EVOLUTION-MANAGER

Edit File: subselect_sj2.test

#
# DuplicateElimination strategy test
#
--source include/have_innodb.inc

set @subselect_sj2_tmp= @@optimizer_switch;
set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
SET optimizer_switch=ifnull(@optimizer_switch_for_subselect_sj2_test,'outer_join_with_cache=off');
SET optimizer_switch=ifnull(@optimizer_switch_for_subselect_sj2_test,'semijoin_with_cache=off');
if (`select @join_cache_level_for_subselect_sj2_test is null`)
{
  set join_cache_level=1;
}
if (`select @join_cache_level_for_subselect_sj2_test is not null`)
{
  set join_cache_level=@join_cache_level_for_subselect_sj2_test;
}

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

create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

# First test simple cases: I20 order, no join buffering.

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

create table t2 (
  a int,
  b int,
  key(b)
);
insert into t2 select a, a/2 from t0;
insert into t2 select a+10, a+10/2 from t0;

select * from t1;
select * from t2;
explain select * from t2 where b in (select a from t1);
select * from t2 where b in (select a from t1);

# Try an InnoDB table with very long rowid
create table t3 (
   a int, 
   b int,
   key(b),
   pk1 char(200), pk2 char(200), pk3 char(200),
   primary key(pk1, pk2, pk3)
) engine=innodb;
insert into t3 select a,a, a,a,a from t0;
insert into t3 select a,a, a+100,a+100,a+100 from t0;

explain select * from t3 where b in (select a from t1);
select * from t3 where b in (select a from t1);

# Test overflow to MyISAM:
set @save_max_heap_table_size= @@max_heap_table_size;
set max_heap_table_size=16384;
set @save_join_buffer_size = @@join_buffer_size;
set join_buffer_size= 8192;

drop table t3;
create table t3 (
   a int, 
   b int,
   key(b),
   pk1 char(200), pk2 char(200),
   primary key(pk1, pk2)
) engine=innodb;
insert into t3 select 
  A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a 
from t0 A, t0 B where B.a <5;

--replace_column 9 #
explain select * from t3 where b in (select a from t0);
select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);

set join_buffer_size= @save_join_buffer_size;
set max_heap_table_size= @save_max_heap_table_size;

# O2I join orders, with shortcutting: 
explain select * from t1 where a in (select b from t2);
select * from t1;
select * from t1 where a in (select b from t2);

drop table t1, t2, t3;
# (no need for anything in range/index_merge/DS-MRR)

#
# Test join buffering
#
set @save_join_buffer_size = @@join_buffer_size;
set join_buffer_size= 8192;

create table t1 (a int, filler1 binary(200), filler2 binary(200));
insert into t1 select a, 'filler123456', 'filler123456' from t0;
insert into t1 select a+10, 'filler123456', 'filler123456' from t0;

create table t2 as select * from t1;
insert into t1 select a+20, 'filler123456', 'filler123456' from t0;

insert into t1 values (2, 'duplicate ok', 'duplicate ok');
insert into t1 values (18, 'duplicate ok', 'duplicate ok');

insert into t2 values (3, 'duplicate ok', 'duplicate ok');
insert into t2 values (19, 'duplicate ok', 'duplicate ok');

explain select 
 a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z 
from t1 ot where a in (select a from t2 it);
select 
 a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z 
from t1 ot where a in (select a from t2 it);

explain select 
  a, mid(filler1, 1,10), length(filler1)=length(filler2) 
from t2 ot where a in (select a from t1 it);
select 
  a, mid(filler1, 1,10), length(filler1)=length(filler2) 
from t2 ot where a in (select a from t1 it);

# Now let the buffer overfill:
insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
insert into t1 select a+20, 'filler123456', 'filler123456' from t0;

drop table t1, t2;

# Check ref access to tables inside the OJ nest inside the SJ nest
create table t1 (a int, b int, key(a));
create table t2 (a int, b int, key(a));
create table t3 (a int, b int, key(a));

insert into t1 select a,a from t0;
insert into t2 select a,a from t0;
insert into t3 select a,a from t0;

--echo t2 and t3 must be use 'ref', not 'ALL':
explain select * 
from t0 where a in
  (select t2.a+t3.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a);

drop table t0, t1,t2,t3;

#
# Bug #27348: Assertion abort for a query with two subqueries to be flattened  
# Bug #35674: Range optimizer ignores conditions on inner tables in semi-join IN subqueries 
#
CREATE TABLE t1 (
  ID int(11) NOT NULL auto_increment,
  Name char(35) NOT NULL default '',
  Country char(3) NOT NULL default '',
  Population int(11) NOT NULL default '0',
  PRIMARY KEY  (ID),
  INDEX (Population),
  INDEX (Country) 
);
CREATE TABLE t2 (
  Code char(3) NOT NULL default '',
  Name char(52) NOT NULL default '',
  SurfaceArea float(10,2) NOT NULL default '0.00',
  Population int(11) NOT NULL default '0',
  Capital int(11) default NULL,
  PRIMARY KEY  (Code),
  UNIQUE INDEX (Name),
  INDEX (Population)
);
CREATE TABLE t3 (
  Country char(3) NOT NULL default '',
  Language char(30) NOT NULL default '',
  Percentage float(3,1) NOT NULL default '0.0',
  PRIMARY KEY  (Country, Language),
  INDEX (Percentage)
);

--disable_query_log
INSERT INTO t1 VALUES
(1,'Kabul','AFG',1780000),(2,'Qandahar','AFG',237500),
(3,'Herat','AFG',186800),(4,'Mazar-e-Sharif','AFG',127800),
(5,'Amsterdam','NLD',731200),(6,'Rotterdam','NLD',593321),
(7,'Haag','NLD',440900),(8,'Utrecht','NLD',234323),
(9,'Eindhoven','NLD',201843),(10,'Tilburg','NLD',193238),
(11,'Groningen','NLD',172701),(12,'Breda','NLD',160398),
(13,'Apeldoorn','NLD',153491),(14,'Nijmegen','NLD',152463),
(15,'Enschede','NLD',149544),(16,'Haarlem','NLD',148772),
(17,'Almere','NLD',142465),(18,'Arnhem','NLD',138020),
(19,'Zaanstad','NLD',135621),(20,'´s-Hertogenbosch','NLD',129170),
(21,'Amersfoort','NLD',126270),(22,'Maastricht','NLD',122087),
(23,'Dordrecht','NLD',119811),(24,'Leiden','NLD',117196),
(25,'Haarlemmermeer','NLD',110722),(26,'Zoetermeer','NLD',110214),
(27,'Emmen','NLD',105853),(28,'Zwolle','NLD',105819),
(29,'Ede','NLD',101574),(30,'Delft','NLD',95268);

INSERT INTO t2 VALUES 
('AFG','Afghanistan',652090.00,22720000,1),
('NLD','Netherlands',41526.00,15864000,5),
('ANT','Netherlands Antilles',800.00,217000,33),
('ALB','Albania',28748.00,3401200,34),
('DZA','Algeria',2381741.00,31471000,35),
('ASM','American Samoa',199.00,68000,54),
('AND','Andorra',468.00,78000,55),
('AGO','Angola',1246700.00,12878000,56),
('AIA','Anguilla',96.00,8000,62),
('ATG','Antigua and Barbuda',442.00,68000,63),
('ARE','United Arab Emirates',83600.00,2441000,65),
('ARG','Argentina',2780400.00,37032000,69),
('ARM','Armenia',29800.00,3520000,126),
('ABW','Aruba',193.00,103000,129),
('AUS','Australia',7741220.00,18886000,135),
('AZE','Azerbaijan',86600.00,7734000,144);

INSERT INTO t3 VALUES 
('AFG','Pashto',52.4),('NLD','Dutch',95.6),
('ANT','Papiamento',86.2),('ALB','Albaniana',97.9),
('DZA','Arabic',86.0),('ASM','Samoan',90.6),
('AND','Spanish',44.6),('AGO','Ovimbundu',37.2),
('AIA','English',0.0),('ATG','Creole English',95.7),
('ARE','Arabic',42.0),('ARG','Spanish',96.8),
('ARM','Armenian',93.4),('ABW','Papiamento',76.7),
('AUS','English',81.2),('AZE','Azerbaijani',89.0),
('BHS','Creole English',89.7),('BHR','Arabic',67.7),
('BGD','Bengali',97.7),('BRB','Bajan',95.1),
('BEL','Dutch',59.2),('BLZ','English',50.8);
--enable_query_log

