diff options
Diffstat (limited to 'mysql-test/main/join_outer.test')
| -rw-r--r-- | mysql-test/main/join_outer.test | 1997 |
1 files changed, 1997 insertions, 0 deletions
diff --git a/mysql-test/main/join_outer.test b/mysql-test/main/join_outer.test new file mode 100644 index 00000000000..34b0551a32e --- /dev/null +++ b/mysql-test/main/join_outer.test @@ -0,0 +1,1997 @@ +--source include/long_test.inc + +# +# test of left outer join +# + +--disable_warnings +drop table if exists t0,t1,t2,t3,t4,t5; +--enable_warnings + +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch=ifnull(@optimizer_switch_for_join_outer_test,'outer_join_with_cache=off'); +if (`select @join_cache_level_for_join_outer_test is null`) +{ + set join_cache_level=1; +} +if (`select @join_cache_level_for_join_outer_test is not null`) +{ + set join_cache_level=@join_cache_level_for_join_outer_test; +} + +CREATE TABLE t1 ( + grp int(11) default NULL, + a bigint(20) unsigned default NULL, + c char(10) NOT NULL default '' +) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1,1,'a'),(2,2,'b'),(2,3,'c'),(3,4,'E'),(3,5,'C'),(3,6,'D'),(NULL,NULL,''); +create table t2 (id int, a bigint unsigned not null, c char(10), d int, primary key (a)); +insert into t2 values (1,1,"a",1),(3,4,"A",4),(3,5,"B",5),(3,6,"C",6),(4,7,"D",7); + +select t1.*,t2.* from t1 JOIN t2 where t1.a=t2.a; +select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) order by t1.grp,t1.a,t2.c; +select t1.*,t2.* from { oj t2 left outer join t1 on (t1.a=t2.a) }; +select t1.*,t2.* from t1 as t0,{ oj t2 left outer join t1 on (t1.a=t2.a) } WHERE t0.a=2; +--sorted_result +select t1.*,t2.* from t1 left join t2 using (a); +select t1.*,t2.* from t1 left join t2 using (a) where t1.a=t2.a; +select t1.*,t2.* from t1 left join t2 using (a,c); +--sorted_result +select t1.*,t2.* from t1 left join t2 using (c); +select t1.*,t2.* from t1 natural left outer join t2; + +select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id=3; +select t1.*,t2.* from t1 left join t2 on (t1.a=t2.a) where t2.id is null; + +explain select t1.*,t2.* from t1,t2 where t1.a=t2.a and isnull(t2.a)=1; +explain select t1.*,t2.* from t1 left join t2 on t1.a=t2.a where isnull(t2.a)=1; + +--sorted_result +select t1.*,t2.*,t3.a from t1 left join t2 on (t1.a=t2.a) left join t1 as t3 on (t2.a=t3.a); + +# The next query should rearange the left joins to get this to work +--error 1054 +explain select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t1.a=t3.a); +--error 1054 +select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t1.a=t3.a); + +# The next query should give an error in MySQL +--error 1054 +select t1.*,t2.*,t3.a from t1 left join t2 on (t3.a=t2.a) left join t1 as t3 on (t2.a=t3.a); + +# Test of inner join +select t1.*,t2.* from t1 inner join t2 using (a); +select t1.*,t2.* from t1 inner join t2 on (t1.a=t2.a); +select t1.*,t2.* from t1 natural join t2; + +drop table t1,t2; + +# +# Test of left join bug +# + +CREATE TABLE t1 ( + usr_id INT unsigned NOT NULL, + uniq_id INT unsigned NOT NULL AUTO_INCREMENT, + start_num INT unsigned NOT NULL DEFAULT 1, + increment INT unsigned NOT NULL DEFAULT 1, + PRIMARY KEY (uniq_id), + INDEX usr_uniq_idx (usr_id, uniq_id), + INDEX uniq_usr_idx (uniq_id, usr_id) +); +CREATE TABLE t2 ( + id INT unsigned NOT NULL DEFAULT 0, + usr2_id INT unsigned NOT NULL DEFAULT 0, + max INT unsigned NOT NULL DEFAULT 0, + c_amount INT unsigned NOT NULL DEFAULT 0, + d_max INT unsigned NOT NULL DEFAULT 0, + d_num INT unsigned NOT NULL DEFAULT 0, + orig_time INT unsigned NOT NULL DEFAULT 0, + c_time INT unsigned NOT NULL DEFAULT 0, + active ENUM ("no","yes") NOT NULL, + PRIMARY KEY (id,usr2_id), + INDEX id_idx (id), + INDEX usr2_idx (usr2_id) +); +INSERT INTO t1 VALUES (3,NULL,0,50),(3,NULL,0,200),(3,NULL,0,25),(3,NULL,0,84676),(3,NULL,0,235),(3,NULL,0,10),(3,NULL,0,3098),(3,NULL,0,2947),(3,NULL,0,8987),(3,NULL,0,8347654),(3,NULL,0,20398),(3,NULL,0,8976),(3,NULL,0,500),(3,NULL,0,198); + +#1st select shows that one record is returned with null entries for the right +#table, when selecting on an id that does not exist in the right table t2 +SELECT t1.usr_id,t1.uniq_id,t1.increment, +t2.usr2_id,t2.c_amount,t2.max +FROM t1 +LEFT JOIN t2 ON t2.id = t1.uniq_id +WHERE t1.uniq_id = 4 +ORDER BY t2.c_amount; + +# The same with RIGHT JOIN +SELECT t1.usr_id,t1.uniq_id,t1.increment, +t2.usr2_id,t2.c_amount,t2.max +FROM t2 +RIGHT JOIN t1 ON t2.id = t1.uniq_id +WHERE t1.uniq_id = 4 +ORDER BY t2.c_amount; + +INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes'); +--error ER_DUP_ENTRY +INSERT INTO t2 VALUES (2,3,3000,6000,0,0,746584,837484,'yes'); +INSERT INTO t2 VALUES (7,3,1000,2000,0,0,746294,937484,'yes'); + +#3rd select should show that one record is returned with null entries for the +# right table, when selecting on an id that does not exist in the right table +# t2 but this select returns an empty set!!!! +SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4 ORDER BY t2.c_amount; +SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4 GROUP BY t2.c_amount; +# Removing the ORDER BY works: +SELECT t1.usr_id,t1.uniq_id,t1.increment,t2.usr2_id,t2.c_amount,t2.max FROM t1 LEFT JOIN t2 ON t2.id = t1.uniq_id WHERE t1.uniq_id = 4; + +drop table t1,t2; + +# +# Test of LEFT JOIN with const tables (failed for frankie@etsetb.upc.es) +# + +CREATE TABLE t1 ( + cod_asig int(11) DEFAULT '0' NOT NULL, + desc_larga_cat varchar(80) DEFAULT '' NOT NULL, + desc_larga_cas varchar(80) DEFAULT '' NOT NULL, + desc_corta_cat varchar(40) DEFAULT '' NOT NULL, + desc_corta_cas varchar(40) DEFAULT '' NOT NULL, + cred_total double(3,1) DEFAULT '0.0' NOT NULL, + pre_requisit int(11), + co_requisit int(11), + preco_requisit int(11), + PRIMARY KEY (cod_asig) +); + +INSERT INTO t1 VALUES (10360,'asdfggfg','Introduccion a los Ordenadores I','asdfggfg','Introduccio Ordinadors I',6.0,NULL,NULL,NULL); +INSERT INTO t1 VALUES (10361,'Components i Circuits Electronics I','Componentes y Circuitos Electronicos I','Components i Circuits Electronics I','Comp. i Circ. Electr. I',6.0,NULL,NULL,NULL); +INSERT INTO t1 VALUES (10362,'Laboratori d`Ordinadors','Laboratorio de Ordenadores','Laboratori d`Ordinadors','Laboratori Ordinadors',4.5,NULL,NULL,NULL); +INSERT INTO t1 VALUES (10363,'Tecniques de Comunicacio Oral i Escrita','Tecnicas de Comunicacion Oral y Escrita','Tecniques de Comunicacio Oral i Escrita','Tec. Com. Oral i Escrita',4.5,NULL,NULL,NULL); +INSERT INTO t1 VALUES (11403,'Projecte Fi de Carrera','Proyecto Fin de Carrera','Projecte Fi de Carrera','PFC',9.0,NULL,NULL,NULL); +INSERT INTO t1 VALUES (11404,'+lgebra lineal','Algebra lineal','+lgebra lineal','+lgebra lineal',15.0,NULL,NULL,NULL); +INSERT INTO t1 VALUES (11405,'+lgebra lineal','Algebra lineal','+lgebra lineal','+lgebra lineal',18.0,NULL,NULL,NULL); +INSERT INTO t1 VALUES (11406,'Calcul Infinitesimal','Cßlculo Infinitesimal','Calcul Infinitesimal','Calcul Infinitesimal',15.0,NULL,NULL,NULL); + +CREATE TABLE t2 ( + idAssignatura int(11) DEFAULT '0' NOT NULL, + Grup int(11) DEFAULT '0' NOT NULL, + Places smallint(6) DEFAULT '0' NOT NULL, + PlacesOcupades int(11) DEFAULT '0', + PRIMARY KEY (idAssignatura,Grup) +); + + +INSERT INTO t2 VALUES (10360,12,333,0); +INSERT INTO t2 VALUES (10361,30,2,0); +INSERT INTO t2 VALUES (10361,40,3,0); +INSERT INTO t2 VALUES (10360,45,10,0); +INSERT INTO t2 VALUES (10362,10,12,0); +INSERT INTO t2 VALUES (10360,55,2,0); +INSERT INTO t2 VALUES (10360,70,0,0); +INSERT INTO t2 VALUES (10360,565656,0,0); +INSERT INTO t2 VALUES (10360,32767,7,0); +INSERT INTO t2 VALUES (10360,33,8,0); +INSERT INTO t2 VALUES (10360,7887,85,0); +INSERT INTO t2 VALUES (11405,88,8,0); +INSERT INTO t2 VALUES (10360,0,55,0); +INSERT INTO t2 VALUES (10360,99,0,0); +INSERT INTO t2 VALUES (11411,30,10,0); +INSERT INTO t2 VALUES (11404,0,0,0); +INSERT INTO t2 VALUES (10362,11,111,0); +INSERT INTO t2 VALUES (10363,33,333,0); +INSERT INTO t2 VALUES (11412,55,0,0); +INSERT INTO t2 VALUES (50003,66,6,0); +INSERT INTO t2 VALUES (11403,5,0,0); +INSERT INTO t2 VALUES (11406,11,11,0); +INSERT INTO t2 VALUES (11410,11410,131,0); +INSERT INTO t2 VALUES (11416,11416,32767,0); +INSERT INTO t2 VALUES (11409,0,0,0); + +CREATE TABLE t3 ( + id int(11) NOT NULL auto_increment, + dni_pasaporte char(16) DEFAULT '' NOT NULL, + idPla int(11) DEFAULT '0' NOT NULL, + cod_asig int(11) DEFAULT '0' NOT NULL, + any smallint(6) DEFAULT '0' NOT NULL, + quatrimestre smallint(6) DEFAULT '0' NOT NULL, + estat char(1) DEFAULT 'M' NOT NULL, + PRIMARY KEY (id), + UNIQUE dni_pasaporte (dni_pasaporte,idPla), + UNIQUE dni_pasaporte_2 (dni_pasaporte,idPla,cod_asig,any,quatrimestre) +); + +INSERT INTO t3 VALUES (1,'11111111',1,10362,98,1,'M'); + +CREATE TABLE t4 ( + id int(11) NOT NULL auto_increment, + papa int(11) DEFAULT '0' NOT NULL, + fill int(11) DEFAULT '0' NOT NULL, + idPla int(11) DEFAULT '0' NOT NULL, + PRIMARY KEY (id), + KEY papa (idPla,papa), + UNIQUE papa_2 (idPla,papa,fill) +); + +INSERT INTO t4 VALUES (1,-1,10360,1); +INSERT INTO t4 VALUES (2,-1,10361,1); +INSERT INTO t4 VALUES (3,-1,10362,1); + +--sorted_result +SELECT DISTINCT fill,desc_larga_cat,cred_total,Grup,Places,PlacesOcupades FROM t4 LEFT JOIN t3 ON t3.cod_asig=fill AND estat='S' AND dni_pasaporte='11111111' AND t3.idPla=1 , t2,t1 WHERE fill=t1.cod_asig AND Places>PlacesOcupades AND fill=idAssignatura AND t4.idPla=1 AND papa=-1; + +SELECT DISTINCT fill,t3.idPla FROM t4 LEFT JOIN t3 ON t3.cod_asig=t4.fill AND t3.estat='S' AND t3.dni_pasaporte='1234' AND t3.idPla=1 ; + +INSERT INTO t3 VALUES (3,'1234',1,10360,98,1,'S'); +SELECT DISTINCT fill,t3.idPla FROM t4 LEFT JOIN t3 ON t3.cod_asig=t4.fill AND t3.estat='S' AND t3.dni_pasaporte='1234' AND t3.idPla=1 ; + +drop table t1,t2,t3,test.t4; + +# +# Test of IS NULL on AUTO_INCREMENT with LEFT JOIN +# + +CREATE TABLE t1 ( + id smallint(5) unsigned NOT NULL auto_increment, + name char(60) DEFAULT '' NOT NULL, + PRIMARY KEY (id) +); +INSERT INTO t1 VALUES (1,'Antonio Paz'); +INSERT INTO t1 VALUES (2,'Lilliana Angelovska'); +INSERT INTO t1 VALUES (3,'Thimble Smith'); + +CREATE TABLE t2 ( + id smallint(5) unsigned NOT NULL auto_increment, + owner smallint(5) unsigned DEFAULT '0' NOT NULL, + name char(60), + PRIMARY KEY (id) +); +INSERT INTO t2 VALUES (1,1,'El Gato'); +INSERT INTO t2 VALUES (2,1,'Perrito'); +INSERT INTO t2 VALUES (3,3,'Happy'); + +--sorted_result +select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner); +select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null; +explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.id is null; +explain select t1.name, t2.name, t2.id from t1 left join t2 on (t1.id = t2.owner) where t2.name is null; +select count(*) from t1 left join t2 on (t1.id = t2.owner); + +--sorted_result +select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner); +select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null; +explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.id is null; +explain select t1.name, t2.name, t2.id from t2 right join t1 on (t1.id = t2.owner) where t2.name is null; +select count(*) from t2 right join t1 on (t1.id = t2.owner); + +--sorted_result +select t1.name, t2.name, t2.id,t3.id from t2 right join t1 on (t1.id = t2.owner) left join t1 as t3 on t3.id=t2.owner; +--sorted_result +select t1.name, t2.name, t2.id,t3.id from t1 right join t2 on (t1.id = t2.owner) right join t1 as t3 on t3.id=t2.owner; +--sorted_result +select t1.name, t2.name, t2.id, t2.owner, t3.id from t1 left join t2 on (t1.id = t2.owner) right join t1 as t3 on t3.id=t2.owner; + +drop table t1,t2; + +create table t1 (id int not null, str char(10), index(str)); +insert into t1 values (1, null), (2, null), (3, "foo"), (4, "bar"); +select * from t1 where str is not null order by id; +select * from t1 where str is null; +drop table t1; + +# +# Test wrong LEFT JOIN query +# + +CREATE TABLE t1 ( + t1_id bigint(21) NOT NULL auto_increment, + PRIMARY KEY (t1_id) +); +CREATE TABLE t2 ( + t2_id bigint(21) NOT NULL auto_increment, + PRIMARY KEY (t2_id) +); +CREATE TABLE t3 ( + t3_id bigint(21) NOT NULL auto_increment, + PRIMARY KEY (t3_id) +); +CREATE TABLE t4 ( + seq_0_id bigint(21) DEFAULT '0' NOT NULL, + seq_1_id bigint(21) DEFAULT '0' NOT NULL, + KEY seq_0_id (seq_0_id), + KEY seq_1_id (seq_1_id) +); +CREATE TABLE t5 ( + seq_0_id bigint(21) DEFAULT '0' NOT NULL, + seq_1_id bigint(21) DEFAULT '0' NOT NULL, + KEY seq_1_id (seq_1_id), + KEY seq_0_id (seq_0_id) +); + +insert into t1 values (1); +insert into t2 values (1); +insert into t3 values (1); +insert into t4 values (1,1); +insert into t5 values (1,1); + +--error 1054 +explain select * from t3 left join t4 on t4.seq_1_id = t2.t2_id left join t1 on t1.t1_id = t4.seq_0_id left join t5 on t5.seq_0_id = t1.t1_id left join t2 on t2.t2_id = t5.seq_1_id where t3.t3_id = 23; + +drop table t1,t2,t3,t4,t5; + +# +# Another LEFT JOIN problem +# (The problem was that the result changed when we added ORDER BY) +# + +create table t1 (n int, m int, o int, key(n)); +create table t2 (n int not null, m int, o int, primary key(n)); +insert into t1 values (1, 2, 11), (1, 2, 7), (2, 2, 8), (1,2,9),(1,3,9); +insert into t2 values (1, 2, 3),(2, 2, 8), (4,3,9),(3,2,10); +select t1.*, t2.* from t1 left join t2 on t1.n = t2.n and +t1.m = t2.m where t1.n = 1; +--sorted_result +select t1.*, t2.* from t1 left join t2 on t1.n = t2.n and +t1.m = t2.m where t1.n = 1 order by t1.o; +drop table t1,t2; + +# Test bug with NATURAL join: + +CREATE TABLE t1 (id1 INT NOT NULL PRIMARY KEY, dat1 CHAR(1), id2 INT); +INSERT INTO t1 VALUES (1,'a',1); +INSERT INTO t1 VALUES (2,'b',1); +INSERT INTO t1 VALUES (3,'c',2); + +CREATE TABLE t2 (id2 INT NOT NULL PRIMARY KEY, dat2 CHAR(1)); +INSERT INTO t2 VALUES (1,'x'); +INSERT INTO t2 VALUES (2,'y'); +INSERT INTO t2 VALUES (3,'z'); + +SELECT t2.id2 FROM t2 LEFT OUTER JOIN t1 ON t1.id2 = t2.id2 WHERE id1 IS NULL; +SELECT t2.id2 FROM t2 NATURAL LEFT OUTER JOIN t1 WHERE id1 IS NULL; + +drop table t1,t2; + +create table t1 ( color varchar(20), name varchar(20) ); +insert into t1 values ( 'red', 'apple' ); +insert into t1 values ( 'yellow', 'banana' ); +insert into t1 values ( 'green', 'lime' ); +insert into t1 values ( 'black', 'grape' ); +insert into t1 values ( 'blue', 'blueberry' ); +create table t2 ( count int, color varchar(20) ); +insert into t2 values (10, 'green'); +insert into t2 values (5, 'black'); +insert into t2 values (15, 'white'); +insert into t2 values (7, 'green'); +select * from t1; +select * from t2; +select * from t2 natural join t1; +select t2.count, t1.name from t2 natural join t1; +select t2.count, t1.name from t2 inner join t1 using (color); +drop table t1; +drop table t2; + +# +# Test of LEFT JOIN + GROUP FUNCTIONS within functions: +# + +CREATE TABLE t1 ( + pcode varchar(8) DEFAULT '' NOT NULL +); +INSERT INTO t1 VALUES ('kvw2000'),('kvw2001'),('kvw3000'),('kvw3001'),('kvw3002'),('kvw3500'),('kvw3501'),('kvw3502'),('kvw3800'),('kvw3801'),('kvw3802'),('kvw3900'),('kvw3901'),('kvw3902'),('kvw4000'),('kvw4001'),('kvw4002'),('kvw4200'),('kvw4500'),('kvw5000'),('kvw5001'),('kvw5500'),('kvw5510'),('kvw5600'),('kvw5601'),('kvw6000'),('klw1000'),('klw1020'),('klw1500'),('klw2000'),('klw2001'),('klw2002'),('kld2000'),('klw2500'),('kmw1000'),('kmw1500'),('kmw2000'),('kmw2001'),('kmw2100'),('kmw3000'),('kmw3200'); +CREATE