--source include/long_test.inc

#
# test of left outer join
#

--disable_warnings
drop table if exists t0,t1,t2,t3,t4,t5;
drop view if exists v0,v1,v2,v3;
--enable_warnings

SET @org_optimizer_switch=@@optimizer_switch;
SET optimizer_switch=ifnull(@optimizer_switch_for_join_outer_test,'outer_join_with_cache=off');
if (`select @join_cache_level_for_join_outer_test is null`)
{
  set join_cache_level=1;
}
if (`select @join_cache_level_for_join_outer_test is not null`)
{
  set join_cache_level=@join_cache_level_for_join_outer_test;
}

CREATE TABLE t1 (
  grp int(11) default NULL,
  a bigint(20) unsigned default NULL,
  c char(10) NOT NULL default ''
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,1,'a'),(2,2,'b'),(2,3,'c'),(3,4,'E'),(3,5,'C'),(3,6,'D'),(NULL,NULL,'');
create table t2 (id int, a bigint unsigned not null, c char(10), d int, primary key (a));
insert into t2 values (1,1,"a",1),(3,4,"A",4),(3,5,"B",5),(3,6,"C",6),(4,7,"D",7);

select t1.*,t2.* from t1 JOIN t2 where t1.a=t2.a;
select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) order by t1.grp,t1.a,t2.c;
select t1.*,t2.* from { oj t2 left outer join t1 on (t1.a=t2.a) };
select t1.*,t2.* from t1 as t0,{ oj t2 left outer join t1 on (t1.a=t2.a) } WHERE t0.a=2;
--sorted_result
select t1.*,t2.* from t1 left join t2 using (a);
select t1.*,t2.* from t1 left join t2 using (a) where t1.a=t2.a;
select t1.*,t2.* from t1 left join t2 using (a,c);
--sorted_result
select t1.*,t2.* from t1 left join t2 using (c);
select t1.*,t2.* from t1 natural left outer join t2;

select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id=3;
select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id is null;

explain select t1.*,t2.* from t1,t2 where t1.a=t2.a and isnull(t2.a)=1;
explain select t1.*,t2.* from t1 left join t2 on t1.a=t2.a where isnull(t2.a)=1;

--sorted_result
select t1.*,t2.*,t3.a from t1 left join t2 on (t1.a=t2.a) left join t1 as t3 on (t2.a=t3.a);

# The next query should rearange the left joins to get this to work
--error 1054
explain select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t1.a=t3.a);
--error 1054
select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t1.a=t3.a);

# The next query should give an error in MySQL
--error 1054
select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t2.a=t3.a);

# Test of inner join
select t1.*,t2.* from t1 inner join t2 using (a);
select t1.*,t2.* from t1 inner join t2 on (t1.a=t2.a);
select t1.*,t2.* from t1 natural join t2;

drop table t1,t2;

#
# Test of left join bug
#

CREATE TABLE t1 (
 usr_id INT unsigned NOT NULL,
 uniq_id INT unsigned NOT NULL AUTO_INCREMENT,
        start_num INT unsigned NOT NULL DEFAULT 1,
        increment INT unsigned NOT NULL DEFAULT 1,
 PRIMARY KEY (uniq_id),
 INDEX usr_uniq_idx (usr_id, uniq_id),
 INDEX uniq_usr_idx (uniq_id, usr_id)
);
CREATE TABLE t2 (
 id INT unsigned NOT NULL DEFAULT 0,
 usr2_id INT unsigned NOT NULL DEFAULT 0,
 max INT unsigned NOT NULL DEFAULT 0,
 c_amount INT unsigned NOT NULL DEFAULT 0,
 d_max INT unsigned NOT NULL DEFAULT 0,
 d_num INT unsigned NOT NULL DEFAULT 0,
 orig_time INT unsigned NOT NULL DEFAULT 0,
 c_time INT unsigned NOT NULL DEFAULT 0,
 active ENUM ("no","yes") NOT NULL,
 PRIMARY KEY (id,usr2_id),
 INDEX id_idx (id),
 INDEX usr2_idx (usr2_id)
);
INSERT INTO t1 VALUES (3,NULL,0,50),(3,NULL,0,200),(3,NULL,0,25),(3,NULL,0,84676),(3,NULL,0,235),(3,NULL,0,10),(3,NULL,0,3098),(3,NULL,0,2947),(3,NULL,0,8987),(3,NULL,0,8347654),(3,NULL,0,20398),(3,NULL,0,8976),(3,NULL,0,500),(3,NULL,0,198);

#1st select shows that one record is returned with null entries for the right
#table, when selecting on an id that does not exist in the right table t2
SELECT t1.usr_id,t1.uniq_id,t1.increment,
t2.usr2_id,t2.c_amount,t2.max
FROM t1
LEFT JOIN t2 ON t2.id = t1.uniq_id
WHERE t1.uniq_id = 4
ORDER BY t2.c_amount;

# The same with RIGHT JOIN
SELECT t1.usr_id,t1.uniq_id,t1.increment,
t2.usr2_id,t2.c_amount,t2.max
FROM t2
RIGHT JOIN t1 ON t2.id = t1.uniq_id
WHERE t1.uniq_id = 4
ORDER BY t2.c_amount;

INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes');
--error ER_DUP_ENTRY
INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes');
INSERT INTO t2 VALUES (7,3,1000,2000,0,0,746294,937484,'yes');

#3rd select should show that one record is returned with null entries for the
# right table, when selecting on an id that does not exist in the right table
# t2 but this select returns an empty set!!!!
SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4 ORDER BY t2.c_amount;
SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4 GROUP BY t2.c_amount;
# Removing the ORDER BY works:
SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4;

drop table t1,t2;

#
# Test of LEFT JOIN with const tables (failed for frankie@etsetb.upc.es)
#

CREATE TABLE t1 (
  cod_asig int(11) DEFAULT '0' NOT NULL,
  desc_larga_cat varchar(80) DEFAULT '' NOT NULL,
  desc_larga_cas varchar(80) DEFAULT '' NOT NULL,
  desc_corta_cat varchar(40) DEFAULT '' NOT NULL,
  desc_corta_cas varchar(40) DEFAULT '' NOT NULL,
  cred_total double(3,1) DEFAULT '0.0' NOT NULL,
  pre_requisit int(11),
  co_requisit int(11),
  preco_requisit int(11),
  PRIMARY KEY (cod_asig)
);

INSERT INTO t1 VALUES (10360,'asdfggfg','Introduccion a los  Ordenadores I','asdfggfg','Introduccio Ordinadors I',6.0,NULL,NULL,NULL);
INSERT INTO t1 VALUES (10361,'Components i Circuits Electronics I','Componentes y Circuitos Electronicos I','Components i Circuits Electronics I','Comp. i Circ. Electr. I',6.0,NULL,NULL,NULL);
INSERT INTO t1 VALUES (10362,'Laboratori d`Ordinadors','Laboratorio de Ordenadores','Laboratori d`Ordinadors','Laboratori Ordinadors',4.5,NULL,NULL,NULL);
INSERT INTO t1 VALUES (10363,'Tecniques de Comunicacio Oral i Escrita','Tecnicas de Comunicacion Oral y Escrita','Tecniques de Comunicacio Oral i Escrita','Tec. Com. Oral i Escrita',4.5,NULL,NULL,NULL);
INSERT INTO t1 VALUES (11403,'Projecte Fi de Carrera','Proyecto Fin de Carrera','Projecte Fi de Carrera','PFC',9.0,NULL,NULL,NULL);
INSERT INTO t1 VALUES (11404,'+lgebra lineal','Algebra lineal','+lgebra lineal','+lgebra lineal',15.0,NULL,NULL,NULL);
INSERT INTO t1 VALUES (11405,'+lgebra lineal','Algebra lineal','+lgebra lineal','+lgebra lineal',18.0,NULL,NULL,NULL);
INSERT INTO t1 VALUES (11406,'Calcul Infinitesimal','Cßlculo Infinitesimal','Calcul Infinitesimal','Calcul Infinitesimal',15.0,NULL,NULL,NULL);

CREATE TABLE t2 (
  idAssignatura int(11) DEFAULT '0' NOT NULL,
  Grup int(11) DEFAULT '0' NOT NULL,
  Places smallint(6) DEFAULT '0' NOT NULL,
  PlacesOcupades int(11) DEFAULT '0',
  PRIMARY KEY (idAssignatura,Grup)
);


INSERT INTO t2 VALUES (10360,12,333,0);
INSERT INTO t2 VALUES (10361,30,2,0);
INSERT INTO t2 VALUES (10361,40,3,0);
INSERT INTO t2 VALUES (10360,45,10,0);
INSERT INTO t2 VALUES (10362,10,12,0);
INSERT INTO t2 VALUES (10360,55,2,0);
INSERT INTO t2 VALUES (10360,70,0,0);
INSERT INTO t2 VALUES (10360,565656,0,0);
INSERT INTO t2 VALUES (10360,32767,7,0);
INSERT INTO t2 VALUES (10360,33,8,0);
INSERT INTO t2 VALUES (10360,7887,85,0);
INSERT INTO t2 VALUES (11405,88,8,0);
INSERT INTO t2 VALUES (10360,0,55,0);
INSERT INTO t2 VALUES (10360,99,0,0);
INSERT INTO t2 VALUES (11411,30,10,0);
INSERT INTO t2 VALUES (11404,0,0,0);
INSERT INTO t2 VALUES (10362,11,111,0);
INSERT INTO t2 VALUES (10363,33,333,0);
INSERT INTO t2 VALUES (11412,55,0,0);
INSERT INTO t2 VALUES (50003,66,6,0);
INSERT INTO t2 VALUES (11403,5,0,0);
INSERT INTO t2 VALUES (11406,11,11,0);
INSERT INTO t2 VALUES (11410,11410,131,0);
INSERT INTO t2 VALUES (11416,11416,32767,0);
INSERT INTO t2 VALUES (11409,0,0,0);

CREATE TABLE t3 (
  id int(11) NOT NULL auto_increment,
  dni_pasaporte char(16) DEFAULT '' NOT NULL,
  idPla int(11) DEFAULT '0' NOT NULL,
  cod_asig int(11) DEFAULT '0' NOT NULL,
  any smallint(6) DEFAULT '0' NOT NULL,
  quatrimestre smallint(6) DEFAULT '0' NOT NULL,
  estat char(1) DEFAULT 'M' NOT NULL,
  PRIMARY KEY (id),
  UNIQUE dni_pasaporte (dni_pasaporte,idPla),
  UNIQUE dni_pasaporte_2 (dni_pasaporte,idPla,cod_asig,any,quatrimestre)
);

INSERT INTO t3 VALUES (1,'11111111',1,10362,98,1,'M');

CREATE TABLE t4 (
  id int(11) NOT NULL auto_increment,
  papa int(11) DEFAULT '0' NOT NULL,
  fill int(11) DEFAULT '0' NOT NULL,
  idPla int(11) DEFAULT '0' NOT NULL,
  PRIMARY KEY (id),
  KEY papa (idPla,papa),
  UNIQUE papa_2 (idPla,papa,fill)
);

INSERT INTO t4 VALUES (1,-1,10360,1);
INSERT INTO t4 VALUES (2,-1,10361,1);
INSERT INTO t4 VALUES (3,-1,10362,1);