# Disable materialization to avoid races between query plans
set @bug35674_save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='materialization=off';
EXPLAIN
SELECT Name FROM t2 
  WHERE t2.Code IN (SELECT Country FROM t1 WHERE Population > 5000000)
        AND
        t2.Code IN (SELECT Country FROM t3 
                           WHERE Language='English' AND Percentage > 10 AND
                                 t2.Population > 100000);
set optimizer_switch=@bug35674_save_optimizer_switch;

DROP TABLE t1,t2,t3;
  
# BUG#30993:
CREATE TABLE t1 (
  Code char(3) NOT NULL DEFAULT '',
  Name char(52) NOT NULL DEFAULT '',
  Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL DEFAULT 'Asia',
  Region char(26) NOT NULL DEFAULT '',
  SurfaceArea float(10,2) NOT NULL DEFAULT '0.00',
  IndepYear smallint(6) DEFAULT NULL,
  Population int(11) NOT NULL DEFAULT '0',
  LifeExpectancy float(3,1) DEFAULT NULL,
  GNP float(10,2) DEFAULT NULL,
  GNPOld float(10,2) DEFAULT NULL,
  LocalName char(45) NOT NULL DEFAULT '',
  GovernmentForm char(45) NOT NULL DEFAULT '',
  HeadOfState char(60) DEFAULT NULL,
  Capital int(11) DEFAULT NULL,
  Code2 char(2) NOT NULL DEFAULT '',
  PRIMARY KEY (Code)
);

CREATE TABLE t2 (
  ID int(11) NOT NULL AUTO_INCREMENT,
  Name char(35) NOT NULL DEFAULT '',
  CountryCode char(3) NOT NULL DEFAULT '',
  District char(20) NOT NULL DEFAULT '',
  Population int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (ID),
  KEY CountryCode (CountryCode)
);