TABLE t2 ( + pcode varchar(8) DEFAULT '' NOT NULL, + KEY pcode (pcode) +); +INSERT INTO t2 VALUES ('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw2000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3000'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw3500'),('kvw6000'),('kvw6000'),('kld2000'); + +SELECT t1.pcode, IF(ISNULL(t2.pcode), 0, COUNT(*)) AS count FROM t1 +LEFT JOIN t2 ON t1.pcode = t2.pcode GROUP BY t1.pcode; +SELECT SQL_BIG_RESULT t1.pcode, IF(ISNULL(t2.pcode), 0, COUNT(*)) AS count FROM t1 LEFT JOIN t2 ON t1.pcode = t2.pcode GROUP BY t1.pcode; +drop table t1,t2; + +# +# Another left join problem +# + +CREATE TABLE t1 ( + id int(11), + pid int(11), + rep_del tinyint(4), + KEY id (id), + KEY pid (pid) +); +INSERT INTO t1 VALUES (1,NULL,NULL); +INSERT INTO t1 VALUES (2,1,NULL); +select * from t1 LEFT JOIN t1 t2 ON (t1.id=t2.pid) AND t2.rep_del IS NULL; +create index rep_del ON t1(rep_del); +select * from t1 LEFT JOIN t1 t2 ON (t1.id=t2.pid) AND t2.rep_del IS NULL; +drop table t1; + +CREATE TABLE t1 ( + id int(11) DEFAULT '0' NOT NULL, + name tinytext DEFAULT '' NOT NULL, + UNIQUE id (id) +); +INSERT INTO t1 VALUES (1,'yes'),(2,'no'); +CREATE TABLE t2 ( + id int(11) DEFAULT '0' NOT NULL, + idx int(11) DEFAULT '0' NOT NULL, + UNIQUE id (id,idx) +); +INSERT INTO t2 VALUES (1,1); +explain SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL; +SELECT * from t1 left join t2 on t1.id=t2.id where t2.id IS NULL; +drop table t1,t2; + +# +# Test problem with using key_column= constant in ON and WHERE +# +create table t1 (bug_id mediumint, reporter mediumint); +create table t2 (bug_id mediumint, who mediumint, index(who)); +insert into t2 values (1,1),(1,2); +insert into t1 values (1,1),(2,1); +SELECT * FROM t1 LEFT JOIN t2 ON (t1.bug_id = t2.bug_id AND t2.who = 2) WHERE (t1.reporter = 2 OR t2.who = 2); +drop table t1,t2; + +# +# Test problem with LEFT JOIN + +create table t1 (fooID smallint unsigned auto_increment, primary key (fooID)); +create table t2 (fooID smallint unsigned not null, barID smallint unsigned not null, primary key (fooID,barID)); +insert into t1 (fooID) values (10),(20),(30); +insert into t2 values (10,1),(20,2),(30,3); +explain select * from t2 left join t1 on t1.fooID = t2.fooID and t1.fooID = 30; +select * from t2 left join t1 on t1.fooID = t2.fooID and t1.fooID = 30; +--sorted_result +select * from t2 left join t1 ignore index(primary) on t1.fooID = t2.fooID and t1.fooID = 30; +drop table t1,t2; + +create table t1 (i int); +create table t2 (i int); +create table t3 (i int); +insert into t1 values(1),(2); +insert into t2 values(2),(3); +insert into t3 values(2),(4); +--sorted_result +select * from t1 natural left join t2 natural left join t3; +select * from t1 natural left join t2 where (t2.i is not null)=0; +--sorted_result +select * from t1 natural left join t2 where (t2.i is not null) is not null; +select * from t1 natural left join t2 where (i is not null)=0; +--sorted_result +select * from t1 natural left join t2 where (i is not null) is not null; +drop table t1,t2,t3; + +# +# Test of USING +# +create table t1 (f1 integer,f2 integer,f3 integer); +create table t2 (f2 integer,f4 integer); +create table t3 (f3 integer,f5 integer); +select * from t1 + left outer join t2 using (f2) + left outer join t3 using (f3); +drop table t1,t2,t3; + +create table t1 (a1 int, a2 int); +create table t2 (b1 int not null, b2 int); +create table t3 (c1 int, c2 int); + +insert into t1 values (1,2), (2,2), (3,2); +insert into t2 values (1,3), (2,3); +insert into t3 values (2,4), (3,4); + +select * from t1 left join t2 on b1 = a1 left join t3 on c1 = a1 and b1 is null; +explain select * from t1 left join t2 on b1 = a1 left join t3 on c1 = a1 and b1 is null; + +drop table t1, t2, t3; + +# Test for BUG#8711 '<=>' was considered to be a NULL-rejecting predicate. +create table t1 ( + a int(11), + b char(10), + key (a) +); +insert into t1 (a) values (1),(2),(3),(4); +create table t2 (a int); + +select * from t1 left join t2 on t1.a=t2.a where not (t2.a <=> t1.a); +select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a); +drop table t1,t2; + +# Test for BUG#5088 + +create table t1 ( + match_id tinyint(3) unsigned not null auto_increment, + home tinyint(3) unsigned default '0', + unique key match_id (match_id), + key match_id_2 (match_id) +); + +insert into t1 values("1", "2"); + +create table t2 ( + player_id tinyint(3) unsigned default '0', + match_1_h tinyint(3) unsigned default '0', + key player_id (player_id) +); + +insert into t2 values("1", "5"); +insert into t2 values("2", "9"); +insert into t2 values("3", "3"); +insert into t2 values("4", "7"); +insert into t2 values("5", "6"); +insert into t2 values("6", "8"); +insert into t2 values("7", "4"); +insert into t2 values("8", "12"); +insert into t2 values("9", "11"); +insert into t2 values("10", "10"); + +explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from + (t2 s left join t1 m on m.match_id = 1) + order by m.match_id desc; + +explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from + (t2 s left join t1 m on m.match_id = 1) + order by UUX desc; + +select s.*, '*', m.*, (s.match_1_h - m.home) UUX from + (t2 s left join t1 m on m.match_id = 1) + order by UUX desc; + +explain select s.*, '*', m.*, (s.match_1_h - m.home) UUX from + t2 s straight_join t1 m where m.match_id = 1 + order by UUX desc; + +select s.*, '*', m.*, (s.match_1_h - m.home) UUX from + t2 s straight_join t1 m where m.match_id = 1 + order by UUX desc; + +drop table t1, t2; + +# Tests for bugs #6307 and 6460 + +create table t1 (a int, b int, unique index idx (a, b)); +create table t2 (a int, b int, c int, unique index idx (a, b)); + +insert into t1 values (1, 10), (1,11), (2,10), (2,11); +insert into t2 values (1,10,3); + +select t1.a, t1.b, t2.c from t1 left join t2 + on t1.a=t2.a and t1.b=t2.b and t2.c=3 + where t1.a=1 and t2.c is null; + +drop table t1, t2; + +CREATE TABLE t1 ( + ts_id bigint(20) default NULL, + inst_id tinyint(4) default NULL, + flag_name varchar(64) default NULL, + flag_value text, + UNIQUE KEY ts_id (ts_id,inst_id,flag_name) +) ENGINE=MyISAM DEFAULT CHARSET=utf8; + +CREATE TABLE t2 ( + ts_id bigint(20) default NULL, + inst_id tinyint(4) default NULL, + flag_name varchar(64) default NULL, + flag_value text, + UNIQUE KEY ts_id (ts_id,inst_id,flag_name) +) ENGINE=MyISAM DEFAULT CHARSET=utf8; + +INSERT INTO t1 VALUES + (111056548820001, 0, 'flag1', NULL), + (111056548820001, 0, 'flag2', NULL), + (2, 0, 'other_flag', NULL); + +INSERT INTO t2 VALUES + (111056548820001, 3, 'flag1', 'sss'); + +SELECT t1.flag_name,t2.flag_value + FROM t1 LEFT JOIN t2 + ON (t1.ts_id = t2.ts_id AND t1.flag_name = t2.flag_name AND + t2.inst_id = 3) + WHERE t1.inst_id = 0 AND t1.ts_id=111056548820001 AND + t2.flag_value IS NULL; + +DROP TABLE t1,t2; + +CREATE TABLE t1 ( + id int(11) unsigned NOT NULL auto_increment, + text_id int(10) unsigned default NULL, + PRIMARY KEY (id) +); + +INSERT INTO t1 VALUES("1", "0"); +INSERT INTO t1 VALUES("2", "10"); + +CREATE TABLE t2 ( + text_id char(3) NOT NULL default '', + language_id char(3) NOT NULL default '', + text_data text, + PRIMARY KEY (text_id,language_id) +); + +INSERT INTO t2 VALUES("0", "EN", "0-EN"); +INSERT INTO t2 VALUES("0", "SV", "0-SV"); +INSERT INTO t2 