diff options
| author | Michael Widenius <monty@mariadb.org> | 2018-03-09 14:05:35 +0200 |
|---|---|---|
| committer | Monty <monty@mariadb.org> | 2018-03-29 13:59:44 +0300 |
| commit | a7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch) | |
| tree | 70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/r/join_outer.result | |
| parent | ab1941266c59a19703a74b5593cf3f508a5752d7 (diff) | |
| download | mariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz | |
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/r/join_outer.result')
| -rw-r--r-- | mysql-test/r/join_outer.result | 2464 |
1 files changed, 0 insertions, 2464 deletions
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result deleted file mode 100644 index 6753349dece..00000000000 --- a/mysql-test/r/join_outer.result +++ /dev/null @@ -1,2464 +0,0 @@ -drop table if exists t0,t1,t2,t3,t4,t5; -SET @save_optimizer_switch=@@optimizer_switch; -SET optimizer_switch=ifnull(@optimizer_switch_for_join_outer_test,'outer_join_with_cache=off'); -set join_cache_level=1; -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; -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) order by t1.grp,t1.a,t2.c; -grp a c id a c d -NULL NULL NULL NULL NULL NULL -1 1 a 1 1 a 1 -2 2 b NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from { oj t2 left outer join t1 on (t1.a=t2.a) }; -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -NULL NULL NULL 4 7 D 7 -select t1.*,t2.* from t1 as t0,{ oj t2 left outer join t1 on (t1.a=t2.a) } WHERE t0.a=2; -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -NULL NULL NULL 4 7 D 7 -select t1.*,t2.* from t1 left join t2 using (a); -grp a c id a c d -1 1 a 1 1 a 1 -2 2 b NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -NULL NULL NULL NULL NULL NULL -select t1.*,t2.* from t1 left join t2 using (a) where t1.a=t2.a; -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from t1 left join t2 using (a,c); -grp a c id a c d -1 1 a 1 1 a 1 -2 2 b NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL -3 4 E NULL NULL NULL NULL -3 5 C NULL NULL NULL NULL -3 6 D NULL NULL NULL NULL -NULL NULL NULL NULL NULL NULL -select t1.*,t2.* from t1 left join t2 using (c); -grp a c id a c d -1 1 a 1 1 a 1 -1 1 a 3 4 A 4 -2 2 b 3 5 B 5 -2 3 c 3 6 C 6 -3 4 E NULL NULL NULL NULL -3 5 C 3 6 C 6 -3 6 D 4 7 D 7 -NULL NULL NULL NULL NULL NULL -select t1.*,t2.* from t1 natural left outer join t2; -grp a c id a c d -1 1 a 1 1 a 1 -2 2 b NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL -3 4 E NULL NULL NULL NULL -3 5 C NULL NULL NULL NULL -3 6 D NULL NULL NULL NULL -NULL NULL NULL NULL NULL NULL -select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id=3; -grp a c id a c d -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id is null; -grp a c id a c d -2 2 b NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL -NULL NULL NULL NULL NULL NULL -explain select t1.*,t2.* from t1,t2 where t1.a=t2.a and isnull(t2.a)=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE -explain select t1.*,t2.* from t1 left join t2 on t1.a=t2.a where isnull(t2.a)=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 7 -1 SIMPLE t2 eq_ref PRIMARY PRIMARY 8 test.t1.a 1 Using where -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); -grp a c id a c d a -1 1 a 1 1 a 1 1 -2 2 b NULL NULL NULL NULL NULL -2 3 c NULL NULL NULL NULL NULL -3 4 E 3 4 A 4 4 -3 5 C 3 5 B 5 5 -3 6 D 3 6 C 6 6 -NULL NULL NULL NULL NULL NULL NULL -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 42S22: Unknown column 't3.a' in 'on clause' -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 42S22: Unknown column 't3.a' in 'on clause' -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); -ERROR 42S22: Unknown column 't3.a' in 'on clause' -select t1.*,t2.* from t1 inner join t2 using (a); -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from t1 inner join t2 on (t1.a=t2.a); -grp a c id a c d -1 1 a 1 1 a 1 -3 4 E 3 4 A 4 -3 5 C 3 5 B 5 -3 6 D 3 6 C 6 -select t1.*,t2.* from t1 natural join t2; -grp a c id a c d -1 1 a 1 1 a 1 -drop table t1,t2; -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); -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; -usr_id uniq_id increment usr2_id c_amount max -3 4 84676 NULL NULL NULL -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; -usr_id uniq_id increment usr2_id c_amount max -3 4 84676 NULL NULL NULL -INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes'); -INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes'); -ERROR 23000: Duplicate entry '2-3' for key 'PRIMARY' -INSERT INTO t2 VALUES (7,3,1000,2000,0,0,746294,937484,'yes'); -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; -usr_id uniq_id increment usr2_id c_amount max -3 4 84676 NULL NULL NULL -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; -usr_id uniq_id increment usr2_id c_amount max -3 4 84676 NULL NULL NULL -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; -usr_id uniq_id increment usr2_id c_amount max -3 4 84676 NULL NULL NULL -drop table t1,t2; -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); -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; -fill desc_larga_cat cred_total Grup Places PlacesOcupades -10360 asdfggfg 6.0 0 55 0 -10360 asdfggfg 6.0 12 333 0 -10360 asdfggfg 6.0 32767 7 0 -10360 asdfggfg 6.0 33 8 0 -10360 asdfggfg 6.0 45 10 0 -10360 asdfggfg 6.0 55 