--echo Fill the table with test data
--disable_query_log
insert into t2 (ID, Name, CountryCode, Population) values 
(1,'Kabul','AFG',1780000), (2,'Qandahar','AFG',237500), (3,'Herat','AFG',186800),
(4,'Mazar-e-Sharif','AFG',127800), (33,'Willemstad','ANT',2345), (34,'Tirana','ALB',270000),
(55,'Andorra la Vella','AND',21189), (61,'South Hill','AIA',961), (62,'The Valley','AIA',595),
(63,'Saint John�s','ATG',24000), (64,'Dubai','ARE',669181), (65,'Abu Dhabi','ARE',398695),
(66,'Sharja','ARE',320095), (67,'al-Ayn','ARE',225970), (68,'Ajman','ARE',114395),
(126,'Yerevan','ARM',1248700), (127,'Gjumri','ARM',211700), (128,'Vanadzor','ARM',172700),
(129,'Oranjestad','ABW',29034), (144,'Baku','AZE',1787800), (145,'G�nc�','AZE',299300),
(146,'Sumqayit','AZE',283000), (147,'Ming��evir','AZE',93900), (148,'Nassau','BHS',172000),
(149,'al-Manama','BHR',148000), (150,'Dhaka','BGD',3612850), (151,'Chittagong','BGD',1392860),
(152,'Khulna','BGD',663340), (153,'Rajshahi','BGD',294056), (154,'Narayanganj','BGD',202134),
(155,'Rangpur','BGD',191398), (156,'Mymensingh','BGD',188713), (157,'Barisal','BGD',170232),
(158,'Tungi','BGD',168702), (159,'Jessore','BGD',139710), (160,'Comilla','BGD',135313),
(161,'Nawabganj','BGD',130577), (162,'Dinajpur','BGD',127815), (163,'Bogra','BGD',120170),
(164,'Sylhet','BGD',117396), (165,'Brahmanbaria','BGD',109032), (166,'Tangail','BGD',106004),
(167,'Jamalpur','BGD',103556), (168,'Pabna','BGD',103277), (169,'Naogaon','BGD',101266),
(170,'Sirajganj','BGD',99669), (171,'Narsinghdi','BGD',98342), (172,'Saidpur','BGD',96777),
(173,'Gazipur','BGD',96717), (174,'Bridgetown','BRB',6070), (175,'Antwerpen','BEL',446525),
(176,'Gent','BEL',224180), (177,'Charleroi','BEL',200827), (178,'Li�ge','BEL',185639),
(179,'Bruxelles [Brussel]','BEL',133859), (180,'Brugge','BEL',116246), (181,'Schaerbeek','BEL',105692),
(182,'Namur','BEL',105419), (183,'Mons','BEL',90935), (184,'Belize City','BLZ',55810),
(185,'Belmopan','BLZ',7105), (190,'Saint George','BMU',1800), (191,'Hamilton','BMU',1200),
(192,'Thimphu','BTN',22000), (201,'Sarajevo','BIH',360000), (202,'Banja Luka','BIH',143079),
(203,'Zenica','BIH',96027), (538,'Bandar Seri Begawan','BRN',21484), (539,'Sofija','BGR',1122302),
(540,'Plovdiv','BGR',342584), (541,'Varna','BGR',299801), (542,'Burgas','BGR',195255),
(543,'Ruse','BGR',166467), (544,'Stara Zagora','BGR',147939), (545,'Pleven','BGR',121952),
(546,'Sliven','BGR',105530), (547,'Dobric','BGR',100399), (548,'�umen','BGR',94686),
(553,'George Town','CYM',19600), (584,'San Jos�','CRI',339131), (1523,'Wien','AUT',1608144),
(1524,'Graz','AUT',240967), (1525,'Linz','AUT',188022), (1526,'Salzburg','AUT',144247),
(1527,'Innsbruck','AUT',111752), (1528,'Klagenfurt','AUT',91141), (1810,'Montr�al','CAN',1016376),
(1811,'Calgary','CAN',768082), (1812,'Toronto','CAN',688275), (1813,'North York','CAN',622632),
(1814,'Winnipeg','CAN',618477), (1815,'Edmonton','CAN',616306), (1816,'Mississauga','CAN',608072),
(1817,'Scarborough','CAN',594501), (1818,'Vancouver','CAN',514008), (1819,'Etobicoke','CAN',348845),
(1820,'London','CAN',339917), (1821,'Hamilton','CAN',335614), (1822,'Ottawa','CAN',335277),
(1823,'Laval','CAN',330393), (1824,'Surrey','CAN',304477), (1825,'Brampton','CAN',296711),
(1826,'Windsor','CAN',207588), (1827,'Saskatoon','CAN',193647), (1828,'Kitchener','CAN',189959),
(1829,'Markham','CAN',189098), (1830,'Regina','CAN',180400), (1831,'Burnaby','CAN',179209),
(1832,'Qu�bec','CAN',167264), (1833,'York','CAN',154980), (1834,'Richmond','CAN',148867),
(1835,'Vaughan','CAN',147889), (1836,'Burlington','CAN',145150), (1837,'Oshawa','CAN',140173),
(1838,'Oakville','CAN',139192), (1839,'Saint Catharines','CAN',136216), (1840,'Longueuil','CAN',127977),
(1841,'Richmond Hill','CAN',116428), (1842,'Thunder Bay','CAN',115913), (1843,'Nepean','CAN',115100),
(1844,'Cape Breton','CAN',114733), (1845,'East York','CAN',114034), (1846,'Halifax','CAN',113910),
(1847,'Cambridge','CAN',109186), (1848,'Gloucester','CAN',107314), (1849,'Abbotsford','CAN',105403),
(1850,'Guelph','CAN',103593), (1851,'Saint John�s','CAN',101936), (1852,'Coquitlam','CAN',101820),
(1853,'Saanich','CAN',101388), (1854,'Gatineau','CAN',100702), (1855,'Delta','CAN',95411),
(1856,'Sudbury','CAN',92686), (1857,'Kelowna','CAN',89442), (1858,'Barrie','CAN',89269),
(1890,'Shanghai','CHN',9696300), (1891,'Peking','CHN',7472000), (1892,'Chongqing','CHN',6351600),
(1893,'Tianjin','CHN',5286800), (1894,'Wuhan','CHN',4344600), (1895,'Harbin','CHN',4289800),
(1896,'Shenyang','CHN',4265200), (1897,'Kanton [Guangzhou]','CHN',4256300), (1898,'Chengdu','CHN',3361500),
(1899,'Nanking [Nanjing]','CHN',2870300), (1900,'Changchun','CHN',2812000), (1901,'Xi�an','CHN',2761400),
(1902,'Dalian','CHN',2697000), (1903,'Qingdao','CHN',2596000), (1904,'Jinan','CHN',2278100),
(1905,'Hangzhou','CHN',2190500), (1906,'Zhengzhou','CHN',2107200), (1907,'Shijiazhuang','CHN',2041500),
(1908,'Taiyuan','CHN',1968400), (1909,'Kunming','CHN',1829500), (1910,'Changsha','CHN',1809800),
(1911,'Nanchang','CHN',1691600), (1912,'Fuzhou','CHN',1593800), (1913,'Lanzhou','CHN',1565800),
(1914,'Guiyang','CHN',1465200), (1915,'Ningbo','CHN',1371200), (1916,'Hefei','CHN',1369100),
(1917,'Urumt�i [�r�mqi]','CHN',1310100), (1918,'Anshan','CHN',1200000), (1919,'Fushun','CHN',1200000),
(1920,'Nanning','CHN',1161800), (1921,'Zibo','CHN',1140000), (1922,'Qiqihar','CHN',1070000),
(1923,'Jilin','CHN',1040000), (1924,'Tangshan','CHN',1040000), (1925,'Baotou','CHN',980000),
(1926,'Shenzhen','CHN',950500), (1927,'Hohhot','CHN',916700), (1928,'Handan','CHN',840000),
(1929,'Wuxi','CHN',830000), (1930,'Xuzhou','CHN',810000), (1931,'Datong','CHN',800000),
(1932,'Yichun','CHN',800000), (1933,'Benxi','CHN',770000), (1934,'Luoyang','CHN',760000),
(1935,'Suzhou','CHN',710000), (1936,'Xining','CHN',700200), (1937,'Huainan','CHN',700000),
(1938,'Jixi','CHN',683885), (1939,'Daqing','CHN',660000), (1940,'Fuxin','CHN',640000),
(1941,'Amoy [Xiamen]','CHN',627500), (1942,'Liuzhou','CHN',610000), (1943,'Shantou','CHN',580000),
(1944,'Jinzhou','CHN',570000), (1945,'Mudanjiang','CHN',570000), (1946,'Yinchuan','CHN',544500),
(1947,'Changzhou','CHN',530000), (1948,'Zhangjiakou','CHN',530000), (1949,'Dandong','CHN',520000),
(1950,'Hegang','CHN',520000), (1951,'Kaifeng','CHN',510000), (1952,'Jiamusi','CHN',493409),
(1953,'Liaoyang','CHN',492559), (1954,'Hengyang','CHN',487148), (1955,'Baoding','CHN',483155),
(1956,'Hunjiang','CHN',482043), (1957,'Xinxiang','CHN',473762), (1958,'Huangshi','CHN',457601),
(1959,'Haikou','CHN',454300), (1960,'Yantai','CHN',452127), (1961,'Bengbu','CHN',449245),
(1962,'Xiangtan','CHN',441968), (1963,'Weifang','CHN',428522), (1964,'Wuhu','CHN',425740),
(1965,'Pingxiang','CHN',425579), (1966,'Yingkou','CHN',421589), (1967,'Anyang','CHN',420332),
(1968,'Panzhihua','CHN',415466), (1969,'Pingdingshan','CHN',410775), (1970,'Xiangfan','CHN',410407),
(1971,'Zhuzhou','CHN',409924), (1972,'Jiaozuo','CHN',409100), (1973,'Wenzhou','CHN',401871),
(1974,'Zhangjiang','CHN',400997), (1975,'Zigong','CHN',393184), (1976,'Shuangyashan','CHN',386081),
(1977,'Zaozhuang','CHN',380846), (1978,'Yakeshi','CHN',377869), (1979,'Yichang','CHN',371601),
(1980,'Zhenjiang','CHN',368316), (1981,'Huaibei','CHN',366549), (1982,'Qinhuangdao','CHN',364972),
(1983,'Guilin','CHN',364130), (1984,'Liupanshui','CHN',363954), (1985,'Panjin','CHN',362773),
(1986,'Yangquan','CHN',362268), (1987,'Jinxi','CHN',357052), (1988,'Liaoyuan','CHN',354141),
(1989,'Lianyungang','CHN',354139), (1990,'Xianyang','CHN',352125), (1991,'Tai�an','CHN',350696),
(1992,'Chifeng','CHN',350077), (1993,'Shaoguan','CHN',350043), (1994,'Nantong','CHN',343341),
(1995,'Leshan','CHN',341128), (1996,'Baoji','CHN',337765), (1997,'Linyi','CHN',324720),
(1998,'Tonghua','CHN',324600), (1999,'Siping','CHN',317223), (2000,'Changzhi','CHN',317144),
(2001,'Tengzhou','CHN',315083), (2002,'Chaozhou','CHN',313469), (2003,'Yangzhou','CHN',312892),
(2004,'Dongwan','CHN',308669), (2005,'Ma�anshan','CHN',305421), (2006,'Foshan','CHN',303160),
(2007,'Yueyang','CHN',302800), (2008,'Xingtai','CHN',302789), (2009,'Changde','CHN',301276),
(2010,'Shihezi','CHN',299676), (2011,'Yancheng','CHN',296831), (2012,'Jiujiang','CHN',291187),
(2013,'Dongying','CHN',281728), (2014,'Shashi','CHN',281352), (2015,'Xintai','CHN',281248),
(2016,'Jingdezhen','CHN',281183), (2017,'Tongchuan','CHN',280657), (2018,'Zhongshan','CHN',278829),
(2019,'Shiyan','CHN',273786), (2020,'Tieli','CHN',265683), (2021,'Jining','CHN',265248),
(2022,'Wuhai','CHN',264081), (2023,'Mianyang','CHN',262947), (2024,'Luzhou','CHN',262892),
(2025,'Zunyi','CHN',261862), (2026,'Shizuishan','CHN',257862), (2027,'Neijiang','CHN',256012),
(2028,'Tongliao','CHN',255129), (2029,'Tieling','CHN',254842), (2030,'Wafangdian','CHN',251733),
(2031,'Anqing','CHN',250718), (2032,'Shaoyang','CHN',247227), (2033,'Laiwu','CHN',246833),
(2034,'Chengde','CHN',246799), (2035,'Tianshui','CHN',244974), (2036,'Nanyang','CHN',243303),
(2037,'Cangzhou','CHN',242708), (2038,'Yibin','CHN',241019), (2039,'Huaiyin','CHN',239675),
(2040,'Dunhua','CHN',235100), (2041,'Yanji','CHN',230892), (2042,'Jiangmen','CHN',230587),
(2043,'Tongling','CHN',228017), (2044,'Suihua','CHN',227881), (2045,'Gongziling','CHN',226569),
(2046,'Xiantao','CHN',222884), (2047,'Chaoyang','CHN',222394), (2048,'Ganzhou','CHN',220129),
(2049,'Huzhou','CHN',218071), (2050,'Baicheng','CHN',217987), (2051,'Shangzi','CHN',215373),
(2052,'Yangjiang','CHN',215196), (2053,'Qitaihe','CHN',214957), (2054,'Gejiu','CHN',214294),
(2055,'Jiangyin','CHN',213659), (2056,'Hebi','CHN',212976), (2057,'Jiaxing','CHN',211526),
(2058,'Wuzhou','CHN',210452), (2059,'Meihekou','CHN',209038), (2060,'Xuchang','CHN',208815),
(2061,'Liaocheng','CHN',207844), (2062,'Haicheng','CHN',205560), (2063,'Qianjiang','CHN',205504),
(2064,'Baiyin','CHN',204970), (2065,'Bei�an','CHN',204899), (2066,'Yixing','CHN',200824),
(2067,'Laizhou','CHN',198664), (2068,'Qaramay','CHN',197602), (2069,'Acheng','CHN',197595),
(2070,'Dezhou','CHN',195485), (2071,'Nanping','CHN',195064), (2072,'Zhaoqing','CHN',194784),
(2073,'Beipiao','CHN',194301), (2074,'Fengcheng','CHN',193784), (2075,'Fuyu','CHN',192981),
(2076,'Xinyang','CHN',192509), (2077,'Dongtai','CHN',192247), (2078,'Yuci','CHN',191356),
(2079,'Honghu','CHN',190772), (2080,'Ezhou','CHN',190123), (2081,'Heze','CHN',189293),
(2082,'Daxian','CHN',188101), (2083,'Linfen','CHN',187309), (2084,'Tianmen','CHN',186332),
(2085,'Yiyang','CHN',185818), (2086,'Quanzhou','CHN',185154), (2087,'Rizhao','CHN',185048),
(2088,'Deyang','CHN',182488), (2089,'Guangyuan','CHN',182241), (2090,'Changshu','CHN',181805),
(2091,'Zhangzhou','CHN',181424), (2092,'Hailar','CHN',180650), (2093,'Nanchong','CHN',180273),
(2094,'Jiutai','CHN',180130), (2095,'Zhaodong','CHN',179976), (2096,'Shaoxing','CHN',179818),
(2097,'Fuyang','CHN',179572), (2098,'Maoming','CHN',178683), (2099,'Qujing','CHN',178669),
(2100,'Ghulja','CHN',177193), (2101,'Jiaohe','CHN',176367), (2102,'Puyang','CHN',175988),
(2103,'Huadian','CHN',175873), (2104,'Jiangyou','CHN',175753), (2105,'Qashqar','CHN',174570),
(2106,'Anshun','CHN',174142), (2107,'Fuling','CHN',173878), (2108,'Xinyu','CHN',173524),
(2109,'Hanzhong','CHN',169930), (2110,'Danyang','CHN',169603), (2111,'Chenzhou','CHN',169400),
(2112,'Xiaogan','CHN',166280), (2113,'Shangqiu','CHN',164880), (2114,'Zhuhai','CHN',164747),
(2115,'Qingyuan','CHN',164641), (2116,'Aqsu','CHN',164092), (2117,'Jining','CHN',163552),
(2118,'Xiaoshan','CHN',162930), (2119,'Zaoyang','CHN',162198), (2120,'Xinghua','CHN',161910),
(2121,'Hami','CHN',161315), (2122,'Huizhou','CHN',161023), (2123,'Jinmen','CHN',160794),
(2124,'Sanming','CHN',160691), (2125,'Ulanhot','CHN',159538), (2126,'Korla','CHN',159344),
(2127,'Wanxian','CHN',156823), (2128,'Rui�an','CHN',156468), (2129,'Zhoushan','CHN',156317),
(2130,'Liangcheng','CHN',156307), (2131,'Jiaozhou','CHN',153364), (2132,'Taizhou','CHN',152442),
(2133,'Suzhou','CHN',151862), (2134,'Yichun','CHN',151585), (2135,'Taonan','CHN',150168),
(2136,'Pingdu','CHN',150123), (2137,'Ji�an','CHN',148583), (2138,'Longkou','CHN',148362),
(2139,'Langfang','CHN',148105), (2140,'Zhoukou','CHN',146288), (2141,'Suining','CHN',146086),
(2142,'Yulin','CHN',144467), (2143,'Jinhua','CHN',144280), (2144,'Liu�an','CHN',144248),
(2145,'Shuangcheng','CHN',142659), (2146,'Suizhou','CHN',142302), (2147,'Ankang','CHN',142170),
(2148,'Weinan','CHN',140169), (2149,'Longjing','CHN',139417), (2150,'Da�an','CHN',138963),
(2151,'Lengshuijiang','CHN',137994), (2152,'Laiyang','CHN',137080), (2153,'Xianning','CHN',136811),
(2154,'Dali','CHN',136554), (2155,'Anda','CHN',136446), (2156,'Jincheng','CHN',136396),
(2157,'Longyan','CHN',134481), (2158,'Xichang','CHN',134419), (2159,'Wendeng','CHN',133910),
(2160,'Hailun','CHN',133565), (2161,'Binzhou','CHN',133555), (2162,'Linhe','CHN',133183),
(2163,'Wuwei','CHN',133101), (2164,'Duyun','CHN',132971), (2165,'Mishan','CHN',132744),
(2166,'Shangrao','CHN',132455), (2167,'Changji','CHN',132260), (2168,'Meixian','CHN',132156),
(2169,'Yushu','CHN',131861), (2170,'Tiefa','CHN',131807), (2171,'Huai�an','CHN',131149),
(2172,'Leiyang','CHN',130115), (2173,'Zalantun','CHN',130031), (2174,'Weihai','CHN',128888),
(2175,'Loudi','CHN',128418), (2176,'Qingzhou','CHN',128258), (2177,'Qidong','CHN',126872),
(2178,'Huaihua','CHN',126785), (2179,'Luohe','CHN',126438), (2180,'Chuzhou','CHN',125341),
(2181,'Kaiyuan','CHN',124219), (2182,'Linqing','CHN',123958), (2183,'Chaohu','CHN',123676),
(2184,'Laohekou','CHN',123366), (2185,'Dujiangyan','CHN',123357), (2186,'Zhumadian','CHN',123232),
(2187,'Linchuan','CHN',121949), (2188,'Jiaonan','CHN',121397), (2189,'Sanmenxia','CHN',120523),
(2190,'Heyuan','CHN',120101), (2191,'Manzhouli','CHN',120023), (2192,'Lhasa','CHN',120000),
(2193,'Lianyuan','CHN',118858), (2194,'Kuytun','CHN',118553), (2195,'Puqi','CHN',117264),
(2196,'Hongjiang','CHN',116188), (2197,'Qinzhou','CHN',114586), (2198,'Renqiu','CHN',114256),
(2199,'Yuyao','CHN',114065), (2200,'Guigang','CHN',114025), (2201,'Kaili','CHN',113958),
(2202,'Yan�an','CHN',113277), (2203,'Beihai','CHN',112673), (2204,'Xuangzhou','CHN',112673),
(2205,'Quzhou','CHN',112373), (2206,'Yong�an','CHN',111762), (2207,'Zixing','CHN',110048),
(2208,'Liyang','CHN',109520), (2209,'Yizheng','CHN',109268), (2210,'Yumen','CHN',109234),
(2211,'Liling','CHN',108504), (2212,'Yuncheng','CHN',108359), (2213,'Shanwei','CHN',107847),
(2214,'Cixi','CHN',107329), (2215,'Yuanjiang','CHN',107004), (2216,'Bozhou','CHN',106346),
(2217,'Jinchang','CHN',105287), (2218,'Fu�an','CHN',105265), (2219,'Suqian','CHN',105021),
(2220,'Shishou','CHN',104571), (2221,'Hengshui','CHN',104269), (2222,'Danjiangkou','CHN',103211),
(2223,'Fujin','CHN',103104), (2224,'Sanya','CHN',102820), (2225,'Guangshui','CHN',102770),
(2226,'Huangshan','CHN',102628), (2227,'Xingcheng','CHN',102384), (2228,'Zhucheng','CHN',102134),
(2229,'Kunshan','CHN',102052), (2230,'Haining','CHN',100478), (2231,'Pingliang','CHN',99265),
(2232,'Fuqing','CHN',99193), (2233,'Xinzhou','CHN',98667), (2234,'Jieyang','CHN',98531),
(2235,'Zhangjiagang','CHN',97994), (2236,'Tong Xian','CHN',97168), (2237,'Ya�an','CHN',95900),
(2238,'Jinzhou','CHN',95761), (2239,'Emeishan','CHN',94000), (2240,'Enshi','CHN',93056),
(2241,'Bose','CHN',93009), (2242,'Yuzhou','CHN',92889), (2243,'Kaiyuan','CHN',91999),
(2244,'Tumen','CHN',91471), (2245,'Putian','CHN',91030), (2246,'Linhai','CHN',90870),
(2247,'Xilin Hot','CHN',90646), (2248,'Shaowu','CHN',90286), (2249,'Junan','CHN',90222),
(2250,'Huaying','CHN',89400), (2251,'Pingyi','CHN',89373), (2252,'Huangyan','CHN',89288),
(2413,'La Habana','CUB',2256000), (2414,'Santiago de Cuba','CUB',433180), (2415,'Camag�ey','CUB',298726),
(2416,'Holgu�n','CUB',249492), (2417,'Santa Clara','CUB',207350), (2418,'Guant�namo','CUB',205078),
(2419,'Pinar del R�o','CUB',142100), (2420,'Bayamo','CUB',141000), (2421,'Cienfuegos','CUB',132770),
(2422,'Victoria de las Tunas','CUB',132350), (2423,'Matanzas','CUB',123273), (2424,'Manzanillo','CUB',109350),
(2425,'Sancti-Sp�ritus','CUB',100751), (2426,'Ciego de �vila','CUB',98505), (2430,'Nicosia','CYP',195000),
(2431,'Limassol','CYP',154400), (3245,'Z�rich','CHE',336800), (3246,'Geneve','CHE',173500),
(3247,'Basel','CHE',166700), (3248,'Bern','CHE',122700), (3249,'Lausanne','CHE',114500),
(3339,'Praha','CZE',1181126), (3340,'Brno','CZE',381862), (3341,'Ostrava','CZE',320041),
(3342,'Plzen','CZE',166759), (3343,'Olomouc','CZE',102702), (3344,'Liberec','CZE',99155),
(3345,'Cesk� Budejovice','CZE',98186), (3346,'Hradec Kr�lov�','CZE',98080), (3347,'�st� nad Labem','CZE',95491),
(3348,'Pardubice','CZE',91309), (3520,'Minsk','BLR',1674000), (3521,'Gomel','BLR',475000),
(3522,'Mogiljov','BLR',356000), (3523,'Vitebsk','BLR',340000), (3524,'Grodno','BLR',302000),
(3525,'Brest','BLR',286000), (3526,'Bobruisk','BLR',221000), (3527,'Baranovit�i','BLR',167000),
(3528,'Borisov','BLR',151000), (3529,'Pinsk','BLR',130000), (3530,'Or�a','BLR',124000),
(3531,'Mozyr','BLR',110000), (3532,'Novopolotsk','BLR',106000), (3533,'Lida','BLR',101000),
(3534,'Soligorsk','BLR',101000), (3535,'Molodet�no','BLR',97000);