VALUES("10", "EN", "10-EN"); +INSERT INTO t2 VALUES("10", "SV", "10-SV"); +SELECT t1.id, t1.text_id, t2.text_data + FROM t1 LEFT JOIN t2 + ON t1.text_id = t2.text_id + AND t2.language_id = 'SV' + WHERE (t1.id LIKE '%' OR t2.text_data LIKE '%'); + +DROP TABLE t1, t2; + +# Test for bug #5896 + +CREATE TABLE t0 (a0 int PRIMARY KEY); +CREATE TABLE t1 (a1 int PRIMARY KEY); +CREATE TABLE t2 (a2 int); +CREATE TABLE t3 (a3 int); +INSERT INTO t0 VALUES (1); +INSERT INTO t1 VALUES (1); +INSERT INTO t2 VALUES (1), (2); +INSERT INTO t3 VALUES (1), (2); + +SELECT * FROM t1 LEFT JOIN t2 ON a1=0; +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON a1=0; +SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0; +EXPLAIN SELECT * FROM t1 LEFT JOIN (t2,t3) ON a1=0; +SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1; +EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=0 WHERE a0=a1; + +INSERT INTO t0 VALUES (0); +INSERT INTO t1 VALUES (0); +SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=5 WHERE a0=a1 AND a0=1; +EXPLAIN SELECT * FROM t0, t1 LEFT JOIN (t2,t3) ON a1=5 WHERE a0=a1 AND a0=1; + +# Test for BUG#4480 +drop table t1,t2; +create table t1 (a int, b int); +insert into t1 values (1,1),(2,2),(3,3); +create table t2 (a int, b int); +insert into t2 values (1,1), (2,2); + +select * from t2 right join t1 on t2.a=t1.a; +select straight_join * from t2 right join t1 on t2.a=t1.a; + +DROP TABLE t0,t1,t2,t3; + +# +# Test for bug #9017: left join mistakingly converted to inner join +# + +CREATE TABLE t1 (a int PRIMARY KEY, b int); +CREATE TABLE t2 (a int PRIMARY KEY, b int); + +INSERT INTO t1 VALUES (1,1), (2,1), (3,1), (4,2); +INSERT INTO t2 VALUES (1,2), (2,2); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE t1.b=1; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a + WHERE t1.b=1 XOR (NOT ISNULL(t2.a) AND t2.b=1); +SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE not(0+(t1.a=30 and t2.b=1)); + +DROP TABLE t1,t2; + +# Bug #8681: Bad warning message when group_concat() exceeds max length +set group_concat_max_len=5; +create table t1 (a int, b varchar(20)); +create table t2 (a int, c varchar(20)); +insert into t1 values (1,"aaaaaaaaaa"),(2,"bbbbbbbbbb"); +insert into t2 values (1,"cccccccccc"),(2,"dddddddddd"); +select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by t1.a; +select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a; +select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by a; +select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by a; +drop table t1, t2; +set group_concat_max_len=default; + +# End of 4.1 tests + +# +# BUG#10162 - ON is merged with WHERE, left join is convered to a regular join +# +create table t1 (gid smallint(5) unsigned not null, x int(11) not null, y int(11) not null, art int(11) not null, primary key (gid,x,y)); +insert t1 values (1, -5, -8, 2), (1, 2, 2, 1), (1, 1, 1, 1); +create table t2 (gid smallint(5) unsigned not null, x int(11) not null, y int(11) not null, id int(11) not null, primary key (gid,id,x,y), key id (id)); +insert t2 values (1, -5, -8, 1), (1, 1, 1, 1), (1, 2, 2, 1); +create table t3 ( set_id smallint(5) unsigned not null, id tinyint(4) unsigned not null, name char(12) not null, primary key (id,set_id)); +insert t3 values (0, 1, 'a'), (1, 1, 'b'), (0, 2, 'c'), (1, 2, 'd'), (1, 3, 'e'), (1, 4, 'f'), (1, 5, 'g'), (1, 6, 'h'); +explain select name from t1 left join t2 on t1.x = t2.x and t1.y = t2.y +left join t3 on t1.art = t3.id where t2.id =1 and t2.x = -5 and t2.y =-8 +and t1.gid =1 and t2.gid =1 and t3.set_id =1; +drop tables t1,t2,t3; + +# +# Test for bug #9938: invalid conversion from outer join to inner join +# for queries containing indirect reference in WHERE clause +# + +CREATE TABLE t1 (EMPNUM INT, GRP INT); +INSERT INTO t1 VALUES (0, 10); +INSERT INTO t1 VALUES (2, 30); + +CREATE TABLE t2 (EMPNUM INT, NAME CHAR(5)); +INSERT INTO t2 VALUES (0, 'KERI'); +INSERT INTO t2 VALUES (9, 'BARRY'); + +CREATE VIEW v1 AS +SELECT COALESCE(t2.EMPNUM,t1.EMPNUM) AS EMPNUM, NAME, GRP + FROM t2 LEFT OUTER JOIN t1 ON t2.EMPNUM=t1.EMPNUM; + +SELECT * FROM v1; +SELECT * FROM v1 WHERE EMPNUM < 10; + +DROP VIEW v1; +DROP TABLE t1,t2; + +# +# Test for bug #11285: false Item_equal on expression in outer join +# + +CREATE TABLE t1 (c11 int); +CREATE TABLE t2 (c21 int); +INSERT INTO t1 VALUES (30), (40), (50); +INSERT INTO t2 VALUES (300), (400), (500); +SELECT * FROM t1 LEFT JOIN t2 ON (c11=c21 AND c21=30) WHERE c11=40; +DROP TABLE t1, t2; +# +# Test for bugs +# #12101: erroneously applied outer join elimination in case of WHERE NOT BETWEEN +# #12102: erroneously missing outer join elimination in case of WHERE IN/IF +# + +CREATE TABLE t1 (a int PRIMARY KEY, b int); +CREATE TABLE t2 (a int PRIMARY KEY, b int); + +INSERT INTO t1 VALUES (1,2), (2,1), (3,2), (4,3), (5,6), (6,5), (7,8), (8,7), (9,10); +INSERT INTO t2 VALUES (3,0), (4,1), (6,4), (7,5); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b <= t1.a AND t1.a <= t1.b; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a BETWEEN t2.b AND t1.b; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT BETWEEN t2.b AND t1.b); + +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.b > t1.a OR t1.a > t1.b; +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT BETWEEN t2.b AND t1.b; +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a BETWEEN t2.b AND t1.b); + +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t2.b > t1.a OR t1.a > t1.b; +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a != t2.a AND t1.a BETWEEN t2.b AND t1.b); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a AND (t2.b > t1.a OR t1.a > t1.b); +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a != t2.a OR t1.a BETWEEN t2.b AND t1.b); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b); +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a NOT IN(t2.a, t2.b)); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a != t1.b AND t1.a != t2.b; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a NOT IN(t1.b, t2.b); +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t1.a IN(t1.b, t2.b)); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.a != t2.b OR (t1.a != t2.a AND t1.a != t2.b); +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t2.a = t2.b AND t1.a IN(t2.a, t2.b)); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t2.a != t2.b AND t1.a != t1.b AND t1.a != t2.b; +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE NOT(t2.a = t2.b OR t1.a IN(t1.b, t2.b)); + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a = t2.a OR t1.a = t2.b; +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a IN(t2.a, t2.b); +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a > IF(t1.a = t2.b-2, t2.b, t2.b-1); + +DROP TABLE t1,t2; + +# +# Test for bug #17164: ORed FALSE blocked conversion of outer join into join +# + +# Test case moved to join_outer_innodb + +# +# Bug 19396: LEFT OUTER JOIN over views in curly braces +# +--disable_warnings +DROP VIEW IF EXISTS v1,v2; +DROP TABLE IF EXISTS t1,t2; +--enable_warnings + +CREATE TABLE t1 (a int); +CREATE table t2 (b int); +INSERT INTO t1 VALUES (1), (2), (3), (4), (1), (1), (3); +INSERT INTO t2 VALUES (2), (3); + +CREATE VIEW v1 AS SELECT a FROM t1 JOIN t2 ON t1.a=t2.b; +CREATE VIEW v2 AS SELECT b FROM t2 JOIN t1 ON t2.b=t1.a; + +SELECT v1.a, v2. b + FROM v1 LEFT OUTER JOIN v2 ON (v1.a=v2.b) AND (v1.a >= 3) + GROUP BY v1.a; +SELECT v1.a, v2. b + FROM { OJ v1 LEFT OUTER JOIN v2 ON (v1.a=v2.b) AND (v1.a >= 3) } + GROUP BY v1.a; + +DROP VIEW v1,v2; +DROP TABLE