2 0 -10360 asdfggfg 6.0 7887 85 0 -10361 Components i Circuits Electronics I 6.0 30 2 0 -10361 Components i Circuits Electronics I 6.0 40 3 0 -10362 Laboratori d`Ordinadors 4.5 10 12 0 -10362 Laboratori d`Ordinadors 4.5 11 111 0 -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 ; -fill idPla -10360 NULL -10361 NULL -10362 NULL -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 ; -fill idPla -10360 1 -10361 NULL -10362 NULL -drop table t1,t2,t3,test.t4; -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); -name name id -Antonio Paz El Gato 1 -Antonio Paz Perrito 2 -Lilliana Angelovska NULL NULL -Thimble Smith Happy 3 -select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null; -name name id -Lilliana Angelovska NULL NULL -explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 -1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Not exists -explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.name is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 -1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where -select count(*) from t1 left join t2 on (t1.id = t2.owner); -count(*) -4 -select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner); -name name id -Antonio Paz El Gato 1 -Antonio Paz Perrito 2 -Lilliana Angelovska NULL NULL -Thimble Smith Happy 3 -select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null; -name name id -Lilliana Angelovska NULL NULL -explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 -1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Not exists -explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.name is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 -1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where -select count(*) from t2 right join t1 on (t1.id = t2.owner); -count(*) -4 -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; -name name id id -Antonio Paz El Gato 1 1 -Antonio Paz Perrito 2 1 -Lilliana Angelovska NULL NULL NULL -Thimble Smith Happy 3 3 -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; -name name id id -Antonio Paz El Gato 1 1 -Antonio Paz Perrito 2 1 -NULL NULL NULL 2 -Thimble Smith Happy 3 3 -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; -name name id owner id -Antonio Paz El Gato 1 1 1 -Antonio Paz Perrito 2 1 1 -NULL NULL NULL NULL 2 -Thimble Smith Happy 3 3 3 -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; -id str -3 foo -4 bar -select * from t1 where str is null; -id str -1 NULL -2 NULL -drop table t1; -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); -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; -ERROR 42S22: Unknown column 't2.t2_id' in 'on clause' -drop table t1,t2,t3,t4,t5; -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; -n m o n m o -1 2 11 1 2 3 -1 2 7 1 2 3 -1 2 9 1 2 3 -1 3 9 NULL NULL NULL -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; -n m o n m o -1 2 11 1 2 3 -1 2 7 1 2 3 -1 2 9 1 2 3 -1 3 9 NULL NULL NULL -drop table t1,t2; -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; -id2 -3 -SELECT t2.id2 FROM t2 NATURAL LEFT OUTER JOIN t1 WHERE id1 IS NULL; -id2 -3 -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; -color name -red apple -yellow banana -green lime -black grape -blue blueberry -select * from t2; -count color -10 green -5 black -15 white -7 green -select * from t2 natural join t1; -color count name -green 10 lime -green 7 lime -black 5 grape -select t2.count, t1.name from t2 natural join t1; -count name -10 lime -7 lime -5 grape -select t2.count, t1.name from t2 inner join t1 using (color); -count name -10 lime -7 lime -5 grape -drop table t1; -drop table t2; -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; -pcode count -kld2000 1 -klw1000 0 -klw1020 0 -klw1500 0 -klw2000 0 -klw2001 0 -klw2002 0 -klw2500 0 -kmw1000 0 -kmw1500 0 -kmw2000 0 -kmw2001 0 -kmw2100 0 -kmw3000 0 -kmw3200 0 -kvw2000 26 -kvw2001 0 -kvw3000 36 -kvw3001 0 -kvw3002 0 -kvw3500 26 -kvw3501 0 -kvw3502 0 -kvw3800 0 -kvw3801 0 -kvw3802 0 -kvw3900 0 -kvw3901 0 -kvw3902 0 -kvw4000 0 -kvw4001 0 -kvw4002 0 -kvw4200 0 -kvw4500 0 -kvw5000 0 -kvw5001 0 -kvw5500 0 -kvw5510 0 -kvw5600 0 -kvw5601 0 -kvw6000 2 -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; -pcode count -kld2000 1 -klw1000 0 -klw1020 0 -klw1500 0 -klw2000 0 -klw2001 0 -klw2002 0 -klw2500 0 -kmw1000 0 -kmw1500 0 -kmw2000 0 -kmw2001 0 -kmw2100 0 -kmw3000 0 -kmw3200 0 -kvw2000 26 -kvw2001 0 -kvw3000 36 -kvw3001 0 -kvw3002 0 -kvw3500 26 -kvw3501 0 -kvw3502 0 -kvw3800 0 -kvw3801 0 -kvw3802 0 -kvw3900 0 -kvw3901 0 -kvw3902 0 -kvw4000 0 -kvw4001 0 -kvw4002 0 -kvw4200 0 -kvw4500 0 -kvw5000 0 -kvw5001 0 -kvw5500 0 -kvw5510 0 -kvw5600 0 -kvw5601 0 -kvw6000 2 -drop table t1,t2; -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; -id pid rep_del id pid rep_del -1 NULL NULL 2 1 NULL -2 1 NULL NULL NULL 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; -id pid rep_del id pid rep_del -1 NULL NULL 2 1 NULL -2 1 NULL NULL NULL 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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 -1 SIMPLE t2 ref id id 4 test.t1.id 1 Using where; Using index; Not exists -SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL; -id name id idx -2 no NULL NULL -drop table t1,t2; -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); -bug_id reporter bug_id who -1 1 1 2 -drop table