# Initialise
--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings

#
# Simple test without tables

-- error 1111
SELECT 1 FROM (SELECT 1) as a  GROUP BY SUM(1);

#
# Test of group (Failed for Lars Hoss <lh@pbm.de>)
#

CREATE TABLE t1 (
  spID int(10) unsigned,
  userID int(10) unsigned,
  score smallint(5) unsigned,
  lsg char(40),
  date date
);

INSERT INTO t1 VALUES (1,1,1,'','0000-00-00');
INSERT INTO t1 VALUES (2,2,2,'','0000-00-00');
INSERT INTO t1 VALUES (2,1,1,'','0000-00-00');
INSERT INTO t1 VALUES (3,3,3,'','0000-00-00');

CREATE TABLE t2 (
  userID int(10) unsigned NOT NULL auto_increment,
  niName char(15),
  passwd char(8),
  mail char(50),
  isAukt enum('N','Y') DEFAULT 'N',
  vName char(30),
  nName char(40),
  adr char(60),
  plz char(5),
  ort char(35),
  land char(20),
  PRIMARY KEY (userID)
);

INSERT INTO t2 VALUES (1,'name','pass','mail','Y','v','n','adr','1','1','1');
INSERT INTO t2 VALUES (2,'name','pass','mail','Y','v','n','adr','1','1','1');
INSERT INTO t2 VALUES (3,'name','pass','mail','Y','v','n','adr','1','1','1');
INSERT INTO t2 VALUES (4,'name','pass','mail','Y','v','n','adr','1','1','1');
INSERT INTO t2 VALUES (5,'name','pass','mail','Y','v','n','adr','1','1','1');

SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID GROUP BY t2.userid;
SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID GROUP BY t2.userid ORDER BY NULL;
SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2  GROUP BY t2.userid;
SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2  GROUP BY t2.userid;
SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2  GROUP BY t2.userid ORDER BY NULL;
EXPLAIN SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2  GROUP BY t2.userid ORDER BY NULL;
drop table t1,t2;

#
# Bug in GROUP BY, by Nikki Chumakov <nikki@saddam.cityline.ru>
#

CREATE TABLE t1 (
  PID int(10) unsigned NOT NULL auto_increment,
  payDate date DEFAULT '0000-00-00' NOT NULL,
  recDate datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
  URID int(10) unsigned DEFAULT '0' NOT NULL,
  CRID int(10) unsigned DEFAULT '0' NOT NULL,
  amount int(10) unsigned DEFAULT '0' NOT NULL,
  operator int(10) unsigned,
  method enum('unknown','cash','dealer','check','card','lazy','delayed','test') DEFAULT 'unknown' NOT NULL,
  DIID int(10) unsigned,
  reason char(1) binary DEFAULT '' NOT NULL,
  code_id int(10) unsigned,
  qty mediumint(8) unsigned DEFAULT '0' NOT NULL,
  PRIMARY KEY (PID),
  KEY URID (URID),
  KEY reason (reason),
  KEY method (method),
  KEY payDate (payDate)
);

INSERT INTO t1 VALUES (1,'1970-01-01','1997-10-17 00:00:00',2529,1,21000,11886,'check',0,'F',16200,6);

--error 1056
SELECT COUNT(P.URID),SUM(P.amount),P.method, MIN(PP.recdate+0) > 19980501000000   AS IsNew FROM t1 AS P JOIN t1 as PP WHERE P.URID = PP.URID GROUP BY method,IsNew;

drop table t1;

#
# Problem with GROUP BY + ORDER BY when no match
# Tested with locking
#

CREATE TABLE t1 (
  cid mediumint(9) NOT NULL auto_increment,
  firstname varchar(32) DEFAULT '' NOT NULL,
  surname varchar(32) DEFAULT '' NOT NULL,
  PRIMARY KEY (cid)
);
INSERT INTO t1 VALUES (1,'That','Guy');
INSERT INTO t1 VALUES (2,'Another','Gent');

CREATE TABLE t2 (
  call_id mediumint(8) NOT NULL auto_increment,
  contact_id mediumint(8) DEFAULT '0' NOT NULL,
  PRIMARY KEY (call_id),
  KEY contact_id (contact_id)
);

lock tables t1 read,t2 write;

INSERT INTO t2 VALUES (10,2);
INSERT INTO t2 VALUES (18,2);
INSERT INTO t2 VALUES (62,2);
INSERT INTO t2 VALUES (91,2);
INSERT INTO t2 VALUES (92,2);

SELECT cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid;
SELECT cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid ORDER BY NULL;
SELECT HIGH_PRIORITY cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid ORDER BY surname, firstname;

drop table t2;
unlock tables;
drop table t1;

#
# Test of group by bug in bugzilla
#

CREATE TABLE t1 (
  bug_id mediumint(9) NOT NULL auto_increment,
  groupset bigint(20) DEFAULT '0' NOT NULL,
  assigned_to mediumint(9) DEFAULT '0' NOT NULL,
  bug_file_loc text,
  bug_severity enum('blocker','critical','major','normal','minor','trivial','enhancement') DEFAULT 'blocker' NOT NULL,
  bug_status enum('','NEW','ASSIGNED','REOPENED','RESOLVED','VERIFIED','CLOSED') DEFAULT 'NEW' NOT NULL,
  creation_ts datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
  delta_ts timestamp,
  short_desc mediumtext,
  long_desc mediumtext,
  op_sys enum('All','Windows 3.1','Windows 95','Windows 98','Windows NT','Windows 2000','Linux','other') DEFAULT 'All' NOT NULL,
  priority enum('P1','P2','P3','P4','P5') DEFAULT 'P1' NOT NULL,
  product varchar(64) DEFAULT '' NOT NULL,
  rep_platform enum('All','PC','VTD-8','Other'),
  reporter mediumint(9) DEFAULT '0' NOT NULL,
  version varchar(16) DEFAULT '' NOT NULL,
  component varchar(50) DEFAULT '' NOT NULL,
  resolution enum('','FIXED','INVALID','WONTFIX','LATER','REMIND','DUPLICATE','WORKSFORME') DEFAULT '' NOT NULL,
  target_milestone varchar(20) DEFAULT '' NOT NULL,
  qa_contact mediumint(9) DEFAULT '0' NOT NULL,
  status_whiteboard mediumtext NOT NULL,
  votes mediumint(9) DEFAULT '0' NOT NULL,
  PRIMARY KEY (bug_id),
  KEY assigned_to (assigned_to),
  KEY creation_ts (creation_ts),
  KEY delta_ts (delta_ts),
  KEY bug_severity (bug_severity),
  KEY bug_status (bug_status),
  KEY op_sys (op_sys),
  KEY priority (priority),
  KEY product (product),
  KEY reporter (reporter),
  KEY version (version),
  KEY component (component),
  KEY resolution (resolution),
  KEY target_milestone (target_milestone),
  KEY qa_contact (qa_contact),
  KEY votes (votes)
);

INSERT INTO t1 VALUES (1,0,0,'','normal','','2000-02-10 09:25:12',20000321114747,'','','Linux','P1','TestProduct','PC',3,'other','TestComponent','','M1',0,'',0);
INSERT INTO t1 VALUES (9,0,0,'','enhancement','','2000-03-10 11:49:36',20000321114747,'','','All','P5','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - conversion','','',0,'',0);
INSERT INTO t1 VALUES (10,0,0,'','enhancement','','2000-03-10 18:10:16',20000321114747,'','','All','P4','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - conversion','','',0,'',0);
INSERT INTO t1 VALUES (7,0,0,'','critical','','2000-03-09 10:50:21',20000321114747,'','','All','P1','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - generic','','',0,'',0);
INSERT INTO t1 VALUES (6,0,0,'','normal','','2000-03-09 10:42:44',20000321114747,'','','All','P2','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
INSERT INTO t1 VALUES (8,0,0,'','major','','2000-03-09 11:32:14',20000321114747,'','','All','P3','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
INSERT INTO t1 VALUES (5,0,0,'','enhancement','','2000-03-09 10:38:59',20000321114747,'','','All','P5','CCC/CCCCCC','PC',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (4,0,0,'','normal','','2000-03-08 18:32:14',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent2','','',0,'',0);
INSERT INTO t1 VALUES (3,0,0,'','normal','','2000-03-08 18:30:52',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent','','',0,'',0);
INSERT INTO t1 VALUES (2,0,0,'','enhancement','','2000-03-08 18:24:51',20000321114747,'','','All','P2','TestProduct','Other',4,'other','TestComponent2','','',0,'',0);
INSERT INTO t1 VALUES (11,0,0,'','blocker','','2000-03-13 09:43:41',20000321114747,'','','All','P2','CCC/CCCCCC','PC',5,'7.00','DDDDDDDDD','','',0,'',0);
INSERT INTO t1 VALUES (12,0,0,'','normal','','2000-03-13 16:14:31',20000321114747,'','','All','P2','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
INSERT INTO t1 VALUES (13,0,0,'','normal','','2000-03-15 16:20:44',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent','','',0,'',0);
INSERT INTO t1 VALUES (14,0,0,'','blocker','','2000-03-15 18:13:47',20000321114747,'','','All','P1','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - generic','','',0,'',0);
INSERT INTO t1 VALUES (15,0,0,'','minor','','2000-03-16 18:03:28',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','DDDDDDDDD','','',0,'',0);
INSERT INTO t1 VALUES (16,0,0,'','normal','','2000-03-16 18:33:41',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (17,0,0,'','normal','','2000-03-16 18:34:18',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (18,0,0,'','normal','','2000-03-16 18:34:56',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (19,0,0,'','enhancement','','2000-03-16 18:35:34',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (20,0,0,'','enhancement','','2000-03-16 18:36:23',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (21,0,0,'','enhancement','','2000-03-16 18:37:23',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (22,0,0,'','enhancement','','2000-03-16 18:38:16',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
INSERT INTO t1 VALUES (23,0,0,'','normal','','2000-03-16 18:58:12',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','DDDDDDDDD','','',0,'',0);
INSERT INTO t1 VALUES (24,0,0,'','normal','','2000-03-17 11:08:10',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
INSERT INTO t1 VALUES (25,0,0,'','normal','','2000-03-17 11:10:45',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
INSERT INTO t1 VALUES (26,0,0,'','normal','','2000-03-17 11:15:47',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
INSERT INTO t1 VALUES (27,0,0,'','normal','','2000-03-17 17:45:41',20000321114747,'','','All','P2','CCC/CCCCCC','PC',5,'7.00','DDDDDDDDD','','',0,'',0);
INSERT INTO t1 VALUES (28,0,0,'','normal','','2000-03-20 09:51:45',20000321114747,'','','Windows NT','P2','TestProduct','PC',8,'other','TestComponent','','',0,'',0);
INSERT INTO t1 VALUES (29,0,0,'','normal','','2000-03-20 11:15:09',20000321114747,'','','All','P5','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
CREATE TABLE t2 (
  value tinytext,
  program varchar(64),
  initialowner tinytext NOT NULL,
  initialqacontact tinytext NOT NULL,
  description mediumtext NOT NULL
);

