subselect.test

# Initialise
--disable_warnings
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
--enable_warnings

select (select 2);
explain select (select 2);
SELECT (SELECT 1) UNION SELECT (SELECT 2);
explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
SELECT (SELECT (SELECT 0 UNION SELECT 0));
explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
-- error 1246
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
-- error 1246
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 1246
SELECT (SELECT a) as a;
EXPLAIN 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 1054
SELECT (SELECT 1), a;
SELECT 1 as a FROM (SELECT 1) as b HAVING (SELECT a)=1;
-- error 1054
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 1240
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 1221
select (SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE(1));
-- error 1108
SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE((SELECT 1));
SELECT (SELECT 1) as a FROM (SELECT 1) b WHERE (SELECT a) IS NULL;
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);
SELECT ROW(1,2,3) = (SELECT 1,2,NULL);
SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'a');
SELECT (SELECT 1.5,2,'a') = ROW(1.5,2,'b');
SELECT (SELECT 1.5,2,'a') = ROW('b',2,'b');
SELECT (SELECT 'b',2,'a') = ROW(1.5,2,'a');
SELECT (SELECT 1.5,2,'a') = ROW(1.5,'c','a');
SELECT (SELECT 1.5,'c','a') = ROW(1.5,2,'a');

-- error 1240
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 1246
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 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) 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 (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;
explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from 
(select * from t2 where a>1) as tt;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) 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 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 1240
select * from t3 where a in (select a,b from t2);
-- error 1240
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), 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), 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), a from t2;
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
-- error 1241
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 select * from t6 where exists (select * from t7 where uq = clinic_uq);

# not unique fields
-- error 1052
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);

# different tipes & group functions
drop table if exists 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`)
) TYPE=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 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 1240
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
-- error 1240
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 1241
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`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN 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 1241
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN 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`)
) TYPE=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`)
    ) TYPE=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 1054
SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) b;
-- error 1054
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) 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) 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`)
) TYPE=MyISAM ROW_FORMAT=FIXED;

INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
-- error 1241
select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
-- error 1241
select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
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 1241
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`)
) TYPE=MyISAM;
-- error 1246
SELECT (SELECT numeropost FROM t1 HAVING numreponse=a),numreponse FROM (SELECT * FROM t1) as a;
-- error 1054
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 1241
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN 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 1093
update t1 set b= (select b from t1);
-- error 1241
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);
-- error 1093
delete from t1 where b = (select b from t1);
-- error 1241
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;
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 1093
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t12 where t11.a = t12.a);
-- error 1241
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);
create table t2 (a int);
create table t3 (b int);
insert into t2 values (1);
insert into t3 values (1),(2);
-- error 1093
INSERT INTO t1 (x) VALUES ((SELECT x FROM t1));
-- error 1241
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);
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
-- sleep 1
select * from t1;
INSERT INTO t1 (x) select (SELECT SUM(a)+1 FROM t2) FROM t2;
select * from t1;
INSERT INTO t1 (x) select (SELECT SUM(x)+2 FROM t1) FROM t2;
-- error 1054
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(x) FROM t2));
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
-- sleep 1
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));
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 1093
replace into t1 (x, y) VALUES ((SELECT x FROM t1), (SELECT a+1 FROM t2));
-- error 1241
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;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a FROM t2));
-- sleep 1
select * from t1;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a+1 FROM t2));
-- sleep 1
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 1096
SELECT * FROM (SELECT 1) b WHERE 1 IN (SELECT *);

CREATE TABLE t2 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES (1),(2);
SELECT * FROM t2 WHERE id IN (SELECT 1);
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
-- error 1093
INSERT INTO t2 VALUES ((SELECT * FROM t2));
-- error 1093
INSERT INTO t2 VALUES ((SELECT id FROM t2));
SELECT * FROM t2;
CREATE TABLE t1 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 values (1),(1);
-- error 1241
UPDATE t2 SET id=(SELECT * FROM t1);
drop table t2, t1;

#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);
select 10.5 > ANY (SELECT * from t1);
explain select (select a+1) from t1;
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 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 SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
drop table t1,t2,t3;

#LIMIT is not supported now
create table t1 (a float);
-- error 1235
select 10.5 IN (SELECT * from t1 LIMIT 1);
-- error 1235
select 10.5 IN (SELECT * from t1 LIMIT 1 UNION SELECT 1.5);
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 1235
select ROW(1, 1, 'a') IN (select b,a,c from t1 limit 2);
drop table t1;

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 1146
do (SELECT a from t1);
-- error 1146
set @a:=(SELECT a from t1);

CREATE TABLE t1 (a int, KEY(a)); 
HANDLER t1 OPEN;
-- error 1149
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`)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1);
-- error 1111
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
drop table t1;

#test of uncacheable subqueries
CREATE TABLE t1 (a int(1));
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
EXPLAIN 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`)
) TYPE=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`)
) TYPE=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`)
) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');

INSERT 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 select a,(select (select rand() from t1 limit 1)  from t1 limit 1)
from t1;
drop table t1;

#
# error in IN
#
-- error 1146
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)
) TYPE=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)
) TYPE=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,'Azrbaycan','Federal Republic','Heydr liyev',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`),
) TYPE=MyISAM PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (pseudo) VALUES ('test');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
drop table t1;

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

INSERT INTO t1 VALUES (1);
-- error 1111
UPDATE t1 SET i=i+(SELECT MAX(i) FROM (SELECT 1) t) WHERE i=(SELECT MAX(i));
-- error 1111
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
-- error 1109
UPDATE t1 SET t.i=i+(SELECT MAX(i) FROM (SELECT 1) t);
drop table t1;

#
# Multi update test
#
CREATE TABLE t1 (
  id int(11) default NULL
) TYPE=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
) TYPE=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 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)
) TYPE=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;

#
# correct behavoiur for function from reduced subselect
#
create table t1(City VARCHAR(30),Location geometry);
insert into t1 values("Paris",GeomFromText('POINT(2.33 48.87)'));
select City from t1 where (select intersects(GeomFromText(AsText(Location)),GeomFromText('Polygon((2 50, 2.5 50, 2.5 47, 2 47, 2 50))'))=0);
drop table t1;

#
# 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`),
) TYPE=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 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 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 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);
disable_query_log;
# making table large enough
let $1 = 10000;
while ($1)
 {
  eval insert into t1 values (rand()*100000+200,rand()*100000); 
  dec $1;
 }
enable_query_log;
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 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 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 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 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
drop table 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) 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 1054
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 1266
select * from t1 where s1 > (select max(s2) from t1);
-- error 1266
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 1240
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 (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 select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
explain select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
explain 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);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
explain select * from t3 where a >= all (select b from t2);

#
# 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 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`)) TYPE=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`)) TYPE=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`)) TYPE=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 '') TYPE=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') FROM t1 WHERE dbid = b.db_id AND taskid = a.taskgenid), '1950-01-01') 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) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1),(5);
CREATE TABLE t2 (id int(11) default NULL) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES (2),(6);
-- error 1240
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 1241
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 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 '') TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
CREATE TABLE t2 (code char(5) NOT NULL default '',UNIQUE KEY code (code)) TYPE=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 1054
select * from t1 where (select count(*) from t2 where t1.s2) = 1;
-- error 1054
select * from t1 where (select count(*) from t2 group by t1.s2) = 1;
-- error 1109
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;s