t1,t2; -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index NULL PRIMARY 4 NULL 3 Using index -1 SIMPLE t1 const PRIMARY PRIMARY 2 const 1 Using where; Using index -select * from t2 left join t1 on t1.fooID = t2.fooID and t1.fooID = 30; -fooID barID fooID -10 1 NULL -20 2 NULL -30 3 30 -select * from t2 left join t1 ignore index(primary) on t1.fooID = t2.fooID and t1.fooID = 30; -fooID barID fooID -10 1 NULL -20 2 NULL -30 3 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; -i -1 -2 -select * from t1 natural left join t2 where (t2.i is not null)=0; -i -1 -select * from t1 natural left join t2 where (t2.i is not null) is not null; -i -1 -2 -select * from t1 natural left join t2 where (i is not null)=0; -i -select * from t1 natural left join t2 where (i is not null) is not null; -i -1 -2 -drop table t1,t2,t3; -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); -f3 f2 f1 f4 f5 -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; -a1 a2 b1 b2 c1 c2 -1 2 1 3 NULL NULL -2 2 2 3 NULL NULL -3 2 NULL NULL 3 4 -explain select * from t1 left join t2 on b1 = a1 left join t3 on c1 = a1 and b1 is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 Using where -drop table t1, t2, t3; -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); -a b a -1 NULL NULL -2 NULL NULL -3 NULL NULL -4 NULL NULL -select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a); -a b a -1 NULL NULL -2 NULL NULL -3 NULL NULL -4 NULL NULL -drop table t1,t2; -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE s ALL NULL NULL NULL NULL 10 Using temporary; Using filesort -1 SIMPLE m const match_id,match_id_2 match_id 1 const 1 -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE s ALL NULL NULL NULL NULL 10 Using temporary; Using filesort -1 SIMPLE m const match_id,match_id_2 match_id 1 const 1 -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; -player_id match_1_h * match_id home UUX -8 12 * 1 2 10 -9 11 * 1 2 9 -10 10 * 1 2 8 -2 9 * 1 2 7 -6 8 * 1 2 6 -4 7 * 1 2 5 -5 6 * 1 2 4 -1 5 * 1 2 3 -7 4 * 1 2 2 -3 3 * 1 2 1 -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE s ALL NULL NULL NULL NULL 10 Using temporary; Using filesort -1 SIMPLE m const match_id,match_id_2 match_id 1 const 1 -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; -player_id match_1_h * match_id home UUX -8 12 * 1 2 10 -9 11 * 1 2 9 -10 10 * 1 2 8 -2 9 * 1 2 7 -6 8 * 1 2 6 -4 7 * 1 2 5 -5 6 * 1 2 4 -1 5 * 1 2 3 -7 4 * 1 2 2 -3 3 * 1 2 1 -drop table t1, t2; -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; -a b c -1 11 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; -flag_name flag_value -flag2 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 '%'); -id text_id text_data -1 0 0-SV -2 10 10-SV -DROP TABLE t1, t2; -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; -a1 a2 -1 NULL -EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON a1=0; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where -SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0; -a1 a2 a3 -1 NULL NULL -EXPLAIN SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 -SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1; -a0 a1 a2 a3 -1 1 NULL NULL -EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 system PRIMARY NULL NULL NULL 1 -1 SIMPLE t1 system PRIMARY NULL NULL NULL 1 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 -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; -a0 a1 a2 a3 -1 1 NULL NULL -EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=5 WHERE a0=a1 AND a0=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 const PRIMARY PRIMARY 4 const 1 Using index -1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 -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; -a b a b -1 1 1 1 -2 2 2 2 -NULL NULL 3 3 -select straight_join * from t2 right join t1 on t2.a=t1.a; -a b a b -1 1 1 1 -2 2 2 2 -NULL NULL 3 3 -DROP TABLE t0,t1,t2,t3; -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; -a b a b -1 1 1 2 -2 1 2 2 -3 1 NULL NULL -4 2 NULL NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE t1.b=1; -a b a b -1 1 1 2 -2 1 2 2 -3 1 NULL NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a -WHERE t1.b=1 XOR (NOT ISNULL(t2.a) AND t2.b=1); -a b a b -1 1 1 2 -2 1 2 2 -3 1 NULL NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE not(0+(t1.a=30 and t2.b=1)); -a b a b -1 1 1 2 -2 1 2 2 -3 1 NULL NULL -4 2 NULL NULL -DROP TABLE t1,t2; -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; -group_concat(t1.b,t2.c) -aaaaa -bbbbb -Warnings: -Warning 1260 Row 1 was cut by GROUP_CONCAT() -Warning 1260 Row 2 was cut by GROUP_CONCAT() -select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a; -group_concat(t1.b,t2.c) -aaaaa -bbbbb -Warnings: -Warning 1260 Row 1 was cut by GROUP_CONCAT() -Warning 1260 Row 2 was cut by GROUP_CONCAT() -select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by a; -group_concat(t1.b,t2.c) -aaaaa -bbbbb -Warnings: -Warning 1260 Row 1 was cut by GROUP_CONCAT() -Warning 1260 Row 2 was cut by GROUP_CONCAT() -select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by a; -group_concat(t1.b,t2.c) -aaaaa -bbbbb -Warnings: -Warning 1260 Row 1 was cut by GROUP_CONCAT() -Warning 1260 Row 2 was cut by GROUP_CONCAT() -drop table t1, t2; -set group_concat_max_len=default; -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 const PRIMARY PRIMARY 10 const,const,const 1 -1 SIMPLE t2 const