INSERT INTO t2 VALUES ('TestComponent','TestProduct','id0001','','');
INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - conversion','AAAAA','id0001','','');
INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - generic','AAAAA','id0001','','');
INSERT INTO t2 VALUES ('TestComponent2','TestProduct','id0001','','');
INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - eeeeeeeee','AAAAA','id0001','','');
INSERT INTO t2 VALUES ('kkkkkkkkkkk lllllllllll','AAAAA','id0001','','');
INSERT INTO t2 VALUES ('Test Procedures','AAAAA','id0001','','');
INSERT INTO t2 VALUES ('Documentation','AAAAA','id0003','','');
INSERT INTO t2 VALUES ('DDDDDDDDD','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Eeeeeeee Lite','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Eeeeeeee Full','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Administration','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Distribution','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Setup','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Unspecified','CCC/CCCCCC','id0002','','');
INSERT INTO t2 VALUES ('Web Interface','AAAAAAAA-AAA','id0001','','');
INSERT INTO t2 VALUES ('Host communication','AAAAA','id0001','','');
select value,description,bug_id from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA";
select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value;
select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value having COUNT(bug_id) IN (0,2);

drop table t1,t2;

#
# Problem with functions and group functions when no matching rows
#

create table t1 (foo int);
insert into t1 values (1);
select 1+1, "a",count(*) from t1 where foo in (2);
insert into t1 values (1);
select 1+1,"a",count(*) from t1 where foo in (2);
drop table t1;

#
# Test GROUP BY DESC

CREATE TABLE t1 (
  spID int(10) unsigned,
  userID int(10) unsigned,
  score smallint(5) unsigned,
  key (spid),
  key (score)
);

INSERT INTO t1 VALUES (1,1,1),(2,2,2),(2,1,1),(3,3,3),(4,3,3),(5,3,3),(6,3,3),(7,3,3);
explain select userid,count(*) from t1 group by userid desc;
explain select userid,count(*) from t1 group by userid desc order by null;
select userid,count(*) from t1 group by userid desc;
select userid,count(*) from t1 group by userid desc having (count(*)+1) IN (4,3);
select userid,count(*) from t1 group by userid desc having 3  IN (1,COUNT(*));
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid;
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid order by null;
select spid,count(*) from t1 where spid between 1 and 2 group by spid;
select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
explain extended select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain select sql_big_result spid,sum(userid) from t1 group by spid desc order by null;
select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain select sql_big_result score,count(*) from t1 group by score desc;
explain select sql_big_result score,count(*) from t1 group by score desc order by null;
select sql_big_result score,count(*) from t1 group by score desc;
drop table t1;

# not purely group_by bug, but group_by is involved...

create table t1 (a date default null, b date default null);
insert t1 values ('1999-10-01','2000-01-10'), ('1997-01-01','1998-10-01');
select a,min(b) c,count(distinct rand()) from t1 group by a having c<a + interval 1 day;
drop table t1;

# Compare with hash keys

CREATE TABLE t1 (a char(1));
INSERT INTO t1 VALUES ('A'),('B'),('A'),('B'),('A'),('B'),(NULL),('a'),('b'),(NULL),('A'),('B'),(NULL);
flush status;
SELECT a FROM t1 GROUP BY a;
SELECT a,count(*) FROM t1 GROUP BY a;
SELECT a FROM t1 GROUP BY binary a;
SELECT a,count(*) FROM t1 GROUP BY binary a;
SELECT binary a FROM t1 GROUP BY 1;
SELECT binary a,count(*) FROM t1 GROUP BY 1;
--disable_ps_protocol
show status like 'Created%tables';
--enable_ps_protocol
# Do the same tests with on-disk temporary tables
set tmp_memory_table_size=0;
SELECT a FROM t1 GROUP BY a;
SELECT a,count(*) FROM t1 GROUP BY a;
SELECT a FROM t1 GROUP BY binary a;
SELECT a,count(*) FROM t1 GROUP BY binary a;
SELECT binary a FROM t1 GROUP BY 1;
SELECT binary a,count(*) FROM t1 GROUP BY 1;
--disable_ps_protocol
show status like 'Created%tables';
--enable_ps_protocol
set tmp_memory_table_size=default;
drop table t1;

#
# Test of key >= 256 bytes
#

CREATE TABLE t1 (
  `a` char(193) default NULL,
  `b` char(63) default NULL
);
INSERT INTO t1 VALUES ('abc','def'),('hij','klm');
SELECT CONCAT(a, b) FROM t1 GROUP BY 1;
SELECT CONCAT(a, b),count(*) FROM t1 GROUP BY 1;
SELECT CONCAT(a, b),count(distinct a) FROM t1 GROUP BY 1;
SELECT 1 FROM t1 GROUP BY CONCAT(a, b);
INSERT INTO t1 values ('hij','klm');
SELECT CONCAT(a, b),count(*) FROM t1 GROUP BY 1;
DROP TABLE t1;

#
# Test problem with ORDER BY on a SUM() column
#

create table t1 (One int unsigned, Two int unsigned, Three int unsigned, Four int unsigned);
insert into t1 values (1,2,1,4),(1,2,2,4),(1,2,3,4),(1,2,4,4),(1,1,1,4),(1,1,2,4),(1,1,3,4),(1,1,4,4),(1,3,1,4),(1,3,2,4),(1,3,3,4),(1,3,4,4);
select One, Two, sum(Four) from t1 group by One,Two;
drop table t1;

create table t1 (id integer primary key not null auto_increment, gender char(1));
insert into t1 values (NULL, 'M'), (NULL, 'F'),(NULL, 'F'),(NULL, 'F'),(NULL, 'M');
create table t2 (user_id integer not null, date date);
insert into t2 values (1, '2002-06-09'),(2, '2002-06-09'),(1, '2002-06-09'),(3, '2002-06-09'),(4, '2002-06-09'),(4, '2002-06-09');
select u.gender as gender, count(distinct  u.id) as dist_count, (count(distinct u.id)/5*100) as percentage from t1 u, t2 l where l.user_id = u.id group by u.gender;
select u.gender as  gender, count(distinct  u.id) as dist_count, (count(distinct u.id)/5*100) as percentage from t1 u, t2 l where l.user_id = u.id group by u.gender  order by percentage;
drop table t1,t2;

#
# The GROUP BY returned rows in wrong order in 3.23.51
#

CREATE TABLE t1 (ID1 int, ID2 int, ID int NOT NULL AUTO_INCREMENT,PRIMARY KEY(ID
));
insert into t1 values (1,244,NULL),(2,243,NULL),(134,223,NULL),(185,186,NULL);
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off';
select S.ID as xID, S.ID1 as xID1 from t1 as S left join t1 as yS  on S.ID1 between yS.ID1 and yS.ID2;
select S.ID as xID, S.ID1 as xID1, repeat('*',count(distinct yS.ID)) as Level from t1 as S left join t1 as yS  on S.ID1 between yS.ID1 and yS.ID2 group by xID order by xID1;
SET optimizer_switch=@save_optimizer_switch;
drop table t1;

#
# Problem with MAX and LEFT JOIN
#

CREATE TABLE t1 (
  pid int(11) unsigned NOT NULL default '0',
  c1id int(11) unsigned default NULL,
  c2id int(11) unsigned default NULL,
  value int(11) unsigned NOT NULL default '0',
  UNIQUE KEY pid2 (pid,c1id,c2id),
  UNIQUE KEY pid (pid,value)
) ENGINE=MyISAM;

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

CREATE TABLE t2 (
  id int(11) unsigned NOT NULL default '0',
  active enum('Yes','No') NOT NULL default 'Yes',
  PRIMARY KEY  (id)
) ENGINE=MyISAM;

INSERT INTO t2 VALUES (1, 'Yes'),(2, 'No'),(4, 'Yes'),(5, 'No');

CREATE TABLE t3 (
  id int(11) unsigned NOT NULL default '0',
  active enum('Yes','No') NOT NULL default 'Yes',
  PRIMARY KEY  (id)
);
INSERT INTO t3 VALUES (3, 'Yes');

select * from t1 AS m LEFT JOIN t2 AS c1 ON m.c1id = 
c1.id AND c1.active = 'Yes' LEFT JOIN t3 AS c2 ON m.c2id = c2.id AND 
c2.active = 'Yes' WHERE m.pid=1  AND (c1.id IS NOT NULL OR c2.id IS NOT NULL);
select max(value) from t1 AS m LEFT JOIN t2 AS c1 ON 
m.c1id = c1.id AND c1.active = 'Yes' LEFT JOIN t3 AS c2 ON m.c2id = 
c2.id AND c2.active = 'Yes' WHERE m.pid=1  AND (c1.id IS NOT NULL OR c2.id IS 
NOT NULL);
drop table t1,t2,t3;

#
# Test bug in GROUP BY on BLOB that is NULL or empty
#

create table t1 (a blob null);
insert into t1 values (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(""),(""),(""),("b");
select a,count(*) from t1 group by a;
set tmp_memory_table_size=0;
select a,count(*) from t1 group by a;
drop table t1;
set tmp_memory_table_size=default;

#
# Test of GROUP BY ... ORDER BY NULL optimization
#

SET @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity,@save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off',@@optimizer_use_condition_selectivity=4;
create table t1 (a int not null, b int not null);
insert into t1 values (1,1),(1,2),(3,1),(3,2),(2,2),(2,1);
create table t2 (a int not null, b int not null, key(a));
insert into t2 values (1,3),(3,1),(2,2),(1,1);
select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
--sorted_result
select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
drop table t1,t2;
SET @@optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity,@@optimizer_switch=@save_optimizer_switch;