insert into t1 (Code, Name, Continent) values 
('AFG','Afghanistan','Asia'), ('ANT','Netherlands Antilles','North America'),
('ALB','Albania','Europe'), ('AND','Andorra','Europe'),
('AIA','Anguilla','North America'), ('ATG','Antigua and Barbuda','North America'),
('ARE','United Arab Emirates','Asia'), ('ARM','Armenia','Asia'),
('ABW','Aruba','North America'), ('AZE','Azerbaijan','Asia'),
('BHS','Bahamas','North America'), ('BHR','Bahrain','Asia'),
('BGD','Bangladesh','Asia'), ('BRB','Barbados','North America'),
('BEL','Belgium','Europe'), ('BLZ','Belize','North America'),
('BMU','Bermuda','North America'), ('BTN','Bhutan','Asia'),
('BIH','Bosnia and Herzegovina','Europe'), ('BRN','Brunei','Asia'),
('BGR','Bulgaria','Europe'), ('CYM','Cayman Islands','North America'),
('CRI','Costa Rica','North America'), ('AUT','Austria','Europe'),
('CAN','Canada','North America'), ('CHN','China','Asia'),
('CUB','Cuba','North America'), ('CYP','Cyprus','Asia'),
('CHE','Switzerland','Europe'), ('CZE','Czech Republic','Europe'),
('BLR','Belarus','Europe');
update t2 set population=6000000 where Name in ('Wien', 'Vancouver', 'Praha');
--enable_query_log