PRIMARY,id PRIMARY 14 const,const,const,const 1 Using index -1 SIMPLE t3 const PRIMARY PRIMARY 3 const,const 1 -drop tables t1,t2,t3; -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; -EMPNUM NAME GRP -0 KERI 10 -9 BARRY NULL -SELECT * FROM v1 WHERE EMPNUM < 10; -EMPNUM NAME GRP -0 KERI 10 -9 BARRY NULL -DROP VIEW v1; -DROP TABLE t1,t2; -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; -c11 c21 -40 NULL -DROP TABLE t1, t2; -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; -a b a b -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a BETWEEN t2.b AND t1.b; -a b a b -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT BETWEEN t2.b AND t1.b); -a b a b -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b > t1.a OR t1.a > t1.b; -a b a b -2 1 NULL NULL -3 2 3 0 -4 3 4 1 -6 5 6 4 -8 7 NULL NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT BETWEEN t2.b AND t1.b; -a b a b -2 1 NULL NULL -3 2 3 0 -4 3 4 1 -6 5 6 4 -8 7 NULL NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a BETWEEN t2.b AND t1.b); -a b a b -2 1 NULL NULL -3 2 3 0 -4 3 4 1 -6 5 6 4 -8 7 NULL NULL -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; -a b a b -2 1 NULL NULL -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -8 7 NULL NULL -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); -a b a b -2 1 NULL NULL -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -8 7 NULL NULL -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); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -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); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b; -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT IN(t2.a, t2.b)); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a != t1.b AND t1.a != t2.b; -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT IN(t1.b, t2.b); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a IN(t1.b, t2.b)); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -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); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -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)); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -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; -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -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)); -a b a b -3 2 3 0 -4 3 4 1 -6 5 6 4 -7 8 7 5 -EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4 -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 -EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4 Using where -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 -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); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4 Using where -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1 -DROP TABLE t1,t2; -DROP VIEW IF EXISTS v1,v2; -DROP TABLE IF EXISTS t1,t2; -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; -a b -2 NULL -3 3 -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; -a b -2 NULL -3 3 -DROP VIEW v1,v2; -DROP TABLE t1,t2; -CREATE TABLE t1 (a int); -CREATE TABLE t2 (b int); -INSERT INTO t1 VALUES (1), (2), (3), (4); -INSERT INTO t2 VALUES (2), (3); -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1); -a b -1 NULL -2 2 -3 3 -4 NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1 OR 1); -a b -1 NULL -2 2 -3 3 -4 NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (0 OR 1); -a b -1 NULL -2 2 -3 3 -4 NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 2=2); -a b -1 NULL -2 2 -3 3 -4 NULL -SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 1=0); -a b -1 NULL -2 2 -3 3 -4 NULL -DROP TABLE t1,t2; -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'; -f1 f2 f3 -bla blah sheep -SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='bla'; -f1 f2 f3 -bla blah sheep -SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='Bla'; -f1 f2 f3 -bla blah sheep -DROP TABLE t1,t2; -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 -1 SIMPLE t2 ref idx idx 4 test.t1.id 2 Using where; Not exists -flush status; -SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL; -id a -1 aaaaaaa -4 ddddddd -show status like 'Handler_read%'; -Variable_name Value -Handler_read_first 0 -Handler_read_key 5 -Handler_read_last 0 -Handler_read_next 0 -Handler_read_prev 0 -Handler_read_retry 0 -Handler_read_rnd 0 -Handler_read_rnd_deleted 0 -Handler_read_rnd_next 6 -DROP TABLE t1,t2; -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 -1 SIMPLE t2 index NULL PRIMARY 4 NULL 3 Using where; Using index; Not exists -SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d IS NULL; -c e d -1 0 NULL -SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d<=>NULL; -c e d -1 0 NULL -DROP TABLE t1,t2; -# -# Bug#47650: using group by with rollup without indexes returns incorrect -# results with where -# -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 Using temporary; Using filesort -1 SIMPLE t2 ALL NULL NULL NULL NULL 5 Using where -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; -a COUNT( t2.b ) SUM( t2.b ) MAX( t2.b ) -1 3 6 3 -NULL 3 6 3 -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 -1 SIMPLE t2 ALL NULL NULL NULL NULL 5 Using where; Using filesort -SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) -FROM t1 JOIN t2 USING( a ) -GROUP BY t1.a WITH ROLLUP; -a COUNT( t2.b ) SUM( t2.b ) MAX( t2.b ) -1 3 6 3 -NULL 3 6 3 -DROP TABLE t1, t2; -# -# Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison -# -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)); -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00 -1 SIMPLE t2 system NULL NULL NULL NULL 1 100.00 -Warnings: -Note 1003 select 1 AS `f1`,NULL AS `f2`,3 AS `f3`,NULL AS `f1`,NULL AS `f2` from `test`.