 NOT NULL default '',
  `email` varchar(60) character set latin1 NOT NULL default '',
  PRIMARY KEY  (`pseudo`),
  UNIQUE KEY `email` (`email`)
) ENGINE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;

INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
SELECT pseudo FROM t8 WHERE pseudo=(SELECT * FROM t8 WHERE
pseudo='joce');
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
-- error ER_SUBQUERY_NO_1_ROW
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo LIKE '%joce%');

drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;

#searchconthardwarefr3 forumconthardwarefr7
CREATE TABLE `t1` (
  `topic` mediumint(8) unsigned NOT NULL default '0',
  `date` date NOT NULL default '0000-00-00',
  `pseudo` varchar(35) character set latin1 NOT NULL default '',
  PRIMARY KEY  (`pseudo`,`date`,`topic`),
  KEY `topic` (`topic`)
) ENGINE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN EXTENDED SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN EXTENDED SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
-- error ER_SUBQUERY_NO_1_ROW
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
drop table t1;

#forumconthardwarefr7 searchconthardwarefr7
CREATE TABLE `t1` (
  `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
  `maxnumrep` int(10) unsigned NOT NULL default '0',
  PRIMARY KEY  (`numeropost`),
  UNIQUE KEY `maxnumrep` (`maxnumrep`)
) ENGINE=MyISAM ROW_FORMAT=FIXED;

INSERT INTO t1 (numeropost,maxnumrep) VALUES (40143,1),(43506,2);

CREATE TABLE `t2` (
      `mot` varchar(30) NOT NULL default '',
      `topic` mediumint(8) unsigned NOT NULL default '0',
      `date` date NOT NULL default '0000-00-00',
      `pseudo` varchar(35) NOT NULL default '',
       PRIMARY KEY  (`mot`,`pseudo`,`date`,`topic`)
    ) ENGINE=MyISAM ROW_FORMAT=DYNAMIC;

INSERT INTO t2 (mot,topic,date,pseudo) VALUES ('joce','40143','2002-10-22','joce'), ('joce','43506','2002-10-22','joce');
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
SELECT numeropost,maxnumrep FROM t1 WHERE exists (SELECT 1 FROM t2 WHERE (mot='joce') AND date >= '2002-10-21' AND t1.numeropost = t2.topic) ORDER BY maxnumrep DESC LIMIT 0, 20;
-- error ER_BAD_FIELD_ERROR
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) b;
-- error ER_BAD_FIELD_ERROR
SELECT 1 IN (SELECT 1 FROM t2 HAVING a);

SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic);
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
SELECT * from t2 where topic IN (SELECT SUM(topic) FROM t1);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
SELECT
  *,
  topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100) AS m
FROM t2;
SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT
 *,
 topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000) AS m
FROM t2;
drop table t1,t2;

#forumconthardwarefr7
CREATE TABLE `t1` (
  `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
  `maxnumrep` int(10) unsigned NOT NULL default '0',
  PRIMARY KEY  (`numeropost`),
  UNIQUE KEY `maxnumrep` (`maxnumrep`)
) ENGINE=MyISAM ROW_FORMAT=FIXED;

INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
-- error ER_SUBQUERY_NO_1_ROW
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
-- error ER_SUBQUERY_NO_1_ROW
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
show warnings;
drop table t1;

create table t1 (a int);
insert into t1 values (1),(2),(3);
(select * from t1) union (select * from t1) order by (select a from t1 limit 1);
drop table t1;

#iftest
CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
INSERT INTO t1 VALUES ();
-- error ER_SUBQUERY_NO_1_ROW
SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) a HAVING field='b');
drop table t1;

# threadhardwarefr7
CREATE TABLE `t1` (
  `numeropost` mediumint(8) unsigned NOT NULL default '0',
  `numreponse` int(10) unsigned NOT NULL auto_increment,
  `pseudo` varchar(35) NOT NULL default '',
  PRIMARY KEY  (`numeropost`,`numreponse`),
  UNIQUE KEY `numreponse` (`numreponse`),
  KEY `pseudo` (`pseudo`,`numeropost`)
) ENGINE=MyISAM;
-- error ER_ILLEGAL_REFERENCE
SELECT (SELECT numeropost FROM t1 HAVING numreponse=a),numreponse FROM (SELECT * FROM t1) as a;
-- error ER_BAD_FIELD_ERROR
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT * FROM t1) as a;
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
-- error ER_SUBQUERY_NO_1_ROW
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
-- error ER_SUBQUERY_NO_1_ROW
SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
drop table t1;

CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
SELECT 1 FROM (SELECT a FROM t1) b HAVING (SELECT b.a)=1;
drop table t1;

#update with subselects
create table t1 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t1 values (0, 10),(1, 11),(2, 12);
insert into t2 values (1, 21),(2, 22),(3, 23);
select * from t1;
-- error ER_SUBQUERY_NO_1_ROW
update t1 set b= (select b from t2);
update t1 set b= (select b from t2 where t1.a = t2.a);
select * from t1;
drop table t1, t2;

#delete with subselects
create table t1 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t1 values (0, 10),(1, 11),(2, 12);
insert into t2 values (1, 21),(2, 12),(3, 23);
select * from t1;
select * from t1 where b = (select b from t2 where t1.a = t2.a);
# Works since MDEV-12137
# previously : ER_UPDATE_TABLE_USED
--enable_info
delete from t1 where b in (select b from t1);
--disable_info
insert into t1 values (0, 10),(1, 11),(2, 12);
-- error ER_SUBQUERY_NO_1_ROW
delete from t1 where b = (select b from t2);
delete from t1 where b = (select b from t2 where t1.a = t2.a);
select * from t1 order by b;
drop table t1, t2;

#multi-delete with subselects

create table t11 (a int NOT NULL, b int, primary key (a));
create table t12 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t11 values (0, 10),(1, 11),(2, 12);
insert into t12 values (33, 10),(22, 11),(2, 12);
insert into t2 values (1, 21),(2, 12),(3, 23);
select * from t11;
select * from t12;
-- error ER_UPDATE_TABLE_USED
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t12 where t11.a = t12.a);
-- error ER_SUBQUERY_NO_1_ROW
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2);
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2 where t11.a = t2.a);
select * from t11;
select * from t12;
drop table t11, t12, t2;

#insert with subselects
CREATE TABLE t1 (x int) ENGINE=MyISAM;
create table t2 (a int) ENGINE=MyISAM;
create table t3 (b int);
insert into t2 values (1);
insert into t3 values (1),(2);
-- error ER_UPDATE_TABLE_USED
INSERT INTO t1 (x) VALUES ((SELECT x FROM t1));
-- error ER_SUBQUERY_NO_1_ROW
INSERT INTO t1 (x) VALUES ((SELECT b FROM t3));
INSERT INTO t1 (x) VALUES ((SELECT a FROM t2));
select * from t1;
insert into t2 values (1);
let $row_count_before= `SELECT COUNT(*) FROM t1`;
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
let $wait_condition= SELECT COUNT(*) <> $row_count_before FROM t1;
--source include/wait_condition.inc
select * from t1;
INSERT INTO t1 (x) select (SELECT SUM(a)+1 FROM t2) FROM t2;
select * from t1;
# After this, only data based on old t1 records should have been added.
INSERT INTO t1 (x) select (SELECT SUM(x)+2 FROM t1) FROM t2;
select * from t1;
let $row_count_before= `SELECT COUNT(*) FROM t1`;
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
let $wait_condition= SELECT COUNT(*) <> $row_count_before FROM t1;
--source include/wait_condition.inc
select * from t1;
#
#TODO: should be uncommented after Bug#380 fix pushed
#INSERT INTO t1 (x) SELECT (SELECT SUM(a)+b FROM t2) from t3;
#select * from t1;
drop table t1, t2, t3;

#replace with subselects
CREATE TABLE t1 (x int not null, y int, primary key (x)) ENGINE=MyISAM;
create table t2 (a int);
create table t3 (a int);
insert into t2 values (1);
insert into t3 values (1),(2);
select * from t1;
-- error ER_UPDATE_TABLE_USED
replace into t1 (x, y) VALUES ((SELECT x FROM t1), (SELECT a+1 FROM t2));
-- error ER_SUBQUERY_NO_1_ROW
replace into t1 (x, y) VALUES ((SELECT a FROM t3), (SELECT a+1 FROM t2));
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+1 FROM t2));
select * from t1;
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+2 FROM t2));
select * from t1;
let $row_count_before= `SELECT COUNT(*) FROM t1`;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a FROM t2));
# We get one additional row
let $wait_condition= SELECT COUNT(*) <> $row_count_before FROM t1;
--source include/wait_condition.inc
select * from t1;
let $row_count_before= `SELECT COUNT(*) FROM t1 WHERE y = 2`;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a+1 FROM t2));
let $wait_condition= SELECT COUNT(*) <> $row_count_before FROM t1 WHERE y = 2;
--source include/wait_condition.inc
select * from t1;
replace LOW_PRIORITY into t1 (x, y) VALUES ((SELECT a+1 FROM t2), (SELECT a FROM t2));
select * from t1;
drop table t1, t2, t3;

-- error ER_NO_TABLES_USED
SELECT * FROM (SELECT 1) b WHERE 1 IN (SELECT *);

CREATE TABLE t2 (id int(11) default NULL, KEY id (id)) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES (1),(2);
SELECT * FROM t2 WHERE id IN (SELECT 1);
--enable_prepare_warnings
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
--disable_prepare_warnings
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
--enable_prepare_warnings
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
--disable_prepare_warnings
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
-- error ER_UPDATE_TABLE_USED
INSERT INTO t2 VALUES ((SELECT * FROM t2));
-- error ER_UPDATE_TABLE_USED
INSERT INTO t2 VALUES ((SELECT id FROM t2));
SELECT * FROM t2;
CREATE TABLE t1 (id int(11) default NULL, KEY id (id)) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 values (1),(1);
-- error ER_SUBQUERY_NO_1_ROW
UPDATE t2 SET id=(SELECT * FROM t1);
drop table t2, t1;

#enable after fix MDEV-28585
--disable_view_protocol
#NULL test
create table t1 (a int);
insert into t1 values (1),(2),(3);
select 1 IN (SELECT * from t1);
select 10 IN (SELECT * from t1);
select NULL IN (SELECT * from t1);
update t1 set a=NULL where a=2;
select 1 IN (SELECT * from t1);
select 3 IN (SELECT * from t1);
select 10 IN (SELECT * from t1);
select 1 > ALL (SELECT * from t1);
select 10 > ALL (SELECT * from t1);
select 1 > ANY (SELECT * from t1);
select 10 > ANY (SELECT * from t1);
drop table t1;
create table t1 (a varchar(20));
insert into t1 values ('A'),('BC'),('DEF');
select 'A' IN (SELECT * from t1);
select 'XYZS' IN (SELECT * from t1);
select NULL IN (SELECT * from t1);
update t1 set a=NULL where a='BC';
select 'A' IN (SELECT * from t1);
select 'DEF' IN (SELECT * from t1);
select 'XYZS' IN (SELECT * from t1);
select 'A' > ALL (SELECT * from t1);
select 'XYZS' > ALL (SELECT * from t1);
select 'A' > ANY (SELECT * from t1);
select 'XYZS' > ANY (SELECT * from t1);
drop table t1;
create table t1 (a float);
insert into t1 values (1.5),(2.5),(3.5);
select 1.5 IN (SELECT * from t1);
select 10.5 IN (SELECT * from t1);
select NULL IN (SELECT * from t1);
update t1 set a=NULL where a=2.5;
select 1.5 IN (SELECT * from t1);
select 3.5 IN (SELECT * from t1);
select 10.5 IN (SELECT * from t1);
select 1.5 > ALL (SELECT * from t1);
select 10.5 > ALL (SELECT * from t1);
select 1.5 > ANY (SELECT * from t1);
update t1 set a=NULL where a=2.5;
select 1.5 IN (SELECT * from t1);
select 3.5 IN (SELECT * from t1);
select 10.5 IN (SELECT * from t1);
select 1.5 > ALL (SELECT * from t1);
select 10.5 > ALL (SELECT * from t1);
select 1.5 > ANY (SELECT * from t1);
select 10.5 > ANY (SELECT * from t1);
--enable_prepare_warnings
--enable_view_protocol
explain extended select (select a+1) from t1;
explain extended select (select a+1) from t1;
explain extended select (select a+1) from t1;
--disable_prepare_warnings
select (select a+1) from t1;
drop table t1;

#
# Null with keys
#

CREATE TABLE t1 (a int(11) NOT NULL default '0', PRIMARY KEY  (a));
CREATE TABLE t2 (a int(11) default '0', INDEX (a));
INSERT INTO t1 VALUES (1),(2),(3),(4);
INSERT INTO t2 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
drop table t1,t2,t3;

--echo # check correct NULL Processing for normal IN/ALL/ANY
--echo # and 2 ways of max/min optimization
create table t1 (a int);
insert into t1 values (1), (100), (NULL), (1000);
create table t2 (a int not null);

--echo # subselect returns empty set (for NULL and non-NULL left part)
select a, a in (select * from t2) from t1;
select a, a > any (select * from t2) from t1;
select a, a > all (select * from t2) from t1;
select a from t1 where a in (select * from t2);
select a from t1 where a > any (select * from t2);
select a from t1 where a > all (select * from t2);
select a from t1 where a in (select * from t2 group by a);
select a from t1 where a > any (select * from t2 group by a);
select a from t1 where a > all (select * from t2 group by a);

insert into t2 values (1),(200);

--echo # sebselect returns non-empty set without NULLs
select a, a in (select * from t2) from t1;
select a, a > any (select * from t2) from t1;
select a, a > all (select * from t2) from t1;
select a from t1 where a in (select * from t2);
select a from t1 where a > any (select * from t2);
select a from t1 where a > all (select * from t2);
select a from t1 where a in (select * from t2 group by a);
select a from t1 where a > any (select * from t2 group by a);
select a from t1 where a > all (select * from t2 group by a);

drop table t2;
create table t2 (a int);
insert into t2 values (1),(NULL),(200);

--echo # sebselect returns non-empty set with NULLs
select a, a in (select * from t2) from t1;
select a, a > any (select * from t2) from t1;
select a, a > all (select * from t2) from t1;
select a from t1 where a in (select * from t2);
select a from t1 where a > any (select * from t2);
select a from t1 where a > all (select * from t2);
select a from t1 where a in (select * from t2 group by a);
select a from t1 where a > any (select * from t2 group by a);
select a from t1 where a > all (select * from t2 group by a);


drop table t1, t2;

#LIMIT is not supported now
create table t1 (a float);
-- error ER_NOT_SUPPORTED_YET
select 10.5 IN (SELECT * from t1 LIMIT 1);
-- error ER_PARSE_ERROR
select 10.5 IN (SELECT * from t1 LIMIT 1 UNION SELECT 1.5);
-- error ER_NOT_SUPPORTED_YET
select 10.5 IN (SELECT * from t1 UNION SELECT 1.5 LIMIT 1);
drop table t1;

create table t1 (a int, b int, c varchar(10));
create table t2 (a int);
insert into t1 values (1,2,'a'),(2,3,'b'),(3,4,'c');
insert into t2 values (1),(2),(NULL);
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,2,'a'),(select c from t1 where a=t2.a)  from t2;
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,3,'b'),(select c from t1 where a=t2.a) from t2;
select a, (select a,b,c from t1 where t1.a=t2.a) = ROW(a,4,'c'),(select c from t1 where a=t2.a) from t2;
drop table t1,t2;

create table t1 (a int, b real, c varchar(10));
insert into t1 values (1, 1, 'a'), (2,2,'b'), (NULL, 2, 'b');
select ROW(1, 1, 'a') IN (select a,b,c from t1);
select ROW(1, 2, 'a') IN (select a,b,c from t1);
select ROW(1, 1, 'a') IN (select b,a,c from t1);
select ROW(1, 1, 'a') IN (select a,b,c from t1 where a is not null);
select ROW(1, 2, 'a') IN (select a,b,c from t1 where a is not null);
select ROW(1, 1, 'a') IN (select b,a,c from t1 where a is not null);
select ROW(1, 1, 'a') IN (select a,b,c from t1 where c='b' or c='a');
select ROW(1, 2, 'a') IN (select a,b,c from t1 where c='b' or c='a');
select ROW(1, 1, 'a') IN (select b,a,c from t1 where c='b' or c='a');
-- error ER_NOT_SUPPORTED_YET
select ROW(1, 1, 'a') IN (select b,a,c from t1 limit 2);
drop table t1;

#
# DO & SET
#
create table t1 (a int);
insert into t1 values (1);
do @a:=(SELECT a from t1);
select @a;
set @a:=2;
set @a:=(SELECT a from t1);
select @a;
drop table t1;
-- error ER_NO_SUCH_TABLE
do (SELECT a from t1);
-- error ER_NO_SUCH_TABLE
set @a:=(SELECT a from t1);

CREATE TABLE t1 (a int, KEY(a));
HANDLER t1 OPEN;
-- error ER_SUBQUERIES_NOT_SUPPORTED
HANDLER t1 READ a=((SELECT 1));
HANDLER t1 CLOSE;
drop table t1;

create table t1 (a int);
create table t2 (b int);
insert into t1 values (1),(2);
insert into t2 values (1);
select a from t1 where a in (select a from t1 where a in (select b from t2));
drop table t1, t2;

create table t1 (a int, b int);
create table t2 like t1;
insert into t1 values (1,2),(1,3),(1,4),(1,5);
insert into t2 values (1,2),(1,3);
select * from t1 where row(a,b) in (select a,b from t2);
drop table t1, t2;

CREATE TABLE `t1` (`i` int(11) NOT NULL default '0',PRIMARY KEY  (`i`)) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1);
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
select * from t1;
drop table t1;

#test of uncacheable subqueries
CREATE TABLE t1 (a int(1));
EXPLAIN EXTENDED SELECT (SELECT RAND() FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
drop table t1;


CREATE TABLE `t1` (
  `mot` varchar(30) character set latin1 NOT NULL default '',
  `topic` mediumint(8) unsigned NOT NULL default '0',
  `date` date NOT NULL default '0000-00-00',
  `pseudo` varchar(35) character set latin1 NOT NULL default '',
  PRIMARY KEY  (`mot`,`pseudo`,`date`,`topic`),
  KEY `pseudo` (`pseudo`,`date`,`topic`),
  KEY `topic` (`topic`)
) ENGINE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;

CREATE TABLE `t2` (
  `mot` varchar(30) character set latin1 NOT NULL default '',
  `topic` mediumint(8) unsigned NOT NULL default '0',
  `date` date NOT NULL default '0000-00-00',
  `pseudo` varchar(35) character set latin1 NOT NULL default '',
  PRIMARY KEY  (`mot`,`pseudo`,`date`,`topic`),
  KEY `pseudo` (`pseudo`,`date`,`topic`),
  KEY `topic` (`topic`)
) ENGINE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;

CREATE TABLE `t3` (
  `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
  `maxnumrep` int(10) unsigned NOT NULL default '0',
  PRIMARY KEY  (`numeropost`),
  UNIQUE KEY `maxnumrep` (`maxnumrep`)
) ENGINE=MyISAM CHARSET=latin1;
INSERT IGNORE INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');

INSERT IGNORE INTO t2 VALUES ('joce','1','','joce'),('test','2','','test');

INSERT INTO t3 VALUES (1,1);

SELECT DISTINCT topic FROM t2 WHERE NOT EXISTS(SELECT * FROM t3 WHERE
numeropost=topic);
select * from t1;
DELETE FROM t1 WHERE topic IN (SELECT DISTINCT topic FROM t2 WHERE NOT
EXISTS(SELECT * FROM t3 WHERE numeropost=topic));
select * from t1;

drop table t1, t2, t3;

SELECT * FROM (SELECT 1 as a,(SELECT a)) a;
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT 1)) a;
SHOW CREATE TABLE t1;
drop table t1;
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT a)) a;
SHOW CREATE TABLE t1;
drop table t1;
CREATE TABLE t1 SELECT * FROM (SELECT 1 as a,(SELECT a+0)) a;
SHOW CREATE TABLE t1;
drop table t1;
CREATE TABLE t1 SELECT (SELECT 1 as a UNION SELECT 1+1 limit 1,1) as a;
select * from t1;
SHOW CREATE TABLE t1;
drop table t1;

create table t1 (a int);
insert into t1 values (1), (2), (3);
explain extended select a,(select (select rand() from t1 limit 1)  from t1 limit 1)
from t1;
drop table t1;

#
# error in IN
#
-- error ER_NO_SUCH_TABLE
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country  where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);

#
# complex subquery
#

CREATE TABLE t1 (
  ID int(11) NOT NULL auto_increment,
  name char(35) NOT NULL default '',
  t2 char(3) NOT NULL default '',
  District char(20) NOT NULL default '',
  Population int(11) NOT NULL default '0',
  PRIMARY KEY  (ID)
) ENGINE=MyISAM;

INSERT INTO t1 VALUES (130,'Sydney','AUS','New South Wales',3276207);
INSERT INTO t1 VALUES (131,'Melbourne','AUS','Victoria',2865329);
INSERT INTO t1 VALUES (132,'Brisbane','AUS','Queensland',1291117);

CREATE TABLE t2 (
  Code char(3) NOT NULL default '',
  Name char(52) NOT NULL default '',
  Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL default 'Asia',
  Region char(26) NOT NULL default '',
  SurfaceArea float(10,2) NOT NULL default '0.00',
  IndepYear smallint(6) default NULL,
  Population int(11) NOT NULL default '0',
  LifeExpectancy float(3,1) default NULL,
  GNP float(10,2) default NULL,
  GNPOld float(10,2) default NULL,
  LocalName char(45) NOT NULL default '',
  GovernmentForm char(45) NOT NULL default '',
  HeadOfState char(60) default NULL,
  Capital int(11) default NULL,
  Code2 char(2) NOT NULL default '',
  PRIMARY KEY  (Code)
) ENGINE=MyISAM;

INSERT INTO t2 VALUES ('AUS','Australia','Oceania','Australia and New Zealand',7741220.00,1901,18886000,79.8,351182.00,392911.00,'Australia','Constitutional Monarchy, Federation','Elisabeth II',135,'AU');
INSERT INTO t2 VALUES ('AZE','Azerbaijan','Asia','Middle East',86600.00,1991,7734000,62.9,4127.00,4100.00,'Azärbaycan','Federal Republic','Heydär Äliyev',144,'AZ');

select t2.Continent, t1.Name, t1.Population from t2 LEFT JOIN t1 ON t2.Code = t1.t2  where t1.Population IN (select max(t1.Population) AS Population from t1, t2 where t1.t2 = t2.Code group by Continent);

drop table t1, t2;

#
# constants in IN
#
CREATE TABLE `t1` (
  `id` mediumint(8) unsigned NOT NULL auto_increment,
  `pseudo` varchar(35) character set latin1 NOT NULL default '',
  PRIMARY KEY  (`id`),
  UNIQUE KEY `pseudo` (`pseudo`)
) ENGINE=MyISAM PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (pseudo) VALUES ('test');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
drop table t1;

CREATE TABLE `t1` (
  `i` int(11) NOT NULL default '0',
  PRIMARY KEY  (`i`)
) ENGINE=MyISAM CHARSET=latin1;

INSERT INTO t1 VALUES (1);
UPDATE t1 SET i=i+(SELECT MAX(i) FROM (SELECT 1) t) WHERE i=(SELECT MAX(i));
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
-- error ER_BAD_FIELD_ERROR
UPDATE t1 SET t.i=i+(SELECT MAX(i) FROM (SELECT 1) t);
select * from t1;
drop table t1;

#
# Multi update test
#
CREATE TABLE t1 (
  id int(11) default NULL
) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1),(1),(2),(2),(1),(3);
CREATE TABLE t2 (
  id int(11) default NULL,
  name varchar(15) default NULL
) ENGINE=MyISAM CHARSET=latin1;

INSERT INTO t2 VALUES (4,'vita'), (1,'vita'), (2,'vita'), (1,'vita');
update t1, t2 set t2.name='lenka' where t2.id in (select id from t1);
select * from t2;
drop table t1,t2;

#
# correct NULL in <CONSTANT> IN (SELECT ...)
#
create table t1 (a int, unique index indexa (a));
insert into t1 values (-1), (-4), (-2), (NULL);
select -10 IN (select a from t1 FORCE INDEX (indexa));
drop table t1;

#
# Test optimization for sub selects
#
create table t1 (id int not null auto_increment primary key, salary int, key(salary));
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
drop table t1;

CREATE TABLE t1 (
  ID int(10) unsigned NOT NULL auto_increment,
  SUB_ID int(3) unsigned NOT NULL default '0',
  REF_ID int(10) unsigned default NULL,
  REF_SUB int(3) unsigned default '0',
  PRIMARY KEY (ID,SUB_ID),
  UNIQUE KEY t1_PK (ID,SUB_ID),
  KEY t1_FK (REF_ID,REF_SUB),
  KEY t1_REFID (REF_ID)
) ENGINE=MyISAM CHARSET=cp1251;
INSERT INTO t1 VALUES (1,0,NULL,NULL),(2,0,NULL,NULL);
SELECT DISTINCT REF_ID FROM t1 WHERE ID= (SELECT DISTINCT REF_ID FROM t1 WHERE ID=2);
DROP TABLE t1;

#
# uninterruptable update
#
create table t1 (a int, b int);
create table t2 (a int, b int);

insert into t1 values (1,0), (2,0), (3,0);
insert into t2 values (1,1), (2,1), (3,1), (2,2);

update ignore t1 set b=(select b from t2 where t1.a=t2.a);
select * from t1;

drop table t1, t2;