--sorted_result
SELECT DISTINCT fill,desc_larga_cat,cred_total,Grup,Places,PlacesOcupades FROM t4 LEFT JOIN t3 ON t3.cod_asig=fill AND estat='S'   AND dni_pasaporte='11111111'   AND t3.idPla=1 , t2,t1 WHERE fill=t1.cod_asig   AND Places>PlacesOcupades   AND fill=idAssignatura   AND t4.idPla=1   AND papa=-1;

SELECT DISTINCT fill,t3.idPla FROM t4 LEFT JOIN t3 ON t3.cod_asig=t4.fill AND t3.estat='S' AND t3.dni_pasaporte='1234' AND t3.idPla=1 ;

INSERT INTO t3 VALUES (3,'1234',1,10360,98,1,'S');
SELECT DISTINCT fill,t3.idPla FROM t4 LEFT JOIN t3 ON t3.cod_asig=t4.fill AND t3.estat='S' AND t3.dni_pasaporte='1234' AND t3.idPla=1 ;

drop table t1,t2,t3,test.t4;

#
# Test of IS NULL on AUTO_INCREMENT with LEFT JOIN
#

CREATE TABLE t1 (
  id smallint(5) unsigned NOT NULL auto_increment,
  name char(60) DEFAULT '' NOT NULL,
  PRIMARY KEY (id)
);
INSERT INTO t1 VALUES (1,'Antonio Paz');
INSERT INTO t1 VALUES (2,'Lilliana Angelovska');
INSERT INTO t1 VALUES (3,'Thimble Smith');

CREATE TABLE t2 (
  id smallint(5) unsigned NOT NULL auto_increment,
  owner smallint(5) unsigned DEFAULT '0' NOT NULL,
  name char(60),
  PRIMARY KEY (id)
);
INSERT INTO t2 VALUES (1,1,'El Gato');
INSERT INTO t2 VALUES (2,1,'Perrito');
INSERT INTO t2 VALUES (3,3,'Happy');

--sorted_result
select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner);
select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null;
explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null;
explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.name is null;
select count(*) from t1 left join t2 on (t1.id = t2.owner);

--sorted_result
select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner);
select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null;
explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null;
explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.name is null;
select count(*) from t2 right join t1 on (t1.id = t2.owner);

--sorted_result
select t1.name, t2.name, t2.id,t3.id from t2 right join t1 on (t1.id = t2.owner) left join t1 as t3 on t3.id=t2.owner;
--sorted_result
select t1.name, t2.name, t2.id,t3.id from t1 right join t2 on (t1.id = t2.owner) right join t1 as t3 on t3.id=t2.owner;
--sorted_result
select t1.name, t2.name, t2.id, t2.owner, t3.id from t1 left join t2 on (t1.id = t2.owner) right join t1 as t3 on t3.id=t2.owner;

drop table t1,t2;

create table t1 (id int not null, str char(10), index(str));
insert into t1 values (1, null), (2, null), (3, "foo"), (4, "bar");
select * from t1 where str is not null order by id;
select * from t1 where str is null;
drop table t1;

#
# Test wrong LEFT JOIN query
#

CREATE TABLE t1 (
  t1_id bigint(21) NOT NULL auto_increment,
  PRIMARY KEY (t1_id)
);
CREATE TABLE t2 (
  t2_id bigint(21) NOT NULL auto_increment,
  PRIMARY KEY (t2_id)
);
CREATE TABLE t3 (
  t3_id bigint(21) NOT NULL auto_increment,
  PRIMARY KEY (t3_id)
);
CREATE TABLE t4 (
  seq_0_id bigint(21) DEFAULT '0' NOT NULL,
  seq_1_id bigint(21) DEFAULT '0' NOT NULL,
  KEY seq_0_id (seq_0_id),
  KEY seq_1_id (seq_1_id)
);
CREATE TABLE t5 (
  seq_0_id bigint(21) DEFAULT '0' NOT NULL,
  seq_1_id bigint(21) DEFAULT '0' NOT NULL,
  KEY seq_1_id (seq_1_id),
  KEY seq_0_id (seq_0_id)
);

insert into t1 values (1);
insert into t2 values (1);
insert into t3 values (1);
insert into t4 values (1,1);
insert into t5 values (1,1);

--error 1054
explain select * from t3 left join t4 on t4.seq_1_id = t2.t2_id left join t1 on t1.t1_id = t4.seq_0_id left join t5 on t5.seq_0_id = t1.t1_id left join t2 on t2.t2_id = t5.seq_1_id where t3.t3_id = 23;

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

#
# Another LEFT JOIN problem
# (The problem was that the result changed when we added ORDER BY)
#

create table t1 (n int, m int, o int, key(n));
create table t2 (n int not null, m int, o int, primary key(n));
insert into t1 values (1, 2, 11), (1, 2, 7), (2, 2, 8), (1,2,9),(1,3,9);
insert into t2 values (1, 2, 3),(2, 2, 8), (4,3,9),(3,2,10);
select t1.*, t2.* from t1 left join t2 on t1.n = t2.n and
t1.m = t2.m where t1.n = 1;
--sorted_result
select t1.*, t2.* from t1 left join t2 on t1.n = t2.n and
t1.m = t2.m where t1.n = 1 order by t1.o;
drop table t1,t2;

# Test bug with NATURAL join:

CREATE TABLE t1 (id1 INT NOT NULL PRIMARY KEY, dat1 CHAR(1), id2 INT);   
INSERT INTO t1 VALUES (1,'a',1);
INSERT INTO t1 VALUES (2,'b',1);
INSERT INTO t1 VALUES (3,'c',2);

CREATE TABLE t2 (id2 INT NOT NULL PRIMARY KEY, dat2 CHAR(1));   
INSERT INTO t2 VALUES (1,'x');
INSERT INTO t2 VALUES (2,'y');
INSERT INTO t2 VALUES (3,'z');

SELECT t2.id2 FROM t2 LEFT OUTER JOIN t1 ON t1.id2 = t2.id2 WHERE id1 IS NULL;
SELECT t2.id2 FROM t2 NATURAL LEFT OUTER JOIN t1 WHERE id1 IS NULL;

drop table t1,t2;

create table t1 ( color varchar(20), name varchar(20) );
insert into t1 values ( 'red', 'apple' );
insert into t1 values ( 'yellow', 'banana' );
insert into t1 values ( 'green', 'lime' );
insert into t1 values ( 'black', 'grape' );
insert into t1 values ( 'blue', 'blueberry' );
create table t2 ( count int, color varchar(20) );
insert into t2 values (10, 'green');
insert into t2 values (5, 'black');
insert into t2 values (15, 'white');
insert into t2 values (7, 'green');
select * from t1;
select * from t2;
select * from t2 natural join t1;
select t2.count, t1.name from t2 natural join t1;
select t2.count, t1.name from t2 inner join t1 using (color);
drop table t1;
drop table t2;

#
# Test of LEFT JOIN + GROUP FUNCTIONS within functions:
#

CREATE TABLE t1 (
  pcode varchar(8) DEFAULT '' NOT NULL
);
INSERT INTO t1 VALUES ('kvw2000'),('kvw2001'),('kvw3000'),('kvw3001'),('kvw3002'),('kvw3500'),('kvw3501'),('kvw3502'),('kvw3800'),('kvw3801'),('kvw3802'),('kvw3900'),('kvw3901'),('kvw3902'),('kvw4000'),('kvw4001'),('kvw4002'),('kvw4200'),('kvw4500'),('kvw5000'),('kvw5001'),('kvw5500'),('kvw5510'),('kvw5600'),('kvw5601'),('kvw6000'),('klw1000'),('klw1020'),('klw1500'),('klw2000'),('klw2001'),('klw2002'),('kld2000'),('klw2500'),('kmw1000'),('kmw1500'),('kmw2000'),('kmw2001'),('kmw2100'),('kmw3000'),('kmw3200');
CREATE TABLE t2 (
  pcode varchar(8) DEFAULT '' NOT NULL,
  KEY pcode (pcode)
);
INSERT INTO t2 VALUES ('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw6000'),('kvw6000'),('kld2000');

SELECT t1.pcode, IF(ISNULL(t2.pcode), 0, COUNT(*)) AS count FROM t1
LEFT JOIN t2 ON t1.pcode = t2.pcode GROUP BY t1.pcode;
SELECT SQL_BIG_RESULT t1.pcode, IF(ISNULL(t2.pcode), 0, COUNT(*)) AS count FROM t1 LEFT JOIN t2 ON t1.pcode = t2.pcode GROUP BY t1.pcode;
drop table t1,t2;

#
# Another left join problem
#

CREATE TABLE t1 (
  id int(11),
  pid int(11),
  rep_del tinyint(4),
  KEY id (id),
  KEY pid (pid)
);
INSERT INTO t1 VALUES (1,NULL,NULL);
INSERT INTO t1 VALUES (2,1,NULL);
select * from t1 LEFT JOIN t1 t2 ON (t1.id=t2.pid) AND t2.rep_del IS NULL;
create index rep_del ON t1(rep_del);
select * from t1 LEFT JOIN t1 t2 ON (t1.id=t2.pid) AND t2.rep_del IS NULL;
drop table t1;

CREATE TABLE t1 (
  id int(11) DEFAULT '0' NOT NULL,
  name tinytext DEFAULT '' NOT NULL,
  UNIQUE id (id)
);
INSERT INTO t1 VALUES (1,'yes'),(2,'no');
CREATE TABLE t2 (
  id int(11) DEFAULT '0' NOT NULL,
  idx int(11) DEFAULT '0' NOT NULL,
  UNIQUE id (id,idx)
);
INSERT INTO t2 VALUES (1,1);
explain SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL;
SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL;
drop table t1,t2;

#
# Test problem with using key_column= constant in ON and WHERE
#
create table t1 (bug_id mediumint, reporter mediumint);
create table t2 (bug_id mediumint, who mediumint, index(who));
insert into t2 values (1,1),(1,2);
insert into t1 values (1,1),(2,1);
SELECT * FROM t1 LEFT JOIN t2 ON (t1.bug_id =  t2.bug_id AND  t2.who = 2) WHERE  (t1.reporter = 2 OR t2.who = 2);
drop table t1,t2;

#
# Test problem with LEFT JOIN

create table t1 (fooID smallint unsigned auto_increment, primary key (fooID));
create table t2 (fooID smallint unsigned not null, barID smallint unsigned not null, primary key (fooID,barID));
insert into t1 (fooID) values (10),(20),(30);
insert into t2 values (10,1),(20,2),(30,3);
explain select * from t2 left join t1 on t1.fooID = t2.fooID and t1.fooID = 30;
select * from t2 left join t1 on t1.fooID = t2.fooID and t1.fooID = 30;
--sorted_result
select * from t2 left join t1 ignore index(primary) on t1.fooID = t2.fooID and t1.fooID = 30;
drop table t1,t2;

create table t1 (i int);
create table t2 (i int);
create table t3 (i int);
insert into t1 values(1),(2);
insert into t2 values(2),(3);
insert into t3 values(2),(4);
--sorted_result
select * from t1 natural left join t2 natural left join t3;
select * from t1 natural left join t2 where (t2.i is not null)=0;
--sorted_result
select * from t1 natural left join t2 where (t2.i is not null) is not null;
select * from t1 natural left join t2 where (i is not null)=0;
--sorted_result
select * from t1 natural left join t2 where (i is not null) is not null;
drop table t1,t2,t3;