#
# group function arguments in some functions
#

create table t1 (a int, b int);
insert into t1 values (1, 4),(10, 40),(1, 4),(10, 43),(1, 4),(10, 41),(1, 4),(10, 43),(1, 4);
select a, MAX(b), INTERVAL (MAX(b), 1,3,10,30,39,40,50,60,100,1000) from t1 group by a;
select a, MAX(b), CASE MAX(b) when 4 then 4 when 43 then 43 else 0 end from t1 group by a;
select a, MAX(b), FIELD(MAX(b), '43', '4', '5') from t1 group by a;
select a, MAX(b), CONCAT_WS(MAX(b), '43', '4', '5') from t1 group by a;
select a, MAX(b), ELT(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f') from t1 group by a;
select a, MAX(b), MAKE_SET(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h') from t1 group by a;
drop table t1;

#
# Problem with group by and alias
#

create table t1 (id int not null, qty int not null);
insert into t1 values (1,2),(1,3),(2,4),(2,5);
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sum(qty)>2 and cqty>1;
select id, sum(qty) as sqty from t1 group by id having sqty>2 and count(qty)>1;
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sqty>2 and cqty>1;
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sum(qty)>2 and count(qty)>1;
select count(*), case interval(qty,2,3,4,5,6,7,8) when -1 then NULL when 0 then "zero" when 1 then "one" when 2 then "two" end as category from t1 group by category;
select count(*), interval(qty,2,3,4,5,6,7,8) as category from t1 group by category;
drop table t1;
#
# Tests for bug #1355: 'Using filesort' is missing in EXPLAIN when ORDER BY
# NULL is used.
#
CREATE TABLE t1 (
  userid int(10) unsigned,
  score smallint(5) unsigned,
  key (score)
);
INSERT INTO t1 VALUES (1,1),(2,2),(1,1),(3,3),(3,3),(3,3),(3,3),(3,3);
# Here we select unordered GROUP BY into a temporary talbe, 
# and then sort it with filesort (GROUP BY in MySQL 
# implies sorted order of results)
SELECT userid,count(*) FROM t1 GROUP BY userid DESC;
EXPLAIN SELECT userid,count(*) FROM t1 GROUP BY userid DESC;
DROP TABLE t1;
CREATE TABLE t1 (
  i int(11) default NULL,
  j int(11) default NULL
);
INSERT INTO t1 VALUES (1,2),(2,3),(4,5),(3,5),(1,5),(23,5);
SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
explain SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
DROP TABLE t1;

#Test for BUG#6976: Aggregate functions have incorrect NULL-ness
create table t1 (a int);
insert into t1 values(null);
select min(a) is null from t1;
select min(a) is null or null from t1;
select 1 and min(a) is null from t1;
drop table t1;

# Test for BUG#5400: GROUP_CONCAT returns everything twice.
create table t1 ( col1 int, col2 int );
insert into t1 values (1,1),(1,2),(1,3),(2,1),(2,2);
select group_concat( distinct col1 ) as alias from t1
  group by col2 having alias like '%';

drop table t1;

#
# Test BUG#8216 when referring in HAVING to n alias which is rand() function
#

create table t1 (a integer, b integer, c integer);
insert into t1 (a,b) values (1,2),(1,3),(2,5);
select a, 0.1*0+1 r2, sum(1) r1 from t1 where a = 1 group  by a having r1>1 and r2=1;
# rand(100)*10 will be < 2 only for the first row (of 6)
select a, round(rand(100)*10) r2, sum(1) r1 from t1 where a = 1 group by a having r1>1 and r2<=2;
select a, round(rand(100)*10) r2, sum(1) r1 from t1  group by a having r1>1 and r2<=2;
select a,sum(b) from t1 where a=1 group by c;
select a*sum(b) from t1 where a=1 group by c;
select a*sum(b) as f1 from t1 where a=1 group by c having f1 <= 10;
select a,a*sum(b) as f1 from t1 where a=1 group by c having a*sum(b)+0 <= 10;
select sum(a)*sum(b) from t1 where a=1 group by c;
select a,sum(b) from t1 where a=1 group by c having a=1;
select a as d,sum(b) from t1 where a=1 group by c having d=1;
select sum(a)*sum(b) as d from t1 where a=1 group by c having d > 0;
drop table t1;

# Test for BUG#9213 GROUP BY query on utf-8 key returns wrong results
create table t1(a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(8),(9);
create table t2 (
  a int,
  b varchar(200) NOT NULL,
  c varchar(50) NOT NULL,
  d varchar(100) NOT NULL,
  primary key (a,b(132),c,d),
  key a (a,b)
) charset=utf8;

insert into t2 select 
   x3.a,  -- 3
   concat('val-', x3.a + 3*x4.a), -- 12
   concat('val-', @a:=x3.a + 3*x4.a + 12*C.a), -- 120
   concat('val-', @a + 120*D.a)
from t1 x3, t1 x4, t1 C, t1 D where x3.a < 3 and x4.a < 4 and D.a < 4;

delete from t2  where a = 2 and b = 'val-2' order by a,b,c,d limit 30;

explain select c from t2 where a = 2 and b = 'val-2' group by c;
select c from t2 where a = 2 and b = 'val-2' group by c;
drop table t1,t2;

# Test for BUG#9298 "Wrong handling of int4 unsigned columns in GROUP functions"
# (the actual problem was with protocol code, not GROUP BY)
create table t1 (b int4 unsigned not null);
insert into t1 values(3000000000);
select * from t1;
select min(b) from t1;
drop table t1;

#
# Test for bug #11088: GROUP BY a BLOB column with COUNT(DISTINCT column1) 
#

CREATE TABLE t1 (id int PRIMARY KEY, user_id int, hostname longtext);

INSERT INTO t1 VALUES
  (1, 7, 'cache-dtc-af05.proxy.aol.com'),
  (2, 3, 'what.ever.com'),
  (3, 7, 'cache-dtc-af05.proxy.aol.com'),
  (4, 7, 'cache-dtc-af05.proxy.aol.com');

SELECT hostname, COUNT(DISTINCT user_id) as no FROM t1
  WHERE hostname LIKE '%aol%'
    GROUP BY hostname;

DROP TABLE t1;

#
# Test for bug #8614: GROUP BY 'const' with DISTINCT  
#

CREATE TABLE t1 (a  int, b int);
INSERT INTO t1 VALUES (1,2), (1,3);
SELECT a, b FROM t1 GROUP BY 'const';
SELECT DISTINCT a, b FROM t1 GROUP BY 'const';

DROP TABLE t1;

#
# Test for bug #11385: GROUP BY for datetime converted to decimals  
#

CREATE TABLE t1 (id INT, dt DATETIME);
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
SELECT dt DIV 1 AS f, id FROM t1 GROUP BY f;

DROP TABLE t1;

#
# Test for bug #11295: GROUP BY a BLOB column with COUNT(DISTINCT column1) 
#                      when the BLOB column takes NULL values
# 

CREATE TABLE t1 (id varchar(20) NOT NULL);
INSERT INTO t1 VALUES ('trans1'), ('trans2');
CREATE TABLE t2 (id varchar(20) NOT NULL, err_comment blob NOT NULL);
INSERT INTO t2 VALUES ('trans1', 'a problem');
SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS comment
  FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY comment;

DROP TABLE t1, t2;

#
# Bug #12266 GROUP BY expression on DATE column produces result with
#            reduced length
#
create table t1 (f1 date);
insert into t1 values('2005-06-06');
insert into t1 values('2005-06-06'); 
select date(left(f1+0,8)) from t1 group by 1;
drop table t1;

#
# Test for bug #11414: crash on Windows for a simple GROUP BY query 
#  
                    
CREATE TABLE t1 (n int);
INSERT INTO t1 VALUES (1);
SELECT n+1 AS n FROM t1 GROUP BY n;
DROP TABLE t1;

#
# BUG#12695: Item_func_isnull::update_used_tables
# did not update const_item_cache
#
create table t1(f1 varchar(5) key);
insert into t1 values (1),(2);
select sql_buffer_result max(f1) is null from t1;
select sql_buffer_result max(f1)+1 from t1;
drop table t1;

#
# BUG#14019-4.1-opt
#
CREATE TABLE t1(a INT); INSERT INTO t1 VALUES (1),(2);

SELECT a FROM t1 GROUP BY 'a';
SELECT a FROM t1 GROUP BY "a";
SELECT a FROM t1 GROUP BY `a`;

set sql_mode=ANSI_QUOTES;
SELECT a FROM t1 GROUP BY "a";
SELECT a FROM t1 GROUP BY 'a';
SELECT a FROM t1 GROUP BY `a`;
set sql_mode='';

SELECT a FROM t1 HAVING 'a' > 1;
SELECT a FROM t1 HAVING "a" > 1;
SELECT a FROM t1 HAVING `a` > 1;

SELECT a FROM t1 ORDER BY 'a' DESC;
SELECT a FROM t1 ORDER BY "a" DESC;
SELECT a FROM t1 ORDER BY `a` DESC;
DROP TABLE t1;

#
# Bug #29717 INSERT INTO SELECT inserts values even if SELECT statement itself
# returns empty
# 
CREATE TABLE t1 (
    f1 int(10) unsigned NOT NULL auto_increment primary key,
    f2 varchar(100) NOT NULL default ''
);
CREATE TABLE t2 (
    f1 varchar(10) NOT NULL default '',
    f2 char(3) NOT NULL default '',
    PRIMARY KEY  (`f1`),
    KEY `k1` (`f2`,`f1`)
);

INSERT INTO t1 values(NULL, '');
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
SELECT SQL_BUFFER_RESULT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
SELECT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
DROP TABLE t1, t2;


# End of 4.1 tests

#
# Bug#11211: Ambiguous column reference in GROUP BY.
#

create table t1 (c1 char(3), c2 char(3));
create table t2 (c3 char(3), c4 char(3));
insert into t1 values ('aaa', 'bb1'), ('aaa', 'bb2');
insert into t2 values ('aaa', 'bb1'), ('aaa', 'bb2');

# query with ambiguous column reference 'c2'
select t1.c1 as c2 from t1, t2 where t1.c2 = t2.c4
group by c2;
show warnings;

# this query has no ambiguity
select t1.c1 as c2 from t1, t2 where t1.c2 = t2.c4
group by t1.c1;

show warnings;
drop table t1, t2;

#
# Bug #20466: a view is mixing data when there's a trigger on the table
#
CREATE TABLE t1 (a tinyint(3), b varchar(255), PRIMARY KEY  (a));

INSERT INTO t1 VALUES (1,'-----'), (6,'Allemagne'), (17,'Autriche'), 
    (25,'Belgique'), (54,'Danemark'), (62,'Espagne'), (68,'France');

CREATE TABLE t2 (a tinyint(3), b tinyint(3), PRIMARY KEY  (a), KEY b (b));