t1,t2; + +# +# Bug 19816: LEFT OUTER JOIN with constant ORed predicates in WHERE clause +# + +CREATE TABLE t1 (a int); +CREATE TABLE t2 (b int); +INSERT INTO t1 VALUES (1), (2), (3), (4); +INSERT INTO t2 VALUES (2), (3); + +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1); + +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1 OR 1); +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (0 OR 1); +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 2=2); +--sorted_result +SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.b WHERE (1=1 OR 1=0); + +DROP TABLE t1,t2; + +# +# Bug 26017: LEFT OUTER JOIN over two constant tables and +# a case-insensitive comparison predicate field=const +# + +CREATE TABLE t1 ( + f1 varchar(16) collate latin1_swedish_ci PRIMARY KEY, + f2 varchar(16) collate latin1_swedish_ci +); +CREATE TABLE t2 ( + f1 varchar(16) collate latin1_swedish_ci PRIMARY KEY, + f3 varchar(16) collate latin1_swedish_ci +); + +INSERT INTO t1 VALUES ('bla','blah'); +INSERT INTO t2 VALUES ('bla','sheep'); + +SELECT * FROM t1 JOIN t2 USING(f1) WHERE f1='Bla'; +SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='bla'; +SELECT * FROM t1 LEFT JOIN t2 USING(f1) WHERE f1='Bla'; + +DROP TABLE t1,t2; + +# +# Bug 28188: 'not exists' optimization for outer joins +# + +CREATE TABLE t1 (id int PRIMARY KEY, a varchar(8)); +CREATE TABLE t2 (id int NOT NULL, b int NOT NULL, INDEX idx(id)); +INSERT INTO t1 VALUES + (1,'aaaaaaa'), (5,'eeeeeee'), (4,'ddddddd'), (2,'bbbbbbb'), (3,'ccccccc'); +INSERT INTO t2 VALUES + (3,10), (2,20), (5,30), (3,20), (5,10), (3,40), (3,30), (2,10), (2,40); + +EXPLAIN +SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL; + +flush status; +SELECT t1.id, a FROM t1 LEFT JOIN t2 ON t1.id=t2.id WHERE t2.b IS NULL; +show status like 'Handler_read%'; + +DROP TABLE t1,t2; + +# +# Bug 28571: outer join with false on condition over constant tables +# + +CREATE TABLE t1 (c int PRIMARY KEY, e int NOT NULL); +INSERT INTO t1 VALUES (1,0), (2,1); +CREATE TABLE t2 (d int PRIMARY KEY); +INSERT INTO t2 VALUES (1), (2), (3); + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d IS NULL; +SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d IS NULL; +SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d<=>NULL; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug#47650: using group by with rollup without indexes returns incorrect +--echo # results with where +--echo # +CREATE TABLE t1 ( a INT ); +INSERT INTO t1 VALUES (1); + +CREATE TABLE t2 ( a INT, b INT ); +INSERT INTO t2 VALUES (1, 1),(1, 2),(1, 3),(2, 4),(2, 5); + +EXPLAIN +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 LEFT JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; + +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 LEFT JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; + +EXPLAIN +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; + +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; + +DROP TABLE t1, t2; + +--echo # +--echo # Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison +--echo # +CREATE TABLE t1(f1 INT, f2 INT, f3 INT); +INSERT INTO t1 VALUES (1, NULL, 3); +CREATE TABLE t2(f1 INT, f2 INT); +INSERT INTO t2 VALUES (2, 1); + +EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2 +WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2 +WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); + +DROP TABLE t1, t2; + +--echo # +--echo # Bug#52357: Assertion failed: join->best_read in greedy_search +--echo # optimizer_search_depth=0 +--echo # +CREATE TABLE t1( a INT ); + +INSERT INTO t1 VALUES (1),(2); +SET optimizer_search_depth = 0; + +--echo # Should not core dump on query preparation +EXPLAIN +SELECT 1 +FROM t1 tt3 LEFT OUTER JOIN t1 tt4 ON 1 + LEFT OUTER JOIN t1 tt5 ON 1 + LEFT OUTER JOIN t1 tt6 ON 1 + LEFT OUTER JOIN t1 tt7 ON 1 + LEFT OUTER JOIN t1 tt8 ON 1 + RIGHT OUTER JOIN t1 tt2 ON 1 + RIGHT OUTER JOIN t1 tt1 ON 1 + STRAIGHT_JOIN t1 tt9 ON 1; + +SET optimizer_search_depth = DEFAULT; +DROP TABLE t1; + +--echo # +--echo # Bug#46091 STRAIGHT_JOIN + RIGHT JOIN returns different result +--echo # +CREATE TABLE t1 (f1 INT NOT NULL); +INSERT INTO t1 VALUES (9),(0); + +CREATE TABLE t2 (f1 INT NOT NULL); +INSERT INTO t2 VALUES +(5),(3),(0),(3),(1),(0),(1),(7),(1),(0),(0),(8),(4),(9),(0),(2),(0),(8),(5),(1); + +SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1 +RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1; + +EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1 +RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1; + +DROP TABLE t1, t2; + +--echo # +--echo # Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990 +--echo # +CREATE TABLE t1(f1 INT, PRIMARY KEY (f1)); +INSERT INTO t1 VALUES (1),(2); + +EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1 + LEFT JOIN t1 AS jt2 + RIGHT JOIN t1 AS jt3 + JOIN t1 AS jt4 ON 1 + LEFT JOIN t1 AS jt5 ON 1 + ON 1 + RIGHT JOIN t1 AS jt6 ON jt6.f1 + ON 1; + +EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1 + RIGHT JOIN t1 AS jt2 + RIGHT JOIN t1 AS jt3 + JOIN t1 AS jt4 ON 1 + LEFT JOIN t1 AS jt5 ON 1 + ON 1 + RIGHT JOIN t1 AS jt6 ON jt6.f1 + ON 1; + +DROP TABLE t1; + +--echo # +--echo # Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field +--echo # + +CREATE TABLE t1 (f1 INT NOT NULL, PRIMARY KEY (f1)); +CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL, PRIMARY KEY (f1, f2)); + +INSERT INTO t1 VALUES (4); +INSERT INTO t2 VALUES (3, 3); +INSERT INTO t2 VALUES (7, 7); + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 +GROUP BY t2.f1, t2.f2; + +SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 +GROUP BY t2.f1, t2.f2; + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL +GROUP BY t2.f1, t2.f2; + +SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL +GROUP BY t2.f1, t2.f2; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug#57034 incorrect OUTER JOIN result when joined on unique key +--echo # + +CREATE TABLE t1 (pk INT PRIMARY KEY, + col_int INT, + col_int_unique INT UNIQUE KEY); +INSERT INTO t1 VALUES (1,NULL,2), (2,0,0); + +CREATE TABLE t2 (pk INT PRIMARY KEY, + col_int INT, + col_int_unique INT UNIQUE KEY); +INSERT INTO t2 VALUES (1,0,1), (2,0,2); + +EXPLAIN +SELECT * FROM t1 LEFT JOIN t2 + ON t1.col_int_unique = t2.col_int_unique AND t1.col_int = t2.col_int + WHERE t1.pk=1; + +SELECT * FROM t1 LEFT JOIN t2 + ON t1.col_int_unique = t2.col_int_unique AND t1.col_int = t2.col_int + WHERE t1.pk=1; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug#48046 Server incorrectly processing JOINs on NULL values +--echo # + +# bug#48046 is a duplicate of bug#57034 + +CREATE TABLE `BB` ( + `pk` int(11) NOT NULL AUTO_INCREMENT, + `time_key` time DEFAULT NULL, + `varchar_key` varchar(1) DEFAULT NULL, + `varchar_nokey` varchar(1) DEFAULT NULL, + PRIMARY KEY (`pk`), + KEY `time_key` (`time_key`), + KEY `varchar_key` (`varchar_key`) +) ENGINE=MyISAM AUTO_INCREMENT=11 DEFAULT CHARSET=latin1; + +INSERT INTO `BB` VALUES (10,'18:27:58',NULL,NULL); + +SELECT table1.time_key AS field1, table2.pk +FROM BB table1 LEFT JOIN BB table2 + ON table2.varchar_nokey = table1.varchar_key + HAVING field1; + +DROP TABLE BB; + +--echo # +--echo # Bug#49600 Server incorrectly processing RIGHT JOIN with +--echo # constant WHERE clause and no index +--echo # + +# bug#49600 is a duplicate of bug#57034 + +CREATE TABLE `BB` ( + `col_datetime_key` datetime DEFAULT NULL, + `col_varchar_key` varchar(1) DEFAULT NULL, + `col_varchar_nokey` varchar(1) DEFAULT NULL, + KEY `col_datetime_key` (`col_datetime_key`), + KEY `col_varchar_key` (`col_varchar_key`) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; + +INSERT INTO `BB` VALUES ('1900-01-01 00:00:00',NULL,NULL); + +SELECT table1.col_datetime_key +FROM BB table1 RIGHT JOIN BB table2 + ON table2 .col_varchar_nokey = table1.col_varchar_key + WHERE 7; + +# Disable keys, and we get incorrect result for the same query +ALTER TABLE BB DISABLE KEYS; + +SELECT table1.col_datetime_key +FROM BB table1 RIGHT JOIN BB table2 + ON table2 .col_varchar_nokey = table1.col_varchar_key + WHERE 7; + +DROP TABLE BB; + + +--echo # +--echo # Bug#58490: Incorrect result in multi level OUTER JOIN +--echo # in combination with IS NULL +--echo # + +CREATE TABLE t1 (i INT NOT NULL); +INSERT INTO t1 VALUES (0), (2),(3),(4); +CREATE TABLE t2 (i INT NOT NULL); +INSERT INTO t2 VALUES (0),(1), (3),(4); +CREATE TABLE t3 (i INT NOT NULL); +INSERT INTO t3 VALUES (0),(1),(2), (4); +CREATE TABLE t4 (i INT NOT NULL); +INSERT INTO t4 VALUES (0),(1),(2),(3) ; + +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( t2 LEFT JOIN + ( t3 LEFT JOIN + t4 + ON t4.i = t3.i + ) + ON t3.i = t2.i + ) + ON t2.i = t1.i + ; + +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( t2 LEFT JOIN + ( t3 LEFT JOIN + t4 + ON t4.i = t3.i + ) + ON t3.i = t2.i + ) + ON t2.i = t1.i + WHERE t4.i IS NULL; + + +# Most simplified testcase to reproduce the bug. +# (Has to be at least a two level nested outer join) +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( ( t2 LEFT JOIN + t3 + ON t3.i = t2.i + ) + ) + ON t2.i = t1.i + WHERE t3.i IS NULL; + + +# Extended testing: +# We then add some equi-join inside the query above: +# (There Used to be some problems here with first +# proposed patch for this bug) +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( ( t2 LEFT JOIN + t3 + ON t3.i = t2.i + ) + JOIN t4 + ON t4.i=t2.i + ) + ON t2.i = t1.i + WHERE t3.i IS NULL; + +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( ( t2 LEFT JOIN + t3 + ON t3.i = t2.i + ) + JOIN (t4 AS t4a JOIN t4 AS t4b ON t4a.i=t4b.i) + ON t4a.i=t2.i + ) + ON t2.i = t1.i + WHERE t3.i IS NULL; + +--sorted_result +SELECT * FROM + t1 LEFT JOIN + ( ( t2 LEFT JOIN + t3 + ON t3.i = t2.i + ) + JOIN (t4 AS t4a, t4 AS t4b) + ON t4a.i=t2.i + ) + ON t2.i = t1.i + WHERE t3.i IS NULL; + + +DROP TABLE t1,t2,t3,t4; + +## Bug#49322 & bug#58490 are duplicates. However, we include testcases +## for both. +--echo # +--echo # Bug#49322(Duplicate): Server is adding extra NULL row +--echo # on processing a WHERE clause +--echo # + +CREATE TABLE h (pk INT NOT NULL, col_int_key INT); +INSERT INTO h VALUES (1,NULL),(4,2),(5,2),(3,4),(2,8); + +CREATE TABLE m (pk INT NOT NULL, col_int_key INT); +INSERT INTO m VALUES (1,2),(2,7),(3,5),(4,7),(5,5),(6,NULL),(7,NULL),(8,9); +CREATE TABLE k (pk INT NOT NULL, col_int_key INT); +INSERT INTO k VALUES (1,9),(2,2),(3,5),(4,2),(5,7),(6,0),(7,5); + +# Baseline query wo/ 'WHERE ... IS NULL' - was correct +--sorted_result +SELECT TABLE1.pk FROM k TABLE1 +RIGHT JOIN h TABLE2 ON TABLE1.col_int_key=TABLE2.col_int_key +RIGHT JOIN m TABLE4 ON TABLE2.col_int_key=TABLE4.col_int_key; + +# Adding 'WHERE ... IS NULL' -> incorrect result +SELECT TABLE1.pk FROM k TABLE1 +RIGHT JOIN h TABLE2 ON TABLE1.col_int_key=TABLE2.col_int_key +RIGHT JOIN m TABLE4 ON TABLE2.col_int_key=TABLE4.col_int_key +WHERE TABLE1.pk IS NULL; + +DROP TABLE h,m,k; + +--echo +--echo # BUG#12567331 - INFINITE LOOP WHEN RESOLVING AN ALIASED COLUMN +--echo # USED IN GROUP BY +--echo +CREATE TABLE t1 ( + col_varchar_1024_latin1_key varchar(1024), + col_varchar_10_latin1 varchar(10), + col_int int(11), + pk int(11) +); +CREATE TABLE t2 ( + col_int_key int(11), + col_int int(11), + pk int(11) +); + +PREPARE prep_stmt_9846 FROM ' +SELECT alias1.pk AS field1 FROM +t1 AS alias1 +LEFT JOIN +( + t2 AS alias2 + RIGHT JOIN + ( + t2 AS alias3 + JOIN t1 AS alias4 + ON 1 + ) + ON 1 +) +ON 1 +GROUP BY field1'; +execute prep_stmt_9846; +execute prep_stmt_9846; +drop table t1,t2; + +--echo # +--echo # Bug #11765810 58813: SERVER THREAD HANGS WHEN JOIN + WHERE + GROUP BY +--echo # IS EXECUTED TWICE FROM P +--echo # +CREATE TABLE t1 ( a INT ) ENGINE = MYISAM; +INSERT INTO t1 VALUES (1); +PREPARE prep_stmt FROM ' + SELECT 1 AS f FROM t1 + LEFT JOIN t1 t2 + RIGHT JOIN t1 t3 + JOIN t1 t4 + ON 1 + ON 1 + ON 1 + GROUP BY f'; +EXECUTE prep_stmt; +EXECUTE prep_stmt; + +DROP TABLE t1; + +--echo # +--echo # Bug#49600: outer join of two single-row tables with joining attributes +--echo # evaluated to nulls + +create table t1 (a int, b int); +create table t2 (a int, b int); +insert into t1 values (1, NULL); +insert into t2 values (2, NULL); + +select * from t1 left join t2 on t1.b=t2.b; + +select * from t1 left join t2 on t1.b=t2.b where 1=1; + +drop table t1,t2; + +--echo # +--echo # Bug#53161: outer join in the derived table is erroneously converted +--echo # into an inner join for a query with a group by clause +--echo # + +create table t1 (pk int not null primary key, a int not null); +create table t2 like t1; +create table t3 like t1; +create table t4 (pk int not null primary key); +insert into t1 values (1000, 1), (1001, 1); +insert into t2 values (2000, 2), (2001, 2); +insert into t3 values (3000, 3), (3001, 2); +insert into t4 values (4000), (4001); + +explain extended +select t2.pk, + (select t3.pk+if(isnull(t4.pk),0,t4.pk) + from t3 left join t4 on t4.pk=t3.pk + where t3.pk=t2.pk+1000 limit 1 ) as t + from t1,t2 + where t2.pk=t1.pk+1000 and t1.pk>1000 + group by t2.pk; + +select t2.pk, + (select t3.pk+if(isnull(t4.pk),0,t4.pk) + from t3 left join t4 on t4.pk=t3.pk + where t3.pk=t2.pk+1000 limit 1 ) as t + from t1,t2 + where t2.pk=t1.pk+1000 and t1.pk>1000 + group by t2.pk; + +drop table t1,t2,t3,t4; + +--echo # +--echo # Bug#57024: Poor performance when conjunctive condition over the outer +--echo # table is used in the on condition of an outer join +--echo # + +create table t1 (a int); +insert into t1 values (NULL), (NULL), (NULL), (NULL); +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 values (4), (2), (1), (3); + +create table t2 like t1; +insert into t2 select if(t1.a is null, 10, t1.a) from t1; + +create table t3 (a int, b int, index idx(a)); +insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101); +insert into t3 values (11, 100), (33, 301), (44, 402), (11, 102), (11, 101); +insert into t3 values (22, 100), (53, 301), (64, 402), (22, 102), (22, 101); + +analyze table t1,t2,t3; + +flush status; +select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null; +show status like "handler_read%"; +flush status; +select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10; +show status like "handler_read%"; + +drop table t1,t2,t3; + +--echo # +--echo # Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field +--echo # + +CREATE TABLE t1 (f1 INT NOT NULL, PRIMARY KEY (f1)); +CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL, PRIMARY KEY (f1, f2)); + +INSERT INTO t1 VALUES (4); +INSERT INTO t2 VALUES (3, 3); +INSERT INTO t2 VALUES (7, 7); + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 +GROUP BY t2.f1, t2.f2; + +SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 +GROUP BY t2.f1, t2.f2; + +EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL +GROUP BY t2.f1, t2.f2; + +SELECT * FROM t1 LEFT JOIN t2 ON t2.f1 = t1.f1 +WHERE t1.f1 = 4 AND t2.f1 IS NOT NULL AND t2.f2 IS NOT NULL +GROUP BY t2.f1, t2.f2; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug#13068506 - QUERY WITH GROUP BY ON NON-AGGR COLUMN RETURNS +--echo # WRONG RESULT +--echo # + +CREATE TABLE t1 (i1 int); +INSERT