#
# Test of USING
#
create table t1 (f1 integer,f2 integer,f3 integer);
create table t2 (f2 integer,f4 integer);
create table t3 (f3 integer,f5 integer);
select * from t1
         left outer join t2 using (f2)
         left outer join t3 using (f3);
drop table t1,t2,t3;

create table t1 (a1 int, a2 int);
create table t2 (b1 int not null, b2 int);
create table t3 (c1 int, c2 int);

insert into t1 values (1,2), (2,2), (3,2);
insert into t2 values (1,3), (2,3);
insert into t3 values (2,4),        (3,4);

select * from t1 left join t2  on  b1 = a1 left join t3  on  c1 = a1  and  b1 is null;
explain select * from t1 left join t2  on  b1 = a1 left join t3  on  c1 = a1  and  b1 is null;

drop table t1, t2, t3;

# Test for BUG#8711 '<=>' was considered to be a NULL-rejecting predicate.
create table t1 (
  a int(11),
  b char(10),
  key (a)
);
insert into t1 (a) values (1),(2),(3),(4);
create table t2 (a int);

select * from t1 left join t2 on t1.a=t2.a where not (t2.a <=> t1.a);
select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a);
drop table t1,t2;

# Test for BUG#5088

create table t1 (
  match_id tinyint(3) unsigned not null auto_increment,
  home tinyint(3) unsigned default '0',
  unique key match_id (match_id),
  key match_id_2 (match_id)
);

insert into t1 values("1", "2");

create table t2 (
  player_id tinyint(3) unsigned default '0',
  match_1_h tinyint(3) unsigned default '0',
  key player_id (player_id)
);

insert into t2 values("1", "5");
insert into t2 values("2", "9");
insert into t2 values("3", "3");
insert into t2 values("4", "7");
insert into t2 values("5", "6");
insert into t2 values("6", "8");
insert into t2 values("7", "4");
insert into t2 values("8", "12");
insert into t2 values("9", "11");
insert into t2 values("10", "10");

explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from 
  (t2 s left join t1 m on m.match_id = 1) 
  order by m.match_id desc;
  
explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from 
  (t2 s left join t1 m on m.match_id = 1) 
  order by UUX desc;

select s.*, '*', m.*, (s.match_1_h - m.home) UUX from 
  (t2 s left join t1 m on m.match_id = 1) 
  order by UUX desc;

explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from 
  t2 s straight_join t1 m where m.match_id = 1 
  order by UUX desc;

select s.*, '*', m.*, (s.match_1_h - m.home) UUX from 
  t2 s straight_join t1 m where m.match_id = 1 
  order by UUX desc;

drop table t1, t2;

# Tests for bugs #6307 and 6460

create table t1 (a int, b int, unique index idx (a, b));
create table t2 (a int, b int, c int, unique index idx (a, b));

insert into t1 values (1, 10), (1,11), (2,10), (2,11);
insert into t2 values (1,10,3);

select t1.a, t1.b, t2.c from t1 left join t2
                                on t1.a=t2.a and t1.b=t2.b and t2.c=3
   where t1.a=1 and t2.c is null;

drop table t1, t2;

CREATE TABLE t1 (
  ts_id bigint(20) default NULL,
  inst_id tinyint(4) default NULL,
  flag_name varchar(64) default NULL,
  flag_value text,
  UNIQUE KEY ts_id (ts_id,inst_id,flag_name)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

CREATE TABLE t2 (
  ts_id bigint(20) default NULL,
  inst_id tinyint(4) default NULL,
  flag_name varchar(64) default NULL,
  flag_value text,
  UNIQUE KEY ts_id (ts_id,inst_id,flag_name)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

INSERT INTO t1 VALUES
  (111056548820001, 0, 'flag1', NULL),
  (111056548820001, 0, 'flag2', NULL),
  (2, 0, 'other_flag', NULL);

INSERT INTO t2 VALUES
  (111056548820001, 3, 'flag1', 'sss');

SELECT t1.flag_name,t2.flag_value 
  FROM t1 LEFT JOIN t2 
          ON (t1.ts_id = t2.ts_id AND t1.flag_name = t2.flag_name AND
              t2.inst_id = 3) 
  WHERE t1.inst_id = 0 AND t1.ts_id=111056548820001 AND
        t2.flag_value IS  NULL;

DROP TABLE t1,t2;

CREATE TABLE t1 (
  id int(11) unsigned NOT NULL auto_increment,
  text_id int(10) unsigned default NULL,
  PRIMARY KEY  (id)
);

INSERT INTO t1 VALUES("1", "0");
INSERT INTO t1 VALUES("2", "10");

CREATE TABLE t2 (
  text_id char(3) NOT NULL default '',
  language_id char(3) NOT NULL default '',
  text_data text,
  PRIMARY KEY  (text_id,language_id)
);

INSERT INTO t2 VALUES("0", "EN", "0-EN");
INSERT INTO t2 VALUES("0", "SV", "0-SV");
INSERT INTO t2 VALUES("10", "EN", "10-EN");
INSERT INTO t2 VALUES("10", "SV", "10-SV");
SELECT t1.id, t1.text_id, t2.text_data
  FROM t1 LEFT JOIN t2
               ON t1.text_id = t2.text_id
                  AND t2.language_id = 'SV'
  WHERE (t1.id LIKE '%' OR t2.text_data LIKE '%');

DROP TABLE t1, t2;

# Test for bug #5896  

CREATE TABLE t0 (a0 int PRIMARY KEY);
CREATE TABLE t1 (a1 int PRIMARY KEY);
CREATE TABLE t2 (a2 int);
CREATE TABLE t3 (a3 int);
INSERT INTO t0 VALUES (1);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1), (2);
INSERT INTO t3 VALUES (1), (2);

SELECT * FROM t1 LEFT JOIN t2 ON a1=0;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON a1=0;
SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0;
EXPLAIN SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0;
SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1;
EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1;

INSERT INTO t0 VALUES (0);
INSERT INTO t1 VALUES (0);
SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=5 WHERE a0=a1 AND a0=1;
EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=5 WHERE a0=a1 AND a0=1;

# Test for BUG#4480
drop table t1,t2;
create table t1 (a int, b int);
insert into t1 values (1,1),(2,2),(3,3);
create table t2 (a int, b int);
insert into t2 values (1,1), (2,2);

select * from t2 right join t1 on t2.a=t1.a;
select straight_join * from t2 right join t1 on t2.a=t1.a;

DROP TABLE t0,t1,t2,t3;

#
# Test for bug #9017: left join mistakingly converted to inner join
#

CREATE TABLE t1 (a int PRIMARY KEY, b int);
CREATE TABLE t2 (a int PRIMARY KEY, b int);

INSERT INTO t1 VALUES (1,1), (2,1), (3,1), (4,2);
INSERT INTO t2 VALUES (1,2), (2,2);

SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE t1.b=1;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a
  WHERE t1.b=1 XOR (NOT ISNULL(t2.a) AND t2.b=1);
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE not(0+(t1.a=30 and t2.b=1));

DROP TABLE t1,t2;

# Bug #8681: Bad warning message when group_concat() exceeds max length
set group_concat_max_len=5;
create table t1 (a int, b varchar(20));
create table t2 (a int, c varchar(20));
insert into t1 values (1,"aaaaaaaaaa"),(2,"bbbbbbbbbb");
insert into t2 values (1,"cccccccccc"),(2,"dddddddddd");
#Enable after fix MDEV-31276
--disable_ps2_protocol
select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by t1.a;
--enable_ps2_protocol
select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a;
#Enable after fix MDEV-31276
--disable_ps2_protocol
select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by a;
--enable_ps2_protocol
select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by a;
drop table t1, t2;
set group_concat_max_len=default;

# End of 4.1 tests

#
# BUG#10162 - ON is merged with WHERE, left join is convered to a regular join
#
create table t1 (gid smallint(5) unsigned not null, x int(11) not null, y int(11) not null, art int(11) not null, primary key  (gid,x,y));
insert t1 values (1, -5, -8, 2), (1, 2, 2, 1), (1, 1, 1, 1);
create table t2 (gid smallint(5) unsigned not null, x int(11) not null, y int(11) not null, id int(11) not null, primary key  (gid,id,x,y), key id (id));
insert t2 values (1, -5, -8, 1), (1, 1, 1, 1), (1, 2, 2, 1);
create table t3 ( set_id smallint(5) unsigned not null, id tinyint(4) unsigned not null, name char(12) not null, primary key  (id,set_id));
insert t3 values (0, 1, 'a'), (1, 1, 'b'), (0, 2, 'c'), (1, 2, 'd'), (1, 3, 'e'), (1, 4, 'f'), (1, 5, 'g'), (1, 6, 'h');
explain select name from t1 left join t2 on t1.x = t2.x and t1.y = t2.y
left join t3 on t1.art = t3.id where t2.id =1 and t2.x = -5 and t2.y =-8
and t1.gid =1 and t2.gid =1 and t3.set_id =1;
drop tables t1,t2,t3;

#
# Test for bug #9938: invalid conversion from outer join to inner join 
# for queries containing indirect reference in WHERE clause
#

CREATE TABLE t1 (EMPNUM INT, GRP INT);
INSERT INTO t1 VALUES (0, 10);
INSERT INTO t1 VALUES (2, 30);

CREATE TABLE t2 (EMPNUM INT, NAME CHAR(5));
INSERT INTO t2 VALUES (0, 'KERI');
INSERT INTO t2 VALUES (9, 'BARRY');

CREATE VIEW v1 AS
SELECT COALESCE(t2.EMPNUM,t1.EMPNUM) AS EMPNUM, NAME, GRP
  FROM t2 LEFT OUTER JOIN t1 ON t2.EMPNUM=t1.EMPNUM;

SELECT * FROM v1;
SELECT * FROM v1 WHERE EMPNUM < 10;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Test for bug #11285: false Item_equal on expression in outer join
# 

CREATE TABLE t1 (c11 int);
CREATE TABLE t2 (c21 int);
INSERT INTO t1 VALUES (30), (40), (50);
INSERT INTO t2 VALUES (300), (400), (500);
SELECT * FROM t1 LEFT JOIN t2 ON (c11=c21 AND c21=30) WHERE c11=40;
DROP TABLE t1, t2;
#
# Test for bugs
# #12101: erroneously applied outer join elimination in case of WHERE NOT BETWEEN
# #12102: erroneously missing outer join elimination in case of WHERE IN/IF
#

CREATE TABLE t1 (a int PRIMARY KEY, b int);
CREATE TABLE t2 (a int PRIMARY KEY, b int);

INSERT INTO t1 VALUES (1,2), (2,1), (3,2), (4,3), (5,6), (6,5), (7,8), (8,7), (9,10);
INSERT INTO t2 VALUES (3,0), (4,1), (6,4), (7,5);

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b <= t1.a AND t1.a <= t1.b;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a BETWEEN t2.b AND t1.b;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT BETWEEN t2.b AND t1.b);