INSERT INTO t2 VALUES (1,1), (2,1), (6,6), (18,17), (15,25), (16,25),
 (17,25), (10,54), (5,62),(3,68);

CREATE VIEW v1 AS select t1.a, concat(t1.b,'') AS b, t1.b as real_b from t1;

explain 
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug#22781: SQL_BIG_RESULT fails to influence sort plan
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, key (b));

INSERT INTO t1 VALUES (1,      1);
INSERT INTO t1 SELECT  a + 1 , MOD(a + 1 , 20) FROM t1;
INSERT INTO t1 SELECT  a + 2 , MOD(a + 2 , 20) FROM t1;
INSERT INTO t1 SELECT  a + 4 , MOD(a + 4 , 20) FROM t1;
INSERT INTO t1 SELECT  a + 8 , MOD(a + 8 , 20) FROM t1;
INSERT INTO t1 SELECT  a + 16, MOD(a + 16, 20) FROM t1;
INSERT INTO t1 SELECT  a + 32, MOD(a + 32, 20) FROM t1;
INSERT INTO t1 SELECT  a + 64, MOD(a + 64, 20) FROM t1;

SELECT MIN(b), MAX(b) from t1;

EXPLAIN SELECT b, sum(1) FROM t1 GROUP BY b;
EXPLAIN SELECT SQL_BIG_RESULT b, sum(1) FROM t1 GROUP BY b;
SELECT b, sum(1) FROM t1 GROUP BY b;
SELECT SQL_BIG_RESULT b, sum(1) FROM t1 GROUP BY b;
DROP TABLE t1;

#
# Bug #23417: Too strict checks against GROUP BY in the ONLY_FULL_GROUP_BY mode
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1),(2,1),(3,2),(4,2),(5,3),(6,3);

SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
SELECT MAX(a)-MIN(a) FROM t1 GROUP BY b;
SELECT CEILING(MIN(a)) FROM t1 GROUP BY b;
SELECT CASE WHEN AVG(a)>=0 THEN 'Positive' ELSE 'Negative' END FROM t1 
 GROUP BY b;
SELECT a + 1 FROM t1 GROUP BY a;
--error ER_WRONG_FIELD_WITH_GROUP 
SELECT a + b FROM t1 GROUP BY b;
SELECT (SELECT t1_outer.a FROM t1 AS t1_inner GROUP BY b LIMIT 1) 
  FROM t1 AS t1_outer;
SELECT 1 FROM t1 as t1_outer GROUP BY a 
  HAVING (SELECT t1_outer.a FROM t1 AS t1_inner GROUP BY b LIMIT 1);
--error ER_WRONG_FIELD_WITH_GROUP 
SELECT (SELECT t1_outer.a FROM t1 AS t1_inner LIMIT 1) 
  FROM t1 AS t1_outer GROUP BY t1_outer.b;
--error ER_BAD_FIELD_ERROR 
SELECT 1 FROM t1 as t1_outer GROUP BY a 
  HAVING (SELECT t1_outer.b FROM t1 AS t1_inner LIMIT 1);
SELECT (SELECT SUM(t1_inner.a) FROM t1 AS t1_inner LIMIT 1) 
  FROM t1 AS t1_outer GROUP BY t1_outer.b;
SELECT (SELECT SUM(t1_inner.a) FROM t1 AS t1_inner GROUP BY t1_inner.b LIMIT 1)
  FROM t1 AS t1_outer;
--error ER_WRONG_FIELD_WITH_GROUP 
SELECT (SELECT SUM(t1_outer.a) FROM t1 AS t1_inner LIMIT 1) 
  FROM t1 AS t1_outer GROUP BY t1_outer.b;

SELECT 1 FROM t1 as t1_outer 
  WHERE (SELECT t1_outer.b FROM t1 AS t1_inner GROUP BY t1_inner.b LIMIT 1);

SELECT b FROM t1 GROUP BY b HAVING CEILING(b) > 0;

SELECT 1 FROM t1 GROUP BY b HAVING b = 2 OR b = 3 OR SUM(a) > 12;
SELECT 1 FROM t1 GROUP BY b HAVING ROW (b,b) = ROW (1,1);

--error ER_BAD_FIELD_ERROR
SELECT 1 FROM t1 GROUP BY b HAVING a = 2;
--error ER_INVALID_GROUP_FUNC_USE
SELECT 1 FROM t1 GROUP BY SUM(b);
--error ER_WRONG_FIELD_WITH_GROUP 
SELECT b FROM t1 AS t1_outer GROUP BY a HAVING t1_outer.a IN 
  (SELECT SUM(t1_inner.b)+t1_outer.b FROM t1 AS t1_inner GROUP BY t1_inner.a
   HAVING SUM(t1_inner.b)+t1_outer.b > 5);
DROP TABLE t1;
SET SQL_MODE = '';
#
# Bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
#
SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
create table t1(f1 int, f2 int);
--error 1055
select * from t1 group by f1;
--error 1055
select * from t1 group by f2;
select * from t1 group by f1, f2;
--error 1055
select t1.f1,t.* from t1, t1 t group by 1;
drop table t1;
SET SQL_MODE = '';

#
# Bug #32202: ORDER BY not working with GROUP BY
#

CREATE TABLE t1(
  id INT AUTO_INCREMENT PRIMARY KEY, 
  c1 INT NOT NULL, 
  c2 INT NOT NULL,
  UNIQUE KEY (c2,c1));

INSERT INTO t1(c1,c2) VALUES (5,1), (4,1), (3,5), (2,3), (1,3);

# Show that the test cases from the bug report pass
SELECT * FROM t1 ORDER BY c1;
SELECT * FROM t1 GROUP BY id ORDER BY c1;

# Show that DESC is handled correctly
SELECT * FROM t1 GROUP BY id ORDER BY id DESC;

# Show that results are correctly ordered when ORDER BY fields
# are a subset of GROUP BY ones
SELECT * FROM t1 GROUP BY c2 ,c1, id ORDER BY c2, c1;
SELECT * FROM t1 GROUP BY c2, c1, id ORDER BY c2 DESC, c1;
SELECT * FROM t1 GROUP BY c2, c1, id ORDER BY c2 DESC, c1 DESC;

# Show that results are correctly ordered when GROUP BY fields
# are a subset of ORDER BY ones
SELECT * FROM t1 GROUP BY c2  ORDER BY c2, c1;
SELECT * FROM t1 GROUP BY c2  ORDER BY c2 DESC, c1;
SELECT * FROM t1 GROUP BY c2  ORDER BY c2 DESC, c1 DESC;

DROP TABLE t1;


--echo #
--echo # Bug#27219: Aggregate functions in ORDER BY.  
--echo #
SET @save_sql_mode=@@sql_mode;
SET @@sql_mode='ONLY_FULL_GROUP_BY';

CREATE TABLE t1 (a INT, b INT, c INT DEFAULT 0);
INSERT INTO t1 (a, b) VALUES (3,3), (2,2), (3,3), (2,2), (3,3), (4,4);
CREATE TABLE t2 SELECT * FROM t1;

SELECT 1 FROM t1 ORDER BY COUNT(*);
SELECT 1 FROM t1 ORDER BY COUNT(*) + 1;
--error 1140
SELECT 1 FROM t1 ORDER BY COUNT(*) + a;
SELECT 1 FROM t1 ORDER BY COUNT(*), 1;
--error 1140
SELECT 1 FROM t1 ORDER BY COUNT(*), a;

SELECT 1 FROM t1 ORDER BY SUM(a);
SELECT 1 FROM t1 ORDER BY SUM(a + 1);
SELECT 1 FROM t1 ORDER BY SUM(a) + 1;
--error 1140
SELECT 1 FROM t1 ORDER BY SUM(a), b;

--error 1140
SELECT a FROM t1 ORDER BY COUNT(b);

SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a) FROM t2);

--error 1140
SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a), t2.a FROM t2);
--error 1140
SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a) FROM t2 ORDER BY t2.a);
--error 1140
SELECT t1.a FROM t1 ORDER BY (SELECT t2.a FROM t2 ORDER BY SUM(t2.b) LIMIT 1);

--error 1140
SELECT t1.a FROM t1
  WHERE t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t2.b) LIMIT 1);
--error 1140
SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t2.a) LIMIT 1);

SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a IN (SELECT t2.a FROM t2 ORDER BY SUM(t1.b));
--error 1140
SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a IN (SELECT t2.a FROM t2 ORDER BY t2.a, SUM(t2.b));
--error 1140
SELECT t1.a FROM t1 GROUP BY t1.a
  HAVING t1.a > ANY (SELECT t2.a FROM t2 ORDER BY t2.a, SUM(t2.b));

--error 1140
SELECT t1.a FROM t1
  WHERE t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t1.b));

SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(SUM(t1.b) + 1) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(SUM(t1.b) + t2.b) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(t1.b + t2.b) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);

--error 1140
SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(SUM(t1.b) + 1) FROM t2 ORDER BY t2.a LIMIT 1);
--error 1140
SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(SUM(t1.b) + t2.b) FROM t2 ORDER BY t2.a LIMIT 1);
--error 1140
SELECT 1 FROM t1 GROUP BY t1.a
  HAVING (SELECT AVG(t1.b + t2.b) FROM t2 ORDER BY t2.a LIMIT 1);

# Both SUMs are aggregated in the subquery, no mixture:
SELECT t1.a FROM t1 
  WHERE t1.a = (SELECT t2.a FROM t2 GROUP BY t2.a
                  ORDER BY SUM(t2.b), SUM(t1.b) LIMIT 1);

# SUM(t1.b) is aggregated in the subquery, no mixture:
SELECT t1.a, SUM(t1.b) FROM t1 
  WHERE t1.a = (SELECT SUM(t2.b) FROM t2 GROUP BY t2.a
                  ORDER BY SUM(t2.b), SUM(t1.b) LIMIT 1)
  GROUP BY t1.a;

# 2nd SUM(t1.b) is aggregated in the subquery, no mixture:
SELECT t1.a, SUM(t1.b) FROM t1 
  WHERE t1.a = (SELECT SUM(t2.b) FROM t2
                  ORDER BY SUM(t2.b) + SUM(t1.b) LIMIT 1)
  GROUP BY t1.a;

# SUM(t2.b + t1.a) is aggregated in the subquery, no mixture:
SELECT t1.a, SUM(t1.b) FROM t1 
  WHERE t1.a = (SELECT SUM(t2.b) FROM t2
                  ORDER BY SUM(t2.b + t1.a) LIMIT 1)
  GROUP BY t1.a;