#
# reduced subselect in ORDER BY & GROUP BY clauses
#

CREATE TABLE `t1` (
  `id` mediumint(8) unsigned NOT NULL auto_increment,
  `pseudo` varchar(35) NOT NULL default '',
  `email` varchar(60) NOT NULL default '',
  PRIMARY KEY  (`id`),
  UNIQUE KEY `email` (`email`),
  UNIQUE KEY `pseudo` (`pseudo`)
) ENGINE=MyISAM CHARSET=latin1 PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (id,pseudo,email) VALUES (1,'test','test'),(2,'test1','test1');
SELECT pseudo as a, pseudo as b FROM t1 GROUP BY (SELECT a) ORDER BY (SELECT id*1);
drop table if exists t1;

(SELECT 1 as a) UNION (SELECT 1) ORDER BY (SELECT a+0);

#
# IN subselect optimization test
#
create table t1 (a int not null, b int, primary key (a));
create table t2 (a int not null, primary key (a));
create table t3 (a int not null, b int, primary key (a));
insert into t1 values (1,10), (2,20), (3,30),  (4,40);
insert into t2 values (2), (3), (4), (5);
insert into t3 values (10,3), (20,4), (30,5);
select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a));
create table t3 (a int, b int, index a (a));
insert into t1 values (1,10), (2,20), (3,30), (4,40);
# making table large enough
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
insert into t1
select rand()*100000+200,rand()*100000 from t0 A, t0 B, t0 C, t0 D;

insert into t2 values (2), (3), (4), (5);
insert into t3 values (10,3), (20,4), (30,5);
select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
drop table t0, t1, t2, t3;

#
# alloc_group_fields() working
#
create table t1 (a int, b int);
create table t2 (a int, b int);
create table t3 (a int, b int);
insert into t1 values (0,100),(1,2), (1,3), (2,2), (2,7), (2,-1), (3,10);
insert into t2 values (0,0), (1,1), (2,1), (3,1), (4,1);
insert into t3 values (3,3), (2,2), (1,1);
select a,(select count(distinct t1.b) as sum from t1,t2 where t1.a=t2.a and t2.b > 0 and t1.a <= t3.b group by t1.a order by sum limit 1) as m from t3;
drop table t1,t2,t3;

#
# aggregate functions in HAVING test
#
create table t1 (s1 int);
create table t2 (s1 int);
insert into t1 values (1);
insert into t2 values (1);
select * from t1 where exists (select s1 from t2 having max(t2.s1)=t1.s1);
drop table t1,t2;

#
# update subquery with wrong field (to force name resolving
# in UPDATE name space)
#
create table t1 (s1 int);
create table t2 (s1 int);
insert into t1 values (1);
insert into t2 values (1);
-- error ER_BAD_FIELD_ERROR
update t1 set  s1 = s1 + 1 where 1 = (select x.s1 as A from t2 WHERE t2.s1 > t1.s1 order by A);
DROP TABLE t1, t2;

#
# collation test
#
CREATE TABLE t1 (s1 CHAR(5) COLLATE latin1_german1_ci,
                 s2 CHAR(5) COLLATE latin1_swedish_ci);
INSERT INTO t1 VALUES ('z','?');
-- error ER_CANT_AGGREGATE_2COLLATIONS
select * from t1 where s1 > (select max(s2) from t1);
-- error ER_CANT_AGGREGATE_2COLLATIONS
select * from t1 where s1 > any (select max(s2) from t1);
drop table t1;

#
# aggregate functions reinitialization
#
create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int);
insert into t2 values(1,0,0),(2,0,0);
insert into t1 values(1,0),(1,0),(1,0),(1,12),(1,15),(1,123),(1,12312),(1,12312),(1,123),(2,0),(2,0),(2,1),(2,2);
select userid,pmtotal,pmnew, (select count(rd) from t1 where toid=t2.userid) calc_total, (select count(rd) from t1 where rd=0 and toid=t2.userid) calc_new from t2 where userid in (select distinct toid from t1);
drop table t1, t2;

#
# row union
#
create table t1 (s1 char(5));
-- error ER_OPERAND_COLUMNS
select (select 'a','b' from t1 union select 'a','b' from t1) from t1;
insert into t1 values ('tttt');
select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
explain extended (select * from t1);
(select * from t1);
drop table t1;

#
# IN optimisation test results
#
create table t1 (s1 char(5), index s1(s1));
create table t2 (s1 char(5), index s1(s1));
insert into t1 values ('a1'),('a2'),('a3');
insert into t2 values ('a1'),('a2');
select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
drop table t1,t2;

#
# correct ALL optimisation
#
create table t2 (a int, b int not null);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
explain extended select * from t3 where a >= all (select b from t2);
select * from t3 where a >= some (select b from t2);
explain extended select * from t3 where a >= some (select b from t2);
select * from t3 where a >= all (select b from t2 group by 1);
explain extended select * from t3 where a >= all (select b from t2 group by 1);
select * from t3 where a >= some (select b from t2 group by 1);
explain extended select * from t3 where a >= some (select b from t2 group by 1);
select * from t3 where NULL >= any (select b from t2);
explain extended select * from t3 where NULL >= any (select b from t2);
select * from t3 where NULL >= any (select b from t2 group by 1);
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
select * from t3 where NULL >= some (select b from t2);
explain extended select * from t3 where NULL >= some (select b from t2);
select * from t3 where NULL >= some (select b from t2 group by 1);
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
#
# optimized static ALL/ANY with grouping
#
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
explain extended select * from t3 where a > all (select max(b) from t2 group by a);
drop table t2, t3;

#
# correct used_tables()
#

CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY  (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
CREATE TABLE `t2` (`db_id` int(11) NOT NULL auto_increment,`name` varchar(200) NOT NULL default '',`primary_uid` smallint(6) NOT NULL default '0',`secondary_uid` smallint(6) NOT NULL default '0',PRIMARY KEY  (`db_id`),UNIQUE KEY `name_2` (`name`),FULLTEXT KEY `name` (`name`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=2147483647;
INSERT INTO `t2` (`db_id`, `name`, `primary_uid`, `secondary_uid`) VALUES (18, 'Not Set 1', 0, 0),(19, 'Valid', 1, 2),(20, 'Valid 2', 1, 2),(21, 'Should Not Return', 1, 2),(26, 'Not Set 2', 0, 0),(-1, 'ALL DB\'S', 0, 0);
CREATE TABLE `t3` (`taskgenid` mediumint(9) NOT NULL auto_increment,`dbid` int(11) NOT NULL default '0',`taskid` int(11) NOT NULL default '0',`mon` tinyint(4) NOT NULL default '1',`tues` tinyint(4) NOT NULL default '1',`wed` tinyint(4) NOT NULL default '1',`thur` tinyint(4) NOT NULL default '1',`fri` tinyint(4) NOT NULL default '1',`sat` tinyint(4) NOT NULL default '0',`sun` tinyint(4) NOT NULL default '0',`how_often` smallint(6) NOT NULL default '1',`userid` smallint(6) NOT NULL default '0',`active` tinyint(4) NOT NULL default '1',PRIMARY KEY  (`taskgenid`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=2 ;
INSERT INTO `t3` (`taskgenid`, `dbid`, `taskid`, `mon`, `tues`,`wed`, `thur`, `fri`, `sat`, `sun`, `how_often`, `userid`, `active`) VALUES (1,-1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1);
CREATE TABLE `t4` (`task_id` smallint(6) NOT NULL default '0',`description` varchar(200) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO `t4` (`task_id`, `description`) VALUES (1, 'Daily Check List'),(2, 'Weekly Status');
select  dbid, name, (date_format(now() , '%Y-%m-%d') - INTERVAL how_often DAY) >= ifnull((SELECT date_format(max(create_date),'%Y-%m-%d') as m FROM t1 WHERE dbid = b.db_id AND taskid = a.taskgenid), '1950-01-01') as m from t3 a, t2 b, t4  WHERE dbid = - 1 AND primary_uid = '1' AND t4.task_id = taskid;
SELECT dbid, name FROM t3 a, t2 b, t4 WHERE dbid = - 1 AND primary_uid = '1' AND ((date_format(now() , '%Y-%m-%d') - INTERVAL how_often DAY) >= ifnull((SELECT date_format(max(create_date),'%Y-%m-%d') FROM t1 WHERE dbid = b.db_id AND taskid = a.taskgenid), '1950-01-01')) AND t4.task_id = taskid;
drop table t1,t2,t3,t4;

#
# cardinality check
#
CREATE TABLE t1 (id int(11) default NULL) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1),(5);
CREATE TABLE t2 (id int(11) default NULL) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES (2),(6);
-- error ER_OPERAND_COLUMNS
select * from t1 where (1,2,6) in (select * from t2);
DROP TABLE t1,t2;

#
# DO and SET with errors
#
create table t1 (s1 int);
insert into t1 values (1);
insert into t1 values (2);
-- error ER_SUBQUERY_NO_1_ROW
set sort_buffer_size = (select s1 from t1);
do (select * from t1);
drop table t1;

#
# optimized ALL/ANY with union
#
create table t1 (s1 char);
insert into t1 values ('e');
select * from t1 where 'f' > any (select s1 from t1);
select * from t1 where 'f' > any (select s1 from t1 union select s1 from t1);
explain extended select * from t1 where 'f' > any (select s1 from t1 union select s1 from t1);
drop table t1;

#
# filesort in subquery (restoring join_tab)
#
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
CREATE TABLE t2 (code char(5) NOT NULL default '',UNIQUE KEY code (code)) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES ('1'),('1226'),('1245'),('1862'),('18623'),('1874'),('1967'),('6');
select c.number as phone,(select p.code from t2 p where c.number like concat(p.code, '%') order by length(p.code) desc limit 1) as code from t1 c;
drop table t1, t2;

#
# unresolved field error
#
create table t1 (s1 int);
create table t2 (s1 int);
-- error ER_BAD_FIELD_ERROR
select * from t1 where (select count(*) from t2 where t1.s2) = 1;
-- error ER_BAD_FIELD_ERROR
select * from t1 where (select count(*) from t2 group by t1.s2) = 1;
-- error ER_BAD_FIELD_ERROR
select count(*) from t2 group by t1.s2;
drop table t1, t2;

#
# fix_fields() in add_ref_to_table_cond()
#
CREATE TABLE t1(COLA FLOAT NOT NULL,COLB FLOAT NOT NULL,COLC VARCHAR(20) DEFAULT NULL,PRIMARY KEY (COLA, COLB));
CREATE TABLE t2(COLA FLOAT NOT NULL,COLB FLOAT NOT NULL,COLC CHAR(1) NOT NULL,PRIMARY KEY (COLA));
INSERT INTO t1 VALUES (1,1,'1A3240'), (1,2,'4W2365');
INSERT INTO t2 VALUES (100, 200, 'C');
SELECT DISTINCT COLC FROM t1 WHERE COLA = (SELECT COLA FROM t2 WHERE COLB = 200 AND COLC ='C' LIMIT 1);
DROP TABLE t1, t2;

CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1),(1),(1),(1),(1),(2),(3),(4),(5);
SELECT DISTINCT (SELECT a) FROM t1 LIMIT 100;
DROP TABLE t1;


#
# Bug#2198 SELECT INTO OUTFILE (with Sub-Select) Problem
#

--disable_service_connection
--disable_ps2_protocol
create table t1 (a int, b decimal(13, 3));
insert into t1 values (1, 0.123);
let $outfile_abs= $MYSQLTEST_VARDIR/tmp/subselect.out.file.1;
let $outfile_rel= ../../tmp/subselect.out.file.1;
--error 0,1
--remove_file $outfile_abs
eval select a, (select max(b) from t1) into outfile "$outfile_rel" from t1;
delete from t1;
eval load data infile "$outfile_rel" into table t1;
--remove_file $outfile_abs
select * from t1;
drop table t1;
--enable_ps2_protocol
--enable_service_connection

#
# Bug#2479 dependant subquery with limit crash
#

CREATE TABLE `t1` (
  `id` int(11) NOT NULL auto_increment,
  `id_cns` tinyint(3) unsigned NOT NULL default '0',
  `tipo` enum('','UNO','DUE') NOT NULL default '',
  `anno_dep` smallint(4) unsigned zerofill NOT NULL default '0000',
  `particolare` mediumint(8) unsigned NOT NULL default '0',
  `generale` mediumint(8) unsigned NOT NULL default '0',
  `bis` tinyint(3) unsigned NOT NULL default '0',
  PRIMARY KEY  (`id`),
  UNIQUE KEY `idx_cns_gen_anno` (`anno_dep`,`id_cns`,`generale`,`particolare`),
  UNIQUE KEY `idx_cns_par_anno` (`id_cns`,`anno_dep`,`tipo`,`particolare`,`bis`)
);
INSERT INTO `t1` VALUES (1,16,'UNO',1987,2048,9681,0),(2,50,'UNO',1987,1536,13987,0),(3,16,'UNO',1987,2432,14594,0),(4,16,'UNO',1987,1792,13422,0),(5,16,'UNO',1987,1025,10240,0),(6,16,'UNO',1987,1026,7089,0);
CREATE TABLE `t2` (
  `id` tinyint(3) unsigned NOT NULL auto_increment,
  `max_anno_dep` smallint(6) unsigned NOT NULL default '0',
  PRIMARY KEY  (`id`)
);
INSERT INTO `t2` VALUES (16,1987),(50,1990),(51,1990);

SELECT cns.id, cns.max_anno_dep, cns.max_anno_dep = (SELECT s.anno_dep FROM t1 AS s WHERE s.id_cns = cns.id ORDER BY s.anno_dep DESC LIMIT 1) AS PIPPO FROM t2 AS cns;

DROP TABLE t1, t2;

#
# GLOBAL LIMIT
#
create table t1 (a int);
insert into t1 values (1), (2), (3);
SET SQL_SELECT_LIMIT=1;
select sum(a) from (select * from t1) as a;
select 2 in (select * from t1);
SET SQL_SELECT_LIMIT=default;
drop table t1;


#
# Bug#3118 subselect + order by
#

CREATE TABLE t1 (a int, b int, INDEX (a));
INSERT INTO t1 VALUES (1, 1), (1, 2), (1, 3);
SELECT * FROM t1 WHERE a = (SELECT MAX(a) FROM t1 WHERE a = 1) ORDER BY b;
DROP TABLE t1;

# Item_cond fix field
#
create table t1(val varchar(10));
insert into t1 values ('aaa'), ('bbb'),('eee'),('mmm'),('ppp');
select count(*) from t1 as w1 where w1.val in (select w2.val from t1 as w2 where w2.val like 'm%') and w1.val in (select w3.val from t1 as w3 where w3.val like 'e%');
drop table t1;

#
# ref_or_null replacing with ref
#
#--view-protocol is disabled because view gives another query plan
--disable_view_protocol
create table t1 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t1 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text11'), (12, 'text12');
select * from t1 where id not in (select id from t1 where id < 8);
select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
explain extended select * from t1 where id not in (select id from t1 where id < 8);
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
select * from t1 a left join t2 b on (a.id=b.id or b.id is null) join t1 c on (if(isnull(b.id), 1000, b.id)=c.id);
explain extended select * from t1 a left join t2 b on (a.id=b.id or b.id is null) join t1 c on (if(isnull(b.id), 1000, b.id)=c.id);
drop table t1,t2;
--enable_view_protocol

#
# Static tables & rund() in subqueries
#
create table t1 (a int);
insert into t1 values (1);
explain select benchmark(1000, (select a from t1 where a=sha(rand())));
drop table t1;


#
# Bug#3188 Ambiguous Column in Subselect crashes server
#
create table t1(id int);
create table t2(id int);
create table t3(flag int);
-- error ER_PARSE_ERROR
select (select * from t3 where id not null) from t1, t2;
drop table t1,t2,t3;


#
# aggregate functions (Bug#3505 Wrong results on use of ORDER BY with subqueries)
#
CREATE TABLE t1 (id INT);
CREATE TABLE t2 (id INT);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (1);
SELECT t1.id, ( SELECT COUNT(t.id) FROM t2 AS t WHERE t.id = t1.id ) AS c FROM t1 LEFT JOIN t2 USING (id);
SELECT id, ( SELECT COUNT(t.id) FROM t2 AS t WHERE t.id = t1.id ) AS c FROM t1 LEFT JOIN t2 USING (id);
SELECT t1.id, ( SELECT COUNT(t.id) FROM t2 AS t WHERE t.id = t1.id ) AS c FROM t1 LEFT JOIN t2 USING (id) ORDER BY t1.id;
SELECT id, ( SELECT COUNT(t.id) FROM t2 AS t WHERE t.id = t1.id ) AS c FROM t1 LEFT JOIN t2 USING (id) ORDER BY id;
DROP TABLE t1,t2;

#
# ALL/ANY test
#
CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
SELECT a FROM t1 WHERE a > ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a < ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a = ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a >= ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <= ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <> ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a > ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a < ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a = ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a >= ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <= ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <> ALL ( SELECT a FROM t1 WHERE b = 2 );
# with index
ALTER TABLE t1 ADD INDEX (a);
SELECT a FROM t1 WHERE a > ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a < ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a = ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a >= ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <= ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <> ANY ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a > ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a < ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a = ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a >= ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <= ALL ( SELECT a FROM t1 WHERE b = 2 );
SELECT a FROM t1 WHERE a <> ALL ( SELECT a FROM t1 WHERE b = 2 );
# having clause test
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 HAVING a = 2);
# union test
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2 UNION SELECT a FROM t1 WHERE b = 2);
# union + having test
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 HAVING a = 2 UNION SELECT a FROM t1 HAVING a = 2);
# row tests
# < > >= <= and = ALL/ <> ANY do not support row operation
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) > ANY (SELECT a FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE a > ANY (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) > ANY (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) > ALL (SELECT a FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE a > ALL (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) > ALL (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) = ALL (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) <> ANY (SELECT a,2 FROM t1 WHERE b = 2);
# following should be converted to IN
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) = ANY (SELECT a FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE a = ANY (SELECT a,2 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (1,2) = ANY (SELECT a,2 FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE (1,2) <> ALL (SELECT a FROM t1 WHERE b = 2);
-- error ER_OPERAND_COLUMNS
SELECT a FROM t1 WHERE a <> ALL (SELECT a,2 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (1,2) <> ALL (SELECT a,2 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 WHERE b = 2 UNION SELECT a,1 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 WHERE b = 2 UNION SELECT a,1 FROM t1 WHERE b = 2);
SELECT a FROM t1 WHERE (a,1) = ANY (SELECT a,1 FROM t1 HAVING a = 2 UNION SELECT a,1 FROM t1 HAVING a = 2);
SELECT a FROM t1 WHERE (a,1) <> ALL (SELECT a,1 FROM t1 HAVING a = 2 UNION SELECT a,1 FROM t1 HAVING a = 2);
# without optimisation
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2 group by a);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2 group by a);
# without optimisation + having
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 group by a HAVING a = 2);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 group by a HAVING a = 2);
# EXISTS in string contence
SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a > t1.a), '-') from t1 a;
SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a < t1.a), '-') from t1 a;
SELECT concat(EXISTS(SELECT a FROM t1 WHERE b = 2 and a.a = t1.a), '-') from t1 a;
DROP TABLE t1;
CREATE TABLE t1 ( a double, b double );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = 2e0);
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = 2e0);
DROP TABLE t1;
CREATE TABLE t1 ( a char(1), b char(1));
INSERT INTO t1 VALUES ('1','1'),('2','2'),('3','3');
SELECT a FROM t1 WHERE a > ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a < ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a = ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a >= ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a <= ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a <> ANY (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a > ALL (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a < ALL (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a = ALL (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a >= ALL (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a <= ALL (SELECT a FROM t1 WHERE b = '2');
SELECT a FROM t1 WHERE a <> ALL (SELECT a FROM t1 WHERE b = '2');
DROP TABLE t1;


#
# SELECT(EXISTS * ...)optimisation
#
#--view-protocol is disabled because view gives another query plan
--disable_view_protocol
create table t1 (a int, b int);
insert into t1 values (1,2),(3,4);
select * from t1 up where exists (select * from t1 where t1.a=up.a);
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
drop table t1;
--enable_view_protocol

#
# Bug#4102 subselect in HAVING
#

CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (t2_a int, t2_b int, PRIMARY KEY (t2_a, t2_b));
INSERT INTO t2 VALUES (1, 1), (1, 2);
SELECT * FROM t1, t2 table2 WHERE t1_a = 1 AND table2.t2_a = 1
  HAVING table2.t2_b = (SELECT MAX(t2_b) FROM t2 WHERE t2_a = table2.t2_a);
DROP TABLE t1, t2;


#
# Test problem with NULL and derived tables
# (Bug#4097 JOIN with subquery causes entire column to report NULL)
#

CREATE TABLE t1 (id int(11) default NULL,name varchar(10) default NULL);
INSERT INTO t1 VALUES (1,'Tim'),(2,'Rebecca'),(3,NULL);
CREATE TABLE t2 (id int(11) default NULL, pet varchar(10) default NULL);
INSERT INTO t2 VALUES (1,'Fido'),(2,'Spot'),(3,'Felix');
SELECT a.*, b.* FROM (SELECT * FROM t1) AS a JOIN t2 as b on a.id=b.id;
drop table t1,t2;


#
# outer fields resolving in INSERT/REPLACE and CRETE with SELECT
#
CREATE TABLE t1 ( a int, b int );
CREATE TABLE t2 ( c int, d int );
INSERT INTO t1 VALUES (1,2), (2,3), (3,4);
SELECT a AS abc, b FROM t1 outr WHERE b =
  (SELECT MIN(b) FROM t1 WHERE a=outr.a);
INSERT INTO t2 SELECT a AS abc, b FROM t1 outr WHERE b =
  (SELECT MIN(b) FROM t1 WHERE a=outr.a);
select * from t2;
CREATE TABLE t3 SELECT a AS abc, b FROM t1 outr WHERE b =
  (SELECT MIN(b) FROM t1 WHERE a=outr.a);
select * from t3;
prepare stmt1 from "INSERT INTO t2 SELECT a AS abc, b FROM t1 outr WHERE b = (SELECT MIN(b) FROM t1 WHERE a=outr.a);";
execute stmt1;
deallocate prepare stmt1;
select * from t2;
drop table t3;
prepare stmt1 from "CREATE TABLE t3 SELECT a AS abc, b FROM t1 outr WHERE b = (SELECT MIN(b) FROM t1 WHERE a=outr.a);";
execute stmt1;
select * from t3;
deallocate prepare stmt1;
DROP TABLE t1, t2, t3;

#
# Aggregate function comparation with ALL/ANY/SOME subselect
#
CREATE TABLE `t1` ( `a` int(11) default NULL) ENGINE=MyISAM DEFAULT CHARSET=latin1;
insert into t1 values (1);
CREATE TABLE `t2` ( `b` int(11) default NULL, `a` int(11) default NULL) ENGINE=MyISAM DEFAULT CHARSET=latin1;
insert into t2 values (1,2);
select t000.a, count(*) `C` FROM t1 t000 GROUP BY t000.a HAVING count(*) > ALL (SELECT count(*) FROM t2 t001 WHERE t001.a=1);
drop table t1,t2;


#
# Bug#4769 - fulltext in subselect
#
create table t1 (a int not null auto_increment primary key, b varchar(40), fulltext(b));
insert into t1 (b) values ('ball'),('ball games'), ('games'), ('foo'), ('foobar'), ('Serg'), ('Sergei'),('Georg'), ('Patrik'),('Hakan');
create table t2 (a int);
insert into t2 values (1),(3),(2),(7);
select a,b from t1 where match(b) against ('Ball') > 0;
select a from t2 where a in (select a from t1 where match(b) against ('Ball') > 0);
drop table t1,t2;


#
# Bug#5003 - like in subselect
#
CREATE TABLE t1(`IZAVORGANG_ID` VARCHAR(11) CHARACTER SET latin1 COLLATE latin1_bin,`KUERZEL` VARCHAR(10) CHARACTER SET latin1 COLLATE latin1_bin,`IZAANALYSEART_ID` VARCHAR(11) CHARACTER SET latin1 COLLATE latin1_bin,`IZAPMKZ_ID` VARCHAR(11) CHARACTER SET latin1 COLLATE latin1_bin);
CREATE INDEX AK01IZAVORGANG ON t1(izaAnalyseart_id,Kuerzel);
INSERT INTO t1(`IZAVORGANG_ID`,`KUERZEL`,`IZAANALYSEART_ID`,`IZAPMKZ_ID`)VALUES('D0000000001','601','D0000000001','I0000000001');
INSERT INTO t1(`IZAVORGANG_ID`,`KUERZEL`,`IZAANALYSEART_ID`,`IZAPMKZ_ID`)VALUES('D0000000002','602','D0000000001','I0000000001');
INSERT INTO t1(`IZAVORGANG_ID`,`KUERZEL`,`IZAANALYSEART_ID`,`IZAPMKZ_ID`)VALUES('D0000000003','603','D0000000001','I0000000001');
INSERT INTO t1(`IZAVORGANG_ID`,`KUERZEL`,`IZAANALYSEART_ID`,`IZAPMKZ_ID`)VALUES('D0000000004','101','D0000000001','I0000000001');
SELECT `IZAVORGANG_ID` FROM t1 WHERE `KUERZEL` IN(SELECT MIN(`KUERZEL`)`Feld1` FROM t1 WHERE `KUERZEL` LIKE'601%'And`IZAANALYSEART_ID`='D0000000001');
drop table t1;