--echo This must not use LooseScan:
EXPLAIN SELECT Name FROM t1 
  WHERE t1.Code IN (
    SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);

SELECT Name FROM t1 
  WHERE t1.Code IN (
    SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);

drop table t1, t2;

#
# Bug#33062: subquery in stored routine cause crash
#

--disable_warnings
drop procedure if exists p1;
drop procedure if exists p2;
drop procedure if exists p3;
drop procedure if exists p4;
--enable_warnings
CREATE TABLE t1(a INT);
CREATE TABLE t2(c INT);

DELIMITER //;

CREATE PROCEDURE p1(v1 int)
BEGIN
  SELECT 1 FROM t1 WHERE a = v1 AND a IN (SELECT c FROM t2);
END
//

CREATE PROCEDURE p2(v1 int)
BEGIN
  SELECT 1 FROM t1 WHERE a IN (SELECT c FROM t2);
END
//

CREATE PROCEDURE p3(v1 int)
BEGIN
  SELECT 1 
  FROM 
    t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08,
    t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16,
    t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24,
    t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32,
    t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40,
    t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48,
    t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56,
    t1 t57,t1 t58,t1 t59,t1 t60
  WHERE t01.a IN (SELECT c FROM t2);
END
//

CREATE PROCEDURE p4(v1 int)
BEGIN
  SELECT 1 
  FROM 
    t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08,
    t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16,
    t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24,
    t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32,
    t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40,
    t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48,
    t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56,
    t1 t57,t1 t58,t1 t59,t1 t60
  WHERE t01.a = v1 AND t01.a IN (SELECT c FROM t2);
END
//

DELIMITER ;//

CALL p1(1);
CALL p2(1);
CALL p3(1);
CALL p4(1);

DROP TABLE t1, t2;
DROP PROCEDURE p1;
DROP PROCEDURE p2;
DROP PROCEDURE p3;
DROP PROCEDURE p4;

#
# BUG#35160 "Subquery optimization: table pullout is not reflected in EXPLAIN EXTENDED"
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4);

create table t1 (a int, b int, key(a));
insert into t1 select a,a from t0;
insert into t1 select a+5,a from t0;

create table t2 (a int, b int, primary key(a));
insert into t2 select * from t1;

# Table t2 should be pulled out because t2.a=t0.a equality
--echo Table t2, unlike table t1, should be displayed as pulled out
explain extended select * from t0
where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and
t1.b=t2.b);

#
# BUG#46556 "Returning incorrect, empty results for some IN subqueries 
#            w/ semijoin=on"
#

# The above query did not have a valid plan before the fix of BUG#46556.
# Add some data that would cause wrong result with the old plan.
update t1 set a=3, b=11 where a=4;
update t2 set b=11 where a=3;

if (`select @@join_cache_level=6`)
{
  --echo # Not anymore:
  --echo # The following query gives wrong result due to Bug#49129
}
select * from t0 where t0.a in 
  (select t1.a from t1, t2 where t2.a=t0.a and t1.b=t2.b);

drop table t0, t1, t2;

#
# BUG#35767: Processing of uncorrelated subquery with semi-join cause wrong result and crash
#
CREATE TABLE t1 (
  id int(11) NOT NULL,
  PRIMARY KEY (id));

CREATE TABLE t2 (
  id int(11) NOT NULL,
  fid int(11) NOT NULL,
  PRIMARY KEY (id));

insert into t1 values(1);
insert into t2 values(1,7503),(2,1);

--error 1054
explain select count(*) 
from t1 
where fid IN (select fid from t2 where (id between 7502 and 8420) order by fid );

drop table t1, t2;
 
#
# BUG#36137 "virtual longlong Item_in_subselect::val_int(): Assertion `0' failed."
#
create table t1 (a int, b int, key (a), key (b));
insert into t1 values (2,4),(2,4),(2,4);
select t1.a from t1 
where 
  t1.a in (select 1 from t1 where t1.a in (select 1 from t1) group by  t1.a);
drop table t1;

#
# BUG#36128: not in subquery causes crash in cleanup..
#
create table t1(a int,b int,key(a),key(b)); 
insert into t1 values (1,1),(2,2),(3,3);
select 1 from t1 
where t1.a not in (select 1 from t1 
                  where t1.a in (select 1 from t1) 
                  group by  t1.b);
drop table t1;

#
# BUG#33743 "nested subqueries, unique index, wrong result"
#
CREATE TABLE t1
 (EMPNUM   CHAR(3) NOT NULL,
  EMPNAME  CHAR(20),
  GRADE    DECIMAL(4),
  CITY     CHAR(15));

CREATE TABLE t2
 (PNUM     CHAR(3) NOT NULL,
  PNAME    CHAR(20),
  PTYPE    CHAR(6),
  BUDGET   DECIMAL(9),
  CITY     CHAR(15));

CREATE TABLE t3
 (EMPNUM   CHAR(3) NOT NULL,
  PNUM     CHAR(3) NOT NULL,
  HOURS    DECIMAL(5));

INSERT INTO t1 VALUES ('E1','Alice',12,'Deale');
INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna');
INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna');
INSERT INTO t1 VALUES ('E4','Don',12,'Deale');
INSERT INTO t1 VALUES ('E5','Ed',13,'Akron');

INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale');
INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna');
INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa');
INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale');
INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna');
INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale');