SELECT t1.a FROM t1 GROUP BY t1.a
    HAVING (1, 1) = (SELECT SUM(t1.a), t1.a FROM t2 LIMIT 1);

select avg (
  (select
    (select sum(outr.a + innr.a) from t1 as innr limit 1) as tt
   from t1 as outr order by outr.a limit 1))
from t1 as most_outer;

--error 1140
select avg (
  (select (
    (select sum(outr.a + innr.a) from t1 as innr limit 1)) as tt
   from t1 as outr order by count(outr.a) limit 1)) as tt
from t1 as most_outer;

select (select sum(outr.a + t1.a) from t1 limit 1) as tt from t1 as outr order by outr.a;

SET sql_mode=@save_sql_mode;
DROP TABLE t1, t2;

--echo # 
--echo # BUG#38072: Wrong result: HAVING not observed in a query with aggregate
--echo # 
CREATE TABLE t1 (
  pk int(11) NOT NULL AUTO_INCREMENT,
  int_nokey int(11) NOT NULL,
  int_key int(11) NOT NULL,
  varchar_key varchar(1) NOT NULL,
  varchar_nokey varchar(1) NOT NULL,
  PRIMARY KEY (pk),
  KEY int_key (int_key),
  KEY varchar_key (varchar_key)
);
INSERT INTO t1 VALUES 
(1,5,5, 'h','h'),
(2,1,1, '{','{'),
(3,1,1, 'z','z'),
(4,8,8, 'x','x'),
(5,7,7, 'o','o'),
(6,3,3, 'p','p'),
(7,9,9, 'c','c'),
(8,0,0, 'k','k'),
(9,6,6, 't','t'),
(10,0,0,'c','c');

explain SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
SELECT COUNT(varchar_key) AS X FROM t1 WHERE pk = 8 having 'foo'='bar';
drop table t1;
  
--echo End of 5.0 tests
# Bug #21174: Index degrades sort performance and 
#             optimizer does not honor IGNORE INDEX.
#             a.k.a WL3527.
#
CREATE TABLE t1 (a INT, b INT,
                 PRIMARY KEY (a),
                 KEY i2(a,b));
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);
INSERT INTO t1 SELECT a + 8,b FROM t1;
INSERT INTO t1 SELECT a + 16,b FROM t1;
INSERT INTO t1 SELECT a + 32,b FROM t1;
INSERT INTO t1 SELECT a + 64,b FROM t1;
INSERT INTO t1 SELECT a + 128,b FROM t1 limit 16;
ANALYZE TABLE t1;
EXPLAIN SELECT a FROM t1 WHERE a < 2;
EXPLAIN SELECT a FROM t1 WHERE a < 2 ORDER BY a;
EXPLAIN SELECT a FROM t1 WHERE a < 2 GROUP BY a;
EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY,i2);
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR JOIN (PRIMARY,i2);

--echo #
--echo #  For this explain, the query plan is weird: if we are using 
--echo #  the primary key for reasons other than doing grouping, can't
--echo #  GROUP BY code take advantage of this?  Well, currently it doesnt:
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a;
--echo #  Here's a proof it is really doing sorting:
flush status;
--disable_result_log
SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a;
--enable_result_log
show status like 'Sort_%';
--echo # Proof ends.
--echo # 

--echo #  For this explain, the query plan is weird: if we are using 
--echo #  the primary key for reasons other than doing sorting, can't
--echo #  ORDER BY code take advantage of this?  Well, currently it doesnt:
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
--echo #  Here's a proof it is really doing sorting:
flush status;
--disable_result_log
SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
--enable_result_log
show status like 'Sort_%';
--echo # Proof ends.
--echo # 
SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY)
  IGNORE INDEX FOR GROUP BY (i2) GROUP BY a;
EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY) IGNORE INDEX FOR ORDER BY (i2);
EXPLAIN SELECT a FROM t1 FORCE INDEX (i2);
EXPLAIN SELECT a FROM t1 USE INDEX ();
EXPLAIN SELECT a FROM t1 USE INDEX () USE INDEX (i2);
--error ER_WRONG_USAGE
EXPLAIN SELECT a FROM t1 
  FORCE INDEX (PRIMARY) 
  IGNORE INDEX FOR GROUP BY (i2)
  IGNORE INDEX FOR ORDER BY (i2)
  USE INDEX (i2);
EXPLAIN SELECT a FROM t1 USE INDEX (i2) USE INDEX ();
--error ER_PARSE_ERROR
EXPLAIN SELECT a FROM t1 FORCE INDEX ();
--error ER_PARSE_ERROR
EXPLAIN SELECT a FROM t1 IGNORE INDEX ();
# disable the columns irrelevant to this test here. On some systems 
# without support for large files the rowid is shorter and its size affects 
# the cost calculations. This causes the optimizer to choose loose index
# scan over normal index access.
--replace_column 4 # 7 # 9 # 10 #
EXPLAIN SELECT a FROM t1 USE INDEX FOR JOIN (i2) 
  USE INDEX FOR GROUP BY (i2) GROUP BY a;
EXPLAIN SELECT a FROM t1 FORCE INDEX FOR JOIN (i2) 
  FORCE INDEX FOR GROUP BY (i2) GROUP BY a;
EXPLAIN SELECT a FROM t1 USE INDEX () IGNORE INDEX (i2);
EXPLAIN SELECT a FROM t1 IGNORE INDEX (i2) USE INDEX ();

EXPLAIN SELECT a FROM t1 
  USE INDEX FOR GROUP BY (i2) 
  USE INDEX FOR ORDER BY (i2)
  USE INDEX FOR JOIN (i2);

EXPLAIN SELECT a FROM t1 
  USE INDEX FOR JOIN (i2) 
  USE INDEX FOR JOIN (i2) 
  USE INDEX FOR JOIN (i2,i2);

SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='semijoin_with_cache=off';
EXPLAIN SELECT 1 FROM t1 WHERE a IN
  (SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
SET optimizer_switch=@save_optimizer_switch;

CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2; 
EXPLAIN SELECT a, SUM(b) FROM t2 IGNORE INDEX (a) GROUP BY a LIMIT 2;

SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='semijoin_with_cache=off';
EXPLAIN SELECT 1 FROM t2 WHERE a IN
  (SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
SET optimizer_switch=@save_optimizer_switch;

DROP TABLE t1, t2;

#
# Bug#30596: GROUP BY optimization gives wrong result order
#
CREATE TABLE t1(
  a INT, 
  b INT NOT NULL, 
  c INT NOT NULL, 
  d INT, 
  UNIQUE KEY (c,b)
);

INSERT INTO t1 VALUES (1,1,1,50), (1,2,3,40), (2,1,3,4);

CREATE TABLE t2(
  a INT,
  b INT,
  UNIQUE KEY(a,b)
);

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

EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d;
SELECT c,b,d FROM t1 GROUP BY c,b,d;
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d;
SELECT c,b,d FROM t1 ORDER BY c,b,d;

EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b;
SELECT c,b,d FROM t1 GROUP BY c,b;
EXPLAIN SELECT c,b   FROM t1 GROUP BY c,b;
SELECT c,b   FROM t1 GROUP BY c,b;

EXPLAIN SELECT a,b from t2 ORDER BY a,b;
SELECT a,b from t2 ORDER BY a,b;
EXPLAIN SELECT a,b from t2 GROUP BY a,b;
SELECT a,b from t2 GROUP BY a,b;
EXPLAIN SELECT a from t2 GROUP BY a;
SELECT a from t2 GROUP BY a;
EXPLAIN SELECT b from t2 GROUP BY b;
SELECT b from t2 GROUP BY b;

DROP TABLE t1;
DROP TABLE t2;

#
# Bug #31797: error while parsing subqueries -- WHERE is parsed as HAVING
#
CREATE TABLE t1 ( a INT, b INT );

SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1;

SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1 
HAVING b = 10;

--error ER_ILLEGAL_REFERENCE
SELECT MAX(b) c, (SELECT a FROM t1 WHERE b = c)
FROM t1 
HAVING b = 10;

SET @old_sql_mode = @@sql_mode;
SET @@sql_mode='ONLY_FULL_GROUP_BY';

SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1;

--error ER_NON_GROUPING_FIELD_USED
SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1 
HAVING b = 10;

--error ER_ILLEGAL_REFERENCE
SELECT MAX(b) c, (SELECT a FROM t1 WHERE b = c)
FROM t1 
HAVING b = 10;

INSERT INTO t1 VALUES (1, 1);
SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1;

INSERT INTO t1 VALUES (2, 1);
--error ER_SUBQUERY_NO_1_ROW
SELECT b c, (SELECT a FROM t1 WHERE b = c)
FROM t1;

DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;


#
# Bug#42567 Invalid GROUP BY error
#

# Setup of the subtest
SET @old_sql_mode = @@sql_mode;
SET @@sql_mode='ONLY_FULL_GROUP_BY';

CREATE TABLE t1(i INT);
INSERT INTO t1 VALUES (1), (10);

# The actual test
SELECT COUNT(i) FROM t1;
SELECT COUNT(i) FROM t1 WHERE i > 1;

# Cleanup of subtest
DROP TABLE t1;
SET @@sql_mode = @old_sql_mode;

--echo #
--echo # Bug #45640: optimizer bug produces wrong results
--echo #

CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30);

--echo # should return 4 ordered records:
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;

SELECT (SELECT (SELECT t1.a)) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;

SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;

--echo # should return the same result in a reverse order:
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;

--echo # execution plan should not use temporary table:
EXPLAIN EXTENDED
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;

EXPLAIN EXTENDED
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;

--echo # should return only one record
SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
  GROUP BY aa;

CREATE TABLE t2 SELECT DISTINCT a FROM t1;

--echo # originally reported queries (1st two columns of next two query
--echo # results should be same):

SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
  FROM t1 GROUP BY aa, b;
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
  FROM t1 GROUP BY aa, b;

--echo # ORDER BY for sure:

SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
  FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
  FROM t1 GROUP BY aa, b ORDER BY -aa, -b;

DROP TABLE t1, t2;


--echo #
--echo # Bug#52051: Aggregate functions incorrectly returns NULL from outer
--echo # join query
--echo #
CREATE TABLE t1 (a INT PRIMARY KEY);
CREATE TABLE t2 (a INT PRIMARY KEY);
INSERT INTO t2 VALUES (1), (2);
EXPLAIN SELECT MIN(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
SELECT MIN(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
EXPLAIN SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
DROP TABLE t1, t2;