#
# Optimized IN with compound index
#
CREATE TABLE `t1` ( `aid` int(11) NOT NULL default '0', `bid` int(11) NOT NULL default '0', PRIMARY KEY  (`aid`,`bid`));
CREATE TABLE `t2` ( `aid` int(11) NOT NULL default '0', `bid` int(11) NOT NULL default '0', PRIMARY KEY  (`aid`,`bid`));
insert into t1 values (1,1),(1,2),(2,1),(2,2);
insert into t2 values (1,2),(2,2);
select * from t1 where t1.aid not in (select aid from t2 where bid=t1.bid);
alter table t2 drop primary key;
alter table t2 add key KEY1 (aid, bid);
select * from t1 where t1.aid not in (select aid from t2 where bid=t1.bid);
alter table t2 drop key KEY1;
alter table t2 add primary key (bid, aid);
select * from t1 where t1.aid not in (select aid from t2 where bid=t1.bid);
drop table t1,t2;

#
# resolving fields of grouped outer SELECT
#
CREATE TABLE t1 (howmanyvalues bigint, avalue int);
INSERT INTO t1 VALUES (1, 1),(2, 1),(2, 2),(3, 1),(3, 2),(3, 3),(4, 1),(4, 2),(4, 3),(4, 4);
SELECT howmanyvalues, count(*) from t1 group by howmanyvalues;
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.howmanyvalues) as mycount from t1 a group by a.howmanyvalues;
CREATE INDEX t1_howmanyvalues_idx ON t1 (howmanyvalues);
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues+1 = a.howmanyvalues+1) as mycount from t1 a group by a.howmanyvalues;
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.howmanyvalues) as mycount from t1 a group by a.howmanyvalues;
SELECT a.howmanyvalues, (SELECT count(*) from t1 b where b.howmanyvalues = a.avalue) as mycount from t1 a group by a.howmanyvalues;
drop table t1;

create table t1 (x int);
select  (select b.x from t1 as b where b.x=a.x) from t1 as a where a.x=2 group by a.x;
drop table t1;

#
# Test of correct maybe_null flag returning by subquwery for temporary table
# creation
#
CREATE TABLE `t1` ( `master` int(10) unsigned NOT NULL default '0', `map` smallint(6) unsigned NOT NULL default '0', `slave` int(10) unsigned NOT NULL default '0', `access` int(10) unsigned NOT NULL default '0', UNIQUE KEY `access_u` (`master`,`map`,`slave`));
INSERT INTO `t1` VALUES (1,0,0,700),(1,1,1,400),(1,5,5,400),(1,12,12,400),(1,12,32,400),(4,12,32,400);
CREATE TABLE `t2` ( `id` int(10) unsigned NOT NULL default '0', `pid` int(10) unsigned NOT NULL default '0', `map` smallint(6) unsigned NOT NULL default '0', `level` tinyint(4) unsigned NOT NULL default '0', `title` varchar(255) default NULL, PRIMARY KEY  (`id`,`pid`,`map`), KEY `level` (`level`), KEY `id` (`id`,`map`)) ;
INSERT INTO `t2` VALUES (6,5,12,7,'a'),(12,0,0,7,'a'),(12,1,0,7,'a'),(12,5,5,7,'a'),(12,5,12,7,'a');
-- error ER_BAD_FIELD_ERROR
SELECT b.sc FROM (SELECT (SELECT a.access FROM t1 a WHERE a.map = op.map AND a.slave = op.pid AND a.master = 1) ac FROM t2 op WHERE op.id = 12 AND op.map = 0) b;
SELECT b.ac FROM (SELECT (SELECT a.access FROM t1 a WHERE a.map = op.map AND a.slave = op.pid AND a.master = 1) ac FROM t2 op WHERE op.id = 12 AND op.map = 0) b;
drop tables t1,t2;


#
# Test for Bug#6462 Same request on same data returns different results
# a.k.a. "Proper cleanup of subqueries is missing for SET and DO statements".
#
create table t1 (a int not null, b int not null, c int, primary key (a,b));
insert into t1 values (1,1,1), (2,2,2), (3,3,3);
set @b:= 0;
# Let us check that subquery will use covering index
explain select sum(a) from t1 where b > @b;
# This should not crash -debug server due to failing assertion
set @a:= (select sum(a) from t1 where b > @b);
# And this should not falsely report index usage
explain select a from t1 where c=2;
# Same for DO statement
do @a:= (select sum(a) from t1 where b > @b);
explain select a from t1 where c=2;
drop table t1;

#
# Subselect in non-select command just after connection
# Disconnect new connection and switch back when test is finished
#
connect (root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
connection root;
set @got_val= (SELECT 1 FROM (SELECT 'A' as my_col) as T1 ) ;
disconnect root;
connection default;

#
# primary query with temporary table and subquery with grouping
#
create table t1 (a int, b int);
create table t2 (a int, b int);
insert into t1 values (1,1),(1,2),(1,3),(2,4),(2,5);
insert into t2 values (1,3),(2,1);
select distinct a,b, (select max(b) from t2 where t1.b=t2.a) from t1 order by t1.b;
drop table t1, t2;

#
# subqueries with full text search
#
create table t1 (id int);
create table t2 (id int, body text, fulltext (body));
insert into t1 values(1),(2),(3);
insert into t2 values (1,'test'), (2,'mysql'), (3,'test'), (4,'test');
select count(distinct id) from t1 where id in (select id from t2 where match(body) against ('mysql' in boolean mode));
drop table t2,t1;

#
# Equal operation under row and empty subquery
#
create table t1 (s1 int,s2 int);
insert into t1 values (20,15);
select * from t1 where  (('a',null) <=> (select 'a',s2 from t1 where s1 = 0));
drop table t1;

#
# ALL/ANY with NULL
#
create table t1 (s1 int);
insert into t1 values (1),(null);
select * from t1 where s1 < all (select s1 from t1);
select s1, s1 < all (select s1 from t1) from t1;
drop table t1;

#
# reference on changable fields from subquery
#
CREATE TABLE t1 (
  Code char(3) NOT NULL default '',
  Name char(52) NOT NULL default '',
  Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL default 'Asia',
  Region char(26) NOT NULL default '',
  SurfaceArea float(10,2) NOT NULL default '0.00',
  IndepYear smallint(6) default NULL,
  Population int(11) NOT NULL default '0',
  LifeExpectancy float(3,1) default NULL,
  GNP float(10,2) default NULL,
  GNPOld float(10,2) default NULL,
  LocalName char(45) NOT NULL default '',
  GovernmentForm char(45) NOT NULL default '',
  HeadOfState char(60) default NULL,
  Capital int(11) default NULL,
  Code2 char(2) NOT NULL default ''
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('XXX','Xxxxx','Oceania','Xxxxxx',26.00,0,0,0,0,0,'Xxxxx','Xxxxx','Xxxxx',NULL,'XX');
INSERT INTO t1 VALUES ('ASM','American Samoa','Oceania','Polynesia',199.00,0,68000,75.1,334.00,NULL,'Amerika Samoa','US Territory','George W. Bush',54,'AS');
INSERT INTO t1 VALUES ('ATF','French Southern territories','Antarctica','Antarctica',7780.00,0,0,NULL,0.00,NULL,'Terres australes françaises','Nonmetropolitan Territory of France','Jacques Chirac',NULL,'TF');
INSERT INTO t1 VALUES ('UMI','United States Minor Outlying Islands','Oceania','Micronesia/Caribbean',16.00,0,0,NULL,0.00,NULL,'United States Minor Outlying Islands','Dependent Territory of the US','George W. Bush',NULL,'UM');
/*!40000 ALTER TABLE t1 ENABLE KEYS */;
SELECT DISTINCT Continent AS c FROM t1 outr WHERE
  Code <> SOME ( SELECT Code FROM t1 WHERE Continent = outr.Continent AND
  Population < 200);
drop table t1;


#
# Test for Bug#7885 Server crash when 'any' subselect compared to
#                   non-existant field.
#
create table t1 (a1 int);
create table t2 (b1 int);
--error ER_BAD_FIELD_ERROR
select * from t1 where a2 > any(select b1 from t2);
select * from t1 where a1 > any(select b1 from t2);
drop table t1,t2;


#
# Comparison subquery with * and row
#
create table t1 (a integer, b integer);
select (select * from t1) = (select 1,2);
select (select 1,2) = (select * from t1);
# queries whih can be converted to IN
select  row(1,2) = ANY (select * from t1);
select  row(1,2) != ALL (select * from t1);
drop table t1;

#
# Comparison subquery and row with nested rows
#
create table t1 (a integer, b integer);
-- error ER_OPERAND_COLUMNS
select row(1,(2,2)) in (select * from t1 );
-- error ER_OPERAND_COLUMNS
select row(1,(2,2)) = (select * from t1 );
-- error ER_OPERAND_COLUMNS
select (select * from t1) = row(1,(2,2));
drop table t1;

#
# Forward reference detection
#
create  table t1 (a integer);
insert into t1 values (1);
-- error ER_ILLEGAL_REFERENCE
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx ;
-- error ER_ILLEGAL_REFERENCE
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx;
select 1 as xx, 1 = ALL (  select 1 from t1 where 1 = xx );
-- error ER_ILLEGAL_REFERENCE
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx;
-- error ER_ILLEGAL_REFERENCE
select 1 = ALL (select 1 from t1 where 1 = xx ), 1 as xx from DUAL;
drop table t1;


#
# Test for Bug#8218 Join does not pass string from right table
#
CREATE TABLE t1 (
  categoryId int(11) NOT NULL,
  courseId int(11) NOT NULL,
  startDate datetime NOT NULL,
  endDate datetime NOT NULL,
  createDate datetime NOT NULL,
  modifyDate timestamp NOT NULL,
  attributes text NOT NULL
);
INSERT INTO t1 VALUES (1,41,'2004-02-09','2010-01-01','2004-02-09','2004-02-09',''),
(1,86,'2004-08-16','2004-08-16','2004-08-16','2004-08-16',''),
(1,87,'2004-08-16','2004-08-16','2004-08-16','2004-08-16',''),
(2,52,'2004-03-15','2004-10-01','2004-03-15','2004-09-17',''),
(2,53,'2004-03-16','2004-10-01','2004-03-16','2004-09-17',''),
(2,88,'2004-08-16','2004-08-16','2004-08-16','2004-08-16',''),
(2,89,'2004-08-16','2004-08-16','2004-08-16','2004-08-16',''),
(3,51,'2004-02-09','2010-01-01','2004-02-09','2004-02-09',''),
(5,12,'2004-02-18','2010-01-01','2004-02-18','2004-02-18','');

CREATE TABLE t2 (
  userId int(11) NOT NULL,
  courseId int(11) NOT NULL,
  date datetime NOT NULL
);
INSERT INTO t2 VALUES (5141,71,'2003-11-18'),
(5141,72,'2003-11-25'),(5141,41,'2004-08-06'),
(5141,52,'2004-08-06'),(5141,53,'2004-08-06'),
(5141,12,'2004-08-06'),(5141,86,'2004-10-21'),
(5141,87,'2004-10-21'),(5141,88,'2004-10-21'),
(5141,89,'2004-10-22'),(5141,51,'2004-10-26');


CREATE TABLE t3 (
  groupId int(11) NOT NULL,
  parentId int(11) NOT NULL,
  startDate datetime NOT NULL,
  endDate datetime NOT NULL,
  createDate datetime NOT NULL,
  modifyDate timestamp NOT NULL,
  ordering int(11)
);
INSERT INTO t3 VALUES (12,9,'1000-01-01','3999-12-31','2004-01-29','2004-01-29',NULL);

CREATE TABLE t4 (
  id int(11) NOT NULL,
  groupTypeId int(11) NOT NULL,
  groupKey varchar(50) NOT NULL,
  name text,
  ordering int(11),
  description text,
  createDate datetime NOT NULL,
  modifyDate timestamp NOT NULL
);
INSERT INTO t4 VALUES (9,5,'stationer','stationer',0,'Stationer','2004-01-29','2004-01-29'),
(12,5,'group2','group2',0,'group2','2004-01-29','2004-01-29');

CREATE TABLE t5 (
  userId int(11) NOT NULL,
  groupId int(11) NOT NULL,
  createDate datetime NOT NULL,
  modifyDate timestamp NOT NULL
);
INSERT INTO t5 VALUES (5141,12,'2004-08-06','2004-08-06');

select
  count(distinct t2.userid) pass,
  groupstuff.*,
  count(t2.courseid) crse,
  t1.categoryid,
  t2.courseid,
  date_format(date, '%b%y') as colhead
from t2
join t1 on t2.courseid=t1.courseid
join
(
  select
    t5.userid,
    parentid,
    parentgroup,
    childid,
    groupname,
    grouptypeid
  from t5
  join
  (
     select t4.id as parentid,
       t4.name as parentgroup,
       t4.id as childid,
       t4.name as groupname,
       t4.grouptypeid
     from t4
  ) as gin on t5.groupid=gin.childid
) as groupstuff on t2.userid = groupstuff.userid
group by
  groupstuff.groupname, colhead , t2.courseid;

drop table t1, t2, t3, t4, t5;


#
# Transformation in left expression of subquery (Bug#8888)
#
create table t1 (a int);
insert into t1 values (1), (2), (3);
SELECT 1 FROM t1 WHERE (SELECT 1) in (SELECT 1);
drop table t1;

#
# subselect into HAVING clause (code covarage improvement)
#
create table t1 (a int);
create table t2 (a int);
insert into t1 values (1),(2);
insert into t2 values (0),(1),(2),(3);
select a from t2 where a in (select a from t1);
select a from t2 having a in (select a from t1);
prepare stmt1 from "select a from t2 where a in (select a from t1)";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
prepare stmt1 from "select a from t2 having a in (select a from t1)";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
drop table t1, t2;

#
# single row subqueries and row operations (code covarage improvement)
#
create table t1 (a int, b int);
insert into t1 values (1,2);
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
select 1 = (select * from t1);
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
select (select * from t1) = 1;
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
select (1,2) = (select a from t1);
-- error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
select (select a from t1) = (1,2);
-- error ER_OPERAND_COLUMNS
select (1,2,3) = (select * from t1);
-- error ER_OPERAND_COLUMNS
select (select * from t1) = (1,2,3);
drop table t1;


#
# Item_int_with_ref check (Bug#10020)
#
CREATE TABLE `t1` (
  `itemid` bigint(20) unsigned NOT NULL auto_increment,
  `sessionid` bigint(20) unsigned default NULL,
  `time` int(10) unsigned NOT NULL default '0',
  `type` set('A','D','E','F','G','I','L','N','U') collate latin1_general_ci NOT
NULL default '',
  `data` text collate latin1_general_ci NOT NULL,
  PRIMARY KEY  (`itemid`)
) DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `t1` VALUES (1, 1, 1, 'D', '');
CREATE TABLE `t2` (
  `sessionid` bigint(20) unsigned NOT NULL auto_increment,
  `pid` int(10) unsigned NOT NULL default '0',
  `date` int(10) unsigned NOT NULL default '0',
  `ip` varchar(15) collate latin1_general_ci NOT NULL default '',
  PRIMARY KEY  (`sessionid`)
) DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `t2` VALUES (1, 1, 1, '10.10.10.1');
SELECT s.ip, count( e.itemid ) FROM `t1` e JOIN t2 s ON s.sessionid = e.sessionid WHERE e.sessionid = ( SELECT sessionid FROM t2 ORDER BY sessionid DESC LIMIT 1 ) GROUP BY s.ip HAVING count( e.itemid ) >0 LIMIT 0 , 30;
drop tables t1,t2;


# Bug#11821 Select from subselect using aggregate function on an enum segfaults
create table t1 (fld enum('0','1'));
insert into t1 values ('1');
select * from (select max(fld) from t1) as foo;
drop table t1;


#
# Bug#11867 queries with ROW(,elems>) IN (SELECT DISTINCT <cols> FROM ...)
#

set @tmp11867_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin_with_cache=off';

CREATE TABLE t1 (one int, two int, flag char(1));
CREATE TABLE t2 (one int, two int, flag char(1));
INSERT INTO t1 VALUES(1,2,'Y'),(2,3,'Y'),(3,4,'Y'),(5,6,'N'),(7,8,'N');
INSERT INTO t2 VALUES(1,2,'Y'),(2,3,'Y'),(3,4,'Y'),(5,6,'N'),(7,8,'N');

SELECT * FROM t1
  WHERE ROW(one,two) IN (SELECT DISTINCT one,two FROM t2 WHERE flag = 'N');
SELECT * FROM t1
  WHERE ROW(one,two) IN (SELECT DISTINCT one,two FROM t1 WHERE flag = 'N');

insert into t2 values (null,null,'N');
insert into t2 values (null,3,'0');
insert into t2 values (null,5,'0');
insert into t2 values (10,null,'0');
insert into t1 values (10,3,'0');
insert into t1 values (10,5,'0');
insert into t1 values (10,10,'0');
SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N') as 'test' from t1;
SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N' group by one,two) as 'test' from t1;
SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0') as 'test' from t1;
SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0') as 'test' from t1;
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
DROP TABLE t1,t2;

set optimizer_switch=@tmp11867_optimizer_switch;

#
# Bug#12392 where cond with IN predicate for rows and NULL values in table
#

CREATE TABLE t1 (a char(5), b char(5));
INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');

SELECT * FROM t1 WHERE (a,b) IN (('aaa','aaa'), ('aaa','bbb'));

DROP TABLE t1;


#
# Bug#11479 subquery over left join with an empty inner table
#

CREATE TABLE t1 (a int);
CREATE TABLE t2 (a int, b int);
CREATE TABLE t3 (b int NOT NULL);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (1,10), (3,30);

SELECT * FROM t2 LEFT JOIN t3 ON t2.b=t3.b
  WHERE t3.b IS NOT NULL OR t2.a > 10;
SELECT * FROM t1
  WHERE t1.a NOT IN (SELECT a FROM t2 LEFT JOIN t3 ON t2.b=t3.b
                       WHERE t3.b IS NOT NULL OR t2.a > 10);

DROP TABLE t1,t2,t3;


#
# Bug#18503 Queries with a quantified subquery returning empty set may
#           return a wrong result.
#
CREATE TABLE t1 (f1 INT);
CREATE TABLE t2 (f2 INT);
INSERT INTO t1 VALUES (1);
SELECT * FROM t1 WHERE f1 > ALL (SELECT f2 FROM t2);
SELECT * FROM t1 WHERE f1 > ALL (SELECT f2 FROM t2 WHERE 1=0);
INSERT INTO t2 VALUES (1);
INSERT INTO t2 VALUES (2);
SELECT * FROM t1 WHERE f1 > ALL (SELECT f2 FROM t2 WHERE f2=0);
DROP TABLE t1, t2;


#
# Bug#16302 Quantified subquery without any tables gives wrong results
#
select 1 from dual where 1 < any (select 2);
select 1 from dual where 1 < all (select 2);
select 1 from dual where 2 > any (select 1);
select 1 from dual where 2 > all (select 1);
select 1 from dual where 1 < any (select 2 from dual);
select 1 from dual where 1 < all (select 2 from dual where 1!=1);


# Bug#20975 Wrong query results for subqueries within NOT
create table t1 (s1 char);
insert into t1 values (1),(2);

select * from t1 where (s1 < any (select s1 from t1));
select * from t1 where not (s1 < any (select s1 from t1));

select * from t1 where (s1 < ALL (select s1+1 from t1));
select * from t1 where not(s1 < ALL (select s1+1 from t1));

select * from t1 where (s1+1 = ANY (select s1 from t1));
select * from t1 where NOT(s1+1 = ANY (select s1 from t1));

select * from t1 where (s1 = ALL (select s1/s1 from t1));
select * from t1 where NOT(s1 = ALL (select s1/s1 from t1));
drop table t1;


#
# Bug#16255 Subquery in where
#
create table t1 (
  retailerID varchar(8) NOT NULL,
  statusID   int(10) unsigned NOT NULL,
  changed    datetime NOT NULL,
  UNIQUE KEY retailerID (retailerID, statusID, changed)
);

INSERT INTO t1 VALUES("0026", "1", "2005-12-06 12:18:56");
INSERT INTO t1 VALUES("0026", "2", "2006-01-06 12:25:53");
INSERT INTO t1 VALUES("0037", "1", "2005-12-06 12:18:56");
INSERT INTO t1 VALUES("0037", "2", "2006-01-06 12:25:53");
INSERT INTO t1 VALUES("0048", "1", "2006-01-06 12:37:50");
INSERT INTO t1 VALUES("0059", "1", "2006-01-06 12:37:50");

select * from t1 r1
  where (r1.retailerID,(r1.changed)) in
         (SELECT r2.retailerId,(max(changed)) from t1 r2
          group by r2.retailerId);
drop table t1;


#
# Bug#21180 Subselect with index for both WHERE and ORDER BY
#           produces empty result
#
create table t1(a int, primary key (a));
insert into t1 values (10);

create table t2 (a int primary key, b varchar(32), c int, unique key b(c, b));
insert into t2(a, c, b) values (1,10,'359'), (2,10,'35988'), (3,10,'35989');
insert into t2(a, c, b) values (4,10,'360'), (5,10,'35998'), (6,10,'35999');
analyze table t1;

explain SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
  ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
             ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
  ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
            ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;

explain SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
  ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
            ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
  ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
            ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;

drop table t1,t2;


#
# Bug#21853 assert failure for a grouping query with
#           an ALL/ANY quantified subquery in HAVING
#

CREATE TABLE t1 (
  field1 int NOT NULL,
  field2 int NOT NULL,
  field3 int NOT NULL,
  PRIMARY KEY  (field1,field2,field3)
);
CREATE TABLE t2 (
  fieldA int NOT NULL,
  fieldB int NOT NULL,
  PRIMARY KEY  (fieldA,fieldB)
);

INSERT INTO t1 VALUES
  (1,1,1), (1,1,2), (1,2,1), (1,2,2), (1,2,3), (1,3,1);
INSERT INTO t2 VALUES (1,1), (1,2), (1,3);

SELECT field1, field2, COUNT(*)
  FROM t1 GROUP BY field1, field2;

SELECT field1, field2
  FROM  t1
    GROUP BY field1, field2
      HAVING COUNT(*) >= ALL (SELECT fieldB
                                FROM t2 WHERE fieldA = field1);
SELECT field1, field2
  FROM  t1
    GROUP BY field1, field2
      HAVING COUNT(*) < ANY (SELECT fieldB
                               FROM t2 WHERE fieldA = field1);

DROP TABLE t1, t2;


#
# Bug#23478 not top-level IN subquery returning a non-empty result set
#           with possible NULL values by index access from the outer query
#

CREATE TABLE t1(a int, INDEX (a));
INSERT INTO t1 VALUES (1), (3), (5), (7);
INSERT INTO t1 VALUES (NULL);

CREATE TABLE t2(a int);
INSERT INTO t2 VALUES (1),(2),(3);

EXPLAIN SELECT a, a IN (SELECT a FROM t1) FROM t2;
SELECT a, a IN (SELECT a FROM t1) FROM t2;

DROP TABLE t1,t2;


#
# Bug#11302 getObject() returns a String for a sub-query of type datetime
#
CREATE TABLE t1 (a DATETIME);
INSERT INTO t1 VALUES ('1998-09-23'), ('2003-03-25');

CREATE TABLE t2 AS SELECT
  (SELECT a FROM t1 WHERE a < '2000-01-01') AS sub_a
   FROM t1 WHERE a > '2000-01-01';
SHOW CREATE TABLE t2;

CREATE TABLE t3 AS (SELECT a FROM t1 WHERE a < '2000-01-01') UNION (SELECT a FROM t1 WHERE a > '2000-01-01');
SHOW CREATE TABLE t3;

DROP TABLE t1,t2,t3;


#
# Bug#24670 subquery witout tables but with a WHERE clause
#

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1), (2);

SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) > 0;
SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL;
EXPLAIN SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL;

DROP TABLE t1;


#
# Bug#24653 sorting by expressions containing subselects
#           that return more than one row
#

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (2), (4), (1), (3);

CREATE TABLE t2 (b int, c int);
INSERT INTO t2 VALUES
  (2,1), (1,3), (2,1), (4,4), (2,2), (1,4);

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2 );
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1);
SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2), a;
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1), a;

SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);
--error ER_SUBQUERY_NO_1_ROW
SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);

--sorted_result
SELECT a FROM t1 GROUP BY a
  HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),
                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1 GROUP BY a
  HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),
                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
--sorted_result
SELECT a FROM t1 GROUP BY a
  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1 GROUP BY a
  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
                (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;
--sorted_result
SELECT a FROM t1
  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),
                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1
  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),
                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
--sorted_result
SELECT a FROM t1
  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
--error ER_SUBQUERY_NO_1_ROW
SELECT a FROM t1
  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));

DROP TABLE t1,t2;

# End of 4.1 tests

#
#decimal-related tests
#
create table t1 (df decimal(5,1));
insert into t1 values(1.1);
insert into t1 values(2.2);

select * from t1 where df <= all (select avg(df) from t1 group by df);
select * from t1 where df >= all (select avg(df) from t1 group by df);
drop table t1;

create table t1 (df decimal(5,1));
insert into t1 values(1.1);
select 1.1 * exists(select * from t1);
drop table t1;

CREATE TABLE t1 (
  grp int(11) default NULL,
  a decimal(10,2) default NULL);

insert into t1 values (1, 1), (2, 2), (2, 3), (3, 4), (3, 5), (3, 6), (NULL, NULL);
select * from t1;
select min(a) from t1 group by grp;
drop table t1;


#
# Test for Bug#9338 lame substitution of c1 instead of c2
#

CREATE table t1 ( c1 integer );
INSERT INTO t1 VALUES ( 1 );
INSERT INTO t1 VALUES ( 2 );
INSERT INTO t1 VALUES ( 3 );

CREATE TABLE t2 ( c2 integer );
INSERT INTO t2 VALUES ( 1 );
INSERT INTO t2 VALUES ( 4 );
INSERT INTO t2 VALUES ( 5 );

