~drizzle-trunk/drizzle/development

# 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,
  userID int,
  score int,
  lsg char(40),
  date date
);

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

CREATE TABLE t2 (
  userID int 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 NOT NULL auto_increment,
  payDate date,
  recDate datetime,
  URID int DEFAULT '0' NOT NULL,
  CRID int DEFAULT '0' NOT NULL,
  amount int DEFAULT '0' NOT NULL,
  operator int,
  method enum('unknown','cash','dealer','check','card','lazy','delayed','test') DEFAULT 'unknown' NOT NULL,
  DIID int,
  reason char(1) binary DEFAULT '' NOT NULL,
  code_id int,
  qty int 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
#  NOTE: LOCK TABLE was removed, so now just testing normal syntax.
#

CREATE TABLE t1 (
  cid int 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 int NOT NULL auto_increment,
  contact_id int DEFAULT '0' NOT NULL,
  PRIMARY KEY (call_id),
  KEY contact_id (contact_id)
);

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 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;
drop table t1;

# Test needs to be rewritten
##
## Test of group by bug in bugzilla
##
#
#CREATE TABLE t1 (
#  bug_id int NOT NULL auto_increment,
#  groupset bigint DEFAULT '0' NOT NULL,
#  assigned_to int 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 int 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 int DEFAULT '0' NOT NULL,
#  status_whiteboard mediumtext NOT NULL,
#  votes int 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)
#);
#
#--error 1265
#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 text,
#  program varchar(64),
#  initialowner text NOT NULL,
#  initialqacontact text NOT NULL,
#  description text 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,
  userID int,
  score int,
  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);
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;
# Do the same tests with MyISAM temporary tables
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;
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, Two int, Three int, Four int);
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);
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;
drop table t1;

#
# Problem with MAX and LEFT JOIN
#

CREATE TABLE t1 (
  pid int NOT NULL default '0',
  c1id int default NULL,
  c2id int default NULL,
  value int 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 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 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;
select a,count(*) from t1 group by a;
drop table t1;

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

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;
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;

#
# 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,
  score int,
  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 default NULL,
  j int 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,sum(b) from t1 where a=1 group by c;
select a*sum(b) from t1 where a=1 group by c;
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)
);

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 columns in GROUP functions"
# (the actual problem was with protocol code, not GROUP BY)
create table t1 (b int4 not null);
insert into t1 values(300000);
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`;

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

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 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#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);

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;
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);
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;
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);
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;
#
# Bug#27874: Non-grouped columns are allowed by * in ONLY_FULL_GROUP_BY mode.
#
create table t1(f1 int, f2 int);
select * from t1 group by f1;
select * from t1 group by f2;
select * from t1 group by f1, f2;
select t1.f1,t.* from t1, t1 t group by 1;
drop table t1;

#
# 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 #
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;
SELECT 1 FROM t1 ORDER BY COUNT(*) + a;
SELECT 1 FROM t1 ORDER BY COUNT(*), 1;
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;
SELECT 1 FROM t1 ORDER BY SUM(a), b;

SELECT a FROM t1 ORDER BY COUNT(b);

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

SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a) FROM t2 ORDER BY t2.a);
SELECT t1.a FROM t1 ORDER BY (SELECT t2.a FROM t2 ORDER BY SUM(t2.b) LIMIT 1);

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

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);

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

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;

DROP TABLE t1, t2;

--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);
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a;
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
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);

EXPLAIN SELECT 1 FROM t1 WHERE a IN
  (SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));

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;

EXPLAIN SELECT 1 FROM t2 WHERE a IN
  (SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));

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;

#
# 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;

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;

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;