#
# min() returns wrong value when used in expression when there is no matching
# rows
#

CREATE TABLE t1 (a int(11) NOT NULL);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (
 key_col int(11) NOT NULL,
 KEY (key_col)
);
INSERT INTO t2 VALUES (1),(2);

select min(t2.key_col) from t1,t2 where t1.a=1;
select min(t2.key_col) from t1,t2 where t1.a > 1000;
select min(t2.key_col)+1 from t1,t2 where t1.a> 1000;
drop table t1,t2;

--echo #
--echo # Bug#55188: GROUP BY, GROUP_CONCAT and TEXT - inconsistent results
--echo #

CREATE TABLE t1 (a text, b varchar(10));
INSERT INTO t1 VALUES (repeat('1', 1300),'one'), (repeat('1', 1300),'two');

query_vertical EXPLAIN 
SELECT SUBSTRING(a,1,10), LENGTH(a), GROUP_CONCAT(b) FROM t1 GROUP BY a;
SELECT SUBSTRING(a,1,10), LENGTH(a), GROUP_CONCAT(b) FROM t1 GROUP BY a;
query_vertical EXPLAIN 
SELECT SUBSTRING(a,1,10), LENGTH(a) FROM t1 GROUP BY a;
SELECT SUBSTRING(a,1,10), LENGTH(a) FROM t1 GROUP BY a;
DROP TABLE t1;

--echo #
--echo # Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field
--echo #

CREATE TABLE t1(f1 INT NOT NULL);
INSERT INTO t1 VALUES (16777214),(0);

SELECT COUNT(*) FROM t1 LEFT JOIN t1 t2
ON 1 WHERE t2.f1 > 1 GROUP BY t2.f1;

DROP TABLE t1;

--echo #
--echo # Bug#59839: Aggregation followed by subquery yields wrong result
--echo #

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

INSERT INTO t1 VALUES
  ( 1, 1,  1 ),
  ( 1, 2,  2 ),
  ( 1, 3,  3 ),
  ( 1, 4,  6 ),
  ( 1, 5,  5 ),
  ( 1, 9, 13 ),

  ( 2, 1,  6 ),
  ( 2, 2,  7 ),
  ( 2, 3,  8 );

EXPLAIN
SELECT a, AVG(t1.b),
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
FROM t1 GROUP BY a;

SELECT a, AVG(t1.b),
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
FROM t1 GROUP BY a;

DROP TABLE t1;

--echo #
--echo # Bug#11765254 (58200): Assertion failed: param.sort_length when grouping
--echo # by functions
--echo #

set tmp_memory_table_size=0;
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0),(0);
SELECT 1 FROM t1 GROUP BY IF(`a`,'','');
SELECT 1 FROM t1 GROUP BY TRIM(LEADING RAND() FROM '');
SELECT 1 FROM t1 GROUP BY SUBSTRING('',SLEEP(0),'');
SELECT 1 FROM t1 GROUP BY SUBSTRING(SYSDATE() FROM 'K' FOR 'jxW<');
DROP TABLE t1;
set tmp_memory_table_size=default;

--echo #
--echo # MDEV-641 LP:1002108 - Wrong result (or crash) from a query with duplicated field in the group list and a limit clause
--echo # Bug#11761078: 53534: INCORRECT 'SELECT SQL_BIG_RESULT...' 
--echo #               WITH GROUP BY ON DUPLICATED FIELDS
--echo #

CREATE TABLE t1(
 col1 int, 
 UNIQUE INDEX idx (col1));

INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
   (11),(12),(13),(14),(15),(16),(17),(18),(19),(20);

let $query0=SELECT col1 AS field1, col1 AS field2
            FROM t1 GROUP BY field1, field2;

# Needs to be range to exercise bug
--eval EXPLAIN $query0;
FLUSH STATUS;
--eval $query0;
SHOW SESSION STATUS LIKE 'Sort_scan%';

let $query=SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2
           FROM t1 GROUP BY field1, field2;

# Needs to be range to exercise bug
--eval EXPLAIN $query
FLUSH STATUS;
--eval $query
SHOW SESSION STATUS LIKE 'Sort_scan%';

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2
FROM v1 
GROUP BY field1, field2; 

SELECT SQL_BIG_RESULT tbl1.col1 AS field1, tbl2.col1 AS field2
FROM t1 as tbl1, t1 as tbl2 
GROUP BY field1, field2 
LIMIT 3;

explain
select col1 f1, col1 f2 from t1 order by f2, f1;
explain
select col1 f1, col1 f2 from t1 order by f2, f1+0;
select col1 f1, col1 f2 from t1 order by f2, f1+0;

explain
select col1 f1, col1 f2 from t1 group by f1;
select col1 f1, col1 f2 from t1 group by f1;

explain
select col1 f1, col1 f2 from t1 group by f1, f2;
select col1 f1, col1 f2 from t1 group by f1, f2;

explain
select col1 f1, col1 f2 from t1 group by f2 order by f2, f1;
select col1 f1, col1 f2 from t1 group by f2 order by f2, f1;

explain
select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1;
select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1;


CREATE TABLE t2(
 col1 int, 
 col2 int, 
 UNIQUE INDEX idx (col1, col2));

INSERT INTO t2(col1, col2) VALUES
   (1,20),(2,19),(3,18),(4,17),(5,16),(6,15),(7,14),(8,13),(9,12),(10,11),
   (11,10),(12,9),(13,8),(14,7),(15,6),(16,5),(17,4),(18,3),(19,2),(20,1);

explain
select col1 f1, col2 f2, col1 f3 from t2 group by f1;
explain
select SQL_BIG_RESULT col1 f1, col2 f2, col1 f3 from t2 group by f1;
explain
select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2;
explain
select col1 f1, col1 f2 from t2 group by f1, 1+1;

explain
select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3+0;
select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3+0;

explain
select col1 f1, col2 f2, col1 f3 from t2 order by f1,f2;
explain
select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3+0;
select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3+0;

DROP VIEW v1;
DROP TABLE t1, t2;

--echo # End of 5.1 tests

--echo #
--echo # LP bug#694450 Wrong result with non-standard GROUP BY + ORDER BY
--echo #
SET SESSION SQL_MODE='ONLY_FULL_GROUP_BY';
CREATE TABLE t1 (
f1 int(11), f2 int(11), f3 datetime, f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT IGNORE INTO t1 VALUES ('1','9','2004-10-11 18:13','x'),('2','5','2004-03-07 14:02','g'),('3','1','2004-04-09 09:38','o'),('4','0','1900-01-01 00:00','g'),('5','1','2009-02-19 02:05','v');

# This must return an error, but instead returns 1 row
SELECT alias2.f3 AS field1 , alias2.f1 AS field2 FROM t1 AS alias1 JOIN t1 AS alias2 ON alias2.f1 = alias1.f2 AND alias2.f1 != alias1.f4 GROUP BY field1 , field2 ORDER BY alias1.f2 , field2;

# This returns several rows
SELECT alias2.f3 AS field1 , alias2.f1 AS field2 FROM t1 AS alias1 JOIN t1 AS alias2 ON alias2.f1 = alias1.f2 AND alias2.f1 != alias1.f4 GROUP BY field1 , field2 ;
SET SESSION SQL_MODE=default;
drop table t1;

--echo #
--echo # LP bug#967242 Wrong result (extra rows, not grouped) with JOIN, AND in ON condition, multi-part key, GROUP BY, OR in WHERE
--echo #

CREATE TABLE t1 ( a VARCHAR(1) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('x');
CREATE TABLE t2 ( b INT, c VARCHAR(1), KEY (c, b) ) ENGINE=MyISAM;
INSERT INTO t2 VALUES
(4, 'd'),(8, 'g'),(3, 'x'),(3, 'f'),
(0, 'p'),(3, 'j'),(8, 'c');

SELECT t2_1.b as zzz
FROM t1 JOIN t2 AS t2_1 JOIN t2 AS t2_2
ON (t2_2.b = t2_1.b ) AND (t2_2.c = t2_1.c )
WHERE
rand() + 1 > 0 OR
a = t2_1.c
GROUP BY zzz;

SELECT t2_1.b as zzz
FROM t1 JOIN t2 AS t2_1 JOIN t2 AS t2_2
ON (t2_2.b = t2_1.b ) AND (t2_2.c = t2_1.c )
WHERE
1 > 0 OR
a = t2_1.c
GROUP BY zzz;

SELECT t2_1.b as zzz
FROM t1 JOIN t2 AS t2_1 JOIN t2 AS t2_2
ON (t2_2.b = t2_1.b ) AND (t2_2.c = t2_1.c )
WHERE
t2_1.b + 1 > 0 OR
a = t2_1.c
GROUP BY zzz;

SET @save_optimizer_switch967242=@@optimizer_switch;
SET optimizer_switch = 'in_to_exists=on';

SELECT t2_1.b
FROM t1 JOIN t2 AS t2_1 JOIN t2 AS t2_2
    ON (t2_2.b = t2_1.b ) AND (t2_2.c = t2_1.c )
WHERE
  ( SELECT COUNT(*) FROM t2 ) IS NOT NULL
  OR a = t2_1.c
GROUP BY t2_1.b;
SET optimizer_switch=@save_optimizer_switch967242;

drop table t1, t2;

--echo #
--echo # Bug#12578908: SELECT SQL_BUFFER_RESULT OUTPUTS TOO MANY 
--echo #               ROWS WHEN GROUP IS OPTIMIZED AWAY
--echo #

CREATE TABLE t1 (col1 int, col2 int) ;
INSERT INTO t1 VALUES (10,1),(11,7);

CREATE TABLE t2 (col1 int, col2 int) ;
INSERT INTO t2 VALUES (10,8);

let $q_body=t2.col2 FROM t2 JOIN t1 ON t1.col1 GROUP BY t2.col2;

--echo
--eval EXPLAIN SELECT SQL_BUFFER_RESULT $q_body
--eval SELECT SQL_BUFFER_RESULT $q_body
--echo
--eval EXPLAIN SELECT $q_body
--eval SELECT $q_body

--echo
DROP TABLE t1,t2;

--echo #
--echo # BUG#12640437: USING SQL_BUFFER_RESULT RESULTS IN A
--echo #               DIFFERENT QUERY OUTPUT
--echo #

CREATE TABLE t1 (
  a int,
  b varchar(1),
  KEY (b,a)
);
INSERT INTO t1 VALUES
  (1,NULL),(0,'a'),(1,NULL),(0,'a'), (1,'a'),(0,'a'),(2,'a'),(1,'a');
ANALYZE TABLE t1;

let $query=
  SELECT SQL_BUFFER_RESULT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;