SELECT * FROM t1 LEFT JOIN t2 ON c1 = c2 WHERE c2 IN (1);

SELECT * FROM t1 LEFT JOIN t2 ON c1 = c2
  WHERE c2 IN ( SELECT c2 FROM t2 WHERE c2 IN ( 1 ) );

DROP TABLE t1,t2;


#
# Test for Bug#9516 wrong evaluation of not_null_tables attribute in SQ
#
CREATE TABLE t1 ( c1 integer );
INSERT INTO t1 VALUES ( 1 );
INSERT INTO t1 VALUES ( 2 );
INSERT INTO t1 VALUES ( 3 );
INSERT INTO t1 VALUES ( 6 );

CREATE TABLE t2 ( c2 integer );
INSERT INTO t2 VALUES ( 1 );
INSERT INTO t2 VALUES ( 4 );
INSERT INTO t2 VALUES ( 5 );
INSERT INTO t2 VALUES ( 6 );

CREATE TABLE t3 ( c3 integer );
INSERT INTO t3 VALUES ( 7 );
INSERT INTO t3 VALUES ( 8 );

SELECT c1,c2 FROM t1 LEFT JOIN t2 ON c1 = c2
  WHERE EXISTS (SELECT c3 FROM t3 WHERE c2 IS NULL );

DROP TABLE t1,t2,t3;


#
# Item_int_with_ref check (Bug#10020)
#
CREATE TABLE `t1` (
  `itemid` bigint(20) unsigned NOT NULL auto_increment,
  `sessionid` bigint(20) unsigned default NULL,
  `time` int(10) unsigned NOT NULL default '0',
  `type` set('A','D','E','F','G','I','L','N','U') collate latin1_general_ci NOT
NULL default '',
  `data` text collate latin1_general_ci NOT NULL,
  PRIMARY KEY  (`itemid`)
) DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `t1` VALUES (1, 1, 1, 'D', '');
CREATE TABLE `t2` (
  `sessionid` bigint(20) unsigned NOT NULL auto_increment,
  `pid` int(10) unsigned NOT NULL default '0',
  `date` int(10) unsigned NOT NULL default '0',
  `ip` varchar(15) collate latin1_general_ci NOT NULL default '',
  PRIMARY KEY  (`sessionid`)
) DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO `t2` VALUES (1, 1, 1, '10.10.10.1');
SELECT s.ip, count( e.itemid ) FROM `t1` e JOIN t2 s ON s.sessionid = e.sessionid WHERE e.sessionid = ( SELECT sessionid FROM t2 ORDER BY sessionid DESC LIMIT 1 ) GROUP BY s.ip HAVING count( e.itemid ) >0 LIMIT 0 , 30;
drop tables t1,t2;


#
# Correct building of equal fields list (do not include outer
# fields) (Bug#6384)
#
CREATE TABLE t1 (EMPNUM   CHAR(3));
CREATE TABLE t2 (EMPNUM   CHAR(3) );
INSERT INTO t1 VALUES ('E1'),('E2');
INSERT INTO t2 VALUES ('E1');
DELETE FROM t1
WHERE t1.EMPNUM NOT IN
      (SELECT t2.EMPNUM
       FROM t2
       WHERE t1.EMPNUM = t2.EMPNUM);
select * from t1;
DROP TABLE t1,t2;


#
# Test for Bug#11487 range access in a subquery
#

CREATE TABLE t1(select_id BIGINT, values_id BIGINT);
INSERT INTO t1 VALUES (1, 1);
CREATE TABLE t2 (select_id BIGINT, values_id BIGINT,
                 PRIMARY KEY(select_id,values_id));
INSERT INTO t2 VALUES (0, 1), (0, 2), (0, 3), (1, 5);

SELECT values_id FROM t1
WHERE values_id IN (SELECT values_id FROM t2
                    WHERE select_id IN (1, 0));
SELECT values_id FROM t1
WHERE values_id IN (SELECT values_id FROM t2
                    WHERE select_id BETWEEN 0 AND 1);
SELECT values_id FROM t1
WHERE values_id IN (SELECT values_id FROM t2
                    WHERE select_id = 0 OR select_id = 1);

DROP TABLE t1, t2;


# Bug#11821 Select from subselect using aggregate function on an enum segfaults
create table t1 (fld enum('0','1'));
insert into t1 values ('1');
select * from (select max(fld) from t1) as foo;
drop table t1;


#
# Test for Bug#11762 subquery with an aggregate function in HAVING
#

CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (c int, d int);
CREATE TABLE t3 (e int);

INSERT INTO t1 VALUES
  (1,10), (2,10), (1,20), (2,20), (3,20), (2,30), (4,40);
INSERT INTO t2 VALUES
  (2,10), (2,20), (4,10), (5,10), (3,20), (2,40);
INSERT INTO t3 VALUES (10), (30), (10), (20) ;

SELECT a, MAX(b), MIN(b) FROM t1 GROUP BY a;
SELECT * FROM t2;
SELECT * FROM t3;

SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2 WHERE MAX(b)>20);
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2 WHERE MAX(b)<d);
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2 WHERE MAX(b)>d);
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2
                 WHERE d >= SOME(SELECT e FROM t3 WHERE MAX(b)=e));
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2
                 WHERE  EXISTS(SELECT e FROM t3 WHERE MAX(b)=e AND e <= d));
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2
                 WHERE d > SOME(SELECT e FROM t3 WHERE MAX(b)=e));
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2
                 WHERE  EXISTS(SELECT e FROM t3 WHERE MAX(b)=e AND e < d));
SELECT a FROM t1 GROUP BY a
  HAVING a IN (SELECT c FROM t2
                 WHERE MIN(b) < d AND
                       EXISTS(SELECT e FROM t3 WHERE MAX(b)=e AND e <= d));

SELECT a, SUM(a) FROM t1 GROUP BY a;

SELECT a FROM t1
   WHERE EXISTS(SELECT c FROM t2 GROUP BY c HAVING SUM(a) = c) GROUP BY a;
SELECT a FROM t1 GROUP BY a
   HAVING EXISTS(SELECT c FROM t2 GROUP BY c HAVING SUM(a) = c);

SELECT a FROM t1
   WHERE a < 3 AND
         EXISTS(SELECT c FROM t2 GROUP BY c HAVING SUM(a) != c) GROUP BY a;
SELECT a FROM t1
   WHERE a < 3 AND
         EXISTS(SELECT c FROM t2 GROUP BY c HAVING SUM(a) != c);

SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a < ALL(SELECT t2.c FROM t2 GROUP BY t2.c
                       HAVING EXISTS(SELECT t3.e FROM t3 GROUP BY t3.e
                                       HAVING SUM(t1.a+t2.c) < t3.e/4));
SELECT t1.a FROM t1 GROUP BY t1.a
       HAVING t1.a > ALL(SELECT t2.c FROM t2
                           WHERE EXISTS(SELECT t3.e FROM t3 GROUP BY t3.e
                                          HAVING SUM(t1.a+t2.c) < t3.e/4));
-- error ER_INVALID_GROUP_FUNC_USE
SELECT t1.a FROM t1 GROUP BY t1.a
       HAVING t1.a > ALL(SELECT t2.c FROM t2
                           WHERE EXISTS(SELECT t3.e FROM t3
                                          WHERE SUM(t1.a+t2.c) < t3.e/4));
-- error ER_INVALID_GROUP_FUNC_USE
SELECT t1.a from t1 GROUP BY t1.a HAVING AVG(SUM(t1.b)) > 20;

SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a IN (SELECT t2.c FROM t2 GROUP BY t2.c
                    HAVING AVG(t2.c+SUM(t1.b)) > 20);
SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a IN (SELECT t2.c FROM t2 GROUP BY t2.c
                    HAVING AVG(SUM(t1.b)) > 20);

SELECT t1.a, SUM(b) AS sum  FROM t1 GROUP BY t1.a
  HAVING t1.a IN (SELECT t2.c FROM t2 GROUP BY t2.c
                    HAVING t2.c+sum > 20);

DROP TABLE t1,t2,t3;


#
# Test for Bug#16603 GROUP BY in a row subquery with a quantifier
#                    when an index is defined on the grouping field

CREATE TABLE t1 (a varchar(5), b varchar(10));
INSERT INTO t1 VALUES
  ('AAA', 5), ('BBB', 4), ('BBB', 1), ('CCC', 2),
  ('CCC', 7), ('AAA', 2), ('AAA', 4), ('BBB', 3), ('AAA', 8);

SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);

ALTER TABLE t1 ADD INDEX(a);

SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);
EXPLAIN
SELECT * FROM t1 WHERE (a,b) = ANY (SELECT a, max(b) FROM t1 GROUP BY a);

DROP TABLE t1;


#
# Bug#17366 Unchecked Item_int results in server crash
#
create table t1( f1 int,f2 int);
insert into t1 values (1,1),(2,2);
select tt.t from (select 'crash1' as t, f2 from t1) as tt left join t1 on tt.t = 'crash2' and tt.f2 = t1.f2 where tt.t = 'crash1';
drop table t1;


#
# Bug#18306 server crash on delete using subquery.
#

create table t1 (c int, key(c));
insert into t1 values (1142477582), (1142455969);
create table t2 (a int, b int);
insert into t2 values (2, 1), (1, 0);
delete from t1 where c <= 1140006215 and (select b from t2 where a = 2) = 1;
drop table t1, t2;


#
# Bug#7549 Missing error message for invalid view selection with subquery
#

CREATE TABLE t1 (a INT);

--error ER_BAD_FIELD_ERROR
CREATE VIEW v1 AS SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);
--error ER_BAD_FIELD_ERROR
CREATE VIEW v2 AS SELECT * FROM t1 WHERE no_such_column = (SELECT 1);
--error ER_BAD_FIELD_ERROR
SELECT * FROM t1 WHERE no_such_column = ANY (SELECT 1);

DROP TABLE t1;


#
# Bug#19077 A nested materialized derived table is used before being populated.
#
create table t1 (i int, j bigint);
insert into t1 values (1, 2), (2, 2), (3, 2);
select * from (select min(i) from t1 where j=(select * from (select min(j) from t1) t2)) t3;
drop table t1;


#
# Bug#19700 subselect returning BIGINT always returned it as SIGNED
#
CREATE TABLE t1 (i BIGINT UNSIGNED);
INSERT INTO t1 VALUES (10000000000000000000); # > MAX SIGNED BIGINT 9323372036854775807
INSERT INTO t1 VALUES (1);

CREATE TABLE t2 (i BIGINT UNSIGNED);
INSERT INTO t2 VALUES (10000000000000000000); # same as first table
INSERT INTO t2 VALUES (1);

/* simple test */
SELECT t1.i FROM t1 JOIN t2 ON t1.i = t2.i;

/* subquery test */
SELECT t1.i FROM t1 WHERE t1.i = (SELECT MAX(i) FROM t2);

/* subquery test with cast*/
SELECT t1.i FROM t1 WHERE t1.i = CAST((SELECT MAX(i) FROM t2) AS UNSIGNED);

DROP TABLE t1;
DROP TABLE t2;


#
# Bug#20519 subselect with LIMIT M, N
#

CREATE TABLE t1 (
  id bigint(20) unsigned NOT NULL auto_increment,
  name varchar(255) NOT NULL,
  PRIMARY KEY  (id)
);
INSERT INTO t1 VALUES
  (1, 'Balazs'), (2, 'Joe'), (3, 'Frank');

CREATE TABLE t2 (
  id bigint(20) unsigned NOT NULL auto_increment,
  mid bigint(20) unsigned NOT NULL,
  date date NOT NULL,
  PRIMARY KEY  (id)
);
INSERT INTO t2 VALUES
  (1, 1, '2006-03-30'), (2, 2, '2006-04-06'), (3, 3, '2006-04-13'),
  (4, 2, '2006-04-20'), (5, 1, '2006-05-01');

SELECT *,
      (SELECT date FROM t2 WHERE mid = t1.id
         ORDER BY date DESC LIMIT 0, 1) AS date_last,
      (SELECT date FROM t2 WHERE mid = t1.id
         ORDER BY date DESC LIMIT 3, 1) AS date_next_to_last
  FROM t1;
SELECT *,
      (SELECT COUNT(*) FROM t2 WHERE mid = t1.id
         ORDER BY date DESC LIMIT 1, 1) AS date_count
  FROM t1;
SELECT *,
      (SELECT date FROM t2 WHERE mid = t1.id
         ORDER BY date DESC LIMIT 0, 1) AS date_last,
      (SELECT date FROM t2 WHERE mid = t1.id
         ORDER BY date DESC LIMIT 1, 1) AS date_next_to_last
  FROM t1;
DROP TABLE t1,t2;


#
# Bug#20869 subselect with range access by DESC
#

CREATE TABLE t1 (
  i1 int(11) NOT NULL default '0',
  i2 int(11) NOT NULL default '0',
  t datetime NOT NULL default '0000-00-00 00:00:00',
  PRIMARY KEY  (i1,i2,t)
);
INSERT INTO t1 VALUES
(24,1,'2005-03-03 16:31:31'),(24,1,'2005-05-27 12:40:07'),
(24,1,'2005-05-27 12:40:08'),(24,1,'2005-05-27 12:40:10'),
(24,1,'2005-05-27 12:40:25'),(24,1,'2005-05-27 12:40:30'),
(24,2,'2005-03-03 13:43:05'),(24,2,'2005-03-03 16:23:31'),
(24,2,'2005-03-03 16:31:30'),(24,2,'2005-05-27 12:37:02'),
(24,2,'2005-05-27 12:40:06');

CREATE TABLE t2 (
  i1 int(11) NOT NULL default '0',
  i2 int(11) NOT NULL default '0',
  t datetime default NULL,
  PRIMARY KEY  (i1)
);
INSERT INTO t2 VALUES (24,1,'2006-06-20 12:29:40');

EXPLAIN
SELECT * FROM t1,t2
  WHERE t1.t = (SELECT t1.t FROM t1
                  WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
                    ORDER BY t1.t DESC LIMIT 1);
SELECT * FROM t1,t2
  WHERE t1.t = (SELECT t1.t FROM t1
                  WHERE t1.t < t2.t  AND t1.i2=1 AND t2.i1=t1.i1
                    ORDER BY t1.t DESC LIMIT 1);

DROP TABLE t1, t2;


#
# Bug#14654 Cannot select from the same table twice within a UNION statement
#
CREATE TABLE t1 (i INT);

(SELECT i FROM t1) UNION (SELECT i FROM t1);
SELECT sql_no_cache * FROM t1 WHERE NOT EXISTS
  (
   (SELECT i FROM t1) UNION
   (SELECT i FROM t1)
  );

SELECT * FROM t1
WHERE NOT EXISTS (((SELECT i FROM t1) UNION (SELECT i FROM t1)));

explain select ((select t11.i from t1 t11) union (select t12.i from t1 t12))
  from t1;

explain select * from t1 where not exists
  ((select t11.i from t1 t11) union (select t12.i from t1 t12));

DROP TABLE t1;


#
# Bug#21798 memory leak during query execution with subquery in column
#           list using a function
#
CREATE TABLE t1 (a VARCHAR(250), b INT auto_increment, PRIMARY KEY (b));
insert into t1 (a) values (FLOOR(rand() * 100));
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;
insert into t1 (a) select FLOOR(rand() * 100) from t1;

SELECT a,
       (SELECT REPEAT(' ',250) FROM t1 i1
        WHERE i1.b=t1.a ORDER BY RAND() LIMIT 1) AS a
FROM t1 ORDER BY a LIMIT 5;
DROP TABLE t1;


#
# Bug#21540 Subqueries with no from and aggregate functions return
#           wrong results

CREATE TABLE t1 (a INT, b INT);
CREATE TABLE t2 (a INT);
INSERT INTO t2 values (1);
INSERT INTO t1 VALUES (1,1),(1,2),(2,3),(3,4);
SELECT (SELECT COUNT(DISTINCT t1.b) from t2) FROM t1 GROUP BY t1.a;
SELECT
 (SELECT COUNT(DISTINCT t1.b) from t2 union select 1 from t2 where 12 < 3) AS m
  FROM t1 GROUP BY t1.a;
SELECT COUNT(DISTINCT t1.b), (SELECT COUNT(DISTINCT t1.b)) FROM t1 GROUP BY t1.a;
SELECT COUNT(DISTINCT t1.b),
       (SELECT COUNT(DISTINCT t1.b) union select 1 from DUAL where 12 < 3) AS m
  FROM t1 GROUP BY t1.a;
SELECT (
    SELECT (
      SELECT COUNT(DISTINCT t1.b)
    )
)
FROM t1 GROUP BY t1.a;
SELECT (
  SELECT (
      SELECT (
        SELECT COUNT(DISTINCT t1.b)
      )
  )
  FROM t1 GROUP BY t1.a LIMIT 1) AS m
FROM t1 t2
GROUP BY t2.a;
DROP TABLE t1,t2;

#
# Bug#21727 Correlated subquery that requires filesort:
#           slow with big sort_buffer_size
#

CREATE TABLE t1 (a int, b int, PRIMARY KEY (b));
CREATE TABLE t2 (x int auto_increment, y int, z int,
                 PRIMARY KEY (x), FOREIGN KEY (y) REFERENCES t1 (b));
create table t3 (a int);
insert into t3 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

insert into t1 select RAND()*1000, A.a + 10*(B.a+10*(C.a+10*D.a))
from t3 A, t3 B, t3 C, t3 D where D.a<3;
insert into t2(y,z) select t1.b, RAND()*1000 from t1, t3;
enable_query_log;

SET SESSION sort_buffer_size = 32 * 1024;
SELECT SQL_NO_CACHE COUNT(*)
  FROM (SELECT  a, b, (SELECT x FROM t2 WHERE y=b ORDER BY z DESC LIMIT 1) c
          FROM t1) t;

SET SESSION sort_buffer_size = 8 * 1024 * 1024;
SELECT SQL_NO_CACHE COUNT(*)
  FROM (SELECT  a, b, (SELECT x FROM t2 WHERE y=b ORDER BY z DESC LIMIT 1) c
          FROM t1) t;

DROP TABLE t1,t2,t3;

#
# Bug#25219 EXIST subquery with UNION over a mix of
#           correlated and uncorrelated selects
#

CREATE TABLE t1 (id char(4) PRIMARY KEY, c int);
CREATE TABLE t2 (c int);

INSERT INTO t1 VALUES ('aa', 1);
INSERT INTO t2 VALUES (1);

SELECT * FROM t1
  WHERE EXISTS (SELECT c FROM t2 WHERE c=1
                UNION
                SELECT c from t2 WHERE c=t1.c);

INSERT INTO t1 VALUES ('bb', 2), ('cc', 3), ('dd',1);

SELECT * FROM t1
  WHERE EXISTS (SELECT c FROM t2 WHERE c=1
                UNION
                SELECT c from t2 WHERE c=t1.c);

INSERT INTO t2 VALUES (2);
CREATE TABLE t3 (c int);
INSERT INTO t3 VALUES (1);

SELECT * FROM t1
  WHERE EXISTS (SELECT t2.c FROM t2 JOIN t3 ON t2.c=t3.c WHERE t2.c=1
                UNION
                SELECT c from t2 WHERE c=t1.c);

DROP TABLE t1,t2,t3;


#
# Bug#23800 Outer fields in correlated subqueries is used in a temporary
#           table created for sorting.
#
CREATE TABLE t1(f1 int);
CREATE TABLE t2(f2 int, f21 int, f3 timestamp);
INSERT INTO t1 VALUES (1),(1),(2),(2);
INSERT INTO t2 VALUES (1,1,"2004-02-29 11:11:11"), (2,2,"2004-02-29 11:11:11");
SELECT ((SELECT f2 FROM t2 WHERE f21=f1 LIMIT 1) * COUNT(f1)) AS sq FROM t1 GROUP BY f1;
SELECT (SELECT SUM(1) FROM t2 ttt GROUP BY t2.f3 LIMIT 1) AS tt FROM t2;
PREPARE stmt1 FROM 'SELECT ((SELECT f2 FROM t2 WHERE f21=f1 LIMIT 1) * COUNT(f1)) AS sq FROM t1 GROUP BY f1';
EXECUTE stmt1;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
SELECT f2, AVG(f21),
      (SELECT t.f3 FROM t2 AS t WHERE t2.f2=t.f2 AND t.f3=MAX(t2.f3)) AS test
  FROM t2 GROUP BY f2;
DROP TABLE t1,t2;
CREATE TABLE t1 (a int, b INT, c CHAR(10) NOT NULL);
INSERT INTO t1 VALUES
  (1,1,'a'), (1,2,'b'), (1,3,'c'), (1,4,'d'), (1,5,'e'),
  (2,1,'f'), (2,2,'g'), (2,3,'h'), (3,4,'i'), (3,3,'j'),
  (3,2,'k'), (3,1,'l'), (1,9,'m');
SELECT a, MAX(b),
      (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b)) AS test
  FROM t1 GROUP BY a;
DROP TABLE t1;


#
# Bug#21904 (parser problem when using IN with a double "(())")
#

--disable_warnings
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t1xt2;
--enable_warnings

CREATE TABLE t1 (
  id_1 int(5) NOT NULL,
  t varchar(4) DEFAULT NULL
);

CREATE TABLE t2 (
  id_2 int(5) NOT NULL,
  t varchar(4) DEFAULT NULL
);

CREATE TABLE t1xt2 (
  id_1 int(5) NOT NULL,
  id_2 int(5) NOT NULL
);

INSERT INTO t1 VALUES (1, 'a'), (2, 'b'), (3, 'c'), (4, 'd');

INSERT INTO t2 VALUES (2, 'bb'), (3, 'cc'), (4, 'dd'), (12, 'aa');

INSERT INTO t1xt2 VALUES (2, 2), (3, 3), (4, 4);

# subselect returns 0 rows

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN ((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1))));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN ((SELECT t1xt2.id_2 FROM t1xt2 where t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (((SELECT t1xt2.id_2 FROM t1xt2 where t1.id_1 = t1xt2.id_1))));

insert INTO t1xt2 VALUES (1, 12);

# subselect returns 1 row

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN ((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1))));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN ((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1))));

insert INTO t1xt2 VALUES (2, 12);

# subselect returns more than 1 row

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN ((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 IN (((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1))));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN ((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1)));

SELECT DISTINCT t1.id_1 FROM t1 WHERE
(12 NOT IN (((SELECT t1xt2.id_2 FROM t1xt2 WHERE t1.id_1 = t1xt2.id_1))));

DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t1xt2;


#
# Bug#26728 derived table with concatanation of literals in select list
#

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (3), (1), (2);

SELECT 'this is ' 'a test.' AS col1, a AS col2 FROM t1;
SELECT * FROM (SELECT 'this is ' 'a test.' AS col1, a AS t2 FROM t1) t;

DROP table t1;


#
# Bug#27257 COUNT(*) aggregated in outer query
#

CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (m int, n int);
INSERT INTO t1 VALUES (2,2), (2,2), (3,3), (3,3), (3,3), (4,4);
INSERT INTO t2 VALUES (1,11), (2,22), (3,32), (4,44), (4,44);

SELECT COUNT(*), a,
       (SELECT m FROM t2 WHERE m = count(*) LIMIT 1)
  FROM t1 GROUP BY a;

SELECT COUNT(*), a,
       (SELECT MIN(m) FROM t2 WHERE m = count(*))
  FROM t1 GROUP BY a;

SELECT COUNT(*), a
  FROM t1 GROUP BY a
    HAVING (SELECT MIN(m) FROM t2 WHERE m = count(*)) > 1;

DROP TABLE t1,t2;


#
# Bug#27229 GROUP_CONCAT in subselect with COUNT() as an argument
#

CREATE TABLE t1 (a int, b int);
CREATE TABLE t2 (m int, n int);
INSERT INTO t1 VALUES (2,2), (2,2), (3,3), (3,3), (3,3), (4,4);
INSERT INTO t2 VALUES (1,11), (2,22), (3,32), (4,44), (4,44);

SELECT COUNT(*) c, a,
       (SELECT GROUP_CONCAT(COUNT(a)) FROM t2 WHERE m = a)
  FROM t1 GROUP BY a;

SELECT COUNT(*) c, a,
       (SELECT GROUP_CONCAT(COUNT(a)+1) FROM t2 WHERE m = a)
  FROM t1 GROUP BY a;

DROP table t1,t2;

#
# Bug#27321 Wrong subquery result in a grouping select
#
CREATE TABLE t1 (a int, b INT, d INT, c CHAR(10) NOT NULL, PRIMARY KEY (a, b));
INSERT INTO t1 VALUES (1,1,0,'a'), (1,2,0,'b'), (1,3,0,'c'), (1,4,0,'d'),
(1,5,0,'e'), (2,1,0,'f'), (2,2,0,'g'), (2,3,0,'h'), (3,4,0,'i'), (3,3,0,'j'),
(3,2,0,'k'), (3,1,0,'l'), (1,9,0,'m'), (1,0,10,'n'), (2,0,5,'o'), (3,0,7,'p');

SELECT a, MAX(b),
  (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b + 0)) as test
  FROM t1 GROUP BY a;
SELECT a x, MAX(b),
  (SELECT t.c FROM t1 AS t WHERE x=t.a AND t.b=MAX(t1.b + 0)) as test
  FROM t1 GROUP BY a;
SELECT a, AVG(b),
  (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=AVG(t1.b)) AS test
  FROM t1 WHERE t1.d=0 GROUP BY a;

SELECT tt.a,
 (SELECT (SELECT c FROM t1 as t WHERE t1.a=t.a AND t.d=MAX(t1.b + tt.a)
  LIMIT 1) FROM t1 WHERE t1.a=tt.a GROUP BY a LIMIT 1) as test
  FROM t1 as tt;