INSERT INTO t3 VALUES  ('E1','P1',40);
INSERT INTO t3 VALUES  ('E1','P2',20);
INSERT INTO t3 VALUES  ('E1','P3',80);
INSERT INTO t3 VALUES  ('E1','P4',20);
INSERT INTO t3 VALUES  ('E1','P5',12);
INSERT INTO t3 VALUES  ('E1','P6',12);
INSERT INTO t3 VALUES  ('E2','P1',40);
INSERT INTO t3 VALUES  ('E2','P2',80);
INSERT INTO t3 VALUES  ('E3','P2',20);
INSERT INTO t3 VALUES  ('E4','P2',20);
INSERT INTO t3 VALUES  ('E4','P4',40);
INSERT INTO t3 VALUES  ('E4','P5',80);

SELECT * FROM t1;
CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM);
--sorted_result
SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
   (SELECT EMPNUM
    FROM t3
    WHERE PNUM IN
       (SELECT PNUM
        FROM t2
        WHERE PTYPE = 'Design'));

DROP INDEX t1_IDX ON t1;
CREATE INDEX t1_IDX ON t1(EMPNUM);
--sorted_result
SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
   (SELECT EMPNUM
    FROM t3
    WHERE PNUM IN
       (SELECT PNUM
        FROM t2
        WHERE PTYPE = 'Design'));

DROP INDEX t1_IDX ON t1;
--sorted_result
SELECT EMPNAME
FROM t1
WHERE EMPNUM IN
   (SELECT EMPNUM
    FROM t3
    WHERE PNUM IN
       (SELECT PNUM
        FROM t2
        WHERE PTYPE = 'Design'));

DROP TABLE t1, t2, t3;

#
# BUG#33245 "Crash on VIEW referencing FROM table in an IN clause"
# 
CREATE TABLE t1 (f1 INT NOT NULL);
CREATE VIEW v1 (a) AS SELECT f1 IN (SELECT f1 FROM t1) FROM t1;
SELECT * FROM v1;
drop view v1;
drop table t1;

#
# BUG#35550 "Semi-join subquery in ON clause and no WHERE crashes the server"
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table t1(a int, b int);
insert into t1 values (0,0),(1,1),(2,2);
create table t2 as select * from t1;

create table t3 (pk int, a int, primary key(pk));
insert into t3 select a,a from t0;

explain 
select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t3));

drop table t0, t1, t2, t3;

#
# BUG#34799: crash or/and memory overrun with dependant subquery and some joins
#
create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table t2 (a char(200), b char(200), c char(200), primary key (a,b,c)) engine=innodb;
insert into t2 select concat(a, repeat('X',198)),repeat('B',200),repeat('B',200) from t1;
insert into t2 select concat(a, repeat('Y',198)),repeat('B',200),repeat('B',200) from t1;
alter table t2 add filler1 int;

insert into t1 select A.a + 10*(B.a + 10*C.a) from t1 A, t1 B, t1 C;

set @save_join_buffer_size=@@join_buffer_size; 
--disable_warnings
set join_buffer_size=1;
--enable_warnings

select * from t2 where filler1 in ( select a from t1);
set join_buffer_size=default;

drop table t1, t2; 
#
# BUG#33509: Server crashes with number of recursive subqueries=61
#  (the query may or may not fail with an error so we're using it with SP 
#  
create table t1 (a int not null);

--disable_warnings
drop procedure if exists p1;
--enable_warnings

delimiter |;

CREATE PROCEDURE p1()
BEGIN
  DECLARE EXIT HANDLER FOR SQLEXCEPTION select a from t1;
  prepare s1 from '
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
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  select a from t1 where a in ( 
  select a from t1 where a in ( 
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  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( 
  select a from t1 where a in ( select a from t1) 
  )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))';
  execute s1;
END;
|
delimiter ;|

call p1();
drop procedure p1;
drop table t1;

#
# BUG#35468 "Slowdown and wrong result for uncorrelated subquery w/o where"
#

create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int) as select A.a + 10 *(B.a + 10*C.a) as a  from t0 A, t0 B, t0 C;
create table t2 (id int, a int, primary key(id), key(a)) as select a as id, a as a  from t1;
show create table t2;
set @a=0;
create table t3 as select * from t2 limit 0;
insert into t3 select @a:=@a+1, t2.a from t2, t0;
insert into t3 select @a:=@a+1, t2.a from t2, t0;
insert into t3 select @a:=@a+1, t2.a from t2, t0;

alter table t3 add primary key(id), add key(a);
--echo The following must use loose index scan over t3, key a:
explain select count(a) from t2 where a in ( SELECT  a FROM t3);
select count(a) from t2 where a in ( SELECT  a FROM t3);

drop table t0,t1,t2,t3;

--echo
--echo BUG#42740: crash in optimize_semijoin_nests
--echo
create table t1 (c6 timestamp,key (c6)) engine=innodb;
create table t2 (c2 double) engine=innodb;
explain select 1 from t2 where c2 = any (select log10(null) from t1 where c6 <null)  ;
drop table t1, t2;

--echo # 
--echo # BUG#42742: crash in setup_sj_materialization, Copy_field::set
--echo # 
create table t3 ( c1 year) engine=innodb;
insert into t3 values (2135),(2142);
create table t2 (c1 tinytext,c2 text,c6 timestamp) engine=innodb;
-- echo # The following must not crash, EXPLAIN should show one SJ strategy, not a mix:
explain select 1 from t2 where 
  c2 in (select 1 from t3, t2) and
  c1 in (select convert(c6,char(1)) from t2);
drop table t2, t3;

--echo #
--echo # BUG#761598: InnoDB: Error: row_search_for_mysql() is called without ha_innobase::external_lock() in maria-5.3
--echo #

CREATE TABLE t1 ( f1 int NOT NULL , f10 int) ;
INSERT IGNORE INTO t1 VALUES (25,0),(29,0);

CREATE TABLE t2 ( f10 int) ENGINE=InnoDB;

CREATE TABLE t3 ( f11 int) ;
INSERT IGNORE INTO t3 VALUES (0);

SELECT alias1.f10 AS field2
FROM t2 AS alias1
JOIN (
        t3 AS alias2
        JOIN t1 AS alias3
        ON alias3.f10
) ON alias3.f1
WHERE alias2.f11 IN (
        SELECT SQ4_alias1.f10
        FROM t1 AS SQ4_alias1
        LEFT JOIN t2 AS SQ4_alias3 ON SQ4_alias3.f10
)
GROUP BY field2;
drop table t1, t2, t3;

--echo #
--echo # BUG#849763: Wrong result with second execution of prepared statement with semijoin + view
--echo #
CREATE TABLE t1 ( c varchar(1)) engine=innodb;
INSERT INTO t1 VALUES ('r');

CREATE TABLE t2 ( a integer, b varchar(1), c varchar(1)) engine=innodb;
INSERT INTO t2 VALUES (1,'r','r');

CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1;

PREPARE st1 FROM 'SELECT * FROM t2 WHERE a = SOME (SELECT a FROM v1 WHERE v1.c = t2.c)';
EXECUTE st1;
EXECUTE st1;

DROP VIEW v1;
DROP TABLE t1, t2;

--echo #
--echo # BUG#858732: Wrong result with semijoin + loosescan + comma join
--echo #
CREATE TABLE t1 (f13 int(11) NOT NULL , PRIMARY KEY (f13)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (16),(24);

CREATE TABLE t2 (f14 int(11) NOT NULL, f12 varchar(1) NOT NULL, KEY (f12,f14)) ENGINE=InnoDB;
INSERT INTO t2 VALUES (6,'y');

CREATE TABLE t3 (f12 varchar(1) NOT NULL) ENGINE=InnoDB;
INSERT INTO t3 VALUES ('r'),('s'),('t'),('v'),('w'),('x'),('y');

--echo # The following must use LooseScan but not join buffering
explain
SELECT * FROM t3 
WHERE f12 IN (SELECT alias2.f12 FROM t1 AS alias1, t2 AS alias2, t1 WHERE alias1.f13 = 24);

SELECT * FROM t3 
WHERE f12 IN (SELECT alias2.f12 FROM t1 AS alias1, t2 AS alias2, t1 WHERE alias1.f13 = 24);

DROP TABLE t1,t2,t3;