--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b > t1.a OR t1.a > t1.b;
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT BETWEEN t2.b AND t1.b;
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a BETWEEN t2.b AND t1.b);

--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t2.b > t1.a OR t1.a > t1.b;
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a != t2.a AND t1.a BETWEEN t2.b AND t1.b);

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a AND (t2.b > t1.a OR t1.a > t1.b);
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a != t2.a OR t1.a BETWEEN t2.b AND t1.b);

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b);
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT IN(t2.a, t2.b));

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a != t1.b AND t1.a != t2.b;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT IN(t1.b, t2.b);
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a IN(t1.b, t2.b));

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.a != t2.b OR (t1.a != t2.a AND t1.a != t2.b);
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t2.a = t2.b AND t1.a IN(t2.a, t2.b));

SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.a != t2.b AND t1.a != t1.b AND t1.a != t2.b;
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t2.a = t2.b OR t1.a IN(t1.b, t2.b));

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b);
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a > IF(t1.a = t2.b-2, t2.b, t2.b-1);

DROP TABLE t1,t2;

#
# Test for bug #17164: ORed FALSE blocked conversion of outer join into join
#

# Test case moved to join_outer_innodb

#
# Bug 19396: LEFT OUTER JOIN over views in curly braces 
# 
--disable_warnings
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2;
--enable_warnings

CREATE TABLE t1 (a int);
CREATE table t2 (b int);
INSERT INTO t1 VALUES (1), (2), (3), (4), (1), (1), (3);
INSERT INTO t2 VALUES (2), (3);

CREATE VIEW v1 AS SELECT a FROM t1 JOIN t2 ON t1.a=t2.b;
CREATE VIEW v2 AS SELECT b FROM t2 JOIN t1 ON t2.b=t1.a;

SELECT v1.a, v2. b 
  FROM v1 LEFT OUTER JOIN v2 ON (v1.a=v2.b) AND (v1.a >= 3)
    GROUP BY v1.a;
SELECT v1.a, v2. b 
  FROM { OJ v1 LEFT OUTER JOIN v2 ON (v1.a=v2.b) AND (v1.a >= 3) }
    GROUP BY v1.a;

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

#
# Bug 19816: LEFT OUTER JOIN with constant ORed predicates in WHERE clause
# 

CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (2), (3);

--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1);

--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1 OR 1);
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (0 OR 1);
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 2=2);
--sorted_result
SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 1=0);

DROP TABLE t1,t2;

#
# Bug 26017: LEFT OUTER JOIN over two constant tables and 
#            a case-insensitive comparison predicate field=const 
# 

CREATE TABLE t1 (
  f1 varchar(16) collate latin1_swedish_ci PRIMARY KEY,
  f2 varchar(16) collate latin1_swedish_ci
);
CREATE TABLE t2 (
  f1 varchar(16) collate latin1_swedish_ci PRIMARY KEY,
  f3 varchar(16) collate latin1_swedish_ci
);

INSERT INTO t1 VALUES ('bla','blah');
INSERT INTO t2 VALUES ('bla','sheep');

SELECT * FROM t1 JOIN t2 USING(f1) WHERE f1='Bla';
SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='bla';
SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='Bla';

DROP TABLE t1,t2;

#
# Bug 28188: 'not exists' optimization for outer joins 
#

--disable_ps2_protocol
CREATE TABLE t1 (id int PRIMARY KEY, a varchar(8));
CREATE TABLE t2 (id int NOT NULL, b int NOT NULL, INDEX idx(id));
INSERT INTO t1 VALUES
  (1,'aaaaaaa'), (5,'eeeeeee'), (4,'ddddddd'), (2,'bbbbbbb'), (3,'ccccccc');
INSERT INTO t2 VALUES
  (3,10), (2,20), (5,30), (3,20), (5,10), (3,40), (3,30), (2,10), (2,40);

EXPLAIN
SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL;

flush status;
SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL;
show status like 'Handler_read%';

DROP TABLE t1,t2;
--enable_ps2_protocol
#
# Bug 28571: outer join with false on condition over constant tables 
#

CREATE TABLE t1 (c int  PRIMARY KEY, e int NOT NULL);
INSERT INTO t1 VALUES (1,0), (2,1);
CREATE TABLE t2 (d int PRIMARY KEY);
INSERT INTO t2 VALUES (1), (2), (3);

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d IS NULL;
SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d IS NULL;
SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d<=>NULL;

DROP TABLE t1,t2;

--echo #
--echo # Bug#47650: using group by with rollup without indexes returns incorrect 
--echo # results with where
--echo #
CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1);

CREATE TABLE t2 ( a INT, b INT );
INSERT INTO t2 VALUES (1, 1),(1, 2),(1, 3),(2, 4),(2, 5);

EXPLAIN
SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b )
FROM t1 LEFT JOIN t2 USING( a )
GROUP BY t1.a WITH ROLLUP;

SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b )
FROM t1 LEFT JOIN t2 USING( a )
GROUP BY t1.a WITH ROLLUP;

EXPLAIN
SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b )
FROM t1 JOIN t2 USING( a )
GROUP BY t1.a WITH ROLLUP;

SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b )
FROM t1 JOIN t2 USING( a )
GROUP BY t1.a WITH ROLLUP;

DROP TABLE t1, t2;

--echo #
--echo # Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison
--echo #
CREATE TABLE t1(f1 INT, f2 INT, f3 INT);
INSERT INTO t1 VALUES (1, NULL, 3);
CREATE TABLE t2(f1 INT, f2 INT);
INSERT INTO t2 VALUES (2, 1);

EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));

SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));

DROP TABLE t1, t2;

--echo #
--echo # Bug#52357: Assertion failed: join->best_read in greedy_search 
--echo # optimizer_search_depth=0
--echo #
CREATE TABLE t1( a INT );

INSERT INTO t1 VALUES (1),(2);
SET optimizer_search_depth = 0;

--echo # Should not core dump on query preparation
EXPLAIN
SELECT 1
FROM t1 tt3 LEFT  OUTER JOIN t1 tt4 ON 1
            LEFT  OUTER JOIN t1 tt5 ON 1
            LEFT  OUTER JOIN t1 tt6 ON 1
            LEFT  OUTER JOIN t1 tt7 ON 1
            LEFT  OUTER JOIN t1 tt8 ON 1
            RIGHT OUTER JOIN t1 tt2 ON 1
            RIGHT OUTER JOIN t1 tt1 ON 1
            STRAIGHT_JOIN    t1 tt9 ON 1;

SET optimizer_search_depth = DEFAULT;
DROP TABLE t1;

--echo #
--echo # Bug#46091 STRAIGHT_JOIN + RIGHT JOIN returns different result
--echo #
CREATE TABLE t1 (f1 INT NOT NULL);
INSERT INTO t1 VALUES (9),(0);

CREATE TABLE t2 (f1 INT NOT NULL);
INSERT INTO t2 VALUES
(5),(3),(0),(3),(1),(0),(1),(7),(1),(0),(0),(8),(4),(9),(0),(2),(0),(8),(5),(1);

SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1
RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;

EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1
RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;

DROP TABLE t1, t2;

--echo #
--echo # Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990
--echo #
CREATE TABLE t1(f1 INT, PRIMARY KEY (f1));
INSERT INTO t1 VALUES (1),(2);

EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
 LEFT JOIN t1 AS jt2
  RIGHT JOIN t1 AS jt3
    JOIN t1 AS jt4 ON 1
   LEFT JOIN t1 AS jt5 ON 1
  ON 1
  RIGHT JOIN t1 AS jt6 ON jt6.f1
 ON 1;

EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
 RIGHT JOIN t1 AS jt2
  RIGHT JOIN t1 AS jt3
    JOIN t1 AS jt4 ON 1
   LEFT JOIN t1 AS jt5 ON 1
  ON 1
  RIGHT JOIN t1 AS jt6 ON jt6.f1
 ON 1;

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, PRIMARY KEY (f1));
CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL, PRIMARY KEY (f1, f2));

INSERT INTO t1 VALUES (4);
INSERT INTO t2 VALUES (3, 3);
INSERT INTO t2 VALUES (7, 7);

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4
GROUP BY t2.f1, t2.f2;

SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4
GROUP BY t2.f1, t2.f2;

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL
GROUP BY t2.f1, t2.f2;

SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL
GROUP BY t2.f1, t2.f2;

DROP TABLE t1,t2;

--echo #
--echo # Bug#57034 incorrect OUTER JOIN result when joined on unique key
--echo #

CREATE TABLE t1 (pk INT PRIMARY KEY, 
                 col_int INT, 
                 col_int_unique INT UNIQUE KEY);
INSERT INTO t1 VALUES (1,NULL,2), (2,0,0);

CREATE TABLE t2 (pk INT PRIMARY KEY,
                 col_int INT,
                 col_int_unique INT UNIQUE KEY);
INSERT INTO t2 VALUES (1,0,1), (2,0,2);

EXPLAIN
SELECT * FROM t1 LEFT JOIN t2
  ON t1.col_int_unique = t2.col_int_unique AND t1.col_int = t2.col_int 
  WHERE t1.pk=1;

SELECT * FROM t1 LEFT JOIN t2
  ON t1.col_int_unique = t2.col_int_unique AND t1.col_int = t2.col_int 
  WHERE t1.pk=1;

DROP TABLE t1,t2;

--echo #
--echo # Bug#48046 Server incorrectly processing JOINs on NULL values
--echo #

# bug#48046 is a duplicate of bug#57034

CREATE TABLE `BB` (
  `pk` int(11) NOT NULL AUTO_INCREMENT,
  `time_key` time DEFAULT NULL,
  `varchar_key` varchar(1) DEFAULT NULL,
  `varchar_nokey` varchar(1) DEFAULT NULL,
  PRIMARY KEY (`pk`),
  KEY `time_key` (`time_key`),
  KEY `varchar_key` (`varchar_key`)
) ENGINE=MyISAM AUTO_INCREMENT=11 DEFAULT CHARSET=latin1;

INSERT INTO `BB` VALUES (10,'18:27:58',NULL,NULL);

SELECT table1.time_key AS field1, table2.pk 
FROM BB table1  LEFT JOIN BB table2 
 ON table2.varchar_nokey = table1.varchar_key
 HAVING field1;

DROP TABLE BB;

--echo #
--echo # Bug#49600 Server incorrectly processing RIGHT JOIN with 
--echo #           constant WHERE clause and no index
--echo #

# bug#49600 is a duplicate of bug#57034

CREATE TABLE `BB` (
  `col_datetime_key` datetime DEFAULT NULL,
  `col_varchar_key` varchar(1) DEFAULT NULL,
  `col_varchar_nokey` varchar(1) DEFAULT NULL,
  KEY `col_datetime_key` (`col_datetime_key`),
  KEY `col_varchar_key` (`col_varchar_key`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO `BB` VALUES ('1900-01-01 00:00:00',NULL,NULL);

SELECT table1.col_datetime_key  
FROM BB table1 RIGHT JOIN BB table2 
 ON table2 .col_varchar_nokey = table1.col_varchar_key
 WHERE 7;