--echo
--eval EXPLAIN $query
--echo
--eval $query

let $query= SELECT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;
--echo
--eval EXPLAIN $query
--echo
--eval $query

--echo
DROP TABLE t1;


#
# Bug#19880368 : GROUP_CONCAT CRASHES AFTER DUMP_LEAF_KEY
#
create table t1 (a int, b int);
insert into t1 values (1,11), (1,12), (2,22),(2,23), (4,44),(4,45);
create table t2 (c int, d int);
insert into t2 values (1,11), (2,22), (4,44);
select distinct a,sum(b), (select d from t2 where c=a order by max(b) limit 1) from t1 group by a order by max(b);
drop table t1, t2;

--echo #
--echo # LP bug#993726 Wrong result from a query with ALL subquery predicate in WHERE
--echo #
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0);
SELECT 1 FROM t1 WHERE 1 > ALL(SELECT 1 FROM t1 WHERE a!=0);
SELECT max(1) FROM t1 WHERE a!=0;
drop table t1;

--echo # End of 5.2 tests

--echo #
--echo # lp:872702: Crash in add_ref_to_table_cond() when grouping by a PK
--echo #
CREATE TABLE t1 (a int, PRIMARY KEY (a)) ;
INSERT INTO t1 VALUES (14),(15),(16),(17),(18),(19),(20);

CREATE TABLE t2 (a int) ;

SELECT a
FROM t1
WHERE a = (
        SELECT t2.a
        FROM t2
) OR t1.a = 73
GROUP BY 1;
DROP TABLE t1, t2;

#
# MDEV-736 LP:1004615 - Unexpected warnings "Encountered illegal value '' when converting to DECIMAL" on a query with aggregate functions and GROUP BY
#

FLUSH STATUS; # this test case *must* use Aria temp tables

CREATE TABLE t1 (f1 INT, f2 decimal(20,1), f3 blob);
INSERT INTO t1 values(11,NULL,'blob'),(11,NULL,'blob');
SELECT f3, MIN(f2) FROM t1 GROUP BY f1 LIMIT 1;
DROP TABLE t1;

--echo the value below *must* be 1
show status like 'Created_tmp_disk_tables';

--echo #
--echo #  Bug #1002146: Unneeded filesort if usage of join buffer is not allowed
--echo #  (bug mdev-645)
--echo #

CREATE TABLE t1 (pk int PRIMARY KEY, a int, INDEX idx(a));
INSERT INTO t1 VALUES (3,2), (2,3), (5,3), (6,4);

CREATE TABLE t2 (pk int PRIMARY KEY, a int, INDEX idx(a));
INSERT INTO t2 VALUES (9,0), (10,3), (6,4), (1,6), (3,100), (5,200);

set join_cache_level=0;

EXPLAIN
SELECT t2.a FROM t2 STRAIGHT_JOIN t1 ON t2.a <> 0 WHERE t2.a <> 6
  GROUP BY t2.a;
SELECT t2.a FROM t2 STRAIGHT_JOIN t1 ON t2.a <> 0 WHERE t2.a <> 6
  GROUP BY t2.a;

set join_cache_level=default;

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

EXPLAIN
SELECT t2.a FROM t2 LEFT JOIN t1 ON t2.a <> 0 WHERE t2.a <> 6
  GROUP BY t2.a;
SELECT t2.a FROM t2 LEFT JOIN t1 ON t2.a <> 0 WHERE t2.a <> 6
  GROUP BY t2.a;

set optimizer_switch=@save_optimizer_switch;


DROP TABLE t1,t2;

--echo #
--echo # MDEV-5104 crash in Item_field::used_tables with broken order by
--echo #

--error ER_BAD_FIELD_ERROR
(select 1 order by x(y)) order by 1;

--echo # End of 5.3 tests

--echo #
--echo # Bug#49771: Incorrect MIN (date) when minimum value is 0000-00-00
--echo #
CREATE TABLE t1 (f1 int, f2 DATE);

INSERT INTO t1 VALUES (1,'2004-04-19'), (1,'0000-00-00'), (1,'2004-04-18'),
(2,'2004-05-19'), (2,'0001-01-01'), (3,'2004-04-10');

SELECT MIN(f2),MAX(f2) FROM t1;
SELECT f1,MIN(f2),MAX(f2) FROM t1 GROUP BY 1;

DROP TABLE t1;

CREATE TABLE t1 ( f1 int, f2 time);
INSERT INTO t1 VALUES (1,'01:27:35'), (1,'06:11:01'), (2,'19:53:05'),
(2,'21:44:25'), (3,'10:55:12'), (3,'05:45:11'), (4,'00:25:00');

SELECT MIN(f2),MAX(f2) FROM t1;
SELECT f1,MIN(f2),MAX(f2) FROM t1 GROUP BY 1;

DROP TABLE t1;
--echo #End of test#49771

--echo #
--echo # Test of bug in GROUP_CONCAT with ROLLUP
--echo #

CREATE TABLE t1 ( b VARCHAR(8) NOT NULL, a INT NOT NULL ) ENGINE=MyISAM;
INSERT INTO t1 (a,b) VALUES (1,'c'),(2,'v');

CREATE TABLE t2 ( c VARCHAR(8), d INT, KEY (c, d) ) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('v',6),('c',4),('v',3);

SELECT b, GROUP_CONCAT( a, b ORDER BY a, b )
FROM t1 JOIN t2 ON c = b GROUP BY b;

SELECT b, GROUP_CONCAT( a, b ORDER BY a, b )
FROM t1 JOIN t2 ON c = b GROUP BY b WITH ROLLUP;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-24855 ER_CRASHED_ON_USAGE or Assertion `length <= column->length'
--echo # failed in ma_blockrec.c
--echo #

CREATE TABLE t1 (a BIT(5), c BINARY(179));
INSERT INTO t1 VALUES (b'1100','foo'),(b'0','bar');
--disable_result_log
SELECT c, GROUP_CONCAT(CASE NULL WHEN 0 THEN a END, CASE 'foo' WHEN c THEN 1 END) AS f FROM t1 GROUP BY ExtractValue('<a></a>', '/a'), UUID();
--enable_result_log
DROP TABLE t1;

--echo #
--echo # MDEV-6129: Server crashes during UNION with ORDER BY field IS NULL
--echo #

SET sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 AS test UNION SELECT 2 AS test ORDER BY test IS NULL ASC;
SET sql_mode='';

--echo #
--echo # MDEV-6484: Assertion `tab->ref.use_count' failed on query with joins, constant table, multi-part key
--echo #
CREATE TABLE t1 (i1 INT, c1 VARCHAR(1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (6,'b');

CREATE TABLE t2 (pk2 INT, i2 INT, c2 VARCHAR(1), PRIMARY KEY(pk2), KEY(pk2,i2)) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1,2,'s'),(2,4,'r'),(3,8,'m'),(4,4,'b'),(5,4,'x'),(6,7,'g'),(7,4,'p');

SELECT i2 FROM t1 AS t1a STRAIGHT_JOIN ( t2 INNER JOIN t1 AS t1b ON (t1b.c1 = c2) ) ON (t1b.i1 = pk2 ) 
WHERE t1a.c1 = c2 GROUP BY i2;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-6855
--echo # MIN(*) with subqueries with IS NOT NULL in WHERE clause crashed.
--echo #

CREATE TABLE t1 (i INT, c VARCHAR(3), KEY(c,i)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (7,'foo'),(0,'bar');

CREATE TABLE t2 (j INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (0),(8),(1),(8),(9);

SELECT MAX(i), c FROM t1 
WHERE c != 'qux' AND ( SELECT SUM(j) FROM t1, t2 ) IS NOT NULL GROUP BY c;
drop table t1,t2;

--echo #
--echo # ONLY_FULL_GROUP_BY references
--echo #

set @save_sql_mode = @@sql_mode;
set sql_mode='ONLY_FULL_GROUP_BY';
create table t1 (a int, b int);
select a+b as x from t1 group by x having x > 1;
select a as x from t1 group by x having x > 1;
select a from t1 group by a having a > 1;
drop table t1;
set sql_mode= @save_sql_mode;

#
# MDEV-7826 Server crashes in Item_subselect::enumerate_field_refs_processor
#
create table t1 (f1 int);
insert into t1 values (5),(9);
create table t2 (f2 int);
insert into t2 values (0),(6);
create table t3 (f3 int);
insert into t3 values (6),(3);
create table t4 (f4 int);
insert into t4 values (1),(0);
--error ER_ILLEGAL_REFERENCE
select
(select min(f1) from t1 where f1 in (select min(f4) from t2)) as field7,
(select count(*) from t3 where f3 in (select max(f4) from t2 group by field7))
from t4;
drop table t1, t2, t3, t4;

#
# MDEV-13180 Unused left join causes server crash
#
create table t1 (i1 int);
insert into t1 values (1);
create table t2 (i int);
insert into t2 values (2);
select 1 from t1 left join t2 b on b.i = (select max(b.i) from t2);
drop table t1, t2;


#
# MDEV-12489 The select stmt may fail due to "having clause is ambiguous" unexpected
#
create table t1 (c1 int, c2 int);
create table t2 (c1 int, c2 int);
select t1.c1 as c1, t2.c2 as c1 from t1, t2 where t1.c1 < 20 and t2.c2 > 5 group by t1.c1, t2.c2 having t1.c1 < 3;
drop table t1, t2;

#
# MDEV-12350: Heap corruption, overrun buffer, ASAN errors, server crash in my_fill_8bit / filesort
#

SET @old_sort_buff_size = @@sort_buffer_size;
SET @@sort_buffer_size=256*1024;
CREATE TABLE t1 (c INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES
  (2011),(1977),(1982),(2027),(2023),(NULL),(NULL),(2004),(1974),(2032),
  (1993),(NULL),(1995),(2034),(NULL),(2009),(1900),(NULL),(2025),(1900),
  (2033),(1900),(2012),(NULL),(2009),(1992),(1974),(1974),(2012),(2028),
  (2007),(2012),(1900),(1983),(1900),(2010),(1987),(1994),(1981),(2032),
  (2010),(1989),(2014),(1900),(1900),(1976),(1978),(2007),(2030),(NULL),
  (2002),(1997),(1900),(NULL),(2000),(2027),(1975),(2026),(1975),(2026),
  (2029),(1977),(1900),(1900),(2031),(1993),(1986),(2012),(1979),(2013),
  (1994),(2014),(2025),(2006),(1971),(1974),(2021),(2011),(NULL),(1991),
  (2001),(1977),(2023),(2012),(1900),(1978),(1998),(NULL),(1988),(1999),
  (2017),(2008),(1976),(1900),(2005),(2030),(2023),(1900),(1978),(1990),
  (1978),(1987),(2030),(1900),(2034),(2006),(2015),(2001),(2019),(2024),
  (2030),(1989),(1997),(2007),(2023),(1994),(1971),(2011),(2011),(2015),
  (1984),(1978),(1979),(1989),(2008),(2030);
  
