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Diffstat (limited to 'mysql-test/t/subselect_sj2.test')
| -rw-r--r-- | mysql-test/t/subselect_sj2.test | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/mysql-test/t/subselect_sj2.test b/mysql-test/t/subselect_sj2.test new file mode 100644 index 00000000000..e73e7cfade2 --- /dev/null +++ b/mysql-test/t/subselect_sj2.test @@ -0,0 +1,904 @@ +# +# DuplicateElimination strategy test +# +--source include/have_innodb.inc +--disable_warnings +drop table if exists t0, t1, t2, t3; +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; + +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; + +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= 8000; + +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; + +explain select * from t3 where b in (select a from t0); +# Because of BUG#40154, run the next select w/o index condition pushdown: +set @save_ecp= @@engine_condition_pushdown; +set engine_condition_pushdown=0; +select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5); +set engine_condition_pushdown=@save_ecp; + +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= 8000; + +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; + +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); + +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 + +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); + +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 +# + +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; + +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 ( + 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 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; + |