INTO t1 VALUES (100), (101); + +CREATE TABLE t2 (i2 int, i3 int); +INSERT INTO t2 VALUES (20,1),(10,2); + +CREATE TABLE t3 (i4 int(11)); +INSERT INTO t3 VALUES (1),(2); + +let $query= SELECT ( + SELECT MAX( t2.i2 ) + FROM t3 RIGHT JOIN t2 ON ( t2.i3 = 2 ) + WHERE t2.i3 <> t1.i1 +) AS field1 +FROM t1; + +--echo +--eval $query; +--echo +--eval $query GROUP BY field1; + +--echo +drop table t1,t2,t3; + +--echo # End of test for Bug#13068506 + +--echo End of 5.1 tests + +--echo # +--echo # LP BUG#994392: Wrong result with RIGHT/LEFT JOIN and ALL subquery +--echo # predicate in WHERE condition. +--echo # + +CREATE TABLE t1(a INT); +INSERT INTO t1 VALUES(9); +CREATE TABLE t2(b INT); +INSERT INTO t2 VALUES(8); +CREATE TABLE t3(c INT); +INSERT INTO t3 VALUES(3); +SELECT * FROM t2 RIGHT JOIN t3 ON(c = b) WHERE b < ALL(SELECT a FROM t1 WHERE a <= 7); +SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b < ALL(SELECT a FROM t1 WHERE a <= 7); +SELECT * FROM t2 RIGHT JOIN t3 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7); +SELECT * FROM t3 LEFT JOIN t2 ON(c = b) WHERE b not in (SELECT a FROM t1 WHERE a <= 7); +drop table t1,t2,t3; + +--echo End of 5.2 tests + +--echo # +--echo # LP bug #813447: LEFT JOIN with single-row inner table and +--echo # a subquery in ON expression +--echo # + +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (0); + +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (0); + +CREATE TABLE t3 (a int); +INSERT INTO t3 VALUES (0), (0); + +SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3); +EXPLAIN EXTENDED +SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3); + +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #817384 Wrong result with outer join + subquery in ON +--echo # clause +unique key +--echo # + +CREATE TABLE t1 ( c int NOT NULL , b char(1) NOT NULL ) ; +INSERT INTO t1 VALUES (1,'b'); + +CREATE TABLE t2 ( a int NOT NULL , b char(1) NOT NULL , PRIMARY KEY (a)) ; +INSERT INTO t2 VALUES (1,'a'); + +create table t3 (c1 char(1), c2 char(2)); +insert into t3 values ('c','d'); +insert into t3 values ('c','d'); + + +EXPLAIN SELECT t2.b +FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3); +SELECT t2.b +FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3); + +EXPLAIN SELECT t2.b +FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1; +SELECT t2.b +FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1; + +DROP TABLE t1,t2,t3; + +--echo # +--echo # lp:825035 second execution of PS with outer join +--echo # + +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (1),(2),(3),(4); + +CREATE TABLE t2 (a int); + +PREPARE stmt FROM +"SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a"; + +EXECUTE stmt; +EXECUTE stmt; + +DEALLOCATE PREPARE stmt; + +DROP TABLE t1,t2; + +--echo # +--echo # lp:838633 second execution of PS with outer join +--echo # converted to inner join +--echo # + +CREATE TABLE t1 ( b int NOT NULL ) ; +INSERT INTO t1 VALUES (9),(10); + +CREATE TABLE t2 ( b int NOT NULL, PRIMARY KEY (b)) ; +INSERT INTO t2 VALUES + (75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89), + (10), (90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100); + +CREATE TABLE t3 ( a int, b int NOT NULL , PRIMARY KEY (b)) ; +INSERT INTO t3 VALUES + (0,6),(0,7),(0,8),(2,9),(0,10),(2,21),(0,22),(2,23),(2,24),(2,25); + +SET SESSION join_cache_level=4; + +EXPLAIN EXTENDED +SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b; + +PREPARE stmt FROM +'SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b'; + +EXECUTE stmt; +EXECUTE stmt; + +DEALLOCATE PREPARE stmt; + +SET SESSION join_cache_level=default; + +DROP TABLE t1,t2,t3; + +--echo # +--echo # LP bug #943543: LEFT JOIN converted to JOIN with +--echo # ORed IS NULL(primary key) in WHERE clause +--echo # + +CREATE TABLE t1 ( + a int, b int NOT NULL, pk int NOT NULL, + PRIMARY KEY (pk), INDEX idx(b) +); +INSERT INTO t1 VALUES + (NULL,1,1), (6,2,2), (5,3,3), (NULL,4,4), + (1,9,6), (8,5,7), (NULL,8,8), (8,1,5); + +CREATE TABLE t2 (pk int PRIMARY KEY); +INSERT INTO t2 VALUES (3), (8), (5); + +EXPLAIN EXTENDED +SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a + WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 +ORDER BY t1.pk; +SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a + WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 +ORDER BY t1.pk; + +EXPLAIN EXTENDED +SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.a + WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 +ORDER BY t1.pk; +SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.a + WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 +ORDER BY t1.pk; + +DROP TABLE t2; + +CREATE TABLE t2 (c int, d int, KEY (c)); +INSERT INTO t2 VALUES + (3,30), (8,88), (5,50), (8,81), + (4,40), (9,90), (7,70), (9,90), + (13,130), (18,188), (15,150), (18,181), + (14,140), (19,190), (17,170), (19,190); + +INSERT INTO t1 VALUES (8,5,9); + +EXPLAIN EXTENDED +SELECT t1.b, t2.c, t2.d FROM t2 JOIN t1 ON t2.c = t1.a + WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5 +ORDER BY t1.b; +SELECT t1.b, t2.c, t2.d FROM t2 JOIN t1 ON t2.c = t1.a + WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5 +ORDER BY t1.b; + +EXPLAIN EXTENDED +SELECT t1.b, t2.c, t2.d FROM t2 LEFT JOIN t1 ON t2.c = t1.a + WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5 +ORDER BY t1.b; +SELECT t1.b, t2.c, t2.d FROM t2 LEFT JOIN t1 ON t2.c = t1.a + WHERE t1.pk BETWEEN 5 AND 6 AND t1.b IS NULL OR t1.b = 5 +ORDER BY t1.b; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug mdev-4336: LEFT JOIN with disjunctive +--echo # <non-nullable datetime field> IS NULL in WHERE +--echo # causes a hang and eventual crash +--echo # + +CREATE TABLE t1 ( + id int(11) NOT NULL, + modified datetime NOT NULL, + PRIMARY KEY (id) +); + +SELECT a.* FROM t1 a LEFT JOIN t1 b ON a.id = b.id + WHERE a.modified > b.modified or b.modified IS NULL; + +DROP TABLE t1; + +--echo # +--echo # MDEV-4817: Optimizer fails to optimize expression of the form 'FOO' IS NULL +--echo # +create table t0 (a int not null); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); + +alter table t0 add person_id varchar(255) not null; +create table t1 (pk int not null primary key); +insert into t1 select A.a + 10*B.a from t0 A, t0 B; + +explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo' or 'xyz' IS NULL; +explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo'; +explain select * from t1 left join t0 on t0.a=t1.pk where t0.person_id='fooo' or t0.person_id='bar'; + +drop table t0, t1; + +--echo # +--echo # MDEV-4836: Wrong result on <not null date column> IS NULL (old documented hack stopped working) +--echo # (this is a regression after fix for MDEV-4817) +--echo # +CREATE TABLE t1 (id INT, d DATE NOT NULL); +INSERT INTO t1 VALUES (1,'0000-00-00'),(2,'0000-00-00'); +CREATE TABLE t2 (i INT); +SELECT * FROM t1 LEFT JOIN t2 ON (id=i) WHERE NULL OR d IS NULL; +DROP TABLE t1,t2; + + +CREATE TABLE t1 (i1 INT, d1 DATE NOT NULL); +INSERT INTO t1 VALUES (1,'2012-12-21'),(2,'0000-00-00'); + +CREATE TABLE t2 (i2 INT, j2 INT); +INSERT INTO t2 VALUES (1,10),(2,20); + +SELECT * FROM t1 LEFT JOIN t2 ON i1 = j2 WHERE d1 IS NULL AND 1 OR i1 = i2; +DROP TABLE t1,t2; + +--echo # Another testcase +CREATE TABLE t1 (i1 INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (NULL); + +CREATE TABLE t2 (i2 INT, a INT, b INT) ENGINE=MyISAM; +CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2; + +INSERT INTO t2 VALUES (NULL,1,2),(NULL,2,3); +SELECT * FROM t1 LEFT JOIN v2 ON i1 = i2 WHERE a < b; +SELECT * FROM t1 