join_outer.test
上传用户:romrleung
上传日期:2022-05-23
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文件大小:26k
- #
- # test of left outer join
- #
- --disable_warnings
- drop table if exists t1,t2,t3,t4,t5;
- --enable_warnings
- 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;
- 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);
- 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;
- 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 1120
- 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 1120
- 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 1120
- 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 1062
- 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','C遧culo 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);
- 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');
- 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);
- 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);
- 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;
- 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;
- 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 1120
- 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;
- 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;
- 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);
- select * from t1 natural left join t2 natural left join t3;
- 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);
- --error 1054
- 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 invoice (
- id int(11) unsigned NOT NULL auto_increment,
- text_id int(10) unsigned default NULL,
- PRIMARY KEY (id)
- );
- INSERT INTO invoice VALUES("1", "0");
- INSERT INTO invoice VALUES("2", "10");
- CREATE TABLE text_table (
- 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 text_table VALUES("0", "EN", "0-EN");
- INSERT INTO text_table VALUES("0", "SV", "0-SV");
- INSERT INTO text_table VALUES("10", "EN", "10-EN");
- INSERT INTO text_table VALUES("10", "SV", "10-SV");
- SELECT invoice.id, invoice.text_id, text_table.text_data
- FROM invoice LEFT JOIN text_table
- ON invoice.text_id = text_table.text_id
- AND text_table.language_id = 'SV'
- WHERE (invoice.id LIKE '%' OR text_table.text_data LIKE '%');
- DROP TABLE invoice, text_table;
- #
- # 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;
- drop table t1, t2;
- set group_concat_max_len=default;
- #
- # 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);
- SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b > t1.a OR t1.a > t1.b;
- SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT BETWEEN t2.b AND t1.b;
- SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(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 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 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;
- # End of 4.1 tests