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+# 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);
+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
+SET BIG_TABLES=1;
+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;
+SET BIG_TABLES=0;
+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 big_tables=1;
+select a,count(*) from t1 group by a;
+drop table t1;
+set big_tables=0;
+
+#
+# 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(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 BIG_TABLES=1;
+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 BIG_TABLES=0;
+
+--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');
+
+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-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-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;
+
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