`t2` where 1 -SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2 -WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); -f1 f2 f3 f1 f2 -1 NULL 3 NULL NULL -DROP TABLE t1, t2; -# -# Bug#52357: Assertion failed: join->best_read in greedy_search -# optimizer_search_depth=0 -# -CREATE TABLE t1( a INT ); -INSERT INTO t1 VALUES (1),(2); -SET optimizer_search_depth = 0; -# 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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE tt1 ALL NULL NULL NULL NULL 2 -1 SIMPLE tt2 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt3 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt4 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt5 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt6 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt7 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt8 ALL NULL NULL NULL NULL 2 Using where -1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) -SET optimizer_search_depth = DEFAULT; -DROP TABLE t1; -# -# Bug#46091 STRAIGHT_JOIN + RIGHT JOIN returns different result -# -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; -COUNT(*) -476 -EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1 -RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE TA2 ALL NULL NULL NULL NULL 20 Using where -1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer (flat, BNL join) -1 SIMPLE TA1 ALL NULL NULL NULL NULL 2 Using where -DROP TABLE t1, t2; -# -# Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990 -# -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using index -1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index -1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -Warnings: -Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(`test`.`jt6`.`f1` <> 0 and 1)) on(1) where 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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using index -1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index -1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index -Warnings: -Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(`test`.`jt6`.`f1` <> 0 and 1) left join `test`.`t1` `jt1` on(1) where 1 -DROP TABLE t1; -# -# Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field -# -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system PRIMARY NULL NULL NULL 1 Using temporary; Using filesort -1 SIMPLE t2 ref PRIMARY PRIMARY 4 const 1 Using index -SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 -WHERE t1.f1 = 4 -GROUP BY t2.f1, t2.f2; -f1 f1 f2 -4 NULL NULL -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system PRIMARY NULL NULL NULL 1 -1 SIMPLE t2 ref PRIMARY PRIMARY 4 const 1 Using where; Using index; Using filesort -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; -f1 f1 f2 -DROP TABLE t1,t2; -# -# Bug#57034 incorrect OUTER JOIN result when joined on unique key -# -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 -1 SIMPLE t2 const col_int_unique col_int_unique 5 const 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; -pk col_int col_int_unique pk col_int col_int_unique -1 NULL 2 NULL NULL NULL -DROP TABLE t1,t2; -# -# Bug#48046 Server incorrectly processing JOINs on NULL values -# -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; -field1 pk -18:27:58 NULL -DROP TABLE BB; -# -# Bug#49600 Server incorrectly processing RIGHT JOIN with -# constant WHERE clause and no index -# -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; -col_datetime_key -NULL -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; -col_datetime_key -NULL -DROP TABLE BB; -# -# Bug#58490: Incorrect result in multi level OUTER JOIN -# in combination with IS NULL -# -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) ; -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 -; -i i i i -0 0 0 0 -2 NULL NULL NULL -3 3 NULL NULL -4 4 4 NULL -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; -i i i i -2 NULL NULL NULL -3 3 NULL NULL -4 4 4 NULL -SELECT * FROM -t1 LEFT JOIN -( ( t2 LEFT JOIN -t3 -ON t3.i = t2.i -) -) -ON t2.i = t1.i -WHERE t3.i IS NULL; -i i i -2 NULL NULL -3 3 NULL -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; -i i i i -2 NULL NULL NULL -3 3 NULL 3 -4 NULL NULL NULL -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; -i i i i i -2 NULL NULL NULL NULL -3 3 NULL 3 3 -4 NULL NULL NULL NULL -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; -i i i i i -2 NULL NULL NULL NULL -3 3 NULL 3 0 -3 3 NULL 3 1 -3 3 NULL 3 2 -3 3 NULL 3 3 -4 NULL NULL NULL NULL -DROP TABLE t1,t2,t3,t4; -# -# Bug#49322(Duplicate): Server is adding extra NULL row -# on processing a WHERE clause -# -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); -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; -pk -2 -2 -4 -4 -NULL -NULL -NULL -NULL -NULL -NULL -NULL -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; -pk -NULL -NULL -NULL -NULL -NULL -NULL -NULL -DROP TABLE h,m,k; - -# BUG#12567331 - INFINITE LOOP WHEN RESOLVING AN ALIASED COLUMN -# USED IN GROUP BY - -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; -field1 -execute prep_stmt_9846; -field1 -drop table t1,t2; -# -# Bug #11765810 58813: SERVER THREAD HANGS WHEN JOIN + WHERE + GROUP BY -# IS EXECUTED TWICE FROM P -# -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; -f -1 -EXECUTE prep_stmt; -f -1 -DROP TABLE t1; -# -# Bug#49600: outer join of two single-row tables with joining attributes -# 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; -a b a b -1 NULL NULL NULL -select * from t1 left join t2 on t1.b=t2.b where 1=1; -a b a b -1 NULL NULL NULL -drop table t1,t2; -# -# Bug#53161: outer join in the derived table is erroneously converted -# into an inner join for a query with a group by clause -# -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using index; Using temporary; Using filesort -1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where; Using index -2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where; Using index -2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using index -Warnings: -Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1 -Note 1003 /* select#1 */ select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((/* select#2 */ select `test`.`t3`.`pk` + if(`test`.`t4`.`pk` is null,0,`test`.`t4`.`pk`) from `test`.`t3` left join `test`.`t4` on(`test`.`t4`.`pk` = `test`.`t3`.`pk`) where `test`.`t3`.`pk` = `test`.`t2`.`pk` + 1000 limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`pk` + 1000 and `test`.`t1`.`pk` > 1000 group by `test`.`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; -pk t -2001 3001 -drop table t1,t2,t3,t4; -# -# Bug#57024: Poor performance when conjunctive condition over the outer -# table is used in the on condition of an outer join -# -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; -Table Op Msg_type Msg_text -test.t1 analyze status OK -test.t2 analyze status OK -test.t3 analyze status OK -flush status; -select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null; -sum(t3.b) -1006 -show status like "handler_read%"; -Variable_name Value -Handler_read_first 0 -Handler_read_key 4 -Handler_read_last 0 -Handler_read_next 5 -Handler_read_prev 0 -Handler_read_retry 0 -Handler_read_rnd 0 -Handler_read_rnd_deleted 0 -Handler_read_rnd_next 1048581 -flush status; -select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10; -sum(t3.b) -1006 -show status like "handler_read%"; -Variable_name Value -Handler_read_first 0 -Handler_read_key 4 -Handler_read_last 0 -Handler_read_next 5 -Handler_read_prev 0 -Handler_read_retry 0 -Handler_read_rnd 0 -Handler_read_rnd_deleted 0 -Handler_read_rnd_next 1048581 -drop table t1,t2,t3; -# -# Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field -# -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system PRIMARY NULL NULL NULL 1 Using temporary; Using filesort -1 SIMPLE t2 ref PRIMARY PRIMARY 4 const 1 Using index -SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 -WHERE t1.f1 = 4 -GROUP BY t2.f1, t2.f2; -f1 f1 f2 -4 NULL NULL -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 system PRIMARY NULL NULL NULL 1 -1 SIMPLE t2 ref PRIMARY PRIMARY 4 const 1 Using where; Using index; Using filesort -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; -f1 f1 f2 -DROP TABLE t1,t2; -# -# Bug#13068506 - QUERY WITH GROUP BY ON NON-AGGR COLUMN RETURNS -# WRONG RESULT -# -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); - -SELECT ( -SELECT MAX( t2.i2 ) -FROM t3 RIGHT JOIN t2 ON ( t2.i3 = 2 ) -WHERE t2.i3 <> t1.i1 -) AS field1 -FROM t1;; -field1 -20 -20 - -SELECT ( -SELECT MAX( t2.i2 ) -FROM t3 RIGHT JOIN t2 ON ( t2.i3 = 2 ) -WHERE t2.i3 <> t1.i1 -) AS field1 -FROM t1 GROUP BY field1;; -field1 -20 - -drop table t1,t2,t3; -# End of test for Bug#13068506 -End of 5.1 tests -# -# LP BUG#994392: Wrong result with RIGHT/LEFT JOIN and ALL subquery -# predicate in WHERE condition. -# -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); -b c -NULL 3 -SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b < ALL(SELECT a FROM t1 WHERE a <= 7); -c b -3 NULL -SELECT * FROM t2 RIGHT JOIN t3 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7); -b c -NULL 3 -SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7); -c b -3 NULL -drop table t1,t2,t3; -End of 5.2 tests -# -# LP bug #813447: LEFT JOIN with single-row inner table and -# a subquery in ON expression -# -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); -a -NULL -EXPLAIN EXTENDED -SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3); -id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 -1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 -2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 /* select#1 */ select NULL AS `a` from `test`.