# # DuplicateElimination strategy test # --source include/have_innodb.inc --source include/have_sequence.inc set @innodb_stats_persistent_save= @@innodb_stats_persistent; set @innodb_stats_persistent_sample_pages_save= @@innodb_stats_persistent_sample_pages; set global innodb_stats_persistent= 1; set global innodb_stats_persistent_sample_pages=100; 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; insert into t1 values (1030,30),(1031,31),(1032,32),(1033,33); 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; analyze table t1,t2,t3; 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; analyze table t3 persistent for all; --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 where a in (select b from t2); drop table t1, t2, t3; # (no need for anything in range/index_merge/DS-MRR) --echo # --echo # Test join buffering --echo # 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; 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 # 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); 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=@save_join_buffer_size; 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 0 ); SELECT * FROM t1 WHERE b IN ( SELECT d FROM t2, t1 WHERE a = d AND ( pk < 2 OR d = 'z' ) and f > 0 ); 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'); ANALYZE TABLE t1; 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; ANALYZE TABLE t2; 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'); analyze table t1 persistent for all; analyze table t2 persistent for all; --replace_column 9 # 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" --replace_column 9 # 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 alias3.c != alias5.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 alias3.c != alias5.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; --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); ANALYZE TABLE t1,t2,t3; 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 global innodb_stats_persistent= @innodb_stats_persistent_save; set global innodb_stats_persistent_sample_pages= @innodb_stats_persistent_sample_pages_save; set optimizer_switch=@subselect_sj2_tmp;