SELECT ExtractValue('<a></a>','/a') AS f1, SPACE(c) AS f2 FROM t1 GROUP BY f1, f2 WITH ROLLUP;
SET @@sort_buffer_size = @old_sort_buff_size;
DROP TABLE t1;

#
# End of MariaDB 5.5 tests
#

--echo #
--echo # Bug #58782
--echo # Missing rows with SELECT .. WHERE .. IN subquery 
--echo # with full GROUP BY and no aggr
--echo #

CREATE TABLE t1 (
  pk INT NOT NULL,
  col_int_nokey INT,
  PRIMARY KEY (pk)
);

INSERT INTO t1 VALUES (10,7);
INSERT INTO t1 VALUES (11,1);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (13,3);

## original query:

SELECT pk AS field1, col_int_nokey AS field2 
FROM t1 
WHERE col_int_nokey > 0
GROUP BY field1, field2;

## store query results in a new table:

CREATE TABLE where_subselect
  SELECT pk AS field1, col_int_nokey AS field2
  FROM t1
  WHERE col_int_nokey > 0
  GROUP BY field1, field2
;

## query the new table and compare to original using WHERE ... IN():

SELECT * 
FROM where_subselect
WHERE (field1, field2) IN (
  SELECT pk AS field1, col_int_nokey AS field2
  FROM t1
  WHERE col_int_nokey > 0
  GROUP BY field1, field2
);

DROP TABLE t1;
DROP TABLE where_subselect;

--echo # End of Bug #58782

--echo #
--echo # MDEV-8988: Apparently valid SQL query gives wrong result (nested WHERE)
--echo #
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table t1 (a int, b int, c int);
insert into t1 select A.a + 10*B.a, A.a, A.a + 10*B.a from t0 A, t0 B;
insert into t1 values (NULL, NULL, NULL);

create table t2 (c int, col1 int, key(c));
insert into t2 select t1.a, 100000 from t1;
analyze table t2;

explain 
select 
  max(a)+ (select col1 from t2 where t2.c=t1.c)
from t1 
group by t1.b;

select 
  max(a) + (select col1 from t2 where t2.c=t1.c)
from t1 
group by t1.b;

drop table t0,t1,t2;

--echo #
--echo # MDEV-9602 crash in st_key::actual_rec_per_key when group by constant
--echo #

create table t1 (a date not null,unique (a)) engine=innodb;
select distinct a from t1 group by 'a';
insert into t1 values("2001-02-02"),("2001-02-03");
select distinct a from t1 group by 'a';
drop table t1;

--echo #
--echo # MDEV-10324: Server crash in get_sel_arg_for_keypart or Assertion `n < size()' failed in Mem_root_array
--echo #
CREATE TABLE t1 (
  job_id int(10) unsigned NOT NULL AUTO_INCREMENT,
  job_cmd varbinary(60) NOT NULL DEFAULT '',
  job_namespace int(11) NOT NULL,
  job_title varbinary(255) NOT NULL,
  job_params blob NOT NULL,
  job_timestamp varbinary(14) DEFAULT NULL,
  job_random int(10) unsigned NOT NULL DEFAULT '0',
  job_token varbinary(32) NOT NULL DEFAULT '',
  job_token_timestamp varbinary(14) DEFAULT NULL,
  job_sha1 varbinary(32) NOT NULL DEFAULT '',
  job_attempts int(10) unsigned NOT NULL DEFAULT '0',
  PRIMARY KEY (job_id),
  KEY job_cmd (job_cmd,job_namespace,job_title,job_params(128)),
  KEY job_timestamp (job_timestamp),
  KEY job_sha1 (job_sha1),
  KEY job_cmd_token (job_cmd,job_token,job_random),
  KEY job_cmd_token_id (job_cmd,job_token,job_id)
);
 
INSERT INTO t1 VALUES 
    (NULL, 'foo', 1, 'foo', 'foo', 'foo', 1, 'foo', 'foo', 'foo', 1),
    (NULL, 'bar', 2, 'bar', 'bar', 'bar', 2, 'bar', 'bar', 'bar', 2);
    
SELECT DISTINCT job_cmd  FROM t1 WHERE job_cmd IN ('foobar','null');
drop table t1;

CREATE TABLE t1 (f1 INT NOT NULL, f2 VARCHAR(3) NOT NULL, KEY(f1), KEY(f2, f1));
INSERT INTO t1 VALUES (0,'foo'),(1,'bar');
SELECT 1 IN ( SELECT COUNT( DISTINCT f2 ) FROM t1 WHERE f1 <= 4 );
drop table t1;

--echo #
--echo # MDEV-20922: Adding an order by changes the query results
--echo #

CREATE TABLE t1(a int, b int);
INSERT INTO t1 values (1, 100), (2, 200), (3, 100), (4, 200), (5, 200);

create view v1 as select a, b+1 as x from t1;

SELECT x, COUNT(DISTINCT a) AS y FROM v1 GROUP BY x ORDER BY y;
SELECT b+1 AS x, COUNT(DISTINCT a) AS y FROM t1 GROUP BY x ORDER BY y;

drop view v1;
drop table t1;
--echo #
--echo # MDEV-10694 - SIGFPE and/or huge memory allocation in maria_create with distinct/group by/ rollup
--echo #
create table t1 (a int,b int) ;
insert into t1 values(-126,7),(1,1),(0,0),(-1,1),(351,65534);
select distinct 1 from t1 group by a,b with rollup limit 1;
drop table t1;

#
# MDEV-12575: Server crash in AGGR_OP::put_record or in JOIN_CACHE::free
# or Invalid write in JOIN::make_aggr_tables_info
#

CREATE TABLE t1 ( pk int, i1 int, v1 varchar(1));
explain
SELECT 1 FROM t1
GROUP BY REPEAT((BINARY pk), v1), AES_DECRYPT((@A := i1), 20852) WITH ROLLUP HAVING LOAD_FILE('a') ;
SELECT 1 FROM t1
GROUP BY REPEAT((BINARY pk), v1), AES_DECRYPT((@A := i1), 20852) WITH ROLLUP HAVING LOAD_FILE('a') ;
drop table t1;

--echo #
--echo # MDEV-22019: Sig 11 in next_breadth_first_tab | max_sort_length setting + double
--echo # GROUP BY leads to crash
--echo #

CALL mtr.add_suppression("Out of sort memory");
CALL mtr.add_suppression("Sort aborted");
SET @save_max_sort_length= @@max_sort_length;
SET max_sort_length=2000000;
--error ER_OUT_OF_SORTMEMORY
SELECT * FROM information_schema.tables t JOIN information_schema.columns c
ON t.table_schema=c.table_schema
WHERE c.table_schema=(SELECT COUNT(*) FROM INFORMATION_SCHEMA.columns GROUP BY column_type)
GROUP BY t.table_name;
SET max_sort_length= @save_max_sort_length;

--echo #
--echo # MDEV-23826: ORDER BY in view definition leads to wrong result with GROUP BY on query using view
--echo #

CREATE TABLE t1
(
  id INT PRIMARY KEY AUTO_INCREMENT,
  dt datetime,
  INDEX(dt),
  foo int
);

INSERT INTO t1 VALUES (1,'2020-09-26 12:00:00',1);
INSERT INTO t1 VALUES (2,'2020-09-26 13:00:00',1);
INSERT INTO t1 VALUES (3,'2020-09-27 13:00:00',1);
INSERT INTO t1 VALUES (4,'2020-09-27 12:00:00',1);
INSERT INTO t1 VALUES (5,'2020-09-28 12:00:00',1);
INSERT INTO t1 VALUES (6,'2020-09-28 13:00:00',1);
INSERT INTO t1 VALUES (7,'2020-09-25 12:00:00',1);
INSERT INTO t1 VALUES (8,'2020-09-25 13:00:00',1);
INSERT INTO t1 VALUES (9,'2020-09-26 13:00:00',1);

CREATE VIEW v1 AS SELECT * FROM t1;
CREATE VIEW v2 AS SELECT * FROM t1 ORDER BY dt;
SELECT dt, sum(foo) AS foo FROM v1 WHERE dt>DATE_SUB('2020-09-27 00:00:00', INTERVAL 3 DAY) GROUP BY dt;
SELECT dt, sum(foo) AS foo FROM v2 WHERE dt>DATE_SUB('2020-09-27 00:00:00', INTERVAL 3 DAY) GROUP BY dt;

DROP TABLE t1;
DROP VIEW v1,v2;

--echo #
--echo # End of 10.2 tests
--echo #

--echo #
--echo # MDEV-16170
--echo # Server crashes in Item_null_result::type_handler on SELECT with ROLLUP
--echo #

CREATE TABLE t1 (d DATE);
INSERT INTO t1 VALUES ('2032-10-08');
SELECT d != '2023-03-04' AS f, COUNT(*) FROM t1 GROUP BY d WITH ROLLUP;
DROP TABLE t1;

--echo #
--echo # MDEV-24710 Uninitialized value upon CREATE .. SELECT ... VALUE
--echo #

CREATE TABLE t1 (a VARCHAR(8) NOT NULL DEFAULT '');
INSERT INTO t1 (a) VALUES ('foo');
CREATE TABLE t2 AS SELECT MAX(a) AS f1, a AS f2 FROM t1 WHERE VALUE(a) IS NOT NULL;
SELECT * from t2;
SELECT MAX(a) AS f1, a AS f2 FROM t1 WHERE VALUE(a) IS NOT NULL;
SELECT MAX(a) AS f1, a AS f2 FROM t1 WHERE 1=0;
drop table t1,t2;

--echo # Extra test by to check the fix for MDEV-24710

create table t20 (pk int primary key, a int);
insert into t20 values (1,1);create table t21 (pk int primary key, b int not null);
insert into t21 values (1,1);
create table t22 (a int);
insert into t22 values (1),(2);
select a, (select max(t21.b) from t20 left join t21 on t21.pk=t20.a+10
           where t20.pk=1 and rand(123) < 0.5) as SUBQ from t22;
drop table t20, t21, t22;

--echo #
--echo # End of 10.3 tests
--echo #