`t2` where 1 -DROP TABLE t1,t2,t3; -# -# LP bug #817384 Wrong result with outer join + subquery in ON -# clause +unique key -# -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); -id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 system NULL NULL NULL NULL 1 -1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 const 1 Using where -2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where -SELECT t2.b -FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3); -b -NULL -EXPLAIN SELECT t2.b -FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1; -id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 system NULL NULL NULL NULL 1 -1 PRIMARY t2 const PRIMARY PRIMARY 4 const 1 Using where -2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where -SELECT t2.b -FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1; -b -NULL -DROP TABLE t1,t2,t3; -# -# lp:825035 second execution of PS with outer join -# -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; -a a -1 NULL -2 NULL -3 NULL -4 NULL -EXECUTE stmt; -a a -1 NULL -2 NULL -3 NULL -4 NULL -DEALLOCATE PREPARE stmt; -DROP TABLE t1,t2; -# -# lp:838633 second execution of PS with outer join -# converted to inner join -# -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t3 hash_ALL PRIMARY #hash#PRIMARY 4 test.t1.b 10 10.00 Using join buffer (flat, BNLH join) -1 SIMPLE t2 hash_index PRIMARY #hash#PRIMARY:PRIMARY 4:4 test.t1.b 27 3.70 Using index; Using join buffer (incremental, BNLH join) -Warnings: -Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b` from `test`.`t2` join `test`.`t1` join `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`b` and `test`.`t2`.`b` = `test`.`t1`.`b` -PREPARE stmt FROM -'SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b'; -EXECUTE stmt; -b b a b -10 10 0 10 -EXECUTE stmt; -b b a b -10 10 0 10 -DEALLOCATE PREPARE stmt; -SET SESSION join_cache_level=default; -DROP TABLE t1,t2,t3; -# -# LP bug #943543: LEFT JOIN converted to JOIN with -# ORed IS NULL(primary key) in WHERE clause -# -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 100.00 -1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 100.00 Using index -Warnings: -Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where 1 order by 5 -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; -pk -5 -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 const PRIMARY,idx PRIMARY 4 const 1 100.00 -1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 100.00 Using index -Warnings: -Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where 1 order by 5 -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; -pk -5 -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ref idx idx 4 const 2 100.00 Using where -1 SIMPLE t2 ref c c 5 test.t1.a 2 100.00 -Warnings: -Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2` join `test`.`t1` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`b` = 5 order by `test`.`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; -b c d -5 8 88 -5 8 81 -5 8 88 -5 8 81 -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ref PRIMARY,idx idx 4 const 2 100.00 Using where -1 SIMPLE t2 ref c c 5 test.t1.a 2 100.00 -Warnings: -Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2` join `test`.`t1` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`b` = 5 order by `test`.`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; -b c d -5 8 88 -5 8 81 -5 8 88 -5 8 81 -DROP TABLE t1,t2; -# -# Bug mdev-4336: LEFT JOIN with disjunctive -# <non-nullable datetime field> IS NULL in WHERE -# causes a hang and eventual crash -# -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; -id modified -DROP TABLE t1; -# -# MDEV-4817: Optimizer fails to optimize expression of the form 'FOO' IS NULL -# -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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 Using index -explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 Using index -explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo' or t0.person_id='bar'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 Using index -drop table t0, t1; -# -# MDEV-4836: Wrong result on <not null date column> IS NULL (old documented hack stopped working) -# (this is a regression after fix for MDEV-4817) -# -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; -id d i -1 0000-00-00 NULL -2 0000-00-00 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; -i1 d1 i2 j2 -2 0000-00-00 NULL NULL -DROP TABLE t1,t2; -# 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; -i1 i2 a b -SELECT * FROM t1 LEFT JOIN t2 ON i1 = i2 WHERE a < b; -i1 i2 a b -drop view v2; -drop table t1,t2; -# -# Bug mdev-4942: LEFT JOIN with conjunctive -# <non-nullable datetime field> IS NULL in WHERE -# causes an assert failure -# -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; -i1 d1 i2 d2 -DROP TABLE t1,t2; -# -# Bug mdev-4952: LEFT JOIN with disjunctive -# <non-nullable datetime field> IS NULL in WHERE -# causes an assert failure -# -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; -a1 b1 dt a2 b2 -DROP TABLE t1,t2; -# -# Bug mdev-4962: nested outer join with -# <non-nullable datetime field> IS NULL in WHERE -# causes an assert failure -# -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; -i1 i2 i3 d3 -1 NULL NULL NULL -2 NULL NULL NULL -EXPLAIN EXTENDED -SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON i2 = i3 ON i1 = i3 -WHERE d3 IS NULL; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select `test`.`t1`.`i1` AS `i1`,`test`.`t2`.`i2` AS `i2`,`test`.`t3`.`i3` AS `i3`,`test`.`t3`.`d3` AS `d3` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(`test`.`t2`.`i2` = `test`.`t1`.`i1` and `test`.`t3`.`i3` = `test`.`t1`.`i1`) where `test`.`t3`.`d3` = 0 or `test`.`t3`.`d3` is null -DROP TABLE t1,t2,t3; -# -# Bug mdev-6705: wrong on expression after constant row substitution -# that triggers a simplification of WHERE condition -# -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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select 10 AS `a`,8 AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t3`.`d` AS `d` from `test`.`t2` left join `test`.`t3` on(`test`.`t3`.`d` = 10) where `test`.`t2`.`c` = 8 and `test`.`t3`.`d` = 8 -SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a -WHERE b IN (1,2,3) OR b = d; -a b c d -DROP TABLE t1,t2,t3; -# -# MDEV-6634: Wrong estimates for ref(const) and key IS NULL predicate -# -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; -# 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; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref b b 5 const 780 Using index condition -explain select * from t2 force index (c) where c is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref c c 5 const 393 Using index condition -explain select * from t1 left join t2 on t2.b is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 9 -1 SIMPLE t2 ref b b 5 const 780 Using where -explain select * from t1 left join t2 on t2.c is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 9 -1 SIMPLE t2 ref c c 5 const 393 Using where -drop table t1,t2; -# -# MDEV-10006: optimizer doesn't convert outer join to inner on views with WHERE clause -# -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); -# 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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t3 ref PRIMARY,v3 v3 5 const 1 100.00 -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.i3 1 100.00 -1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t3.i3 1 100.00 -Warnings: -Note 1003 select `test`.`t1`.`i1` AS `i1`,`test`.`t1`.`v1` AS `v1`,`test`.`t2`.`i2` AS `i2`,`test`.`t2`.`v2` AS `v2`,`test`.`t3`.`i3` AS `i3`,`test`.`t3`.`v3` AS `v3` from `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t3`.`v3` = 4 and `test`.`t1`.`i1` = `test`.`t3`.`i3` and `test`.`t2`.`i2` = `test`.`t3`.`i3` -# 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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t3 ref PRIMARY,v3 v3 5 const 1 100.00 -1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.i3 1 100.00 -1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t3.i3 1 100.00 -Warnings: -Note 1003 select `test`.`t1`.`i1` AS `i1`,`test`.`t1`.`v1` AS `v1`,`test`.`t2`.`i2` AS `i2`,`test`.`t2`.`v2` AS `v2`,`test`.`t3`.`i3` AS `i3`,`test`.`t3`.`v3` AS `v3` from `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t3`.`v3` = 4 and `test`.`t1`.`i1` = `test`.`t3`.`i3` and `test`.`t2`.`i2` = `test`.`t3`.`i3` -drop table t1,t2,t3; -# -# MDEV-11958: LEFT JOIN with stored routine produces incorrect result -# -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; -x x IFNULL(t2.x,0) f(t2.x,0) -NULL NULL 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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select `test`.`t1`.`x` AS `x`,`test`.`t2`.`x` AS `x`,ifnull(`test`.`t2`.`x`,0) AS `IFNULL(t2.x,0)`,`f`(`test`.`t2`.`x`,0) AS `f(t2.x,0)` from `test`.`t` `t1` left join `test`.`t` `t2` on(`test`.`t2`.`x` = `test`.`t1`.`x`) where ifnull(`test`.`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; -x x IFNULL(t2.x,0) f(t2.x,0) -NULL NULL 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; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select `test`.`t1`.`x` AS `x`,`test`.`t2`.`x` AS `x`,ifnull(`test`.`t2`.`x`,0) AS `IFNULL(t2.x,0)`,`f`(`test`.`t2`.`x`,0) AS `f(t2.x,0)` from `test`.`t` `t1` left join `test`.`t` `t2` on(`test`.`t2`.`x` = `test`.`t1`.`x`) where `f`(`test`.`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); -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 | -SELECT t1.col1, t2.col1, t2.col3 -FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 -WHERE IFNULL(t2.col3,0) = 0; -col1 col1 col3 -2.00000 NULL NULL -2.00000 NULL NULL -EXPLAIN EXTENDED SELECT t1.col1, t2.col1, t2.col3 -FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 -WHERE IFNULL(t2.col3,0) = 0; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select `test`.`t1`.`col1` AS `col1`,`test`.`t2`.`col1` AS `col1`,`test`.`t2`.`col3` AS `col3` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`col2` = `test`.`t1`.`col1`) where ifnull(`test`.`t2`.`col3`,0) = 0 -SELECT t1.col1, t2.col1, t2.col3 -FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 -WHERE f1(t2.col3,0) = 0; -col1 col1 col3 -2.00000 NULL NULL -2.00000 NULL NULL -EXPLAIN EXTENDED SELECT t1.col1, t2.col1, t2.col3 -FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 -WHERE f1(t2.col3,0) = 0; -id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where -Warnings: -Note 1003 select `test`.`t1`.`col1` AS `col1`,`test`.`t2`.`col1` AS `col1`,`test`.`t2`.`col3` AS `col3` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`col2` = `test`.`t1`.`col1`) where `f1`(`test`.`t2`.`col3`,0) = 0 -DROP FUNCTION f1; -DROP TABLE t1,t2; -# -# MDEV-10397: Server crashes in key_copy with join_cache_level > 2 and join on BIT fields -# -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; -t1.b1+'0' t2.b2 + '0' -0 0 -1 1 -DROP TABLE t1, t2; -set @join_cache_level= @save_join_cache_level; -# -# MDEV-14779: using left join causes incorrect results with materialization and derived tables -# -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 ; -id sid id -1 NULL NULL -2 NULL NULL -drop table t1, t2; -# end of 5.5 tests -SET optimizer_switch=@save_optimizer_switch; |