SELECT tt.a,
 (SELECT (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.d=MAX(t1.b + tt.a)
  LIMIT 1)
  FROM t1 WHERE t1.a=tt.a GROUP BY a LIMIT 1) as test
  FROM t1 as tt GROUP BY tt.a;

SELECT tt.a, MAX(
 (SELECT (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.d=MAX(t1.b + tt.a)
  LIMIT 1)
  FROM t1 WHERE t1.a=tt.a GROUP BY a LIMIT 1)) as test
  FROM t1 as tt GROUP BY tt.a;

DROP TABLE t1;


#
# Bug#27348 SET FUNCTION used in a subquery from WHERE condition
#

CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (2,22),(1,11),(2,22);

SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 0 GROUP BY a;
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 1 GROUP BY a;

SELECT a FROM t1 t0
  WHERE (SELECT COUNT(t0.b) FROM t1 t WHERE t.b>20) GROUP BY a;

--disable_service_connection
SET @@sql_mode='ansi';
--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 0 GROUP BY a;
--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 1 GROUP BY a;

--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 t0
  WHERE (SELECT COUNT(t0.b) FROM t1 t WHERE t.b>20) GROUP BY a;

SET @@sql_mode=default;
--enable_service_connection

DROP TABLE t1;


#
# Bug#27363 nested aggregates in outer, subquery / sum(select count(outer))
#
CREATE TABLE t1 (a INT); INSERT INTO t1 values (1),(1),(1),(1);
CREATE TABLE t2 (x INT); INSERT INTO t1 values (1000),(1001),(1002);

--error ER_INVALID_GROUP_FUNC_USE
SELECT SUM( (SELECT COUNT(a) FROM t2) ) FROM t1;
--error ER_INVALID_GROUP_FUNC_USE
SELECT SUM( (SELECT SUM(COUNT(a)) FROM t2) ) FROM t1;
SELECT COUNT(1) FROM DUAL;

--error ER_INVALID_GROUP_FUNC_USE
SELECT SUM( (SELECT AVG( (SELECT t1.a FROM t2) ) FROM DUAL) ) FROM t1;

--error ER_INVALID_GROUP_FUNC_USE
SELECT
  SUM( (SELECT AVG( (SELECT COUNT(*) FROM t1 t HAVING t1.a < 12) ) FROM t2) )
FROM t1;

--error ER_INVALID_GROUP_FUNC_USE
SELECT t1.a as XXA,
   SUM( (SELECT AVG( (SELECT COUNT(*) FROM t1 t HAVING XXA < 12) ) FROM t2) )
FROM t1;

DROP TABLE t1,t2;


#
# Bug#27807 Server crash when executing subquery with EXPLAIN
#
CREATE TABLE t1 (a int, b int, KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1);
EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b);
DROP TABLE t1;


#
# Bug#28377 grouping query with a correlated subquery in WHERE condition
#

CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id));
INSERT INTO t1 VALUES
  (3,'FL'), (2,'GA'), (4,'FL'), (1,'GA'), (5,'NY'), (7,'FL'), (6,'NY');
CREATE TABLE t2 (id int NOT NULL, INDEX idx(id));
INSERT INTO t2 VALUES (7), (5), (1), (3);

SELECT id, st FROM t1
  WHERE st IN ('GA','FL') AND EXISTS(SELECT 1 FROM t2 WHERE t2.id=t1.id);
SELECT id, st FROM t1
  WHERE st IN ('GA','FL') AND EXISTS(SELECT 1 FROM t2 WHERE t2.id=t1.id)
    GROUP BY id;

SELECT id, st FROM t1
  WHERE st IN ('GA','FL') AND NOT EXISTS(SELECT 1 FROM t2 WHERE t2.id=t1.id);
SELECT id, st FROM t1
  WHERE st IN ('GA','FL') AND NOT EXISTS(SELECT 1 FROM t2 WHERE t2.id=t1.id)
    GROUP BY id;

DROP TABLE t1,t2;


#
# Bug#28728 crash with EXPLAIN EXTENDED for a query with a derived table
#           over a grouping subselect
#

CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (1), (2);

EXPLAIN EXTENDED
SELECT * FROM (SELECT count(*) FROM t1 GROUP BY a) as res;

DROP TABLE t1;


#
# Bug#28811 crash for query containing subquery with ORDER BY and LIMIT 1
#

CREATE TABLE t1 (
  a varchar(255) default NULL,
  b timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
  INDEX idx(a,b)
);
CREATE TABLE t2 (
  a varchar(255) default NULL
);

INSERT INTO t1 VALUES ('abcdefghijk','2007-05-07 06:00:24');
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO `t1` VALUES ('asdf','2007-02-08 01:11:26');
INSERT INTO `t2` VALUES ('abcdefghijk');
INSERT INTO `t2` VALUES ('asdf');

SET session sort_buffer_size=8192;

SELECT (SELECT 1 FROM  t1 WHERE t1.a=t2.a ORDER BY t1.b LIMIT 1) AS d1 FROM t2;

DROP TABLE t1,t2;


#
# Bug#27333 subquery grouped for aggregate of outer query / no aggregate
#           of subquery
#

CREATE TABLE t1 (a INTEGER, b INTEGER);
CREATE TABLE t2 (x INTEGER);
INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
INSERT INTO t2 VALUES (1), (2);

# wasn't failing, but should
--error ER_SUBQUERY_NO_1_ROW
SELECT a, COUNT(b), (SELECT COUNT(b) FROM t2) FROM t1 GROUP BY a;

# fails as it should
--error ER_SUBQUERY_NO_1_ROW
SELECT a, COUNT(b), (SELECT COUNT(b)+0 FROM t2) FROM t1 GROUP BY a;

SELECT (SELECT SUM(t1.a)/AVG(t2.x) FROM t2) FROM t1;

DROP TABLE t1,t2;

# second test case from 27333
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1, 2), (1,3), (1,4), (2,1), (2,2);

# returns no rows, when it should
SELECT a1.a, COUNT(*) FROM t1 a1 WHERE a1.a = 1
AND EXISTS( SELECT a2.a FROM t1 a2 WHERE a2.a = a1.a)
GROUP BY a1.a;
DROP TABLE t1;

#test cases from 29297
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1),(2);
SELECT (SELECT SUM(t1.a) FROM t2 WHERE a=0) FROM t1;
--error ER_SUBQUERY_NO_1_ROW
SELECT (SELECT SUM(t1.a) FROM t2 WHERE a!=0) FROM t1;
SELECT (SELECT SUM(t1.a) FROM t2 WHERE a=1) FROM t1;
DROP TABLE t1,t2;

#
# Bug#31884 Assertion + crash in subquery in the SELECT clause.
#

CREATE TABLE t1 (a1 INT, a2 INT);
CREATE TABLE t2 (b1 INT, b2 INT);

INSERT INTO t1 VALUES (100, 200);
INSERT INTO t1 VALUES (101, 201);
INSERT INTO t2 VALUES (101, 201);
INSERT INTO t2 VALUES (103, 203);

SELECT ((a1,a2) IN (SELECT * FROM t2 WHERE b2 > 0)) IS NULL FROM t1;
DROP TABLE t1, t2;

#
# Bug31048 Many nested subqueries may cause server crash.
#
#create table t1(a int,b int,key(a),key(b));
#insert into t1(a,b) values (1,2),(2,1),(2,3),(3,4),(5,4),(5,5),
#  (6,7),(7,4),(5,3);
#  TODO: enable the test after fixing 33266 in 6.0

#let $nesting= 26;
#let $should_work_nesting= 5;
#let $start= select sum(a),a from t1 where a> ( select sum(a) from t1 ;
#let $end= )group by a ;
#let $start_app= where a> ( select sum(a) from t1 ;
#let $end_pre= )group by b limit 1 ;

#--disable_result_log
#--disable_query_log
# At least 4 level nesting should work without errors
#while ($should_work_nesting)
#{
#--echo $should_work_nesting
#  eval $start $end;
#  eval explain $start $end;
#  let $start= $start
#  $start_app;
#  let $end= $end_pre
#  $end;
#  dec $should_work_nesting;
#}
# Other may fail with the 'stack overrun error'
#while ($nesting)
#{
#--echo $nesting
#--error 0,1436
#  eval $start $end;
#--error 0,1436
#  eval explain $start $end;
#  let $start= $start
#  $start_app;
#  let $end= $end_pre
#  $end;
#  dec $nesting;
#}
#--enable_result_log
#--enable_query_log
#drop table t1;

#
# Bug#28076 inconsistent binary/varbinary comparison
#

CREATE TABLE t1 (s1 BINARY(5), s2 VARBINARY(5));
INSERT INTO t1 VALUES (0x41,0x41), (0x42,0x42), (0x43,0x43);

SELECT s1, s2 FROM t1 WHERE s2 IN (SELECT s1 FROM t1);
SELECT s1, s2 FROM t1 WHERE (s2, 10) IN (SELECT s1, 10 FROM t1);

CREATE INDEX I1 ON t1 (s1);
CREATE INDEX I2 ON t1 (s2);

SELECT s1, s2 FROM t1 WHERE s2 IN (SELECT s1 FROM t1);
SELECT s1, s2 FROM t1 WHERE (s2, 10) IN (SELECT s1, 10 FROM t1);

TRUNCATE t1;
INSERT INTO t1 VALUES (0x41,0x41);
SELECT * FROM t1 WHERE s1 = (SELECT s2 FROM t1);

DROP TABLE t1;

CREATE TABLE t1 (a1 VARBINARY(2) NOT NULL DEFAULT '0', PRIMARY KEY (a1));
CREATE TABLE t2 (a2 BINARY(2) default '0', INDEX (a2));
CREATE TABLE t3 (a3 BINARY(2) default '0');
INSERT INTO t1 VALUES (1),(2),(3),(4);
INSERT INTO t2 VALUES (1),(2),(3);
INSERT INTO t3 VALUES (1),(2),(3);
SELECT LEFT(t2.a2, 1) FROM t2,t3 WHERE t3.a3=t2.a2;
SELECT t1.a1, t1.a1 in (SELECT t2.a2 FROM t2,t3 WHERE t3.a3=t2.a2) FROM t1;
DROP TABLE t1,t2,t3;

CREATE TABLE t1 (a1 BINARY(3) PRIMARY KEY, b1 VARBINARY(3));
CREATE TABLE t2 (a2 VARBINARY(3) PRIMARY KEY);
CREATE TABLE t3 (a3 VARBINARY(3) PRIMARY KEY);
INSERT INTO t1 VALUES (1,10), (2,20), (3,30), (4,40);
INSERT INTO t2 VALUES (2), (3), (4), (5);
INSERT INTO t3 VALUES (10), (20), (30);
SELECT LEFT(t1.a1,1) FROM t1,t3 WHERE t1.b1=t3.a3;
SELECT a2 FROM t2 WHERE t2.a2 IN (SELECT t1.a1 FROM t1,t3 WHERE t1.b1=t3.a3);
DROP TABLE t1, t2, t3;


#
# Bug#30788 Inconsistent retrieval of char/varchar
#

SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='semijoin_with_cache=off';
SET optimizer_switch='materialization=off';

CREATE TABLE t1 (a CHAR(1), b VARCHAR(10));
INSERT INTO t1 VALUES ('a', 'aa');
INSERT INTO t1 VALUES ('a', 'aaa');
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
CREATE INDEX I1 ON t1 (a);
CREATE INDEX I2 ON t1 (b);
EXPLAIN SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1);

CREATE TABLE t2 (a VARCHAR(1), b VARCHAR(10));
INSERT INTO t2 SELECT * FROM t1;
CREATE INDEX I1 ON t2 (a);
CREATE INDEX I2 ON t2 (b);
EXPLAIN SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
SELECT a,b FROM t2 WHERE b IN (SELECT a FROM t2);
EXPLAIN
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500);
SELECT a,b FROM t1 WHERE b IN (SELECT a FROM t1 WHERE LENGTH(a)<500);

DROP TABLE t1,t2;

SET optimizer_switch= @save_optimizer_switch;

#
# Bug#32400 Complex SELECT query returns correct result only on some occasions
#

CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 VALUES (1,1), (1,2), (2,3), (2,4);

--error ER_BAD_FIELD_ERROR
EXPLAIN
SELECT a AS out_a, MIN(b) FROM t1
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = out_a)
GROUP BY a;

--error ER_BAD_FIELD_ERROR
SELECT a AS out_a, MIN(b) FROM t1
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = out_a)
GROUP BY a;

EXPLAIN
SELECT a AS out_a, MIN(b) FROM t1 t1_outer
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = t1_outer.a)
GROUP BY a;

SELECT a AS out_a, MIN(b) FROM t1 t1_outer
WHERE b > (SELECT MIN(b) FROM t1 WHERE a = t1_outer.a)
GROUP BY a;

DROP TABLE t1;


#
# Bug#32036 EXISTS within a WHERE clause with a UNION crashes MySQL 5.122
#

CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);

INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1),(2);

SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));


EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
                               (SELECT 1 FROM t2 WHERE t1.a = t2.a));

DROP TABLE t1,t2;


#
# Bug#33675 Usage of an uninitialized memory by filesort in a subquery
#           caused server crash.
#
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1(f11 int, f12 int);
create table t2(f21 int unsigned not null, f22 int, f23 varchar(10));
insert into t1 values(1,1),(2,2), (3, 3);
--disable_warnings
insert ignore into t2
select -1 , (@a:=(A.a + 10 * (B.a + 10 * (C.a+10*D.a))))/5000 + 1, @a
from t0 A, t0 B, t0 C, t0 D;
--enable_warnings
set session sort_buffer_size= 33*1024;
select count(*) from t1 where f12 =
(select f22 from t2 where f22 = f12 order by f21 desc, f22, f23 limit 1);

drop table t0,t1,t2;

#
# Bug#33794 "MySQL crashes executing specific query on specific dump"
#
CREATE TABLE t4 (
  f7 varchar(32) collate utf8_bin NOT NULL default '',
  f10 varchar(32) collate utf8_bin default NULL,
  PRIMARY KEY  (f7)
);
INSERT INTO t4 VALUES(1,1), (2,null);

CREATE TABLE t2 (
  f4 varchar(32) collate utf8_bin NOT NULL default '',
  f2 varchar(50) collate utf8_bin default NULL,
  f3 varchar(10) collate utf8_bin default NULL,
  PRIMARY KEY  (f4),
  UNIQUE KEY uk1 (f2)
);
INSERT INTO t2 VALUES(1,1,null), (2,2,null);

CREATE TABLE t1 (
  f8 varchar(32) collate utf8_bin NOT NULL default '',
  f1 varchar(10) collate utf8_bin default NULL,
  f9 varchar(32) collate utf8_bin default NULL,
  PRIMARY KEY  (f8)
);
INSERT INTO t1 VALUES (1,'P',1), (2,'P',1), (3,'R',2);

CREATE TABLE t3 (
  f6 varchar(32) collate utf8_bin NOT NULL default '',
  f5 varchar(50) collate utf8_bin default NULL,
  PRIMARY KEY (f6)
);
INSERT INTO t3 VALUES (1,null), (2,null);

SELECT
  IF(t1.f1 = 'R', a1.f2, t2.f2) AS a4,
  IF(t1.f1 = 'R', a1.f3, t2.f3) AS f3,
  SUM(
    IF(
      (SELECT VPC.f2
       FROM t2 VPC, t4 a2, t2 a3
       WHERE
         VPC.f4 = a2.f10 AND a3.f2 = a4
       LIMIT 1) IS NULL,
       0,
       t3.f5
    )
  ) AS a6
FROM
  t2, t3, t1 JOIN t2 a1 ON t1.f9 = a1.f4
GROUP BY a4;

DROP TABLE t1, t2, t3, t4;


#
# Bug#36139 "float, zerofill, crash with subquery"
#
create table t1 (a float(5,4) zerofill);
create table t2 (a float(5,4),b float(2,0));

select t1.a from t1 where
  t1.a= (select b from t2 limit 1) and not
  t1.a= (select a from t2 limit 1) ;

drop table t1, t2;


#
# Bug#36011 Server crash with explain extended on query with dependent
#           subqueries
#

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
SET @save_join_cache_level=@@join_cache_level;
SET join_cache_level=0;
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 GROUP BY a);
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
SET join_cache_level=@save_join_cache_level;
DROP TABLE t1;

--echo #
--echo # Bug#45061: Incorrectly market field caused wrong result.
--echo #
CREATE TABLE `C` (
  `int_nokey` int(11) NOT NULL,
  `int_key` int(11) NOT NULL,
  KEY `int_key` (`int_key`)
);

INSERT INTO `C` VALUES (9,9), (0,0), (8,6), (3,6), (7,6), (0,4),
(1,7), (9,4), (0,8), (9,4), (0,7), (5,5), (0,0), (8,5), (8,7),
(5,2), (1,8), (7,0), (0,9), (9,5);

--disable_warnings
SELECT * FROM C WHERE `int_key` IN (SELECT `int_nokey`);
EXPLAIN EXTENDED SELECT * FROM C WHERE `int_key` IN (SELECT `int_nokey`);
--enable_warnings

DROP TABLE C;
--echo # End of test for bug#45061.


--echo #
--echo # Bug #46749: Segfault in add_key_fields() with outer subquery level 
--echo #   field references
--echo #

CREATE TABLE t1 (
  a int,
  b int,
  UNIQUE (a), KEY (b)
);
INSERT INTO t1 VALUES (1,1), (2,1);

CREATE TABLE st1 like t1;
INSERT INTO st1 VALUES (1,1), (2,1);

CREATE TABLE st2 like t1;
INSERT INTO st2 VALUES (1,1), (2,1);

# should have "impossible where"
EXPLAIN
SELECT MAX(b), (SELECT COUNT(*) FROM st1,st2 WHERE st2.b <= t1.b)
FROM t1 
WHERE a = 230;

# should not crash
SELECT MAX(b), (SELECT COUNT(*) FROM st1,st2 WHERE st2.b <= t1.b)
FROM t1 
WHERE a = 230;

DROP TABLE t1, st1, st2;

--echo #
--echo # Bug #48709: Assertion failed in sql_select.cc:11782: 
--echo #   int join_read_key(JOIN_TAB*)
--echo #

CREATE TABLE t1 (pk int PRIMARY KEY, int_key int);
INSERT INTO t1 VALUES (10,1), (14,1);

CREATE TABLE t2 (pk int PRIMARY KEY, int_key int);
INSERT INTO t2 VALUES (3,3), (5,NULL), (7,3);

--echo # should have eq_ref for t1
--replace_column 1 x 2 x 5 x 6 x 7 x 8 x 9 x 10 x
EXPLAIN
SELECT * FROM t2 outr
WHERE outr.int_key NOT IN (SELECT t1.pk FROM t1, t2)  
ORDER BY outr.pk;

--echo # should not crash on debug binaries
SELECT * FROM t2 outr
WHERE outr.int_key NOT IN (SELECT t1.pk FROM t1, t2)  
ORDER BY outr.pk;

DROP TABLE t1,t2;

--echo #
--echo # Bug#12329653 
--echo # EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
--echo #

CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);

SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';

## First a simpler query, illustrating the transformation
## '1 < some (...)' => '1 < max(...)'
EXPLAIN EXTENDED
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);

## The query which made the server crash.
PREPARE stmt FROM 
'SELECT 1 UNION ALL 
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0  
  WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;

--error ER_SUBQUERY_NO_1_ROW
EXECUTE stmt ;
--error ER_SUBQUERY_NO_1_ROW
EXECUTE stmt ;

SET SESSION sql_mode=@old_sql_mode;

DEALLOCATE PREPARE stmt;
DROP TABLE t1;

--echo #
--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
--echo #

CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);

SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';

## All these are subject to the transformation
## '1 < some (...)' => '1 < max(...)'
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);

SET SESSION sql_mode=@old_sql_mode;

DROP TABLE t1, t2;

--echo #
--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
--echo #

create table t2(i int);
insert into t2 values(0);

SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';

CREATE VIEW v1 AS  
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;

CREATE TABLE t1 (
  pk int NOT NULL,
  col_varchar_key varchar(1) DEFAULT NULL,
  PRIMARY KEY (pk),
  KEY col_varchar_key (col_varchar_key)
);

SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;

SET SESSION sql_mode=@old_sql_mode;

drop table t2, t1;
drop view v1;

--echo # End of 5.0 tests.

#
# Test [NOT] IN truth table (both as top-level and general predicate).
#

create table t_out (subcase char(3),
                    a1 char(2), b1 char(2), c1 char(2));
create table t_in  (a2 char(2), b2 char(2), c2 char(2));

insert into t_out values ('A.1','2a', NULL, '2a');
#------------------------- A.2 - impossible
insert into t_out values ('A.3', '2a', NULL, '2a');
insert into t_out values ('A.4', '2a', NULL, 'xx');
insert into t_out values ('B.1', '2a', '2a', '2a');
insert into t_out values ('B.2', '2a', '2a', '2a');
insert into t_out values ('B.3', '3a', 'xx', '3a');
insert into t_out values ('B.4', 'xx', '3a', '3a');

insert into t_in values ('1a', '1a', '1a');
insert into t_in values ('2a', '2a', '2a');
insert into t_in values (NULL, '2a', '2a');
insert into t_in values ('3a', NULL, '3a');
-- echo
-- echo Test general IN semantics (not top-level)
-- echo
-- echo case A.1
select subcase,
       (a1, b1, c1)     IN (select * from t_in where a2 = 'no_match') pred_in,
       (a1, b1, c1) NOT IN (select * from t_in where a2 = 'no_match') pred_not_in
from t_out where subcase = 'A.1';

-- echo case A.2 - impossible

-- echo case A.3
select subcase,
       (a1, b1, c1)     IN (select * from t_in) pred_in,
       (a1, b1, c1) NOT IN (select * from t_in) pred_not_in
from t_out where subcase = 'A.3';

-- echo case A.4
select subcase,
       (a1, b1, c1)     IN (select * from t_in) pred_in,
       (a1, b1, c1) NOT IN (select * from t_in) pred_not_in
from t_out where subcase = 'A.4';

-- echo case B.1
select subcase,
       (a1, b1, c1)     IN (select * from t_in where a2 = 'no_match') pred_in,
       (a1, b1, c1) NOT IN (select * from t_in where a2 = 'no_match') pred_not_in
from t_out where subcase = 'B.1';

-- echo case B.2
select subcase,
       (a1, b1, c1)     IN (select * from t_in) pred_in,
       (a1, b1, c1) NOT IN (select * from t_in) pred_not_in
from t_out where subcase = 'B.2';

-- echo case B.3
select subcase,
       (a1, b1, c1)     IN (select * from t_in) pred_in,
       (a1, b1, c1) NOT IN (select * from t_in) pred_not_in
from t_out where subcase = 'B.3';

-- echo case B.4
select subcase,
       (a1, b1, c1)     IN (select * from t_in) pred_in,
       (a1, b1, c1) NOT IN (select * from t_in) pred_not_in
from t_out where subcase = 'B.4';

-- echo
-- echo Test IN as top-level predicate, and
-- echo as non-top level for cases A.3, B.3 (the only cases with NULL result).
-- echo
-- echo case A.1
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'A.1' and
      (a1, b1, c1) IN (select * from t_in where a1 = 'no_match');

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'A.1' and
      (a1, b1, c1) NOT IN (select * from t_in where a1 = 'no_match');

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'A.1' and
      NOT((a1, b1, c1) IN (select * from t_in where a1 = 'no_match'));

-- echo case A.3
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'A.3' and
      (a1, b1, c1) IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'A.3' and
      (a1, b1, c1) NOT IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'A.3' and
      NOT((a1, b1, c1) IN (select * from t_in));
# test non-top level result indirectly
select case when count(*) > 0 then 'N' else 'wrong result' end as pred_in from t_out
where subcase = 'A.3' and
      ((a1, b1, c1) IN (select * from t_in)) is NULL and
      ((a1, b1, c1) NOT IN (select * from t_in)) is NULL;

-- echo case A.4
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'A.4' and
      (a1, b1, c1) IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'A.4' and
      (a1, b1, c1) NOT IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'A.4' and
      NOT((a1, b1, c1) IN (select * from t_in));

-- echo case B.1
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'B.1' and
      (a1, b1, c1) IN (select * from t_in where a1 = 'no_match');

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'B.1' and
      (a1, b1, c1) NOT IN (select * from t_in where a1 = 'no_match');

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'B.1' and
      NOT((a1, b1, c1) IN (select * from t_in where a1 = 'no_match'));

-- echo case B.2
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'B.2' and
      (a1, b1, c1) IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'B.2' and
      (a1, b1, c1) NOT IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'B.2' and
      NOT((a1, b1, c1) IN (select * from t_in));

-- echo case B.3
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'B.3' and
      (a1, b1, c1) IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'B.3' and
      (a1, b1, c1) NOT IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'B.3' and
      NOT((a1, b1, c1) IN (select * from t_in));
# test non-top level result indirectly
select case when count(*) > 0 then 'N' else 'wrong result' end as pred_in from t_out
where subcase = 'B.3' and
      ((a1, b1, c1) IN (select * from t_in)) is NULL and
      ((a1, b1, c1) NOT IN (select * from t_in)) is NULL;

-- echo case B.4
select case when count(*) > 0 then 'T' else 'F' end as pred_in from t_out
where subcase = 'B.4' and
      (a1, b1, c1) IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as pred_not_in from t_out
where subcase = 'B.4' and
      (a1, b1, c1) NOT IN (select * from t_in);

select case when count(*) > 0 then 'T' else 'F' end as not_pred_in from t_out
where subcase = 'B.4' and
      NOT((a1, b1, c1) IN (select * from t_in));

drop table t_out;
drop table t_in;


#
# Bug#27348 SET FUNCTION used in  a subquery from WHERE condition
#

CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (2,22),(1,11),(2,22);

SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 0 GROUP BY a;
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 1 GROUP BY a;

SELECT a FROM t1 t0
  WHERE (SELECT COUNT(t0.b) FROM t1 t WHERE t.b>20) GROUP BY a;

--disable_service_connection

SET @@sql_mode='ansi';
--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 0 GROUP BY a;
--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 WHERE (SELECT COUNT(b) FROM DUAL) > 1 GROUP BY a;

--error ER_INVALID_GROUP_FUNC_USE
SELECT a FROM t1 t0
  WHERE (SELECT COUNT(t0.b) FROM t1 t WHERE t.b>20) GROUP BY a;

SET @@sql_mode=default;
--enable_service_connection

DROP TABLE t1;

#
# Bug#20835 (literal string with =any values)
#
CREATE TABLE t1 (s1 CHAR(1));
INSERT INTO t1 VALUES ('a');
SELECT * FROM t1 WHERE _utf8'a' = ANY (SELECT s1 FROM t1);
DROP TABLE t1;

#
# Bug#37004 NOT IN subquery with MAX over an empty set
#

CREATE TABLE t1(c INT, KEY(c));
CREATE TABLE t2(a INT, b INT);
INSERT INTO t2 VALUES (1, 10), (2, NULL);
INSERT INTO t1 VALUES (1), (3);

SELECT * FROM t2 WHERE b NOT IN (SELECT max(t.c) FROM t1, t1 t WHERE t.c>10);

DROP TABLE t1,t2;

#
# Bug#38191 Server crash with subquery containing DISTINCT and ORDER BY
#

CREATE TABLE t1(pk INT PRIMARY KEY, a INT, INDEX idx(a));
INSERT INTO t1 VALUES (1, 10), (3, 30), (2, 20);
CREATE TABLE t2(pk INT PRIMARY KEY, a INT, b INT, INDEX idxa(a));
INSERT INTO t2 VALUES (2, 20, 700), (1, 10, 200), (4, 10, 100);
SELECT * FROM t1
   WHERE EXISTS (SELECT DISTINCT a FROM t2 WHERE t1.a < t2.a ORDER BY b);
DROP TABLE t1,t2;

#
# Bug#37548 result value erronously reported being NULL in certain subqueries
#

CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), KEY b (b));

INSERT INTO t1 VALUES (1,NULL), (9,NULL);

CREATE TABLE t2 (
  a INT,
  b INT,
  c INT,
  d INT,
  PRIMARY KEY (a),
  UNIQUE KEY b (b,c,d),
  KEY b_2 (b),
  KEY c (c),
  KEY d (d)
);

INSERT INTO t2 VALUES
  (43, 2, 11 ,30),
  (44, 2, 12 ,30),
  (45, 1, 1  ,10000),
  (46, 1, 2  ,10000),
  (556,1, 32 ,10000);

CREATE TABLE t3 (
  a INT,
  b INT,
  c INT,
  PRIMARY KEY (a),
  UNIQUE KEY b (b,c),
  KEY c (c),
  KEY b_2 (b)
);

INSERT INTO t3 VALUES (1,1,1), (2,32,1), (3,33,1), (4,34,2);

explain
SELECT t1.a, (SELECT 1 FROM t2 WHERE t2.b=t3.c AND t2.c=t1.a ORDER BY t2.d LIMIT 1) AS incorrect FROM t1, t3 WHERE t3.b=t1.a;
SELECT t1.a, (SELECT 1 FROM t2 WHERE t2.b=t3.c AND t2.c=t1.a ORDER BY t2.d LIMIT 1) AS incorrect FROM t1, t3 WHERE t3.b=t1.a;

DROP TABLE t1,t2,t3;

# -- echo #
# -- echo # Bug#33204: INTO is allowed in subselect, causing inconsistent results
# -- echo #
# CREATE TABLE t1( a INT );
# INSERT INTO t1 VALUES (1),(2);
# 
# CREATE TABLE t2( a INT, b INT );
# 
# --error ER_PARSE_ERROR
# SELECT *
# FROM (SELECT a INTO @var FROM t1 WHERE a = 2) t1a;
# --error ER_PARSE_ERROR
# SELECT *
# FROM (SELECT a INTO OUTFILE 'file' FROM t1 WHERE a = 2) t1a;
# --error ER_PARSE_ERROR
# SELECT *
# FROM (SELECT a INTO DUMPFILE 'file' FROM t1 WHERE a = 2) t1a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM (
#   SELECT 1 a
#   UNION
#   SELECT a INTO @var FROM t1 WHERE a = 2
# ) t1a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM (
#   SELECT 1 a
#   UNION
#   SELECT a INTO OUTFILE 'file' FROM t1 WHERE a = 2
# ) t1a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM (
#   SELECT 1 a
#   UNION
#   SELECT a INTO DUMPFILE 'file' FROM t1 WHERE a = 2
# ) t1a;
# 
# SELECT * FROM (SELECT a FROM t1 WHERE a = 2) t1a;
# 
# SELECT * FROM (
#   SELECT a FROM t1 WHERE a = 2
#   UNION
#   SELECT a FROM t1 WHERE a = 2
# ) t1a;
# 
# SELECT * FROM (
#   SELECT 1 a
#   UNION
#   SELECT a FROM t1 WHERE a = 2
#   UNION
#   SELECT a FROM t1 WHERE a = 2
# ) t1a;
# 
# # This was not allowed previously. Possibly, it should be allowed on the future.
# # For now, the intent is to keep the fix as non-intrusive as possible.
# --error ER_PARSE_ERROR
# SELECT * FROM ((SELECT 1 a) UNION SELECT 1 a);
# SELECT * FROM (SELECT 1 a UNION (SELECT 1 a)) alias;
# SELECT * FROM (SELECT 1 UNION SELECT 1) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM ((SELECT 1 a INTO @a)) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM ((SELECT 1 a INTO OUTFILE 'file' )) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM ((SELECT 1 a INTO DUMPFILE 'file' )) t1a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO @a)) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO DUMPFILE 'file' )) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO OUTFILE 'file' )) t1a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO @a))) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO DUMPFILE 'file' ))) t1a;
# --error ER_PARSE_ERROR
# SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO OUTFILE 'file' ))) t1a;
# 
# SELECT * FROM (SELECT 1 a ORDER BY a) t1a;
# SELECT * FROM (SELECT 1 a UNION SELECT 1 a ORDER BY a) t1a;
# SELECT * FROM (SELECT 1 a UNION SELECT 1 a LIMIT 1) t1a;
# SELECT * FROM (SELECT 1 a UNION SELECT 1 a ORDER BY a LIMIT 1) t1a;
# 
# # Test of rule
# # table_factor:  '(' get_select_lex query_expression_body ')' opt_table_alias
# # UNION should not be allowed inside the parentheses, nor should
# # aliases after.
# #
# SELECT * FROM t1 JOIN  (SELECT 1 UNION SELECT 1) alias ON 1;
# --error ER_PARSE_ERROR
# SELECT * FROM t1 JOIN ((SELECT 1 UNION SELECT 1)) ON 1;
# --error ER_PARSE_ERROR
# SELECT * FROM t1 JOIN  (t1 t1a UNION SELECT 1)  ON 1;
# --error ER_PARSE_ERROR
# SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
# --error ER_PARSE_ERROR
# SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
# --error ER_PARSE_ERROR
# SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;
# 
# SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
# SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;
# 
# SELECT * FROM (t1 t1a);
# SELECT * FROM ((t1 t1a));
# 
# SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
# SELECT * FROM t1 JOIN ((SELECT 1 t1a)) alias ON 1;
# 
# SELECT * FROM t1 JOIN  (SELECT 1 a)  a ON 1;
# SELECT * FROM t1 JOIN ((SELECT 1 a)) a ON 1;
# 
# # For the join, TABLE_LIST::select_lex == NULL
# # Check that we handle this.
# --error ER_PARSE_ERROR
# SELECT * FROM (t1 JOIN (SELECT 1) t1a1 ON 1) t1a2;
# 
# SELECT * FROM t1 WHERE a = ALL ( SELECT 1 );
# SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION SELECT 1 );
# SELECT * FROM t1 WHERE a = ANY ( SELECT 3 UNION SELECT 1 );
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO @a);
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );
# 
# SELECT * FROM t1 WHERE a = ( SELECT 1 );
# SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 INTO @a);
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 INTO OUTFILE 'file' );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 INTO DUMPFILE 'file' );
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO @a);
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );
# 
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 INTO @v );
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 INTO OUTFILE 'file' );
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 INTO DUMPFILE 'file' );
# 
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 UNION SELECT 1 INTO @v );
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );
# 
# # Make sure context is popped when we leave the nested select
# SELECT ( SELECT a FROM t1 WHERE a = 1 ), a FROM t1;
# SELECT ( SELECT a FROM t1 WHERE a = 1 UNION SELECT 1 ), a FROM t1;
# 
# # Make sure we have feature F561 (see .yy file)
# SELECT * FROM t2 WHERE (a, b) IN (SELECT a, b FROM t2);
# 
# # Make sure the parser does not allow nested UNIONs anywhere
# 
# --error ER_PARSE_ERROR
# SELECT 1 UNION ( SELECT 1 UNION SELECT 1 );
# --error ER_PARSE_ERROR
# ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;
# 
# --error ER_PARSE_ERROR
# SELECT ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# --error ER_PARSE_ERROR
# SELECT ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;
# SELECT ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
# SELECT ((SELECT 1 UNION SELECT 1 UNION SELECT 1));
# 
# --error ER_PARSE_ERROR
# SELECT * FROM ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# --error ER_PARSE_ERROR
# SELECT * FROM ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
# SELECT * FROM ( SELECT 1 UNION SELECT 1 UNION SELECT 1 ) a;
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a =     ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a IN    ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a =     ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ALL ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a = ANY ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a IN    ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
# 
# SELECT * FROM t1 WHERE a =     ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
# SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
# SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
# SELECT * FROM t1 WHERE a IN    ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE EXISTS ( SELECT 1 UNION SELECT 1 INTO @v );
# SELECT EXISTS(SELECT 1+1);
# --error ER_PARSE_ERROR
# SELECT EXISTS(SELECT 1+1 INTO @test);
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a IN ( SELECT 1 UNION SELECT 1 INTO @v );
# 
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE EXISTS ( SELECT 1 INTO @v );
# --error ER_PARSE_ERROR
# SELECT * FROM t1 WHERE a IN ( SELECT 1 INTO @v );
# DROP TABLE t1, t2;
#
# Bug#37460 Assertion failed:
# !table->file || table->file->inited == handler::NONE
#
CREATE TABLE t1 (id int);
CREATE TABLE t2 (id int, c int);

INSERT INTO t1 (id) VALUES (1);
INSERT INTO t2 (id) VALUES (1);
INSERT INTO t1 (id) VALUES (1);
INSERT INTO t2 (id) VALUES (1);

CREATE VIEW v1 AS
SELECT t2.c AS c FROM t1, t2
WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;
UPDATE v1 SET c=1;

CREATE VIEW v2 (a,b) AS
SELECT t2.id, t2.c AS c FROM t1, t2
WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;

--error ER_VIEW_CHECK_FAILED
INSERT INTO v2(a,b) VALUES (2,2);

# disabled for now as this refers to old content of t2
--disable_parsing
INSERT INTO v2(a,b) VALUES (1,2);
--enable_parsing
SELECT * FROM v1;

CREATE VIEW v3 AS
SELECT t2.c AS c FROM t2
WHERE 1 IN (SELECT id FROM t1) WITH CHECK OPTION;

DELETE FROM v3;

DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;

--echo #
--echo # BUG#37822 Correlated subquery with IN and IS UNKNOWN provides wrong result
--echo #
create table t1(id integer primary key, g integer, v integer, s char(1));
create table t2(id integer primary key, g integer, v integer, s char(1));
insert into t1 values
  (10, 10, 10,   'l'),
  (20, 20, 20,   'l'),
  (40, 40, 40,   'l'),
  (41, 40, null, 'l'),
  (50, 50, 50,   'l'),
  (51, 50, null, 'l'),
  (60, 60, 60,   'l'),
  (61, 60, null, 'l'),
  (70, 70, 70,   'l'),
  (90, 90, null, 'l');
insert into t2 values
  (10, 10, 10,   'r'),
  (30, 30, 30,   'r'),
  (50, 50, 50,   'r'),
  (60, 60, 60,   'r'),
  (61, 60, null, 'r'),
  (70, 70, 70,   'r'),
  (71, 70, null, 'r'),
  (80, 80, 80,   'r'),
  (81, 80, null, 'r'),
  (100,100,null, 'r');

select *
from t1
where v in(select v
           from t2
           where t1.g=t2.g) is unknown;
drop table t1, t2;

--echo #
--echo # Bug#37822 Correlated subquery with IN and IS UNKNOWN provides wrong result
--echo #
create table t1(id integer primary key, g integer, v integer, s char(1));
create table t2(id integer primary key, g integer, v integer, s char(1));
insert into t1 values
  (10, 10, 10,   'l'),
  (20, 20, 20,   'l'),
  (40, 40, 40,   'l'),
  (41, 40, null, 'l'),
  (50, 50, 50,   'l'),
  (51, 50, null, 'l'),
  (60, 60, 60,   'l'),
  (61, 60, null, 'l'),
  (70, 70, 70,   'l'),
  (90, 90, null, 'l');
insert into t2 values
  (10, 10, 10,   'r'),
  (30, 30, 30,   'r'),
  (50, 50, 50,   'r'),
  (60, 60, 60,   'r'),
  (61, 60, null, 'r'),
  (70, 70, 70,   'r'),
  (71, 70, null, 'r'),
  (80, 80, 80,   'r'),
  (81, 80, null, 'r'),
  (100,100,null, 'r');

select *
from t1
where v in(select v
           from t2
           where t1.g=t2.g) is unknown;
drop table t1, t2;

-- echo #
-- echo # Bug#33204: INTO is allowed in subselect, causing inconsistent results
-- echo #
CREATE TABLE t1( a INT );
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2( a INT, b INT );

--error ER_PARSE_ERROR
SELECT * 
FROM (SELECT a INTO @var FROM t1 WHERE a = 2) t1a;
--error ER_PARSE_ERROR
SELECT * 
FROM (SELECT a INTO OUTFILE 'file' FROM t1 WHERE a = 2) t1a;
--error ER_PARSE_ERROR
SELECT * 
FROM (SELECT a INTO DUMPFILE 'file' FROM t1 WHERE a = 2) t1a;

--error ER_PARSE_ERROR
SELECT * FROM ( 
  SELECT 1 a 
  UNION 
  SELECT a INTO @var FROM t1 WHERE a = 2 
) t1a;

--error ER_PARSE_ERROR
SELECT * FROM ( 
  SELECT 1 a 
  UNION 
  SELECT a INTO OUTFILE 'file' FROM t1 WHERE a = 2 
) t1a;

--error ER_PARSE_ERROR
SELECT * FROM ( 
  SELECT 1 a 
  UNION 
  SELECT a INTO DUMPFILE 'file' FROM t1 WHERE a = 2 
) t1a;

SELECT * FROM (SELECT a FROM t1 WHERE a = 2) t1a;

SELECT * FROM ( 
  SELECT a FROM t1 WHERE a = 2 
  UNION 
  SELECT a FROM t1 WHERE a = 2 
) t1a;

SELECT * FROM ( 
  SELECT 1 a 
  UNION 
  SELECT a FROM t1 WHERE a = 2 
  UNION 
  SELECT a FROM t1 WHERE a = 2 
) t1a;

# This was not allowed previously. Possibly, it should be allowed on the future.
# For now, the intent is to keep the fix as non-intrusive as possible.
SELECT * FROM ((SELECT 1 a) UNION SELECT 1 a) q;
SELECT * FROM (SELECT 1 a UNION (SELECT 1 a)) alias;
SELECT * FROM (SELECT 1 UNION SELECT 1) t1a;
--error ER_PARSE_ERROR
SELECT * FROM ((SELECT 1 a INTO @a)) t1a;
--error ER_PARSE_ERROR
SELECT * FROM ((SELECT 1 a INTO OUTFILE 'file' )) t1a;
--error ER_PARSE_ERROR
SELECT * FROM ((SELECT 1 a INTO DUMPFILE 'file' )) t1a;

--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO @a)) t1a;
--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO DUMPFILE 'file' )) t1a;
--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION (SELECT 1 a INTO OUTFILE 'file' )) t1a;

--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO @a))) t1a;
--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO DUMPFILE 'file' ))) t1a;
--error ER_PARSE_ERROR
SELECT * FROM (SELECT 1 a UNION ((SELECT 1 a INTO OUTFILE 'file' ))) t1a;

SELECT * FROM (SELECT 1 a ORDER BY a) t1a;
SELECT * FROM (SELECT 1 a UNION SELECT 1 a ORDER BY a) t1a;
SELECT * FROM (SELECT 1 a UNION SELECT 1 a LIMIT 1) t1a;
SELECT * FROM (SELECT 1 a UNION SELECT 1 a ORDER BY a LIMIT 1) t1a;

# Test of rule
# table_factor:  '(' get_select_lex query_expression_body ')' opt_table_alias
# UNION should not be allowed inside the parentheses, nor should
# aliases after.
# 
SELECT * FROM t1 JOIN  (SELECT 1 UNION SELECT 1) alias ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN ((SELECT 1 UNION SELECT 1)) ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN  (t1 t1a UNION SELECT 1)  ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN ((t1 t1a UNION SELECT 1)) ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN  (t1 t1a)  t1a ON 1;
--error ER_PARSE_ERROR
SELECT * FROM t1 JOIN ((t1 t1a)) t1a ON 1;

SELECT * FROM t1 JOIN  (t1 t1a)  ON 1;
SELECT * FROM t1 JOIN ((t1 t1a)) ON 1;

SELECT * FROM (t1 t1a);
SELECT * FROM ((t1 t1a));

SELECT * FROM t1 JOIN  (SELECT 1 t1a) alias ON 1;
SELECT * FROM t1 JOIN ((SELECT 1 t1a)) alias ON 1;

SELECT * FROM t1 JOIN  (SELECT 1 a)  a ON 1;
SELECT * FROM t1 JOIN ((SELECT 1 a)) a ON 1;

# For the join, TABLE_LIST::select_lex == NULL
# Check that we handle this.
--error ER_PARSE_ERROR
SELECT * FROM (t1 JOIN (SELECT 1) t1a1 ON 1) t1a2;

SELECT * FROM t1 WHERE a = ALL ( SELECT 1 );
SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION SELECT 1 );
SELECT * FROM t1 WHERE a = ANY ( SELECT 3 UNION SELECT 1 );

--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO @a);
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );

SELECT * FROM t1 WHERE a = ( SELECT 1 );
SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 INTO @a);
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 INTO OUTFILE 'file' );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 INTO DUMPFILE 'file' );

--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO @a);
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a = ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );

--error ER_PARSE_ERROR
SELECT ( SELECT 1 INTO @v );
--error ER_PARSE_ERROR
SELECT ( SELECT 1 INTO OUTFILE 'file' );
--error ER_PARSE_ERROR
SELECT ( SELECT 1 INTO DUMPFILE 'file' );

--error ER_PARSE_ERROR
SELECT ( SELECT 1 UNION SELECT 1 INTO @v );
--error ER_PARSE_ERROR
SELECT ( SELECT 1 UNION SELECT 1 INTO OUTFILE 'file' );
--error ER_PARSE_ERROR
SELECT ( SELECT 1 UNION SELECT 1 INTO DUMPFILE 'file' );

# Make sure context is popped when we leave the nested select
SELECT ( SELECT a FROM t1 WHERE a = 1 ), a FROM t1;
SELECT ( SELECT a FROM t1 WHERE a = 1 UNION SELECT 1 ), a FROM t1;

# Make sure we have feature F561 (see .yy file)
SELECT * FROM t2 WHERE (a, b) IN (SELECT a, b FROM t2);

# Make sure the parser does not allow nested UNIONs anywhere

SELECT 1 UNION ( SELECT 1 UNION SELECT 1 );
( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;

SELECT ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1;
SELECT ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
SELECT ((SELECT 1 UNION SELECT 1 UNION SELECT 1));

--error ER_PARSE_ERROR
SELECT * FROM ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
--error ER_PARSE_ERROR
SELECT * FROM ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 );
SELECT * FROM ( ( SELECT 1 UNION SELECT 1 ) UNION SELECT 1 ) a;
SELECT * FROM ( SELECT 1 UNION SELECT 1 UNION SELECT 1 ) a;

SELECT * FROM t1 WHERE a =     ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );
SELECT * FROM t1 WHERE a IN    ( SELECT 1 UNION ( SELECT 1 UNION SELECT 1 ) );

SELECT * FROM t1 WHERE a =     ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
SELECT * FROM t1 WHERE a = ALL ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
SELECT * FROM t1 WHERE a = ANY ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );
SELECT * FROM t1 WHERE a IN    ( ( SELECT 1 UNION SELECT 1 )  UNION SELECT 1 );

SELECT * FROM t1 WHERE a =     ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
SELECT * FROM t1 WHERE a = ALL ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
SELECT * FROM t1 WHERE a = ANY ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );
SELECT * FROM t1 WHERE a IN    ( SELECT 1 UNION SELECT 1 UNION SELECT 1 );

--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE EXISTS ( SELECT 1 UNION SELECT 1 INTO @v );
SELECT EXISTS(SELECT 1+1);
--error ER_PARSE_ERROR
SELECT EXISTS(SELECT 1+1 INTO @test);
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a IN ( SELECT 1 UNION SELECT 1 INTO @v );

--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE EXISTS ( SELECT 1 INTO @v );
--error ER_PARSE_ERROR
SELECT * FROM t1 WHERE a IN ( SELECT 1 INTO @v );

DROP TABLE t1, t2;
#
# Bug #31157: Crash when select+order by the avg of some field within the
# group by
#
CREATE TABLE t1 (a ENUM('rainbow'));
INSERT INTO t1 VALUES (),(),(),(),();
SELECT 1 FROM t1 GROUP BY (SELECT 1 FROM t1 ORDER BY AVG(LAST_INSERT_ID()));
DROP TABLE t1;
CREATE TABLE t1 (a LONGBLOB);
INSERT INTO t1 SET a = 'aaaa';
INSERT INTO t1 SET a = 'aaaa';
SELECT 1 FROM t1 GROUP BY
  (SELECT LAST_INSERT_ID() FROM t1 ORDER BY MIN(a) ASC LIMIT 1);
DROP TABLE t1;

#Seems to be not needed here: set @@optimizer_switch=@subselect_tmp;
--echo #
--echo # Bug #49512 : subquery with aggregate function crash 
--echo #   subselect_single_select_engine::exec()

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES();

--echo # should not crash
SELECT 1 FROM t1 WHERE a <> SOME
(
 SELECT MAX((SELECT a FROM t1 LIMIT 1)) AS d
 FROM t1,t1 a
);
DROP TABLE t1;

--echo #
--echo # Bug #45989 take 2 : memory leak after explain encounters an 
--echo # error in the query
--echo #

CREATE TABLE t1(a LONGTEXT);
INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));

--error ER_BAD_FIELD_ERROR
EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
WHERE t1.a = d1.a;

DROP TABLE t1;


#
# Bug #47904 Incorrect results w/ table subquery, derived SQs, and LEFT JOIN on index
#

--echo Set up test tables.
CREATE TABLE t1 (
	t1_id INT UNSIGNED,

	PRIMARY KEY(t1_id)
) Engine=MyISAM;

INSERT INTO t1 (t1_id) VALUES (1), (2), (3), (4), (5);

CREATE TABLE t2 SELECT * FROM t1;
	
CREATE TABLE t3 (
	t3_id INT UNSIGNED AUTO_INCREMENT,
	t1_id INT UNSIGNED,
	amount DECIMAL(16,2),

	PRIMARY KEY(t3_id),
	KEY(t1_id)
) Engine=MyISAM;

INSERT INTO t3 (t1_id, t3_id, amount) 
        VALUES (1, 1, 100.00), (2, 2, 200.00), (4, 4, 400.00);

--echo This is the 'inner query' running by itself.
--echo Produces correct results.
SELECT
	t1.t1_id,
	IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
FROM
	t1
	LEFT JOIN t2 ON t2.t1_id=t1.t1_id
GROUP BY
	t1.t1_id
;

--echo SELECT * FROM (the same inner query)
--echo Produces correct results.
SELECT * FROM (
SELECT
	t1.t1_id,
	IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
FROM
	t1
	LEFT JOIN t2 ON t2.t1_id=t1.t1_id
GROUP BY
	t1.t1_id
) AS t;

--echo Now make t2.t1_id part of a key.
ALTER TABLE t2 ADD PRIMARY KEY(t1_id);

--echo Same inner query by itself.
--echo Still correct results.
SELECT
	t1.t1_id,
	IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
FROM
	t1
	LEFT JOIN t2 ON t2.t1_id=t1.t1_id
GROUP BY
	t1.t1_id;

--echo SELECT * FROM (the same inner query), now with indexes on the LEFT JOIN
SELECT * FROM (
SELECT
	t1.t1_id,
	IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
FROM
	t1
	LEFT JOIN t2 ON t2.t1_id=t1.t1_id
GROUP BY
	t1.t1_id
) AS t;


DROP TABLE t3;
DROP TABLE t2;
DROP TABLE t1;


--echo #
--echo # Bug #52711: Segfault when doing EXPLAIN SELECT with 
--echo #  union...order by (select... where...)
--echo #

CREATE TABLE t1 (a VARCHAR(10), FULLTEXT KEY a (a));
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (1),(2);

--echo # Should not crash
--disable_result_log
EXPLAIN
SELECT * FROM t2 UNION SELECT * FROM t2
  ORDER BY (SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE));

--echo # Should not crash
SELECT * FROM t2 UNION SELECT * FROM t2
  ORDER BY (SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE));
DROP TABLE t1,t2;
--enable_result_log

--echo #
--echo # Bug #58818: Incorrect result for IN/ANY subquery
--echo # with HAVING condition 
--echo #

CREATE TABLE t1(i INT);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE TABLE t1s(i INT);
INSERT INTO t1s VALUES (10), (20), (30);
CREATE TABLE t2s(i INT);
INSERT INTO t2s VALUES (100), (200), (300);

SELECT * FROM t1
WHERE t1.i NOT IN
(
  SELECT STRAIGHT_JOIN t2s.i 
  FROM
  t1s LEFT OUTER JOIN t2s ON t2s.i = t1s.i
  HAVING t2s.i = 999
);

SELECT * FROM t1
WHERE t1.I IN
(
  SELECT STRAIGHT_JOIN t2s.i 
  FROM
  t1s LEFT OUTER JOIN t2s ON t2s.i = t1s.i
  HAVING t2s.i = 999
) IS UNKNOWN;

SELECT * FROM t1
WHERE NOT t1.I = ANY
(
  SELECT STRAIGHT_JOIN t2s.i 
  FROM
  t1s LEFT OUTER JOIN t2s ON t2s.i = t1s.i
  HAVING t2s.i = 999
);

SELECT * FROM t1
 WHERE t1.i = ANY (
  SELECT STRAIGHT_JOIN t2s.i 
  FROM
  t1s LEFT OUTER JOIN t2s ON t2s.i = t1s.i
  HAVING t2s.i = 999
 ) IS UNKNOWN;

DROP TABLE t1,t1s,t2s;

--echo # LP BUG#675248 - select->prep_where references on freed memory 

CREATE TABLE t1 (a int, b int);
insert into t1 values (1,1),(0,0);

CREATE TABLE t2 (c int);
insert into t2 values (1),(2);

prepare stmt1 from "select sum(a),(select sum(c) from t2 where table1.b) as sub
from t1 as table1 group by sub";

execute stmt1;

deallocate prepare stmt1;

prepare stmt1 from "select sum(a),(select sum(c) from t2 having table1.b) as sub
from t1 as table1";

execute stmt1;

deallocate prepare stmt1;

drop table t1,t2;

--echo #
--echo # Bug LP#693935/#58727: Assertion failure with 
--echo # a single row subquery returning more than one row
--echo #

create table t1 (a char(1) charset utf8);
insert into t1 values ('a'), ('b');
create table t2 (a binary(1));
insert into t2 values ('x'), ('y');

-- error ER_SUBQUERY_NO_1_ROW
select * from t2 where a=(select a from t1) and a='x';

drop table t1,t2;

--echo # End of 5.1 tests

--echo #
--echo # Bug #11765713 58705:
--echo # OPTIMIZER LET ENGINE DEPEND ON UNINITIALIZED VALUES
--echo # CREATED BY OPT_SUM_QUERY
--echo #

CREATE TABLE t1(a INT NOT NULL, KEY (a));
INSERT INTO t1 VALUES (0), (1);

--error ER_SUBQUERY_NO_1_ROW
SELECT 1 as foo FROM t1 WHERE a < SOME
  (SELECT a FROM t1 WHERE a <=>
    (SELECT a FROM t1)
  );

SELECT 1 as foo FROM t1 WHERE a < SOME
  (SELECT a FROM t1 WHERE a <=>
    (SELECT a FROM t1 where a is null)
  ); 

DROP TABLE t1;

--echo #
--echo # Bug #57704: Cleanup code dies with void TABLE::set_keyread(bool): 
--echo #             Assertion `file' failed.
--echo #

CREATE TABLE t1 (a INT);

--error ER_OPERAND_COLUMNS
SELECT 1 FROM 
  (SELECT ROW(
    (SELECT 1 FROM t1 RIGHT JOIN 
      (SELECT 1 FROM t1, t1 t2) AS d ON 1),
    1) FROM t1) AS e;

DROP TABLE t1;

--echo #
--echo # Bug#13721076 CRASH WITH TIME TYPE/TIMESTAMP() AND WARNINGS IN SUBQUERY
--echo #

CREATE TABLE t1(a TIME NOT NULL);
INSERT INTO t1 VALUES ('00:00:32');

SELECT 1 FROM t1 WHERE a >
(SELECT timestamp(a) AS a FROM t1);

DROP TABLE t1;

--echo #
--echo # No BUG#, a case brought from 5.2's innodb_mysql_lock.test
--echo #

create table t1 (i int  not null primary key);
insert into t1 values (1),(2),(3),(4),(5);

create table t2 (j int not null  primary key);
insert into t2 values (1),(2),(3),(4),(5);

create table t3 (k int not null primary key);
insert into t3 values (1),(2),(3);

create view v2 as select t2.j as j from t2 where t2.j in (select t1.i from t1);

select * from t3 where k in (select j from v2);

drop table t1,t2,t3;
drop view v2;

--echo #
--echo # Bug#52068: Optimizer generates invalid semijoin materialization plan
--echo #
--disable_warnings
drop table if exists ot1, ot2, it1, it2;
--enable_warnings
CREATE TABLE ot1(a INTEGER);
INSERT INTO ot1 VALUES(5), (8);
CREATE TABLE it2(a INTEGER);
INSERT INTO it2 VALUES(9), (5), (1), (8);
CREATE TABLE it3(a INTEGER);
INSERT INTO it3 VALUES(7), (1), (0), (5), (1), (4);
CREATE TABLE ot4(a INTEGER);
INSERT INTO ot4 VALUES(1), (3), (5), (7), (9), (7), (3), (1);

let $query=
SELECT * FROM ot1,ot4
WHERE (ot1.a,ot4.a) IN (SELECT it2.a,it3.a
                        FROM it2,it3);

eval $query;
eval explain $query;

DROP TABLE IF EXISTS ot1, ot4, it2, it3;


--echo #
--echo # Bug#729039: NULL keys used to evaluate subquery
--echo #

CREATE TABLE t1 (a int) ;
INSERT INTO t1 VALUES (NULL), (1), (NULL), (2);

CREATE TABLE t2 (a int, INDEX idx(a)) ;
INSERT INTO t2 VALUES (NULL), (1), (NULL);

SELECT * FROM t1
  WHERE EXISTS (SELECT a FROM t2 USE INDEX () WHERE t2.a = t1.a);
EXPLAIN
SELECT * FROM t1
  WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);

SELECT * FROM t1
  WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
EXPLAIN
SELECT * FROM t1
  WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);

DROP TABLE t1,t2;

--echo #
--echo # BUG#752992: Wrong results for a subquery with 'semijoin=on'
--echo #
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL);
INSERT INTO t1 VALUES (11,0);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (15,0);
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL);
INSERT INTO t2 VALUES (11,1);
INSERT INTO t2 VALUES (12,2);
INSERT INTO t2 VALUES (15,4);


SET @save_join_cache_level=@@join_cache_level;
SET join_cache_level=0;
EXPLAIN SELECT * FROM t1 WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON 1);
SELECT * FROM t1 WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON 1);
SET join_cache_level=@save_join_cache_level;

DROP table t1,t2;

--echo #
--echo # Bug#751350: crash with pushed condition for outer references when
--echo #             there should be none of such conditions
--echo #

CREATE TABLE t1 (a int, b int) ;
INSERT INTO t1 VALUES (0,0),(0,0);
set @optimizer_switch_save=@@optimizer_switch;
set @@optimizer_switch='semijoin=off,materialization=on,in_to_exists=on';
EXPLAIN
SELECT b FROM t1
  WHERE ('0') IN ( SELECT a  FROM t1 GROUP BY a )
    GROUP BY b;

SELECT b FROM t1
  WHERE ('0') IN ( SELECT a  FROM t1 GROUP BY a )
    GROUP BY b;
set @@optimizer_switch=@optimizer_switch_save;
DROP TABLE t1;

--echo #
--echo # Bug #11765713 58705:
--echo # OPTIMIZER LET ENGINE DEPEND ON UNINITIALIZED VALUES
--echo # CREATED BY OPT_SUM_QUERY
--echo #

CREATE TABLE t1(a INT NOT NULL, KEY (a));
INSERT INTO t1 VALUES (0), (1);

--error ER_SUBQUERY_NO_1_ROW
SELECT 1 as foo FROM t1 WHERE a < SOME
  (SELECT a FROM t1 WHERE a <=>
    (SELECT a FROM t1)
  );

SELECT 1 as foo FROM t1 WHERE a < SOME
  (SELECT a FROM t1 WHERE a <=>
    (SELECT a FROM t1 where a is null)
  ); 

DROP TABLE t1;

#
# LP BUG#823169 NULLs with ALL/ANY and maxmin optimization
#
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');

SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );

SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );

delete from t1;
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');

SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );

SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );

drop table t1;

--echo #
--echo # Fix of lp:780386 (NULL left part with empty ALL subquery).
--echo #
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0),(0);

CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ;
INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0);

DROP TABLE IF EXISTS t3;
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);

SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
DROP TABLE t1, t2, t3;

--echo #
--echo # Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
--echo #

CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);

SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';

## All these are subject to the transformation
## '1 < some (...)' => '1 < max(...)'
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);

SET SESSION sql_mode=@old_sql_mode;

DROP TABLE t1, t2;

create table t2(i int);
insert into t2 values(0);

SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';

CREATE VIEW v1 AS  
SELECT 'f' FROM t2 UNION SELECT 'x' FROM t2
;

CREATE TABLE t1 (
  pk int NOT NULL,
  col_varchar_key varchar(1) DEFAULT NULL,
  PRIMARY KEY (pk),
  KEY col_varchar_key (col_varchar_key)
);

SELECT t1.pk
FROM t1
WHERE t1.col_varchar_key < ALL ( SELECT * FROM v1 )
;

SET SESSION sql_mode=@old_sql_mode;

drop table t2, t1;
drop view v1;

--echo #
--echo # BUG#50257: Missing info in REF column of the EXPLAIN 
--echo #            lines for subselects
--echo #

CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);

EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);

DROP TABLE t1;

--echo #
--echo # BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
--echo # (duplicate of LP bug #888456)
--echo #

CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');

CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');

EXPLAIN
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
  WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
                  WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);
--sorted_result
SELECT table1.f1, table2.f1_key FROM t1 AS table1, t2 AS table2
  WHERE EXISTS (SELECT DISTINCT f1_key FROM t2 
                  WHERE f1_key != table2.f1_key AND f1_key >= table1.f1);

DROP TABLE t1,t2;

--echo #
--echo # LP bug 919427: EXPLAIN for a query over a single-row table 
--echo #                with IN subquery in WHERE condition
--echo # 

CREATE TABLE ot (
  col_int_nokey int(11), 
  col_varchar_nokey varchar(1)
) ;
INSERT INTO ot VALUES (1,'x');

CREATE TABLE it1(
  col_int_key int(11), 
  col_varchar_key varchar(1), 
  KEY idx_cvk_cik (col_varchar_key,col_int_key)
);
INSERT INTO it1 VALUES (NULL,'x'), (NULL,'f');

CREATE TABLE it2 (
   col_int_key int(11),
   col_varchar_key varchar(1),
   col_varchar_key2 varchar(1),
   KEY idx_cvk_cvk2_cik (col_varchar_key, col_varchar_key2, col_int_key),
   KEY idx_cvk_cik (col_varchar_key, col_int_key)
);
INSERT INTO it2 VALUES (NULL,'x','x'), (NULL,'f','f');

EXPLAIN
SELECT col_int_nokey FROM ot 
  WHERE col_varchar_nokey IN 
        (SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);
SELECT col_int_nokey FROM ot 
  WHERE col_varchar_nokey IN 
        (SELECT col_varchar_key FROM it1 WHERE col_int_key IS NULL);

EXPLAIN
SELECT col_int_nokey FROM ot
  WHERE (col_varchar_nokey, 'x') IN
        (SELECT col_varchar_key, col_varchar_key2 FROM it2);
SELECT col_int_nokey FROM ot
  WHERE (col_varchar_nokey, 'x') IN
        (SELECT col_varchar_key, col_varchar_key2 FROM it2);

DROP TABLE ot,it1,it2;

--echo #
--echo # MDEV-746
--echo # Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
--echo # HAS AN EMPTY RESULT
--echo #

CREATE TABLE t1 (
  pk int NOT NULL,
  col_int_nokey int NOT NULL,
  col_int_key int NOT NULL,
  col_time_key time NOT NULL,
  col_varchar_key varchar(1) NOT NULL,
  col_varchar_nokey varchar(1) NOT NULL,
  PRIMARY KEY (pk),
  KEY col_int_key (col_int_key),
  KEY col_time_key (col_time_key),
  KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;

CREATE TABLE t2 (
  pk int NOT NULL AUTO_INCREMENT,
  col_int_nokey int NOT NULL,
  col_int_key int NOT NULL,
  col_time_key time NOT NULL,
  col_varchar_key varchar(1) NOT NULL,
  col_varchar_nokey varchar(1) NOT NULL,
  PRIMARY KEY (pk),
  KEY col_int_key (col_int_key),
  KEY col_time_key (col_time_key),
  KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;

INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');

SET @var2:=4, @var3:=8;

--echo
--echo Testcase without inner subquery

let $subq=
SELECT @var3:=12, sq4_alias1.*
FROM t1 AS sq4_alias1
WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
      sq4_alias1.col_varchar_key = @var3;

eval EXPLAIN $subq;
eval $subq;
SELECT @var3;

# Now as derived table:
eval EXPLAIN SELECT * FROM ( $subq ) AS alias3;
eval SELECT * FROM ( $subq ) AS alias3;
SELECT @var3;

--echo
--echo Testcase with inner subquery; crashed WL#6095
SET @var3=8;
let $subq=
SELECT sq4_alias1.*
FROM t1 AS sq4_alias1
WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
      NOT IN
      (SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
              c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
       FROM t2 AS c_sq1_alias1
       WHERE (c_sq1_alias1.col_int_nokey != @var2
              OR c_sq1_alias1.pk != @var3));

eval EXPLAIN $subq;
eval $subq;
# Now as derived table:
eval EXPLAIN SELECT * FROM ( $subq ) AS alias3;
eval SELECT * FROM ( $subq ) AS alias3;

DROP TABLE t1,t2;

--echo # End of 5.2 tests

--echo #
--echo # BUG#779885: Crash in eliminate_item_equal with materialization=on in
--echo #

CREATE TABLE t1 ( f1 int );
INSERT INTO t1 VALUES (19), (20);

CREATE TABLE t2 ( f10 varchar(32) );
INSERT INTO t2 VALUES ('c'),('d');

CREATE TABLE t3 ( f10 varchar(32) );
INSERT INTO t3 VALUES ('a'),('b');

SELECT *
FROM t1
WHERE
( 't' ) IN (
        SELECT t3.f10
        FROM t3
        JOIN t2
        ON t2.f10 = t3.f10
);
DROP TABLE t1,t2,t3;

--echo #
--echo # BUG lp:813473: Wrong result with outer join + NOT IN subquery
--echo # This bug is a duplicate of Bug#11764086 whose test case is added below
--echo #

CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (5),(6);

CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (20,9),(20,9);

create table t3 (d int, e int);
insert into t3 values (2, 9), (3,10);

SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off';

EXPLAIN
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b , t1.c) NOT IN (SELECT * from t3);

SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b, t1.c) NOT IN (SELECT * from t3);

SET optimizer_switch=@save_optimizer_switch;

drop table t1, t2, t3;

--echo #
--echo # BUG#50257: Missing info in REF column of the EXPLAIN 
--echo #            lines for subselects
--echo #

CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);

--echo
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='derived_merge=off,derived_with_keys=off';
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
set optimizer_switch=@tmp_optimizer_switch;
--echo
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);

--echo
DROP TABLE t1;

--echo #
--echo # Bug#11764086: Null left operand to NOT IN in WHERE clause
--echo # behaves differently than real NULL
--echo #

CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);

CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);

--echo # Offending query (c.parent_id is NULL for null-complemented rows only)

SELECT    p.id, c.parent_id
FROM      parent p
LEFT JOIN child  c
ON        p.id = c.parent_id
WHERE     c.parent_id NOT IN (
              SELECT parent_id 
              FROM   child
              WHERE  parent_id = 3
          );

--echo # Some syntactic variations with IS FALSE and IS NOT TRUE

SELECT    p.id, c.parent_id
FROM      parent p
LEFT JOIN child  c
ON        p.id = c.parent_id
WHERE     c.parent_id IN (
              SELECT parent_id 
              FROM   child
              WHERE  parent_id = 3
          ) IS NOT TRUE;

SELECT    p.id, c.parent_id
FROM      parent p
LEFT JOIN child  c
ON        p.id = c.parent_id
WHERE     c.parent_id IN (
              SELECT parent_id 
              FROM   child
              WHERE  parent_id = 3
          ) IS FALSE;

DROP TABLE parent, child;

--echo # End of test for bug#11764086.

--echo #
--echo # Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || 
--echo #                BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
--echo #

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (1); 

CREATE TABLE t2(
  b TEXT, 
  c INT, 
  PRIMARY KEY (b(1))
);
INSERT INTO t2 VALUES ('a', 2), ('b', 3);

SELECT 1 FROM t1 WHERE a = 
 (SELECT 1 FROM t2 WHERE b = 
  (SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
   ORDER BY b
 );

SELECT 1 FROM t1 WHERE a = 
 (SELECT 1 FROM t2 WHERE b = 
  (SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
   GROUP BY b
 );

DROP TABLE t1, t2;

--echo #
--echo # BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
--echo #

CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');

CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');

let $query=SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS 
( 
SELECT DISTINCT f1_key 
FROM t2 
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );

--sorted_result
eval $query;
eval explain $query;

DROP TABLE t1,t2;

--echo #
--echo # lp:826279: assertion failure with GROUP BY a result of subquery
--echo #

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0), (0);

CREATE TABLE t2 (a int, b int, c int);
INSERT INTO t2 VALUES (10,7,0), (0,7,0);

CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,7), (0,7);

SELECT SUM(DISTINCT b),
       (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
          WHERE t.a != 0 AND t2.a != 0) AS m
  FROM (SELECT * FROM t3) AS t
GROUP BY 2;

SELECT SUM(DISTINCT b), 
       (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
  FROM (SELECT * FROM t3) AS t
GROUP BY 2;

DROP TABLE t1,t2,t3;

--echo #
--echo # Bug#12329653 
--echo # EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
--echo #
 
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
 
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
 
## First a simpler query, illustrating the transformation
## '1 < some (...)' => '1 < max(...)'
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
 
## The query which made the server crash.
PREPARE stmt FROM 
'SELECT 1 UNION ALL 
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0  
  WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;
 
--error ER_SUBQUERY_NO_1_ROW
EXECUTE stmt ;
--error ER_SUBQUERY_NO_1_ROW
EXECUTE stmt ;
 
SET SESSION sql_mode=@old_sql_mode;
    
DEALLOCATE PREPARE stmt;
DROP TABLE t1;

--echo #
--echo # LP BUG#833777 Performance regression with deeply nested subqueries
--echo #

create table t1 (a int not null, b char(10) not null);
insert into t1 values (1, 'a');
set @@optimizer_switch='in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off';
select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1 where a in (select a from t1)))))))))))))))))))))))))))));
set @@optimizer_switch=@subselect_tmp;
drop table t1;

--echo #
--echo # LP BUG#894397 Wrong result with in_to_exists, constant table , semijoin=OFF,materialization=OFF
--echo #

CREATE TABLE t1 (a varchar(3));
INSERT INTO t1 VALUES ('AAA'),('BBB');
CREATE TABLE t2 (a varchar(3));
INSERT INTO t2 VALUES ('CCC');
set @@optimizer_switch='semijoin=off,materialization=off,in_to_exists=on,subquery_cache=off';
SELECT * FROM t1 WHERE t1.a IN (SELECT t2.a FROM t2 WHERE t2.a < 'ZZZ');
set @@optimizer_switch=@subselect_tmp;
drop table t1, t2;

--echo #
--echo # LP bug #859375: Assertion `0' failed in st_select_lex_unit::optimize
--echo # with view , UNION and prepared statement (rewriting fake_select
--echo # condition).
--echo #

CREATE TABLE t1 ( f1 int NOT NULL, f4 varchar(1) NOT NULL) ;
INSERT INTO t1 VALUES (6,'d'),(7,'y');

CREATE TABLE t2 ( f1 int NOT NULL, f2 int NOT NULL) ;
INSERT INTO t2 VALUES (10,7);

CREATE VIEW v2 AS SELECT * FROM t2;

PREPARE st1 FROM "
        SELECT *
        FROM t1
        LEFT JOIN v2 ON ( v2.f2 = t1.f1 )
        WHERE v2.f1 NOT IN (
                SELECT 1 UNION
                SELECT 247
        )
";

EXECUTE st1;
deallocate prepare st1;

DROP VIEW v2;
DROP TABLE t1,t2;

--echo #
--echo # LP bug #887458 Crash in subselect_union_engine::no_rows with
--echo # double UNION and join_cache_level=3,8
--echo # (IN/ALL/ANY optimizations should not be applied to fake_select)

CREATE TABLE t2 ( a int, b varchar(1)) ;
INSERT IGNORE INTO t2 VALUES (8,'y'),(8,'y');

CREATE TABLE t1 ( b varchar(1)) ;
INSERT IGNORE INTO t1 VALUES (NULL),(NULL);

set @save_join_cache_level=@@join_cache_level;
SET SESSION join_cache_level=3;

SELECT *
FROM t1, t2
WHERE t2.b IN (
        SELECT 'm' UNION
        SELECT 'm'
) OR t1.b <> SOME (
        SELECT 'v' UNION
        SELECT 't'
);

set @@join_cache_level= @save_join_cache_level;
drop table t1,t2;


--echo #
--echo # LP bug #885162 Got error 124 from storage engine with UNION inside
--echo # subquery and join_cache_level=3..8
--echo # (IN/ALL/ANY optimizations should not be applied to fake_select)
--echo #

CREATE TABLE t1 (
  f1 varchar(1) DEFAULT NULL
  );
INSERT INTO t1 VALUES ('c');
set @save_join_cache_level=@@join_cache_level;
SET SESSION join_cache_level=8;
SELECT * FROM t1 WHERE t1.f1 IN ( SELECT 'k' UNION SELECT 'e' );
set @@join_cache_level= @save_join_cache_level;
drop table t1;


--echo #
--echo # LP BUG#747278 incorrect values of the NULL (no rows) single 
--echo # row subquery requested via element_index() interface
--echo #

CREATE TABLE t1 (f1a int, f1b int) ;
INSERT IGNORE INTO t1 VALUES (1,1),(2,2);
CREATE TABLE t2 ( f2 int);
INSERT IGNORE INTO t2 VALUES (3),(4);
CREATE TABLE t3 (f3a int default 1, f3b int default 2);
INSERT INTO t3 VALUES (1,1),(2,2);

# check different IN with switches where the bug was found
set @old_optimizer_switch = @@session.optimizer_switch;
set @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,subquery_cache=off,semijoin=off';

SELECT
 (SELECT f3a FROM t3 where f3a > 3) NOT IN (SELECT f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a,f3a  FROM t3 where f3a > 3) NOT IN (SELECT f1a,f1a FROM t1) AS m
 FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) NOT IN (SELECT f1a, f1b FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) NOT IN (SELECT f1a, f1b FROM t1) AS m;
SELECT
  (SELECT f3a FROM t3 where f3a > 3) IN (SELECT f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a,f3a  FROM t3 where f3a > 3) IN (SELECT f1a,f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) IN (SELECT f1a, f1b FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) IN (SELECT f1a, f1b FROM t1) AS m;

set @@session.optimizer_switch=@old_optimizer_switch;

# check different IN with default switches
SELECT
  (SELECT f3a FROM t3 where f3a > 3) NOT IN (SELECT f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a,f3a  FROM t3 where f3a > 3) NOT IN (SELECT f1a,f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) NOT IN (SELECT f1a, f1b FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) NOT IN (SELECT f1a, f1b FROM t1) AS m;
SELECT
  (SELECT f3a FROM t3 where f3a > 3) IN (SELECT f1a FROM t1) FROM t2 AS m;
SELECT
  (SELECT f3a,f3a  FROM t3 where f3a > 3) IN (SELECT f1a,f1a FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) IN (SELECT f1a, f1b FROM t1) AS m
FROM t2;
SELECT
  (SELECT f3a, f3b FROM t3 where f3a > 3) IN (SELECT f1a, f1b FROM t1) AS m;

# other row operation with NULL single row subquery also should work
select (null, null) = (null, null);
SELECT (SELECT f3a, f3a FROM t3  where f3a > 3) = (0, 0);

drop tables t1,t2,t3;

--echo #
--echo # LP BUG#825051 Wrong result with date/datetime and subquery with GROUP BY and in_to_exists
--echo #

CREATE TABLE t1 (a date, KEY (a)) ;
INSERT INTO t1 VALUES ('2009-01-01'),('2009-02-02');
set @old_optimizer_switch = @@optimizer_switch;
SET @@optimizer_switch='semijoin=off,materialization=off,in_to_exists=on,subquery_cache=off';
EXPLAIN SELECT * FROM t1 WHERE a IN (SELECT a AS field1 FROM t1 GROUP BY field1);
SELECT * FROM t1 WHERE a IN (SELECT a AS field1 FROM t1 GROUP BY field1);
SET @@optimizer_switch='semijoin=off,materialization=on,in_to_exists=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 WHERE a IN (SELECT a AS field1 FROM t1 GROUP BY field1);
SELECT * FROM t1 WHERE a IN (SELECT a AS field1 FROM t1 GROUP BY field1);
set @@optimizer_switch=@old_optimizer_switch;
drop table t1;

--echo #
--echo # LP BUG#908269 incorrect condition in case of subqueries depending
--echo # on constant tables
--echo #
CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1),(5);

# t2 must be MyISAM or Aria and contain 1 row
CREATE TABLE t2 ( b INT ) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1);

CREATE TABLE t3 ( c INT );
INSERT INTO t3 VALUES (4),(5);

SET optimizer_switch='subquery_cache=off';

SELECT
  ( SELECT b FROM t2 WHERE b = a OR EXISTS ( SELECT c FROM t3 WHERE c = b ) ) AS m
FROM t1;

# This query just for example, it should return the same as above (1 and NULL)
SELECT ( SELECT b FROM t2 WHERE b = a OR b * 0) FROM t1;

# example with "random"
SELECT ( SELECT b FROM t2 WHERE b = a OR rand() * 0) FROM t1;

drop table t1,t2,t3;
set optimizer_switch=@subselect_tmp;

--echo #
--echo # LP BUG#905353 Wrong non-empty result with a constant table,
--echo # aggregate function in subquery, MyISAM or Aria
--echo #

CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);

SELECT a FROM t1 WHERE ( SELECT MIN(a) = 100 );

drop table t1;

--echo #
--echo # LP BUG#985667 Wrong result with subquery in SELECT clause, and constant table in 
--echo # main query and implicit grouping
--echo #

CREATE TABLE t1 (f1 int) engine=MyISAM;
INSERT INTO t1 VALUES (7),(8);

CREATE TABLE t2 (f2 int, f3 varchar(1)) engine=MyISAM;
INSERT INTO t2 VALUES (3,'f');

EXPLAIN
SELECT COUNT(f1), (SELECT f1 FROM t1 WHERE f2 > 0 limit 1) AS f4 FROM t2, t1 WHERE 'v'= f3;
SELECT COUNT(f1), (SELECT f1 FROM t1 WHERE f2 > 0 limit 1) AS f4 FROM t2, t1 WHERE 'v'= f3;

EXPLAIN
SELECT COUNT(f1), exists(SELECT f1 FROM t1 WHERE f2 > 0 limit 1) AS f4 FROM t2, t1 WHERE 'v'= f3;
SELECT COUNT(f1), exists(SELECT f1 FROM t1 WHERE f2 > 0 limit 1) AS f4 FROM t2, t1 WHERE 'v'= f3;

EXPLAIN
SELECT COUNT(f1), f2 > ALL (SELECT f1 FROM t1 WHERE f2 > 0) AS f4 FROM t2, t1 WHERE 'v'= f3;
SELECT COUNT(f1), f2 > ALL (SELECT f1 FROM t1 WHERE f2 > 0) AS f4 FROM t2, t1 WHERE 'v'= f3;

EXPLAIN
SELECT COUNT(f1), f2 IN (SELECT f1 FROM t1 WHERE f2 > 0) AS f4 FROM t2, t1 WHERE 'v'= f3;
SELECT COUNT(f1), f2 IN (SELECT f1 FROM t1 WHERE f2 > 0) AS f4 FROM t2, t1 WHERE 'v'= f3;

drop table t1,t2;

--echo #
--echo # LP BUG#1002079 Server crashes in Item_singlerow_subselect::val_int with constant table,
--echo # HAVING, UNION in subquery
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (7),(0);
CREATE TABLE t2 (b INT);

EXPLAIN
SELECT SUM(a) AS f1, a AS f2 FROM (t1, t2) HAVING f2 >= ALL (SELECT 4 UNION SELECT 5) AND f1 = 7;

SELECT SUM(a) AS f1, a AS f2 FROM (t1, t2) HAVING f2 >= ALL (SELECT 4 UNION SELECT 5) AND f1 = 7;

drop table t1,t2;

--echo #
--echo # LP BUG#1008686 Server crashes in subselect_union_engine::no_rows on SELECT with impossible
--echo # WHERE and UNION in HAVING
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(7);

EXPLAIN
SELECT MIN(a) AS min_a, a FROM t1 WHERE 0 HAVING a NOT IN ( SELECT 2 UNION SELECT 5 ) OR min_a != 1;
SELECT MIN(a) AS min_a, a FROM t1 WHERE 0 HAVING a NOT IN ( SELECT 2 UNION SELECT 5 ) OR min_a != 1;

EXPLAIN
SELECT MIN(a) AS min_a, a FROM t1 WHERE 1=2 HAVING a NOT IN ( SELECT a from t1 UNION select a+1 from t1 ) OR min_a != 1;
SELECT MIN(a) AS min_a, a FROM t1 WHERE 1=2 HAVING a NOT IN ( SELECT a from t1 UNION select a+1 from t1 ) OR min_a != 1;

drop table t1;

--echo #
--echo # MDEV-367: Different results with and without subquery_cache on
--echo # a query with a constant NOT IN condition
--echo #
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2),(3);

set @mdev367_optimizer_switch = @@optimizer_switch;

set optimizer_switch = 'subquery_cache=on';
SELECT * FROM t1 WHERE ( 3, 3 ) NOT IN ( SELECT NULL, NULL ) OR a > 100;
SELECT *, ( 3, 3 ) NOT IN ( SELECT NULL, NULL ) FROM t1;
set optimizer_switch=@mdev367_optimizer_switch;
 
set optimizer_switch = 'subquery_cache=off';
SELECT * FROM t1 WHERE ( 3, 3 ) NOT IN ( SELECT NULL, NULL ) OR a > 100;
SELECT *, ( 3, 3 ) NOT IN ( SELECT NULL, NULL ) FROM t1;
set optimizer_switch=@mdev367_optimizer_switch;

DROP TABLE t1;

--echo #
--echo # MDEV-521 single value subselect transformation problem
--echo #
CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('u1'),('u2');

SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
FLUSH TABLES;
SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );

# Cleanup
DROP TABLE t1;

--echo # return optimizer switch changed in the beginning of this test
set optimizer_switch=@subselect_tmp;

--echo #
--echo # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
--echo # precomputed and thus not part of optimization
--echo #

CREATE TABLE t1 ( a VARCHAR(16), KEY (a) );
INSERT INTO t1 VALUES ('Abilene'),('Akron'),('Albany'),('Albuquerque'),('Alexandria'),('Allentown'),
('Amarillo'),('Anaheim'),('Anchorage'),('Ann Arbor'),('Arden-Arcade');

EXPLAIN
SELECT MAX( alias2.a ) AS field
FROM t1 AS alias1, t1 AS alias2, t1 AS alias3
WHERE alias1.a = alias2.a OR alias1.a = 'y'
HAVING field>'B' AND ( 'Moscow' ) IN ( SELECT a FROM t1 );

SELECT MAX( alias2.a ) AS field
FROM t1 AS alias1, t1 AS alias2, t1 AS alias3
WHERE alias1.a = alias2.a OR alias1.a = 'y'
HAVING field>'B' AND ( 'Moscow' ) IN ( SELECT a FROM t1 );

EXPLAIN
SELECT MAX( alias2.a )
FROM t1 AS alias1, t1 AS alias2, t1 AS alias3
WHERE alias1.a = alias2.a OR ('Moscow') IN ( SELECT a FROM t1 );

SELECT MAX( alias2.a )
FROM t1 AS alias1, t1 AS alias2, t1 AS alias3
WHERE alias1.a = alias2.a OR ('Moscow') IN ( SELECT a FROM t1 );

drop table t1;

--echo #
--echo # MDEV-277 CHEAP SQ: Server crashes in st_join_table::get_examined_rows
--echo # with semijoin+materialization, IN and = subqueries
--echo #

CREATE TABLE t1 (a1 INT);
INSERT INTO t1 VALUES (4),(6);
CREATE TABLE t2 (b1 INT);
INSERT INTO t2 VALUES (1),(7);

EXPLAIN
SELECT * FROM t1
WHERE a1 = (SELECT COUNT(*) FROM t1 WHERE a1 IN (SELECT a1 FROM t1, t2));

SELECT * FROM t1
WHERE a1 = (SELECT COUNT(*) FROM t1 WHERE a1 IN (SELECT a1 FROM t1, t2));

drop table t1, t2;

--echo #
--echo # MDEV-287 CHEAP SQ: A query with subquery in SELECT list, EXISTS,
--echo # inner joins takes hundreds times longer
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(7);

CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (4),(5);

CREATE TABLE t3 (c INT);
INSERT INTO t3 VALUES (8),(3);

set @@expensive_subquery_limit= 0;

EXPLAIN
SELECT
  (SELECT MIN(b) FROM t1, t2
     WHERE b = a AND (b = alias1.b OR EXISTS (SELECT * FROM t3))) AS m
FROM t2 alias1, t1 alias2, t1 alias3;

--disable_ps2_protocol
flush status;

SELECT
  (SELECT MIN(b) FROM t1, t2
     WHERE b = a AND (b = alias1.b OR EXISTS (SELECT * FROM t3))) AS m
FROM t2 alias1, t1 alias2, t1 alias3;

show status like "subquery_cache%";
show status like '%Handler_read%';

set @@expensive_subquery_limit= default;

EXPLAIN
SELECT
  (SELECT MIN(b) FROM t1, t2
     WHERE b = a AND (b = alias1.b OR EXISTS (SELECT * FROM t3))) AS m
FROM t2 alias1, t1 alias2, t1 alias3;

flush status;

SELECT
  (SELECT MIN(b) FROM t1, t2
     WHERE b = a AND (b = alias1.b OR EXISTS (SELECT * FROM t3))) AS m
FROM t2 alias1, t1 alias2, t1 alias3;

show status like "subquery_cache%";
show status like '%Handler_read%';
--enable_ps2_protocol

drop table t1, t2, t3;

--echo #
--echo # MDEV-288 CHEAP SQ: Valgrind warnings "Memory lost" with IN and EXISTS nested subquery, materialization+semijoin
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0),(8);

CREATE TABLE t2 (b INT PRIMARY KEY);
INSERT INTO t2 VALUES (1),(2);

EXPLAIN
SELECT * FROM t1 WHERE 4 IN (SELECT MAX(b) FROM t2 WHERE EXISTS (SELECT * FROM t1));
SELECT * FROM t1 WHERE 4 IN (SELECT MAX(b) FROM t2 WHERE EXISTS (SELECT * FROM t1));

drop table t1,t2;


--echo #
--echo # MDEV-410: EXPLAIN shows type=range, while SHOW EXPLAIN and userstat show full table scan is used
--echo #
CREATE TABLE t1 (a VARCHAR(3) PRIMARY KEY) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('USA');

CREATE TABLE t2 (b INT, c VARCHAR(52), KEY(b)) ENGINE=MyISAM;
INSERT INTO t2 VALUES (3813,'United States'),(3940,'Russia');

CREATE TABLE t3 (d INT, KEY(d)) ENGINE=MyISAM;
INSERT INTO t3 VALUES (12),(22),(9),(45);

create table t4 like t3;
insert into t4 select * from t3;

--echo # This should not show range access for table t2
explain
SELECT MIN(b) FROM ( SELECT * FROM t1, t2, t3 WHERE d = b ) AS alias1 
WHERE SLEEP(0.1) OR c < 'p' OR b = ( SELECT MIN(b) FROM t2 );

set @tmp_mdev410=@@global.userstat;
set global userstat=on;
flush table_statistics;
flush index_statistics;

--disable_ps2_protocol
SELECT MIN(b) FROM ( SELECT * FROM t1, t2, t3 WHERE d = b ) AS alias1 
WHERE SLEEP(0.1) OR c < 'p' OR b = ( SELECT MIN(b) FROM t2 );
--enable_ps2_protocol

--echo # The following shows that t2 was indeed scanned with a full scan.
show table_statistics;
show index_statistics;
set global userstat=@tmp_mdev410;

DROP TABLE t1,t2,t3,t4;

--echo #
--echo # MDEV-430: Server crashes in select_describe on EXPLAIN with 
--echo #    materialization+semijoin, 2 nested subqueries, aggregate functions
--echo #
CREATE TABLE t1 (a INT, KEY(a));
INSERT INTO t1 VALUES (1),(8);

CREATE TABLE t2 (b INT, KEY(b));
INSERT INTO t2 VALUES (45),(17),(20);

EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
--echo #

CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (8),(0);

CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
INSERT INTO t2 VALUES (4,'j'),(6,'v');

CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
INSERT INTO t3 VALUES ('b'),('c');

EXPLAIN
SELECT * FROM t1
WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;

SELECT * FROM t1
WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;

drop table t1, t2, t3;


--echo #
--echo # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
--echo #
CREATE TABLE t1 (a INT, KEY(a));
INSERT INTO t1 VALUES (1),(8);

CREATE TABLE t2 (b INT, KEY(b));
INSERT INTO t2 VALUES (45),(17),(20);

EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-5991: crash in Item_field::used_tables
--echo #
create table t1 (c int);
select exists(select 1 from t1 group by `c` in (select `c` from t1));
drop table t1;

--echo #
--echo # MDEV-7565: Server crash with Signal 6 (part 2)
--echo #
Select 
  (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
    Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
  ) As `ControlRev`
From 
(Select  3 as Revenue, 4 as TemplateID) As `TestCase` 
Group By  TestCase.Revenue, TestCase.TemplateID;

--echo #
--echo # MDEV-7445:Server crash with Signal 6
--echo #

--delimiter |
CREATE PROCEDURE procedure2()
BEGIN
  Select 
    (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
      Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
     ) As `ControlRev`
  From 
  (Select  3 as Revenue, 4 as TemplateID) As `TestCase` 
  Group By  TestCase.Revenue, TestCase.TemplateID;

END |
--delimiter ;
call procedure2();
call procedure2();

drop procedure procedure2;


--echo #
--echo # MDEV-7846:Server crashes in Item_subselect::fix
--echo #_fields or fails with Thread stack overrun
--echo #
CREATE TABLE t1 (column1 INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (3),(9);

CREATE TABLE t2 (column2 INT) ENGINE=MyISAM;

INSERT INTO t2 VALUES (1),(4);

CREATE TABLE t3 (column3 INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (6),(8);

CREATE TABLE t4 (column4 INT) ENGINE=MyISAM;
INSERT INTO t4 VALUES (2),(5);


PREPARE stmt FROM "
SELECT ( 
  SELECT MAX( table1.column1 ) AS field1 
  FROM t1 AS table1
  WHERE table3.column3 IN ( SELECT table2.column2 AS field2 FROM t2 AS table2 ) 
) AS sq
FROM t3 AS table3, t4 AS table4 GROUP BY sq
";

EXECUTE stmt;
EXECUTE stmt;

deallocate prepare stmt;
drop table t1,t2,t3,t4;

--echo #
--echo # MDEV-7122
--echo # Assertion `0' failed in subselect_hash_sj_engine::init
--echo #
set tmp_memory_table_size=0; # force on-disk tmp table
CREATE TABLE t1(a char(255) DEFAULT '', KEY(a(10))) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES(0),(0),(0);
SELECT * FROM t1 WHERE a IN(SELECT MIN(a) FROM t1);
DROP TABLE t1;
set tmp_memory_table_size=default;

--echo #
--echo # MDEV-10776: Server crash on query
--echo #
create table t1 (field1 int);

insert into t1 values (1);

select round((select 1 from t1 limit 1))
from t1
group by round((select 1 from t1 limit 1));

drop table t1;

--echo #
--echo # MDEV-7930: Assertion `table_share->tmp_table != NO_TMP_TABLE ||
--echo # m_lock_type != 2' failed in  handler::ha_index_read_map
--echo #

CREATE TABLE t1 (f1 INT);
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2 (f2 INT, KEY(f2));
INSERT INTO t2 VALUES (3);

CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM t2;

--error ER_WRONG_GROUP_FIELD
SELECT ( SELECT MIN(t2.f2) FROM t1 ) AS sq FROM t2 GROUP BY sq;
--error ER_WRONG_GROUP_FIELD
SELECT ( SELECT MIN(v2.f2) FROM t1 ) AS sq FROM v2 GROUP BY sq;
SELECT * FROM v2 where ( SELECT MIN(v2.f2) FROM t1 ) > 0;
SELECT count(*) FROM v2 group by ( SELECT MIN(v2.f2) FROM t1 );

delete from t1;
--error ER_WRONG_GROUP_FIELD
SELECT ( SELECT MIN(t2.f2) FROM t1 ) AS sq FROM t2 GROUP BY sq;
--error ER_WRONG_GROUP_FIELD
SELECT ( SELECT MIN(v2.f2) FROM t1 ) AS sq FROM v2 GROUP BY sq;

drop view v2;
drop table t1,t2;

--echo #
--echo # MDEV-10386 Assertion `fixed == 1' failed in virtual String* Item_func_conv_charset::val_str(String*)
--echo #

CREATE TABLE t1 (f1 CHAR(3) CHARACTER SET utf8 NULL, f2 CHAR(3) CHARACTER SET latin1 NULL);
INSERT INTO t1 VALUES ('foo','bar');
SELECT * FROM t1 WHERE f2 >= SOME ( SELECT f1 FROM t1 );
SELECT * FROM t1 WHERE f2 <= SOME ( SELECT f1 FROM t1 );
DROP TABLE t1;

--echo #
--echo # MDEV-10146: Wrong result (or questionable result and behavior)
--echo # with aggregate function in uncorrelated SELECT subquery
--echo #
CREATE TABLE t1 (f1 INT);
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2 (f2 int);

INSERT INTO t2 VALUES (3);
SELECT ( SELECT MAX(f1) FROM t2 ) FROM t1;

SELECT ( SELECT MAX(f1) FROM t2 ) FROM v1;

INSERT INTO t2 VALUES (4);

--error ER_SUBQUERY_NO_1_ROW
SELECT ( SELECT MAX(f1) FROM t2 ) FROM v1;
--error ER_SUBQUERY_NO_1_ROW
SELECT ( SELECT MAX(f1) FROM t2 ) FROM t1;

drop view v1;
drop table t1,t2;

#
# MDEV-7828 Assertion `key_read == 0' failed in TABLE::enable_keyread with SELECT SQ and WHERE SQ
#
CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=MyISAM;
INSERT t1 VALUES (4),(8);
CREATE TABLE t2 (f2 INT, KEY(f2)) ENGINE=MyISAM;
INSERT t2 VALUES (6);
#view definition cannot contain a subquery in the FROM clause
--disable_view_protocol
SELECT (SELECT MAX(sq.f2) FROM t1) FROM (SELECT * FROM t2) AS sq WHERE f2 = 2;
--enable_view_protocol
--echo #
--echo # Disable this query till MDEV-13399 is resolved
--echo #
--echo # INSERT t2 VALUES (9);
--echo # --error ER_SUBQUERY_NO_1_ROW
--echo # SELECT (SELECT MAX(sq.f2) FROM t1) FROM (SELECT * FROM t2) AS sq WHERE f2 = 2;
--echo #
drop table t1, t2;

--echo #
--echo # MDEV-13933: Wrong results in COUNT() query with EXISTS and exists_to_in
--echo # (5.5 test)
--echo #
SET @optimiser_switch_save= @@optimizer_switch;
 
CREATE TABLE t1 (a INT NOT NULL);
INSERT INTO t1 VALUES (1),(1),(1),(5),(5);
 
CREATE TABLE t2 (b INT);
INSERT INTO t2 VALUES (5),(1);
 
CREATE TABLE t3 (c INT, KEY(c));
INSERT INTO t3 VALUES (5),(5);
 
SET optimizer_switch='semijoin=on';
select t1.a from t1 where t1.a in (select `test`.`t2`.`b` from `test`.`t2`)
and t1.a in (select `test`.`t3`.`c` from `test`.`t3`);
 
SET optimizer_switch='semijoin=off';
select t1.a from t1 where t1.a in (select `test`.`t2`.`b` from `test`.`t2`)
and t1.a in (select `test`.`t3`.`c` from `test`.`t3`);
 
SET @@optimizer_switch= @optimiser_switch_save;
DROP TABLE t1, t2, t3;

--echo #
--echo # MDEV-16820: impossible where with inexpensive subquery
--echo #

create table t1 (a int) engine=myisam;
insert into t1 values (3), (1), (7);

create table t2 (b int, index idx(b));
insert into t2 values (2), (5), (3), (2);

explain select * from t1 where (select max(b) from t2) = 10;
explain select * from t1 where (select max(b) from t2) = 10 and t1.a > 3;

drop table t1,t2;


--echo #
--echo # MDEV-19429: Wrong query result with EXISTS and LIMIT 0
--echo #
create table t10 (a int);
insert into t10 values (1),(2),(3);
create table t12 (a int);
insert into t12 values (1),(2),(3);
select * from t10 where exists (select * from t12 order by a limit 0);
explain select * from t10 where exists (select * from t12 order by a limit 0);

prepare stmt1 from "select * from t10 where exists (select * from t12 order by a limit ?)";

set @l=1;
execute stmt1 using @l;
set @l=2;
execute stmt1 using @l;
set @l=0;
execute stmt1 using @l;

deallocate prepare stmt1;

drop table t10, t12;

--echo End of 5.5 tests
--echo # End of 10.0 tests

--echo #
--echo # MDEV-9487: Server crashes in Time_and_counter_tracker::incr_loops
--echo # with UNION in ALL subquery
--echo #
SET NAMES utf8;
CREATE TABLE t1 (f VARCHAR(8)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('foo');
SELECT f FROM t1 WHERE f > ALL ( SELECT 'bar' UNION SELECT 'baz' );
SELECT f FROM t1 WHERE f > ALL ( SELECT 'bar');
drop table t1;
SET NAMES default;

--echo #
--echo # MDEV-10045: Server crashes in Time_and_counter_tracker::incr_loops
--echo #
SET NAMES utf8;

CREATE TABLE t1 (f1 VARCHAR(3), f2 INT UNSIGNED) ENGINE=MyISAM;
CREATE TABLE t2 (f3 INT) ENGINE=MyISAM;

SELECT * FROM t1, t2 WHERE f3 = f2 AND f1 > ANY ( SELECT 'foo' UNION SELECT 'bar' );
SELECT * FROM t1, t2 WHERE f3 = f2 AND f1 > ANY ( SELECT 'foo');

DROP TABLE t1, t2;
SET NAMES default;

--echo # End of 10.1 tests

--echo #
--echo # MDEV-12564: IN TO EXISTS transformation for rows after 
--echo #             conversion an outer join to inner join
--echo #

CREATE TABLE t (
pk int PRIMARY KEY, i int NOT NULL, c varchar(8), KEY(c)
) ENGINE=MyISAM;
INSERT INTO t VALUES (1,10,'foo'),(2,20,'bar');
 
SELECT * FROM t t1 RIGHT JOIN t t2 ON (t2.pk = t1.pk)
  WHERE (t2.i, t2.pk) NOT IN ( SELECT t3.i, t3.i FROM t t3, t t4 ) AND t1.c = 'foo';

DROP TABLE t;

--echo #
--echo # MDEV-25002: Outer reference in ON clause of subselect
--echo #

create table t1 (
  pk int primary key,
  a int
) engine=myisam;
insert into t1 values (1,1), (2,2);

create table t2 (
  pk int primary key,
  b int
) engine=myisam;
insert into t2 values (1,1), (2,3);

create table t3 (a int);
insert into t3 values (1),(2);

select a,
       (select count(*) from t1, t2
          where t2.pk=t3.a and t1.pk=1) as sq
from t3;
select a,
       (select count(*) from t1 join t2 on t2.pk=t3.a
          where t1.pk=1) as sq
from t3;

select a from t3
  where a in (select t2.b from t1,t2 where t2.pk=t3.a and t1.pk=1);
select a from t3
  where a in (select t2.b from t1 join t2 on t2.pk=t3.a where t1.pk=1);

drop table t1,t2,t3;

--echo # End of 10.2 tests

--echo #
--echo # MDEV-29926: ASAN heap-use-after-free in Explain_query::~Explain_query
--echo #

CREATE TABLE t (a VARCHAR(1)) CHARACTER SET utf8mb3;
EXECUTE IMMEDIATE "SELECT COUNT(*) FROM t WHERE a < (SELECT 'x')";

# Cleanup
DROP TABLE t;

--echo #
--echo # End of 10.3 tests
--echo #


--echo #
--echo # Start of 10.4 tests
--echo #

--echo #
--echo # MDEV-16861 Split Item::update_null_value() into a new virtual method in Type_handler
--echo #

--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
SELECT ROW(1,2) = EXISTS (SELECT 1);
--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
SELECT ROW(1,2) = 1 IN (SELECT 1 UNION SELECT 2);
--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
SELECT ROW(1,2) = (1 = ANY (SELECT 1 UNION SELECT 2));

--echo #
--echo # End of 10.4 tests
--echo #



--echo #
--echo # MDEV-32656: ASAN errors in base_list_iterator::next /
--echo # setup_table_map upon 2nd execution of PS
--echo # (10.6 part)
--echo #

CREATE TABLE t1 (id BIGINT);
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS SELECT * FROM t1;

CREATE TABLE t2 (a INT);
INSERT INTO t2 VALUES (2),(3);

CREATE TABLE t3 (b INT);
INSERT INTO t3 VALUES (3),(4);

insert into t2 select (('e','e') IN (SELECT v1.id, v1.id FROM v1 JOIN t3));

drop view v1;
drop table t1, t2, t3;

--echo #
--echo # End of 10.6 tests
--echo #