LEFT JOIN t2 ON i1 = i2 WHERE a < b; + +drop view v2; +drop table t1,t2; + +--echo # +--echo # Bug mdev-4942: LEFT JOIN with conjunctive +--echo # <non-nullable datetime field> IS NULL in WHERE +--echo # causes an assert failure +--echo # + +CREATE TABLE t1 ( i1 int, d1 date ); +INSERT INTO t1 VALUES (1,'2001-06-26'), (2,'2000-11-16'); + +CREATE TABLE t2 ( i2 int, d2 date NOT NULL ); +INSERT INTO t2 VALUES (3,'2000-03-06'), (4,'2007-09-25'); + +SELECT * FROM t1 LEFT JOIN t2 ON i1 = i2 WHERE d1 IS NULL AND d2 IS NULL; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug mdev-4952: LEFT JOIN with disjunctive +--echo # <non-nullable datetime field> IS NULL in WHERE +--echo # causes an assert failure +--echo # + +CREATE TABLE t1 (a1 int, b1 int NOT NULL) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1, 10), (2, 11); + +CREATE TABLE t2 (dt datetime NOT NULL, a2 int, b2 int) ENGINE=MyISAM; +INSERT INTO t2 VALUES +('2006-10-08 09:34:54', 1, 100), ('2001-01-19 01:04:43', 2, 200); + +SELECT * FROM t1 LEFT JOIN t2 ON a1 = a2 + WHERE ( dt IS NULL OR FALSE ) AND b2 IS NULL; + +DROP TABLE t1,t2; + +--echo # +--echo # Bug mdev-4962: nested outer join with +--echo # <non-nullable datetime field> IS NULL in WHERE +--echo # causes an assert failure +--echo # + +CREATE TABLE t1 (i1 int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); + +CREATE TABLE t2 (i2 int) ENGINE=MyISAM; +INSERT INTO t2 VALUES (10),(20); + +CREATE TABLE t3 (i3 int, d3 datetime NOT NULL) ENGINE=MyISAM; +INSERT INTO t3 VALUES (8,'2008-12-04 17:53:42'),(9,'2012-12-21 12:12:12'); + +SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON i2 = i3 ON i1 = i3 + WHERE d3 IS NULL; +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON i2 = i3 ON i1 = i3 + WHERE d3 IS NULL; + +DROP TABLE t1,t2,t3; + +--echo # +--echo # Bug mdev-6705: wrong on expression after constant row substitution +--echo # that triggers a simplification of WHERE condition +--echo # + +CREATE TABLE t1 (a int, b int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (10,8); + +CREATE TABLE t2 (c int) ENGINE=MyISAM; +INSERT INTO t2 VALUES (8),(9); + +CREATE TABLE t3 (d int) ENGINE=MyISAM; +INSERT INTO t3 VALUES (3),(8); + +EXPLAIN EXTENDED +SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a + WHERE b IN (1,2,3) OR b = d; + +SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a + WHERE b IN (1,2,3) OR b = d; + +DROP TABLE t1,t2,t3; + +--echo # +--echo # MDEV-6634: Wrong estimates for ref(const) and key IS NULL predicate +--echo # +create table t1(a int); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t2 (a int, b int, c int, key(b), key(c)); + +insert into t2 select + @a:=A.a + 10*B.a+100*C.a, + IF(@a<900, NULL, @a), + IF(@a<500, NULL, @a) +from t1 A, t1 B, t1 C; + +delete from t1 where a=0; + +--echo # Check that there are different #rows of NULLs for b and c, both !=10: +explain select * from t2 force index (b) where b is null; +explain select * from t2 force index (c) where c is null; + +explain select * from t1 left join t2 on t2.b is null; +explain select * from t1 left join t2 on t2.c is null; + +drop table t1,t2; + +--echo # +--echo # MDEV-10006: optimizer doesn't convert outer join to inner on views with WHERE clause +--echo # + +CREATE TABLE t1(i1 int primary key, v1 int, key(v1)); +INSERT INTO t1 VALUES (1, 1); +INSERT INTO t1 VALUES (2, 2); +INSERT INTO t1 VALUES (3, 3); +INSERT INTO t1 VALUES (4, 4); +INSERT INTO t1 VALUES (5, 3); +INSERT INTO t1 VALUES (6, 6); +INSERT INTO t1 VALUES (7, 7); +INSERT INTO t1 VALUES (8, 8); +INSERT INTO t1 VALUES (9, 9); + +CREATE TABLE t2(i2 int primary key, v2 int, key(v2)); +INSERT INTO t2 VALUES (1, 1); +INSERT INTO t2 VALUES (2, 2); +INSERT INTO t2 VALUES (3, 3); +INSERT INTO t2 VALUES (4, 4); +INSERT INTO t2 VALUES (5, 3); +INSERT INTO t2 VALUES (6, 6); +INSERT INTO t2 VALUES (7, 7); +INSERT INTO t2 VALUES (8, 8); +INSERT INTO t2 VALUES (9, 9); + +CREATE TABLE t3(i3 int primary key, v3 int, key(v3)); +INSERT INTO t3 VALUES (2, 2); +INSERT INTO t3 VALUES (4, 4); +INSERT INTO t3 VALUES (6, 6); +INSERT INTO t3 VALUES (8, 8); + +--echo # This should have a join order of t3,t1,t2 (or t3,t2,t1, the idea is that t3 is the first one) +EXPLAIN EXTENDED +SELECT * FROM + (SELECT t1.i1 as i1, t1.v1 as v1, + t2.i2 as i2, t2.v2 as v2, + t3.i3 as i3, t3.v3 as v3 + FROM t1 JOIN t2 on t1.i1 = t2.i2 + LEFT JOIN t3 on t2.i2 = t3.i3 + ) as w1 +WHERE v3 = 4; + +--echo # This should have the same join order like the query above: +EXPLAIN EXTENDED +SELECT * FROM + (SELECT t1.i1 as i1, t1.v1 as v1, + t2.i2 as i2, t2.v2 as v2, + t3.i3 as i3, t3.v3 as v3 + FROM t1 JOIN t2 on t1.i1 = t2.i2 + LEFT JOIN t3 on t2.i2 = t3.i3 + WHERE t1.i1 = t2.i2 + AND 1 = 1 + ) as w2 +WHERE v3 = 4; + +drop table t1,t2,t3; + +--echo # +--echo # MDEV-11958: LEFT JOIN with stored routine produces incorrect result +--echo # + +CREATE TABLE t (x INT); +INSERT INTO t VALUES(1),(NULL); +CREATE FUNCTION f (val INT, ret INT) RETURNS INT DETERMINISTIC RETURN IFNULL(val, ret); + +SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0) + FROM t t1 LEFT JOIN t t2 + ON t1.x = t2.x + WHERE IFNULL(t2.x,0)=0; +explain extended +SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0) + FROM t t1 LEFT JOIN t t2 + ON t1.x = t2.x + WHERE IFNULL(t2.x,0)=0; +SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0) + FROM t t1 LEFT JOIN t t2 + ON t1.x = t2.x + WHERE f(t2.x,0)=0; +explain extended +SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0) + FROM t t1 LEFT JOIN t t2 + ON t1.x = t2.x + WHERE f(t2.x,0)=0; + +drop function f; +drop table t; +CREATE TABLE t1 ( + col1 DECIMAL(33,5) NULL DEFAULT NULL, + col2 DECIMAL(33,5) NULL DEFAULT NULL +); + +CREATE TABLE t2 ( + col1 DECIMAL(33,5) NULL DEFAULT NULL, + col2 DECIMAL(33,5) NULL DEFAULT NULL, + col3 DECIMAL(33,5) NULL DEFAULT NULL +); + +INSERT INTO t1 VALUES (2, 1.1), (2, 2.1); +INSERT INTO t2 VALUES (3, 3.1, 4), (1, 1, NULL); + +DELIMITER |; + +CREATE FUNCTION f1 ( p_num DECIMAL(45,15), p_return DECIMAL(45,15)) +RETURNS decimal(33,5) +LANGUAGE SQL +DETERMINISTIC +CONTAINS SQL +SQL SECURITY INVOKER +BEGIN + IF p_num IS NULL THEN + RETURN p_return; + ELSE + RETURN p_num; + END IF; +END | + +DELIMITER ;| + +let $q1= +SELECT t1.col1, t2.col1, t2.col3 +FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 +WHERE IFNULL(t2.col3,0) = 0; + +eval $q1; +eval EXPLAIN EXTENDED $q1; + +let $q2= +SELECT t1.col1, t2.col1, t2.col3 +FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2 +WHERE f1(t2.col3,0) = 0; +eval $q2; +eval EXPLAIN EXTENDED $q2; + +DROP FUNCTION f1; + +DROP TABLE t1,t2; + +--echo # +--echo # MDEV-10397: Server crashes in key_copy with join_cache_level > 2 and join on BIT fields +--echo # + +CREATE TABLE t1 (b1 BIT NOT NULL); +INSERT INTO t1 VALUES (0),(1); + +CREATE TABLE t2 (b2 BIT NOT NULL); +INSERT INTO t2 VALUES (0),(1); + +set @save_join_cache_level= @@join_cache_level; +SET @@join_cache_level = 3; +SELECT t1.b1+'0' , t2.b2 + '0' FROM t1 LEFT JOIN t2 ON b1 = b2; +DROP TABLE t1, t2; +set @join_cache_level= @save_join_cache_level; + +--echo # +--echo # MDEV-14779: using left join causes incorrect results with materialization and derived tables +--echo # + +create table t1(id int); +insert into t1 values (1),(2); +create table t2(sid int, id int); +insert into t2 values (1,1),(2,2); + +select * from t1 t + left join (select * from t2 where sid in (select max(sid) from t2 where 0=1 group by id)) r + on t.id=r.id ; +drop table t1, t2; + +--echo # end of 5.5 tests + +SET optimizer_switch=@save_optimizer_switch; |