--echo #
--echo # BUG#869012: Wrong result with semijoin + materialization + AND in WHERE
--echo #
CREATE TABLE t1 (f3 varchar(1) , f4 varchar(1) ) engine=InnoDB;
INSERT IGNORE INTO t1 VALUES ('x','x'),('x','x');
CREATE TABLE t2 ( f4 varchar(1) ) ;
INSERT IGNORE INTO t2 VALUES ('g');
CREATE TABLE t3 (f4 varchar(1) ) Engine=InnoDB;
INSERT IGNORE INTO t3 VALUES ('x');

set @tmp_869012=@@optimizer_switch;
SET optimizer_switch='semijoin=on,materialization=on';
SELECT *
FROM t1 , t2
WHERE ( t1.f4 ) IN ( SELECT f4 FROM t3 )
AND t2.f4 != t1.f3 ;
set optimizer_switch= @tmp_869012;

DROP TABLE t1,t2,t3;

--echo #
--echo # BUG#869001: Wrong result with semijoin + materialization + firstmatch + multipart key
--echo #
set @tmp869001_jcl= @@join_cache_level;
set @tmp869001_os= @@optimizer_switch;
SET join_cache_level=0;
SET optimizer_switch='materialization=on,semijoin=on,firstmatch=on,loosescan=off';

CREATE TABLE t1 ( f2 int, f3 varchar(1), KEY (f3,f2)) engine=innodb;
INSERT INTO t1 VALUES (8,'x'),(NULL,'x'),(8,'c');

CREATE TABLE t2 ( f4 varchar(1)) engine=innodb;
INSERT INTO t2 VALUES ('x');

CREATE TABLE t3 ( f1 int) engine=innodb;
INSERT INTO t3 VALUES (8),(6),(2),(9),(6);

CREATE TABLE t4 ( f3 varchar(1)) engine=innodb;
INSERT INTO t4 VALUES ('p'),('j'),('c');

SELECT *
FROM t1 JOIN t2 ON (t2.f4 = t1.f3 )
WHERE ( 8 ) IN (
 SELECT t3.f1 FROM t3 , t4
);

DROP TABLE t1, t2, t3, t4;
set join_cache_level= @tmp869001_jcl;
set optimizer_switch= @tmp869001_os;

--echo # 
--echo # Bug #881318: join cache + duplicate elimination + left join
--echo #              with empty materialized derived inner table
--echo #

CREATE TABLE t1 (b varchar(1)) ENGINE=InnoDB;

CREATE TABLE t2 (a varchar(1)) ENGINE=InnoDB;
INSERT INTO t2 VALUES ('a');

CREATE TABLE t3 (a varchar(1), b varchar(1)) ENGINE=InnoDB;
INSERT INTO t3 VALUES ('c','c');

CREATE TABLE t4 (b varchar(1)) ENGINE=InnoDB;
INSERT INTO t4 VALUES ('c'), ('b');

CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;

EXPLAIN
SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
  WHERE t3.b IN (SELECT b FROM t4);
SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
  WHERE t3.b IN (SELECT b FROM t4);

DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;

--echo #
--echo # BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
--echo #
CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
INSERT INTO t1 VALUES (1),(2),(3),(4);

# t2 needs to be InnoDB
CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1);

SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);

DROP TABLE t1,t2;

--echo # 
--echo # BUG#962667: Assertion `0' failed in QUICK_INDEX_SORT_SELECT::need_sorted_output() 
--echo #   with index_merge+index_merge_sort_union+loosescan+semijoin
--echo #
CREATE TABLE t1 (
  a INT, b VARCHAR(1), c INT,
  KEY(a), KEY(b)
) ENGINE=InnoDB;

INSERT INTO t1 VALUES
(1,'v',9),(2,'v',8),(3,'c',7),(4,'m',6),(5,'x',5),
(6,'i',4),(7,'e',3),(8,'p',2),(9,'s',1),(10,'j',9),
(11,'z',8),(12,'c',7),(13,'a',6),(14,'q',5),(15,'y',4),
(16,'n',3),(17,'r',2),(18,'v',1),(19,'p',0);

CREATE TABLE t2 (
  pk INT, d VARCHAR(1), e INT,
  PRIMARY KEY(pk), KEY(d,e)
) ENGINE=InnoDB;

INSERT INTO t2 VALUES
(1,'x',1),(2,'d',2),(3,'r',3),(4,'f',4),(5,'y',5),
(6,'u',6),(7,'m',7),(8,'k',8),(9,'o',9),(10,'w',1),
(11,'m',2),(12,'q',3),(13,'m',4),(14,'d',5),
(15,'g',6),(16,'x',7),(17,'f',8);

explain
SELECT * FROM t1 WHERE b IN (
  SELECT d FROM t2, t1
  WHERE a = d AND ( pk < 2 OR d = 'z' )
);
SELECT * FROM t1 WHERE b IN (
  SELECT d FROM t2, t1
  WHERE a = d AND ( pk < 2 OR d = 'z' )
);

DROP TABLE t1, t2;

--echo #
--echo # BUG#951937: Wrong result (missing rows) with semijoin+materialization, IN subquery, InnoDB, TEMPTABLE view
--echo #
CREATE TABLE t1 (
  a VARCHAR(1),
  b VARCHAR(1) NOT NULL,
  KEY(a)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES
('j','j'),('v','v'),('c','c'),('m','m'),('d','d'),
('y','y'),('t','t'),('d','d'),('s','s'),('r','r'),
('m','m'),('b','b'),('x','x'),('g','g'),('p','p'),
('q','q'),('w','w'),('d','d'),('e','e');

CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;

--echo # This query returned 6 rows instead of 19
--sorted_result
SELECT * FROM v1
WHERE ( a, a ) IN (
  SELECT alias2.b, alias2.a
  FROM t1 AS alias1, t1 AS alias2
  WHERE alias2.b = alias1.a
    AND ( alias1.b >= alias1.a OR alias2.b = 'z' )
);

--echo # Another testcase, without the VIEW:
CREATE TABLE t2 (a VARCHAR(1), b VARCHAR(1) NOT NULL, KEY(a)) ENGINE=InnoDB;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t2 SELECT * FROM t1;
EXPLAIN 
SELECT * FROM t2 
 WHERE (a, a) IN (SELECT alias2.b, alias2.a FROM t1 AS alias1, t1 AS alias2 
                  WHERE 
                    alias2.b = alias1.a AND 
                    (alias1.b >= alias1.a OR alias2.b = 'z'));

--sorted_result
SELECT * FROM t2 
 WHERE (a, a) IN (SELECT alias2.b, alias2.a FROM t1 AS alias1, t1 AS alias2 
                  WHERE 
                    alias2.b = alias1.a AND 
                    (alias1.b >= alias1.a OR alias2.b = 'z'));

DROP VIEW v1;
DROP TABLE t1, t2;

--echo # 
--echo # BUG#965872: Server crashes in embedding_sjm on a simple 1-table select with AND and OR  
--echo #  (this is a regression caused by the fix for BUG#951937)
CREATE TABLE t1 ( a INT, b INT, c INT, d INT );
INSERT INTO t1 VALUES (4,2,8,9),(4,2,7,8);

SELECT * FROM t1
WHERE a = d AND ( b = 50 AND b = d OR a = c );
DROP TABLE t1;

--echo #
--echo # BUG#951283: Wrong result (missing rows) with semijoin+firstmatch, IN/ANY subquery
--echo #
set @tmp_951283=@@optimizer_prune_level;
SET optimizer_prune_level=0;

CREATE TABLE t1 ( a INT ) ENGINE=InnoDB;
INSERT INTO t1 VALUES
  (10),(11),(12),(13),(14),(15),(16),
  (17),(18),(19),(20),(21),(22),(23);

CREATE TABLE t2 (
  b INT PRIMARY KEY,
  c VARCHAR(1),
  d VARCHAR(1),
  KEY(c)
) ENGINE=InnoDB;

INSERT INTO t2 VALUES
  (1,'j','j'),(2,'v','v'),(3,'c','c'),(4,'m','m'),
  (5,'d','d'),(6,'d','d'),(7,'y','y'),(8,'t','t'),
  (9,'d','d'),(10,'s','s'),(11,'r','r'),(12,'m','m'),
  (13,'b','b'),(14,'x','x'),(15,'g','g'),(16,'p','p'),
  (17,'q','q'),(18,'w','w'),(19,'d','d');

EXPLAIN
SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
WHERE alias3.d IN (
  SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
  WHERE alias5.b = alias4.b
    AND ( alias5.b >= alias3.b OR alias5.c != alias3.c )
);

SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
WHERE alias3.d IN (
  SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
  WHERE alias5.b = alias4.b
    AND ( alias5.b >= alias3.b OR alias5.c != alias3.c )
);