# Disable keys, and we get incorrect result for the same query
ALTER TABLE BB DISABLE KEYS;

SELECT table1.col_datetime_key  
FROM BB table1 RIGHT JOIN BB table2
 ON table2 .col_varchar_nokey = table1.col_varchar_key
 WHERE 7;

DROP TABLE BB;


--echo #
--echo # Bug#58490: Incorrect result in multi level OUTER JOIN
--echo # in combination with IS NULL
--echo #

CREATE TABLE t1 (i INT NOT NULL);
INSERT INTO t1 VALUES (0),    (2),(3),(4);
CREATE TABLE t2 (i INT NOT NULL);
INSERT INTO t2 VALUES (0),(1),    (3),(4);
CREATE TABLE t3 (i INT NOT NULL);
INSERT INTO t3 VALUES (0),(1),(2),    (4);
CREATE TABLE t4 (i INT NOT NULL);
INSERT INTO t4 VALUES (0),(1),(2),(3)   ;

--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( t2 LEFT JOIN
   ( t3 LEFT JOIN
     t4
     ON t4.i = t3.i
   )
   ON t3.i = t2.i
 )
 ON t2.i = t1.i
 ;

--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( t2 LEFT JOIN
   ( t3 LEFT JOIN
     t4
     ON t4.i = t3.i
   )
   ON t3.i = t2.i
 )
 ON t2.i = t1.i
 WHERE t4.i IS NULL;


# Most simplified testcase to reproduce the bug.
# (Has to be at least a two level nested outer join)
--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( ( t2 LEFT JOIN
     t3
     ON t3.i = t2.i
   )
 )
 ON t2.i = t1.i
 WHERE t3.i IS NULL;


# Extended testing:
# We then add some equi-join inside the query above:
# (There Used to be some problems here with first
#  proposed patch for this bug)
--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( ( t2 LEFT JOIN
     t3
     ON t3.i = t2.i
   )
   JOIN t4
   ON t4.i=t2.i
 )
 ON t2.i = t1.i
 WHERE t3.i IS NULL;

--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( ( t2 LEFT JOIN
     t3
     ON t3.i = t2.i
   )
   JOIN (t4 AS t4a JOIN t4 AS t4b ON t4a.i=t4b.i)
   ON t4a.i=t2.i
 )
 ON t2.i = t1.i
 WHERE t3.i IS NULL;

--sorted_result
SELECT * FROM
 t1 LEFT JOIN
 ( ( t2 LEFT JOIN
     t3
     ON t3.i = t2.i
   )
   JOIN (t4 AS t4a, t4 AS t4b)
   ON t4a.i=t2.i
 )
 ON t2.i = t1.i
 WHERE t3.i IS NULL;


DROP TABLE t1,t2,t3,t4;

## Bug#49322 & bug#58490 are duplicates. However, we include testcases
## for both.
--echo #
--echo # Bug#49322(Duplicate): Server is adding extra NULL row
--echo # on processing a WHERE clause
--echo #

CREATE TABLE h (pk INT NOT NULL, col_int_key INT);
INSERT INTO h VALUES (1,NULL),(4,2),(5,2),(3,4),(2,8);

CREATE TABLE m (pk INT NOT NULL, col_int_key INT);
INSERT INTO m VALUES (1,2),(2,7),(3,5),(4,7),(5,5),(6,NULL),(7,NULL),(8,9);
CREATE TABLE k (pk INT NOT NULL, col_int_key INT);
INSERT INTO k VALUES (1,9),(2,2),(3,5),(4,2),(5,7),(6,0),(7,5);

# Baseline query wo/ 'WHERE ... IS NULL' - was correct
--sorted_result
SELECT TABLE1.pk FROM k TABLE1
RIGHT JOIN h TABLE2 ON TABLE1.col_int_key=TABLE2.col_int_key
RIGHT JOIN m TABLE4 ON TABLE2.col_int_key=TABLE4.col_int_key;

# Adding 'WHERE ... IS NULL' -> incorrect result
SELECT TABLE1.pk FROM k TABLE1
RIGHT JOIN h TABLE2 ON TABLE1.col_int_key=TABLE2.col_int_key
RIGHT JOIN m TABLE4 ON TABLE2.col_int_key=TABLE4.col_int_key
WHERE TABLE1.pk IS NULL;

DROP TABLE h,m,k;

--echo
--echo # BUG#12567331 - INFINITE LOOP WHEN RESOLVING AN ALIASED COLUMN
--echo # USED IN GROUP BY
--echo 
CREATE TABLE t1 (
  col_varchar_1024_latin1_key varchar(1024),
  col_varchar_10_latin1 varchar(10),
  col_int int(11),
  pk int(11)
);
CREATE TABLE t2 (
  col_int_key int(11),
  col_int int(11),
  pk int(11)
);

PREPARE prep_stmt_9846 FROM '
SELECT alias1.pk AS field1 FROM
t1 AS alias1
LEFT JOIN
( 
  t2 AS alias2
  RIGHT  JOIN
  ( 
    t2 AS alias3
    JOIN t1 AS alias4
    ON 1
  )
  ON 1
)
ON 1
GROUP BY field1';
execute prep_stmt_9846;
execute prep_stmt_9846;
drop table t1,t2;

--echo #
--echo # Bug #11765810	58813: SERVER THREAD HANGS WHEN JOIN + WHERE + GROUP BY
--echo # IS EXECUTED TWICE FROM P
--echo #
CREATE TABLE t1 ( a INT ) ENGINE = MYISAM;
INSERT INTO t1 VALUES (1);
PREPARE prep_stmt FROM '
 SELECT 1 AS f FROM t1
 LEFT JOIN t1 t2
  RIGHT JOIN t1 t3
    JOIN t1 t4
   ON 1
  ON 1
 ON 1
 GROUP BY f';
EXECUTE prep_stmt;
EXECUTE prep_stmt;

DROP TABLE t1;

--echo #
--echo # Bug#49600: outer join of two single-row tables with joining attributes
--echo #            evaluated to nulls

create table t1 (a int, b int);
create table t2 (a int, b int);
insert into t1 values (1, NULL);
insert into t2 values (2, NULL);

select * from t1 left join t2 on t1.b=t2.b;

select * from t1 left join t2 on t1.b=t2.b where 1=1;

drop table t1,t2;

--echo #
--echo # Bug#53161: outer join in the derived table is erroneously converted
--echo #            into an inner join for a query with a group by clause
--echo # 

create table t1 (pk int not null primary key, a int not null);
create table t2 like t1;
create table t3 like t1;
create table t4 (pk int not null primary key);
insert into t1 values (1000, 1), (1001, 1);
insert into t2 values (2000, 2), (2001, 2);
insert into t3 values (3000, 3), (3001, 2);
insert into t4 values (4000), (4001);

explain extended
select t2.pk, 
      (select t3.pk+if(isnull(t4.pk),0,t4.pk) 
         from t3 left join t4 on t4.pk=t3.pk 
           where t3.pk=t2.pk+1000 limit 1 ) as t
  from t1,t2 
    where t2.pk=t1.pk+1000 and t1.pk>1000
  group by t2.pk;

select t2.pk, 
      (select t3.pk+if(isnull(t4.pk),0,t4.pk)
         from t3 left join t4 on t4.pk=t3.pk 
           where t3.pk=t2.pk+1000 limit 1 ) as t
  from t1,t2 
    where t2.pk=t1.pk+1000 and t1.pk>1000
  group by t2.pk;

drop table t1,t2,t3,t4;

--echo #
--echo # Bug#57024: Poor performance when conjunctive condition over the outer 
--echo #            table is used in the on condition of an outer join
--echo # 
--disable_ps2_protocol
--disable_view_protocol
create table t1 (a int);
insert into t1 values (NULL), (NULL), (NULL), (NULL);
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 select * from t1; 
insert into t1 values (4), (2), (1), (3);

create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;

create table t3 (a int, b int, index idx(a));  
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
insert into t3 values (11, 100), (33, 301), (44, 402), (11, 102), (11, 101);
insert into t3 values (22, 100), (53, 301), (64, 402), (22, 102), (22, 101);

analyze table t1,t2,t3;

flush status;
select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
show status like "handler_read%";
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
show status like "handler_read%";

drop table t1,t2,t3;
--enable_view_protocol
--enable_ps2_protocol

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

CREATE TABLE t1 (f1 INT NOT NULL, PRIMARY KEY (f1));
CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL, PRIMARY KEY (f1, f2));

INSERT INTO t1 VALUES (4);
INSERT INTO t2 VALUES (3, 3);
INSERT INTO t2 VALUES (7, 7);

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4
GROUP BY t2.f1, t2.f2;

SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4
GROUP BY t2.f1, t2.f2;

EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL
GROUP BY t2.f1, t2.f2;

SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1
WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL
GROUP BY t2.f1, t2.f2;

DROP TABLE t1,t2;

--echo #
--echo # Bug#13068506 - QUERY WITH GROUP BY ON NON-AGGR COLUMN RETURNS 
--echo #                WRONG RESULT
--echo #

CREATE TABLE t1 (i1 int);
INSERT INTO t1 VALUES (100), (101);

CREATE TABLE t2 (i2 int, i3 int);
INSERT INTO t2 VALUES (20,1),(10,2);

CREATE TABLE t3 (i4 int(11));
INSERT INTO t3 VALUES (1),(2);

let $query= SELECT (
  SELECT MAX( t2.i2 )
  FROM t3 RIGHT JOIN t2 ON ( t2.i3 = 2 )
  WHERE t2.i3 <> t1.i1
) AS field1
FROM t1;

--echo
--eval $query;
--echo
--eval $query GROUP BY field1;

--echo
drop table t1,t2,t3;

--echo # End of test for Bug#13068506

--echo End of 5.1 tests

--echo #
--echo # LP BUG#994392: Wrong result with RIGHT/LEFT JOIN and ALL subquery
--echo # predicate in WHERE condition.
--echo #

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(9);
CREATE TABLE t2(b INT);
INSERT INTO t2 VALUES(8);
CREATE TABLE t3(c INT);
INSERT INTO t3 VALUES(3);
SELECT * FROM t2 RIGHT JOIN t3 ON(c = b) WHERE b < ALL(SELECT a FROM t1 WHERE a <= 7);
SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b < ALL(SELECT a FROM t1 WHERE a <= 7);
SELECT * FROM t2 RIGHT JOIN t3 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7);
SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7);
drop table t1,t2,t3;

--echo End of 5.2 tests

--echo #
--echo # LP bug #813447: LEFT JOIN with single-row inner table and
--echo #                 a subquery in ON expression
--echo #

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

CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (0);

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

SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);
EXPLAIN EXTENDED
SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);

DROP TABLE t1,t2,t3;

--echo #
--echo # LP bug #817384 Wrong result with outer join + subquery in ON
--echo # clause +unique key
--echo #

CREATE TABLE t1 ( c int NOT NULL , b char(1) NOT NULL ) ;
INSERT INTO t1 VALUES (1,'b');

CREATE TABLE t2 ( a int NOT NULL , b char(1) NOT NULL , PRIMARY KEY (a)) ;
INSERT INTO t2 VALUES (1,'a');

create table t3 (c1 char(1), c2 char(2));
insert into t3 values ('c','d');
insert into t3 values ('c','d');


EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);
SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);

EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;
SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;

DROP TABLE t1,t2,t3;

--echo #
--echo # lp:825035 second execution of PS with outer join
--echo #

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

CREATE TABLE t2 (a int);

PREPARE stmt FROM 
"SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a";

EXECUTE stmt;
EXECUTE stmt;

DEALLOCATE PREPARE stmt;

DROP TABLE t1,t2;

--echo #
--echo # lp:838633 second execution of PS with outer join
--echo #                 converted to inner join
--echo #

CREATE TABLE t1 ( b int NOT NULL ) ;
INSERT INTO t1 VALUES (9),(10);

CREATE TABLE t2 ( b int NOT NULL, PRIMARY KEY (b)) ;
INSERT INTO t2 VALUES 
  (75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89),
  (10), (90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100);

CREATE TABLE t3 ( a int, b int NOT NULL , PRIMARY KEY (b)) ;
INSERT INTO t3 VALUES 
  (0,6),(0,7),(0,8),(2,9),(0,10),(2,21),(0,22),(2,23),(2,24),(2,25);

set @save_join_cache_level= @@join_cache_level;
SET SESSION join_cache_level=4;

EXPLAIN EXTENDED
SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b;

PREPARE stmt FROM
'SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b';

EXECUTE stmt;
EXECUTE stmt;

DEALLOCATE PREPARE stmt;

SET SESSION join_cache_level=@save_join_cache_level;

DROP TABLE t1,t2,t3;

--echo #
--echo # LP bug #943543: LEFT JOIN converted to JOIN with 
--echo #                 ORed IS NULL(primary key) in WHERE clause                
--echo #

CREATE TABLE t1 (
  a int, b int NOT NULL, pk int NOT NULL,
  PRIMARY KEY (pk), INDEX idx(b)
);
INSERT INTO t1 VALUES
  (NULL,1,1), (6,2,2), (5,3,3), (NULL,4,4),
  (1,9,6), (8,5,7), (NULL,8,8), (8,1,5);

CREATE TABLE t2 (pk int PRIMARY KEY);
INSERT INTO t2 VALUES (3), (8), (5);

EXPLAIN EXTENDED
SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a
 WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5
ORDER BY t1.pk;
SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a
 WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5
ORDER BY t1.pk;

EXPLAIN EXTENDED
SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.a
 WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5
ORDER BY t1.pk;
SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.a
 WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5
ORDER BY t1.pk;

DROP TABLE t2;

CREATE TABLE t2 (c int, d int, KEY (c));
INSERT INTO t2 VALUES
  (3,30), (8,88), (5,50), (8,81),
  (4,40), (9,90), (7,70), (9,90),
  (13,130), (18,188), (15,150), (18,181),
  (14,140), (19,190), (17,170), (19,190);

INSERT INTO t1 VALUES (8,5,9);

EXPLAIN EXTENDED
SELECT t1.b, t2.c, t2.d FROM t2 JOIN t1 ON t2.c = t1.a
  WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5
ORDER BY t1.b;
SELECT t1.b, t2.c, t2.d FROM t2 JOIN t1 ON t2.c = t1.a
  WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5
ORDER BY t1.b;

EXPLAIN EXTENDED
SELECT t1.b, t2.c, t2.d FROM t2 LEFT JOIN t1 ON t2.c = t1.a
  WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5
ORDER BY t1.b;
SELECT t1.b, t2.c, t2.d FROM t2 LEFT JOIN t1 ON t2.c = t1.a
  WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5
ORDER BY t1.b;

DROP TABLE t1,t2;

--echo #
--echo # Bug mdev-4336: LEFT JOIN with disjunctive 
--echo #                <non-nullable datetime field> IS NULL in WHERE 
--echo #                causes a hang and eventual crash   
--echo #

CREATE TABLE t1 (
  id int(11) NOT NULL,
  modified datetime NOT NULL,
  PRIMARY KEY (id)
);

SELECT a.* FROM t1 a LEFT JOIN t1 b ON a.id = b.id 
  WHERE a.modified > b.modified or b.modified IS NULL;

DROP TABLE t1;

--echo #
--echo # MDEV-4817: Optimizer fails to optimize expression of the form 'FOO' IS NULL
--echo #
create table t0 (a int not null);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

alter table t0 add person_id varchar(255) not null;
create table t1 (pk int not null primary key);
insert into t1 select A.a + 10*B.a from t0 A, t0 B;

explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo' or 'xyz' IS NULL;
explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo';
explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo' or t0.person_id='bar';

drop table t0, t1;

--echo #
--echo # MDEV-4836: Wrong result on <not null date column> IS NULL (old documented hack stopped working)
--echo #  (this is a regression after fix for MDEV-4817)
--echo #
CREATE TABLE t1 (id INT, d DATE NOT NULL);
INSERT INTO t1 VALUES (1,'0000-00-00'),(2,'0000-00-00');
CREATE TABLE t2 (i INT);
SELECT * FROM t1 LEFT JOIN t2 ON (id=i) WHERE NULL OR d IS NULL;
DROP TABLE t1,t2;


CREATE TABLE t1 (i1 INT, d1 DATE NOT NULL);
INSERT INTO t1 VALUES (1,'2012-12-21'),(2,'0000-00-00');

CREATE TABLE t2 (i2 INT, j2 INT);
INSERT INTO t2 VALUES (1,10),(2,20);

SELECT * FROM t1 LEFT JOIN t2 ON i1 = j2 WHERE d1 IS NULL AND 1 OR i1 = i2;
DROP TABLE t1,t2;

--echo # Another testcase
CREATE TABLE t1 (i1 INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL);

CREATE TABLE t2 (i2 INT, a INT, b INT) ENGINE=MyISAM;
CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2;

INSERT INTO t2 VALUES (NULL,1,2),(NULL,2,3);
SELECT * FROM t1 LEFT JOIN v2 ON i1 = i2 WHERE a < b;
SELECT * FROM t1 LEFT JOIN t2 ON i1 = i2 WHERE a < b;

drop view v2;
drop table t1,t2;

--echo #
--echo # Bug mdev-4942: LEFT JOIN with conjunctive 
--echo #                <non-nullable datetime field> IS NULL in WHERE 
--echo #                causes an assert failure  
--echo #

CREATE TABLE t1 ( i1 int, d1 date );
INSERT INTO t1 VALUES (1,'2001-06-26'), (2,'2000-11-16');

CREATE TABLE t2 ( i2 int, d2 date NOT NULL );
INSERT INTO t2 VALUES (3,'2000-03-06'), (4,'2007-09-25');

SELECT * FROM t1 LEFT JOIN t2 ON i1 = i2 WHERE d1 IS NULL AND d2 IS NULL;

DROP TABLE t1,t2;

--echo #
--echo # Bug mdev-4952: LEFT JOIN with disjunctive 
--echo #                <non-nullable datetime field> IS NULL in WHERE 
--echo #                causes an assert failure  
--echo #

CREATE TABLE t1 (a1 int, b1 int NOT NULL) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1, 10), (2, 11);

CREATE TABLE t2 (dt datetime NOT NULL, a2 int, b2 int) ENGINE=MyISAM;
INSERT INTO t2 VALUES
('2006-10-08 09:34:54', 1, 100), ('2001-01-19 01:04:43', 2, 200);

SELECT * FROM t1 LEFT JOIN t2 ON a1 = a2
  WHERE ( dt IS NULL OR FALSE ) AND b2 IS NULL;

DROP TABLE t1,t2;

--echo #
--echo # Bug mdev-4962: nested outer join with 
--echo #                <non-nullable datetime field> IS NULL in WHERE 
--echo #                causes an assert failure  
--echo #

CREATE TABLE t1 (i1 int) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2 (i2 int) ENGINE=MyISAM;
INSERT INTO t2 VALUES (10),(20);

CREATE TABLE t3 (i3 int, d3 datetime NOT NULL) ENGINE=MyISAM;
INSERT INTO t3 VALUES (8,'2008-12-04 17:53:42'),(9,'2012-12-21 12:12:12');

SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON i2 = i3 ON i1 = i3
  WHERE d3 IS NULL;
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON i2 = i3 ON i1 = i3
  WHERE d3 IS NULL;

DROP TABLE t1,t2,t3;

--echo #
--echo # Bug mdev-6705: wrong on expression after constant row substitution 
--echo #                that triggers a simplification of WHERE condition
--echo #

CREATE TABLE t1 (a int, b int) ENGINE=MyISAM;
INSERT INTO t1 VALUES (10,8);

CREATE TABLE t2 (c int) ENGINE=MyISAM;
INSERT INTO t2 VALUES (8),(9);

CREATE TABLE t3 (d int) ENGINE=MyISAM;
INSERT INTO t3 VALUES (3),(8);

EXPLAIN EXTENDED
SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a
  WHERE b IN (1,2,3) OR b = d;

SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a
  WHERE b IN (1,2,3) OR b = d;

DROP TABLE t1,t2,t3;

--echo #
--echo # MDEV-6634: Wrong estimates for ref(const) and key IS NULL predicate
--echo #
create table t1(a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, b int, c int, key(b), key(c));

insert into t2 select 
  @a:=A.a + 10*B.a+100*C.a,
  IF(@a<900, NULL, @a),
  IF(@a<500, NULL, @a)
from t1 A, t1 B, t1 C;

delete from t1 where a=0;

--echo # Check that there are different #rows of NULLs for b and c, both !=10:
explain select * from t2 force index (b) where b is null;
explain select * from t2 force index (c) where c is null;

explain select * from t1 left join t2 on t2.b is null;
explain select * from t1 left join t2 on t2.c is null;

drop table t1,t2;

--echo #
--echo # MDEV-10006: optimizer doesn't convert outer join to inner on views with WHERE clause
--echo #

CREATE TABLE t1(i1 int primary key, v1 int, key(v1));
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (2, 2);
INSERT INTO t1 VALUES (3, 3);
INSERT INTO t1 VALUES (4, 4);
INSERT INTO t1 VALUES (5, 3);
INSERT INTO t1 VALUES (6, 6);
INSERT INTO t1 VALUES (7, 7);
INSERT INTO t1 VALUES (8, 8);
INSERT INTO t1 VALUES (9, 9);
 
CREATE TABLE t2(i2 int primary key, v2 int, key(v2));
INSERT INTO t2 VALUES (1, 1);
INSERT INTO t2 VALUES (2, 2);
INSERT INTO t2 VALUES (3, 3);
INSERT INTO t2 VALUES (4, 4);
INSERT INTO t2 VALUES (5, 3);
INSERT INTO t2 VALUES (6, 6);
INSERT INTO t2 VALUES (7, 7);
INSERT INTO t2 VALUES (8, 8);
INSERT INTO t2 VALUES (9, 9);
 
CREATE TABLE t3(i3 int primary key, v3 int, key(v3));
INSERT INTO t3 VALUES (2, 2);
INSERT INTO t3 VALUES (4, 4);
INSERT INTO t3 VALUES (6, 6);
INSERT INTO t3 VALUES (8, 8);

--echo # This should have a join order of t3,t1,t2 (or t3,t2,t1, the idea is that t3 is the first one)
EXPLAIN EXTENDED 
SELECT * FROM 
 (SELECT t1.i1 as i1, t1.v1 as v1,
                 t2.i2 as i2, t2.v2 as v2,
                 t3.i3 as i3, t3.v3 as v3
            FROM t1 JOIN t2 on t1.i1 = t2.i2
       LEFT JOIN t3 on t2.i2 = t3.i3
 ) as w1 
WHERE v3 = 4;

--echo # This should have the same join order like the query above:
EXPLAIN EXTENDED 
SELECT * FROM 
 (SELECT t1.i1 as i1, t1.v1 as v1,
                 t2.i2 as i2, t2.v2 as v2,
                 t3.i3 as i3, t3.v3 as v3
            FROM t1 JOIN t2 on t1.i1 = t2.i2
       LEFT JOIN t3 on t2.i2 = t3.i3
           WHERE t1.i1 = t2.i2
             AND 1 = 1
 ) as w2 
WHERE v3 = 4;

drop table t1,t2,t3;

--echo #
--echo # MDEV-11958: LEFT JOIN with stored routine produces incorrect result
--echo #

#view cannot contains duplicate column name
--disable_view_protocol

CREATE TABLE t (x INT);
INSERT INTO t VALUES(1),(NULL);
CREATE FUNCTION f (val INT, ret INT) RETURNS INT DETERMINISTIC RETURN IFNULL(val, ret);

SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
                            FROM t t1 LEFT JOIN t t2
                            ON t1.x = t2.x
                            WHERE IFNULL(t2.x,0)=0;
explain extended
SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
                            FROM t t1 LEFT JOIN t t2
                            ON t1.x = t2.x
                            WHERE IFNULL(t2.x,0)=0;
SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
                            FROM t t1 LEFT JOIN t t2
                            ON t1.x = t2.x
                            WHERE f(t2.x,0)=0;
explain extended
SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
                            FROM t t1 LEFT JOIN t t2
                            ON t1.x = t2.x
                            WHERE f(t2.x,0)=0;
--enable_view_protocol

drop function f;
drop table t;
CREATE TABLE t1 (
 col1 DECIMAL(33,5) NULL DEFAULT NULL,
 col2 DECIMAL(33,5) NULL DEFAULT NULL
);

CREATE TABLE t2 (
 col1 DECIMAL(33,5) NULL DEFAULT NULL,
 col2 DECIMAL(33,5) NULL DEFAULT NULL,
 col3 DECIMAL(33,5) NULL DEFAULT NULL
);

INSERT INTO t1 VALUES (2, 1.1), (2, 2.1);
INSERT INTO t2 VALUES (3, 3.1, 4), (1, 1, NULL);

DELIMITER |;

CREATE FUNCTION f1 ( p_num DECIMAL(45,15), p_return DECIMAL(45,15))
RETURNS decimal(33,5)
LANGUAGE SQL
DETERMINISTIC
CONTAINS SQL
SQL SECURITY INVOKER
BEGIN
  IF p_num IS NULL THEN
    RETURN p_return;
  ELSE
    RETURN p_num;
  END IF;
END |

DELIMITER ;|

let $q1=
SELECT t1.col1, t2.col1, t2.col3
FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2
WHERE IFNULL(t2.col3,0) = 0;

eval $q1;
eval EXPLAIN EXTENDED $q1;

let $q2=
SELECT t1.col1, t2.col1, t2.col3
FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2
WHERE f1(t2.col3,0) = 0;
eval $q2;
eval EXPLAIN EXTENDED $q2;

DROP FUNCTION f1;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-10397: Server crashes in key_copy with join_cache_level > 2 and join on BIT fields
--echo #

CREATE TABLE t1 (b1 BIT NOT NULL);
INSERT INTO t1 VALUES (0),(1);

CREATE TABLE t2 (b2 BIT NOT NULL);
INSERT INTO t2 VALUES (0),(1);

set @save_join_cache_level= @@join_cache_level;
SET  @@join_cache_level = 3;
SELECT t1.b1+'0' , t2.b2 + '0' FROM t1 LEFT JOIN t2 ON b1 = b2;
DROP TABLE t1, t2;
set @@join_cache_level= @save_join_cache_level;

--echo #
--echo # MDEV-14779: using left join causes incorrect results with materialization and derived tables
--echo #

create table t1(id  int);
insert into t1 values (1),(2);
create table t2(sid int, id int);
insert into t2 values (1,1),(2,2);

select * from t1 t
 left join (select * from t2 where sid in (select max(sid) from t2 where 0=1 group by id)) r
 on t.id=r.id ;
drop table t1, t2;

--echo #
--echo # MDEV-16726: SELECT with STRAGHT JOIN containing NESTED RIGHT JOIN
--echo #             converted to INNER JOIN with first constant inner table
--echo #

CREATE TABLE t1 (
  pk int PRIMARY KEY, i1 int, v1 varchar(1), v2 varchar(1), KEY v1 (v1,i1)
) engine=MyISAM;
INSERT INTO t1 VALUES
  (8,3,'c','c'),(9,4,'z','z'),(10,3,'i','i'),(11,186,'x','x'),
  (14,226,'m','m'),(15,133,'p','p');

CREATE TABLE t2 (
  pk int PRIMARY KEY, i1 int, v1 varchar(1), v2 varchar(1)
) engine=MyISAM;
INSERT INTO t2 VALUES (10,6,'p','p');

EXPLAIN EXTENDED
SELECT STRAIGHT_JOIN t2.v2
FROM
  (t1 as tb1 LEFT JOIN t1 AS tb2 ON tb2.v1 = tb1.v2)
  RIGHT JOIN
  (t2,t1)
  ON t1.pk = t2.pk AND t2.v2 = tb1.v1
WHERE tb1.pk = 40
ORDER BY tb1.i1;

EXPLAIN EXTENDED
SELECT STRAIGHT_JOIN t2.v2
FROM
    (t2,t1)
    LEFT JOIN
    (t1 as tb1 LEFT JOIN t1 AS tb2 ON tb2.v1 = tb1.v2)
   ON t1.pk = t2.pk AND t2.v2 = tb1.v1
WHERE tb1.pk = 40
ORDER BY tb1.i1;

SELECT STRAIGHT_JOIN DISTINCT t2.v2
FROM
  (t1 as tb1 LEFT JOIN t1 AS tb2 ON tb2.v1 = tb1.v2)
  RIGHT JOIN
  (t2,t1)
  ON t1.pk = t2.pk AND t2.v2 = tb1.v1
WHERE tb1.pk = 40
ORDER BY tb1.i1;

DROP TABLE t1,t2;

--echo #
--echo # MDEV-19790 : IS NOT TRUE / IS NOT FALSE predicates over
--echo #              inner tables of outer joins
--echo #

create table t1 (a int);
create table t2 (b int);
insert into t1 values (3), (7), (1);
insert into t2 values (7), (4), (3);
select * from t1 left join t2 on a=b;

let $q=
select * from t1 left join t2 on a=b where (b > 3) is not true;
eval $q;
eval explain extended $q;

let $q=
select * from t1 left join t2 on a=b where (b > 3) is not false;
eval $q;
eval explain extended $q;

drop table t1,t2;

--echo # end of 5.5 tests

--echo #
--echo # MDEV-19258: chained right joins all converted to inner joins
--echo #

 CREATE TABLE t1 (
  id int NOT NULL AUTO_INCREMENT,
  timestamp bigint NOT NULL,
  modifiedBy varchar(255) DEFAULT NULL,
  PRIMARY KEY (id)
);

CREATE TABLE t2 (
  id int NOT NULL,
  REV int NOT NULL,
  REVTYPE tinyint DEFAULT NULL,
  profile_id int DEFAULT NULL,
  PRIMARY KEY (id,REV)
);

CREATE TABLE t3 (
  id int NOT NULL,
  REV int NOT NULL,
  person_id int DEFAULT NULL,
  PRIMARY KEY (id,REV)
);

CREATE TABLE t4 (
  id int NOT NULL,
  REV int NOT NULL,
  PRIMARY KEY (id,REV)
);

INSERT INTO t1 VALUES
(1,1294391193890,'Cxqy$*9.kKeE'),(2,1294643906883,'rE4wqGV0gif@'),
(3,1294643927456,'L?3yt(%dY$Br'),(4,1294644343525,'WH&ObiZ$#2S4'),
(5,1294644616416,'YXnCbt?olUZ0'),(6,1294644954537,'8Npe4!(#lU@k'),
(7,1294645046659,'knc0GhXB1#ib'),(8,1294645183829,'w*oPpVfuS8^m'),
(9,1294645386701,'hwXR@3qVzrbU'),(10,1294645525982,'BeLW*Y9ndP0l'),
(11,1294645627723,'nTegib^)qZ$I'),(12,1294650860266,'u62C^Kzx3wH8'),
(13,1294657613745,'4&BkFjGa!qLg'),(14,1294660627161,')anpt312SCoh'),
(15,1294661023336,'LtJ2PX?*kTmx'),(16,1294662838066,'POGRr@?#ofpl'),
(17,1294663020989,'o.)1EOT2jnF7'),(18,1294663308065,'&TZ0F0LHE6.h'),
(19,1294664900039,'j)kSC%^In$9d'),(20,1294668904556,'97glN50)cAo.'),
(21,1294728056853,'lrKZxmw?I.Ek'),(22,1294728157174,'@P*SRg!pT.q?'),
(23,1294728327099,'W9gPrptF.)8n'),(24,1294728418481,'$q*c^sM&URd#'),
(25,1294728729620,'9*f4&bTPRtHo'),(26,1294728906014,')4VtTEnS7$oI'),
(27,1294732190003,'8dkNSPq2u3AQ'),(28,1294733205065,'SV2N6IoEf438'),
(29,1294741984927,'rBKj.0S^Ey%*'),(30,1294751748352,'j$2DvlBqk)Fw'),
(31,1294753902212,'C$N6OrEw8elz'),(32,1294758120598,'DCSVZw!rnxXq'),
(33,1294761769556,'OTS@QU8a6s5c'),(34,1294816845305,'IUE2stG0D3L5'),
(35,1294816966909,'Xd16yka.9nHe'),(36,1294817116302,'lOQHZpm%!8qb'),
(37,1294817374775,'^&pE3IhNf7ey'),(38,1294817538907,'oEn4#7C0Vhfp'),
(39,1294818482950,'bx54J*O0Va&?'),(40,1294819047024,'J%@a&1.qgdb?'),
(41,1294821826077,'C9kojr$L3Phz'),(42,1294825454458,'gG#BOnM80ZPi'),
(43,1294904129918,'F^!TrjM#zdvc'),(44,1294904254166,'Va&Tb)k0RvlM'),
(45,1294904414964,'dJjq0M6HvhR#'),(46,1294904505784,'nJmxg)ELqY(b'),
(47,1294904602835,'dhF#or$Vge!7'),(48,1294904684728,'?bIh5E3l!0em'),
(49,1294904877898,'Y*WflOdcxnk.'),(50,1294905002390,'*?H!lUgez5A.'),
(51,1294905096043,'wlEIY3n9uz!p'),(52,1294905404621,'T?qv3H6&hlQD'),
(53,1294905603922,'S@Bhys^Ti7bt'),(54,1294905788416,'KR?a5NVukz#l'),
(55,1294905993190,'A*&q4kWhED!o'),(56,1294906205254,'fT0%7z0DF6h*'),
(57,1294906319680,'LhzdW4?ivjR0'),(58,1294906424296,'h0KDlns%U*6T'),
(59,1294906623844,'b$CfB1noI6Ax'),(60,1294911258896,'#T1*LP!3$Oys');


INSERT INTO t2 VALUES
(1,1,0,10209),(1,42480,1,10209),(1,61612,1,10209),(1,257545,1,10209),
(1,385332,1,10209),(1,1687999,1,10209),(3,1,0,10210),(3,617411,2,10210),
(4,11,0,14),(4,95149,1,10211),(4,607890,2,10211),(5,1,0,10212),
(6,1,0,10213),(6,93344,1,10213),(6,295578,1,10213),(6,295579,1,10213),
(6,295644,1,10213),(7,1,0,10214),(7,12,1,7),(7,688796,1,10214),
(7,1140433,1,10214),(7,1715227,1,10214),(8,1,0,10215),(8,74253,1,10215),
(8,93345,1,10215),(8,12,2,2),(9,1,0,10216),(9,93342,1,10216),
(9,122354,1,10216),(9,301499,2,10216),(10,11,0,5),(10,93343,1,10217),
(10,122355,1,10217),(10,123050,1,10217),(10,301500,2,10217),(11,1,0,10218),
(11,87852,1,10218),(11,605499,2,10218),(12,1,0,10219),(12,88024,1,10219),
(12,605892,2,10219),(13,1,0,10220);

INSERT INTO t3 VALUES
(1,1,300003),(1,117548,NULL),(2,1,300003),(2,117548,300006),
(3,1,300153),(3,117548,NULL),(4,1,300153),(4,117548,NULL),
(5,1,300153),(5,117548,NULL),(6,1,300182),(6,117548,NULL),
(7,1,300205),(7,117548,NULL),(8,1,300217),(8,117548,NULL),
(9,1,300290),(9,117548,NULL),(10,1,300290),(10,117548,NULL),
(11,1,300405),(11,117548,NULL),(12,1,300670),(12,117548,NULL),
(13,1,300670),(13,117548,NULL),(14,1,300006),(14,117548,NULL),
(15,1,300671),(15,117548,NULL),(16,1,300732),(16,117548,NULL);

INSERT INTO t4 VALUES
(300000,1),(300001,1),(300003,1),(300004,1),
(300005,1),(300005,688796),(300006,1),(300006,97697),
(300009,1),(300010,1),(300011,1),(300012,1),(300013,1),
(300014,1),(300015,1),(300016,1),(300017,1),(300018,1),
(300019,1),(300020,1),(300021,1),(300022,1),(300023,1),
(300024,1),(300025,1),(300026,1),(300027,1),(300028,1);

let $q1=
SELECT *
FROM t1 INNER JOIN t2 ON t2.REV=t1.id
        INNER JOIN t3 ON t3.id=t2.profile_id
        INNER JOIN t4 ON t4.id=t3.person_id
WHERE t1.timestamp < 1294664900039 AND t1.timestamp > 1294644616416  AND
      t2.REVTYPE=2;

--echo # This should have join order of t2,t3,t4,t1
eval EXPLAIN EXTENDED $q1;
eval $q1;

let $q2=
SELECT *
FROM t1 RIGHT JOIN t2 ON t2.REV=t1.id
        RIGHT JOIN t3 ON t3.id=t2.profile_id
        RIGHT JOIN t4 ON t4.id=t3.person_id
WHERE t1.timestamp < 1294664900039 AND t1.timestamp > 1294644616416
      AND t2.REVTYPE=2;

--echo # This should have join order of t2,t3,t4,t1 with the same plan as above
--echo # because all RIGHT JOIN operations are converted into INNER JOIN
eval EXPLAIN EXTENDED $q2;
eval $q2;

DROP TABLE t1,t2,t3,t4;

--echo # end of 10.1 tests

--echo #
--echo # MDEV-25362: name resolution for subqueries in ON expressions
--echo #

create table t1 (a int, b int);
create table t2 (c int, d int);
create table t3 (e int, f int);
create table t4 (g int, h int);

--error ER_BAD_FIELD_ERROR
explain
select *
from
  t1 left join
   (t2
    join
    t3 on
    (t3.f=t1.a)
   ) on (t2.c=t1.a );

# This must produce an error:
--error ER_BAD_FIELD_ERROR
explain
select *
from
  t1 left join
   (t2
    join
    t3 on
    (t3.f=(select max(g) from t4 where t4.h=t1.a))
   ) on (t2.c=t1.a );

drop table t1,t2,t3,t4;

create table t1 (a int);
insert into t1 values (1),(2);
create table t2 (b int);
insert into t2 values (1),(2);
create table t3 (c int);
insert into t3 values (1),(2);

--error ER_BAD_FIELD_ERROR
select * from ( select * from t1 left join t2
                              on b in (select x from t3 as sq1)
              ) as sq2;

drop table t1,t2,t3;

--echo # end of 10.2 tests

--echo #
--echo # MDEV-22866: Crash in join optimizer with constant outer join nest
--echo #

CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (3),(4);

CREATE TABLE t3 (c INT, KEY(c)) ENGINE=MyISAM;

CREATE TABLE t4 (d INT, KEY(d)) ENGINE=MyISAM;
INSERT INTO t4 VALUES (5),(6);

CREATE TABLE t5 (e INT) ENGINE=MyISAM;
INSERT INTO t5 VALUES (7),(8);

CREATE TABLE t6 (f INT) ENGINE=MyISAM;
INSERT INTO t6 VALUES (9),(10);

SELECT *
FROM
  t1
  LEFT JOIN (
    t2 LEFT JOIN (
       t3 JOIN
       t4 ON t3.c = t4.d and t3.c >2 and t3.c<0
    ) ON t2.b >= t4.d
  ) ON t1.a <= t2.b
  LEFT JOIN t5 ON t2.b = t5.e
  LEFT JOIN t6 ON t3.c = t6.f;

drop table t1,t2,t3,t4,t5,t6;

--echo #
--echo # MDEV-17518: Range optimization doesn't use ON expressions from nested outer joins
--echo #
create table t1(a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table t2(a int);
insert into t2 values (0),(1);

create table t3 (a int, b int, key(a));
insert into t3 select A.a + B.a* 10 + C.a * 100, 12345 from t1 A, t1 B, t1 C;

--echo # Uses range for table t3:
explain select * from t1 left join t3 on t1.a=t3.b and t3.a<5;

--echo # This must use range for table t3, too:
explain select * from t1 left join (t3 join t2) on t1.a=t3.b and t3.a<5;

--echo #
--echo # .. part 2: make sure condition selectivity can use the condition too.
--echo #
alter table t3 drop key a;
set @tmp1=@@optimizer_use_condition_selectivity;
set @tmp2=@@use_stat_tables;
set @tmp3=@@histogram_size;
set use_stat_tables=preferably;
set optimizer_use_condition_selectivity=4;
set histogram_size=100;

analyze table t3 persistent for all;

--echo # t3.filtered is less than 100%:
explain extended select * from t1 left join t3 on t1.a=t3.b and t3.a<5;

--echo # t3.filtered must less than 100%, too:
explain extended select * from t1 left join (t3 join t2) on t1.a=t3.b and t3.a<5;

drop table t1,t2,t3;
set optimizer_use_condition_selectivity= @tmp1;
set use_stat_tables= @tmp2;
set histogram_size= @tmp3;

--echo # Another test
CREATE TABLE t1 (i1 int) ;
CREATE TABLE t2 (pk int NOT NULL PRIMARY KEY) ;
CREATE TABLE t3 (pk int NOT NULL, i1 int, PRIMARY KEY (pk)) ;
INSERT INTO t3 VALUES (2, NULL);

CREATE TABLE t4 (pk int NOT NULL, i1 int, PRIMARY KEY (pk), KEY i1 (i1)) ;
CREATE VIEW v4 AS SELECT * FROM t4;

SELECT 1
FROM t3 RIGHT JOIN t1 ON t3.i1 = t1.i1
  LEFT JOIN v4
  RIGHT JOIN t2 ON v4.i1 = t2.pk ON t1.i1 = t2.pk
WHERE t3.pk IN (2);

drop view v4;
drop table t1,t2,t3,t4;

--echo #
--echo # MDEV-28602 Wrong result with outer join, merged derived table and view
--echo #

create table t1 (
  Election int(10) unsigned NOT NULL
);

insert into t1 (Election) values (1);
 
create table t2 (
  VoteID int(10),
  ElectionID int(10),
  UserID int(10)
);

insert into t2 (ElectionID, UserID) values (2,  30), (3, 30);
create view v1 as select * from t1
  left join ( select 'Y' AS Voted, ElectionID from t2 ) AS T 
    on T.ElectionID = t1.Election
limit 9;
#enable after fix MDEV-31277
--disable_ps2_protocol
# limit X causes merge algorithm select as opposed to temp table
select * from v1;
--enable_ps2_protocol
drop table t1, t2;
drop view v1;

--echo #
--echo # and another contrived example showing a bit of heirarchy
--echo #
create table t10 (a int);
create table t20 (b int);
insert into t10 values (1),(2);
insert into t20 values (1),(3);
create view v10 as select *, 'U' as u from t10 left join (select 'Y' as y, t20.b from t20) dt1 on t10.a= dt1.b limit 3;
create table t30 (c int);
insert into t30 values (1),(3);
create view v20 as select * from t30 left join (select 'X' as x, v10.u, v10.y, v10.b from v10) dt2 on t30.c=dt2.b limit 6;
#check after fix MDEV-31277
--disable_ps2_protocol
select * from v20 limit 9;
--enable_ps2_protocol
drop view v10, v20;
drop table t10, t20, t30;

--echo #
--echo # More complex testcase
--echo #
create table t2 (b int);
insert into t2 values (3),(7),(1);
create table t3 (c int);
insert into t3 values (3),(1);
create table t1 (a int);
insert into t1 values (1),(2),(7),(1);

#check after fix MDEV-31277
--disable_ps2_protocol
select * from
(
  select * from
    (select 'Z' as z, t1.a from t1) dt1
    left join 
      (select 'Y' as y, t2.b from t2) dt2
      left join
      (select 'X' as x, t3.c from t3) dt3
      on dt2.b=dt3.c
    on dt1.a=dt2.b
  limit 9
) dt;
--enable_ps2_protocol

## Same as dt3 above
create view v3(x,c) as select * from (select 'X' as x, t3.c from t3) dt3;

## Same as dt2 above
create view v2(y,b) as select * from (select 'Y' as y, t2.b from t2) dt2;

## Same as  (...) in the "... dt1 left join (...)" above
create view v0(y,b,x,c) as select * from v2 left join v3 on v2.b=v3.c;

# Same as above select statement
create view v1 as  select 'Z' as z, t1.a, v0.*  from t1 left join v0 on t1.a=v0.b limit 9;

#check after fix MDEV-31277
--disable_ps2_protocol
select * from v1;
--enable_ps2_protocol

set statement join_cache_level=0 for
select * from v1;

drop view v0, v1, v2, v3;
drop table t1, t2, t3;

--echo # end of 10.3 tests

SET optimizer_switch=@org_optimizer_switch;