Create 'main' test directory and move 't' and 'r' there

1 files changed, 0 insertions, 1997 deletions

diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test
deleted file mode 100644
index 34b0551a32e..00000000000
--- a/mysql-test/t/join_outer.test
+++ /dev/null
@@ -1,1997 +0,0 @@
---source include/long_test.inc
-
-#
-# test of left outer join
-#
-
---disable_warnings
-drop table if exists t0,t1,t2,t3,t4,t5;
---enable_warnings
-
-SET @save_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");
-select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by t1.a;
-select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a;
-select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by a;
-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 
-#
- 
-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;
-
-#
-# 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 # 
-
-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;
-
---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 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=default;
-
-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 #
-
-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;
-
-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 # end of 5.5 tests
-
-SET optimizer_switch=@save_optimizer_switch;