# MDEV-8189 field<>const and const<>field are not symmetric
# Do the same EXPLAIN SELECT and SELECT
# with "alias3.c != alias5.c" instead of "alias5.c != alias3.c"

set optimizer_prune_level=@tmp_951283;
DROP TABLE t1,t2;

--echo #
--echo # Bug mdev-5135: crash on semijoin with nested outer joins
--echo #

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

CREATE TABLE t2 (i2 int, INDEX(i2)) ENGINE=MyISAM;

CREATE TABLE t3 (i3 int, c varchar(1), INDEX(i3), INDEX(c)) ENGINE=MyISAM;
INSERT INTO t3 VALUES (3,'x'),(4,'y');

SELECT * FROM t1 WHERE ( 1, 1 ) IN ( 
  SELECT i2, i2 FROM t2 LEFT OUTER JOIN ( 
    t3 AS t3a INNER JOIN t3 AS t3b ON ( t3a.i3 = t3b.i3 ) 
  ) ON ( t3a.c = t3b.c ) 
);

DROP TABLE t1,t2,t3;

--echo #
--echo # MDEV-5582: Plugin 'MEMORY' has ref_count=1 after shutdown with materialization+semijoin
--echo #
CREATE TABLE t1 (a INT) engine=innodb;
INSERT INTO t1 VALUES (8),(9);

CREATE TABLE t2 (b INT) engine=innodb;
INSERT INTO t2 VALUES (2),(3);

CREATE TABLE t3 (c INT, INDEX(c)) engine=innodb;
INSERT INTO t2 VALUES (4),(5);

explain
SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) );
SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) );

DROP TABLE t1,t2,t3;

--source include/have_innodb.inc

--disable_warnings
DROP TABLE IF EXISTS t1,t2,t3,t4;
--enable_warnings

--echo #
--echo # MDEV-4782: Valgrind warnings (Conditional jump or move depends on uninitialised value) with InnoDB, semijoin
--echo #
CREATE TABLE t1 ( t1_pk1 varchar(3), t1_pk2 varchar(52), PRIMARY KEY (t1_pk1,t1_pk2)) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('CHN','Chinese'),('USA','English');

CREATE TABLE t2 ( t2_i int(11), t2_c varchar(52)) ENGINE=InnoDB;
INSERT INTO t2 VALUES (86,'English');

CREATE TABLE t3 ( t3_i int(11), t3_c varchar(35)) ENGINE=InnoDB;
INSERT INTO t3 VALUES (3989,'Abilene'),(3873,'Akron');

create table t4 like t1;
insert into t4 select * from t1;

SELECT * FROM t1, t3 WHERE t3_c IN ( SELECT t1_pk2 FROM t4, t2 WHERE t2_c = t1_pk2 AND t2_i >= t3_i ) AND ( t1_pk1 = 'POL' );

explain
SELECT * FROM t1, t3 WHERE t3_c IN ( SELECT t1_pk2 FROM t4, t2 WHERE t2_c = t1_pk2 AND t2_i >= t3_i ) AND ( t1_pk1 = 'POL' );

DROP TABLE t1,t2,t3,t4;

--echo #
--echo # MDEV-6263: Wrong result when using IN subquery with order by
--echo #
CREATE TABLE t1 (
  id int(11) NOT NULL,
  nombre varchar(255) NOT NULL,
  PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

INSERT INTO t1 (id, nombre) VALUES
(1, 'row 1'),(2, 'row 2'),(3, 'row 3'),
(4, 'row 4'),(5, 'row 5'),(6, 'row 6');

CREATE TABLE t2 (
  id_algo int(11) NOT NULL,
  id_agente int(11) NOT NULL,
  PRIMARY KEY (id_algo,id_agente), 
  KEY another_data (id_agente)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

INSERT INTO t2 (id_algo, id_agente) VALUES
(1, 1),(1, 2),(2, 1),(2, 2),(2, 3),(3, 1);

SELECT * FROM t1 WHERE id in (select distinct id_agente from t2) ORDER BY nombre ASC;

SELECT * FROM t1 WHERE id in (select distinct id_agente from t2);

DROP TABLE t1, t2;

--echo #
--echo # MDEV-7474: Semi-Join's DuplicateWeedout strategy skipped for some values of optimizer_search_depth
--echo #

CREATE TABLE t1 (
	t1id BIGINT(20) NOT NULL,
	code VARCHAR(20),
	PRIMARY KEY (t1id)
) COLLATE='utf8mb4_bin' ENGINE=InnoDB;

CREATE TABLE t2 (
	t2id BIGINT(20) NOT NULL,
	t1idref BIGINT(20) NOT NULL,
	code VARCHAR(20),
	PRIMARY KEY (t2id),
	INDEX FK_T2_T1Id (t1idref),
	CONSTRAINT FK_T2_T1Id FOREIGN KEY (t1idref) REFERENCES t1 (t1id)
) COLLATE='utf8mb4_bin' ENGINE=InnoDB;

CREATE TABLE t3 (
	t3idref BIGINT(20) NOT NULL,
	t2idref BIGINT(20) NOT NULL,
	sequencenumber INT(10) NOT NULL,
	PRIMARY KEY (t3idref, t2idref),
	INDEX FK_T3_T2Id (t2idref),
	CONSTRAINT FK_T3_T2Id FOREIGN KEY (t2idref) REFERENCES t2 (t2id)
) COLLATE='utf8mb4_bin' ENGINE=InnoDB;

# Load up dummy data (needed to reproduce issue)
INSERT INTO t1 (t1id) VALUES (100001),(100017),(100018),(100026),(100027),(100028),(100029),(100030),
(100031),(100032),(100033),(100034),(100035),(100036),(100037),(100038),(100040),(100041),(100042),
(100043),(100044),(100045),(100046),(100047);

INSERT IGNORE INTO t2 (t2id, t1idref) SELECT t1id, t1id FROM t1;

# Now the test Data
INSERT IGNORE INTO t1 VALUES (200001, 'a');
INSERT IGNORE INTO t2 (t2id, t1idref) VALUES (200011, 200001),(200012, 200001),(200013, 200001);
INSERT IGNORE INTO t3 VALUES (1, 200011, 1),  (1, 200012, 2), (1, 200013, 3);

set @tmp7474= @@optimizer_search_depth;
SET SESSION optimizer_search_depth = 1;

let $query=
SELECT SQL_NO_CACHE 
T2_0_.t1idref,
T2_0_.t2id
FROM
        t2 T2_0_ 
WHERE
        T2_0_.t1idref IN (
                SELECT
                        T1_1_.t1id 
                FROM
                        t3 T3_0_ 
                INNER JOIN
                        t2 T2_1_ 
                                ON T3_0_.t2idref=T2_1_.t2id 
                INNER JOIN
                        t1 T1_1_ 
                                ON T2_1_.t1idref=T1_1_.t1id            
                WHERE
                        T3_0_.t3idref= 1
);

eval $query;
eval explain $query;

drop table t3,t2,t1;
set optimizer_search_depth=@tmp7474;

--echo #
--echo #
--echo #
CREATE TABLE t1 (
  id int(16) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE t2 (
  id int(16) NOT NULL AUTO_INCREMENT,
  t3_id int(16) NOT NULL DEFAULT '0',
  t1_id int(16) NOT NULL DEFAULT '0',
  PRIMARY KEY (id),
  KEY t3_idx (t3_id),
  KEY t1_idx (t1_id)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

CREATE TABLE t3 (
  id int(16) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (id)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

INSERT INTO t3 VALUES (1);

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

INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);

SELECT * FROM t1 WHERE t1.id IN (             
  SELECT t2.t1_id FROM t3 JOIN t2 ON t3.id = t2.t3_id WHERE t3.id = 1
);

drop table t1,t2,t3;

--echo #
--echo # MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table
--echo #

CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (pk BLOB, b INT, PRIMARY KEY(pk(1000))) ENGINE=InnoDB;
CREATE TABLE t3 (c INT) ENGINE=InnoDB;
CREATE OR REPLACE ALGORITHM=MERGE VIEW v3 AS SELECT * FROM t3;

INSERT INTO t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
SELECT * FROM t1, t2
WHERE a IN ( SELECT b FROM t2 LEFT JOIN v3 ON ( c = b ) ) ;
DROP TABLE t1,t2,t3;
DROP VIEW v3;

--echo # This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp;