drop table if exists t1,t2,t3; set @save_derived_optimizer_switch=@@optimizer_switch; set optimizer_switch='derived_merge=off,derived_with_keys=off'; select * from (select 2 from DUAL) b; 2 2 SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b; ERROR 42S22: Unknown column 'a' in 'field list' SELECT 1 as a FROM (SELECT a UNION SELECT 1) b; ERROR 42S22: Unknown column 'a' in 'field list' CREATE TABLE t1 (a int not null, b char (10) not null); insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c'); CREATE TABLE t2 (a int not null, b char (10) not null); insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e'); select t1.a,t3.y from t1,(select a as y from t2 where b='c') as t3 where t1.a = t3.y; a y 3 3 3 3 select t1.a,t3.a from t1,(select * from t2 where b='c') as t3 where t1.a = t3.a; a a 3 3 3 3 CREATE TABLE t3 (a int not null, b char (10) not null); insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c'); select t1.a,t4.y from t1,(select t2.a as y from t2,(select t3.b from t3 where t3.a>3) as t5 where t2.b=t5.b) as t4 where t1.a = t4.y; a y 3 3 3 3 SELECT a FROM (SELECT 1 FROM (SELECT 1) a HAVING a=1) b; ERROR 42S22: Unknown column 'a' in 'having clause' SELECT a,b as a FROM (SELECT '1' as a,'2' as b) b HAVING a=1; ERROR 23000: Column 'a' in having clause is ambiguous SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=2; a a 1 2 SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=1; a a SELECT 1 FROM (SELECT 1) a WHERE a=2; ERROR 42S22: Unknown column 'a' in 'where clause' SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) as a; ERROR 42S22: Unknown column 'a' in 'having clause' select * from t1 as x1, (select * from t1) as x2; a b a b 1 a 1 a 2 b 1 a 3 c 1 a 3 c 1 a 1 a 2 b 2 b 2 b 3 c 2 b 3 c 2 b 1 a 3 c 2 b 3 c 3 c 3 c 3 c 3 c 1 a 3 c 2 b 3 c 3 c 3 c 3 c 3 c explain select * from t1 as x1, (select * from t1) as x2; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY x1 ALL NULL NULL NULL NULL 4 1 PRIMARY ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 2 DERIVED t1 ALL NULL NULL NULL NULL 4 drop table if exists t2,t3; select * from (select 1) as a; 1 1 select a from (select 1 as a) as b; a 1 select 1 from (select 1) as a; 1 1 select * from (select * from t1 union select * from t1) a; a b 1 a 2 b 3 c select * from (select * from t1 union all select * from t1) a; a b 1 a 2 b 3 c 3 c 1 a 2 b 3 c 3 c select * from (select * from t1 union all select * from t1 limit 2) a; a b 1 a 2 b explain select * from (select * from t1 union select * from t1) a; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 8 2 DERIVED t1 ALL NULL NULL NULL NULL 4 3 UNION t1 ALL NULL NULL NULL NULL 4 NULL UNION RESULT ALL NULL NULL NULL NULL NULL explain select * from (select * from t1 union all select * from t1) a; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 8 2 DERIVED t1 ALL NULL NULL NULL NULL 4 3 UNION t1 ALL NULL NULL NULL NULL 4 CREATE TABLE t2 (a int not null); insert into t2 values(1); select * from (select * from t1 where t1.a=(select a from t2 where t2.a=t1.a)) a; a b 1 a select * from (select * from t1 where t1.a=(select t2.a from t2 where t2.a=t1.a) union select t1.a, t1.b from t1) a; a b 1 a 2 b 3 c explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 4 2 DERIVED t2 system NULL NULL NULL NULL 1 2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using where drop table t1, t2; create table t1(a int not null, t char(8), index(a)); SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20; a t 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 explain select count(*) from t1 as tt1, (select * from t1) as tt2; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY tt1 index NULL a 4 NULL 10000 Using index 1 PRIMARY ALL NULL NULL NULL NULL 10000 Using join buffer (flat, BNL join) 2 DERIVED t1 ALL NULL NULL NULL NULL 10000 drop table t1; SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b; (SELECT * FROM (SELECT 1 as a) as a ) 1 select * from (select 1 as a) b left join (select 2 as a) c using(a); a 1 SELECT * FROM (SELECT 1 UNION SELECT a) b; ERROR 42S22: Unknown column 'a' in 'field list' SELECT 1 as a FROM (SELECT a UNION SELECT 1) b; ERROR 42S22: Unknown column 'a' in 'field list' SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b; ERROR 42S22: Unknown column 'a' in 'field list' select 1 from (select 2) a order by 0; ERROR 42S22: Unknown column '0' in 'order clause' create table t1 (id int); insert into t1 values (1),(2),(3); describe select * from (select * from t1 group by id) bar; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 3 2 DERIVED t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort drop table t1; create table t1 (mat_id MEDIUMINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, matintnum CHAR(6) NOT NULL, test MEDIUMINT UNSIGNED NULL); create table t2 (mat_id MEDIUMINT UNSIGNED NOT NULL, pla_id MEDIUMINT UNSIGNED NOT NULL); insert into t1 values (NULL, 'a', 1), (NULL, 'b', 2), (NULL, 'c', 3), (NULL, 'd', 4), (NULL, 'e', 5), (NULL, 'f', 6), (NULL, 'g', 7), (NULL, 'h', 8), (NULL, 'i', 9); insert into t2 values (1, 100), (1, 101), (1, 102), (2, 100), (2, 103), (2, 104), (3, 101), (3, 102), (3, 105); SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; pla_id mat_id 100 1 101 1 102 1 103 2 104 2 105 3 SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; pla_id test 100 1 101 1 102 1 103 2 104 2 105 3 explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 1 PRIMARY ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 1 PRIMARY ALL NULL NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 drop table t1,t2; SELECT a.x FROM (SELECT 1 AS x) AS a HAVING a.x = 1; x 1 create user mysqltest_1; create table t1 select 1 as a; connect con1,localhost,mysqltest_1,,*NO-ONE*,$MASTER_MYPORT,$MASTER_MYSOCK; connection con1; set optimizer_switch='derived_merge=off,derived_with_keys=off'; select 2 as a from (select * from t1) b; ERROR 3D000: No database selected use test; select 2 as a from (select * from t1) b; a 2 drop table t1; select mail_id, if(folder.f_description!='', folder.f_description, folder.f_name) as folder_name, date, address_id, phrase, address, subject from folder, (select mail.mail_id as mail_id, date_format(mail.h_date, '%b %e, %Y %h:%i') as date, mail.folder_id, sender.address_id as address_id, sender.phrase as phrase, sender.address as address, mail.h_subject as subject from mail left join mxa as mxa_sender on mail.mail_id=mxa_sender.mail_id and mxa_sender.type='from' left join address as sender on mxa_sender.address_id=sender.address_id mxa as mxa_recipient, address as recipient, where 1 and mail.mail_id=mxa_recipient.mail_id and mxa_recipient.address_id=recipient.address_id and mxa_recipient.type='to' and match(sender.phrase, sender.address, sender.comment) against ('jeremy' in boolean mode) and match(recipient.phrase, recipient.address, recipient.comment) against ('monty' in boolean mode) order by mail.h_date desc limit 0, 25 ) as query where query.folder_id=folder.folder_id; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'mxa as mxa_recipient, address as recipient, where 1 and mail.mail_id=mx...' at line 1 create table t1 (a int); insert into t1 values (1),(2),(3); update (select * from t1) as t1 set a = 5; ERROR HY000: The target table t1 of the UPDATE is not updatable delete from (select * from t1); ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select * from t1)' at line 1 insert into (select * from t1) values (5); ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select * from t1) values (5)' at line 1 drop table t1; create table t1 (E1 INTEGER UNSIGNED NOT NULL, E2 INTEGER UNSIGNED NOT NULL, E3 INTEGER UNSIGNED NOT NULL, PRIMARY KEY(E1) ); insert into t1 VALUES(1,1,1), (2,2,1); select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2; count(*) 2 explain select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 2 1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 THEMAX.E2 1 Using where 2 DERIVED A ALL NULL NULL NULL NULL 2 Using where 3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where drop table t1; create table t1 (a int); insert into t1 values (1),(2); select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b; a a 1 1 2 1 1 2 2 2 explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 4 1 PRIMARY ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 4 DERIVED t1 ALL NULL NULL NULL NULL 2 5 UNION t1 ALL NULL NULL NULL NULL 2 NULL UNION RESULT ALL NULL NULL NULL NULL NULL 2 DERIVED t1 ALL NULL NULL NULL NULL 2 3 UNION t1 ALL NULL NULL NULL NULL 2 NULL UNION RESULT ALL NULL NULL NULL NULL NULL drop table t1; CREATE TABLE `t1` ( `N` int(11) unsigned NOT NULL default '0', `M` tinyint(1) default '0' ) ENGINE=MyISAM DEFAULT CHARSET=latin1; INSERT INTO `t1` (N, M) VALUES (1, 0),(1, 0),(1, 0),(2, 0),(2, 0),(3, 0); UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2; select * from t1; N M 1 2 1 2 1 2 2 2 2 2 3 0 UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2, P2.N = 2; ERROR HY000: The target table P2 of the UPDATE is not updatable UPDATE `t1` AS P1 INNER JOIN (SELECT aaaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2; ERROR 42S22: Unknown column 'aaaa' in 'field list' delete P1.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N; select * from t1; N M 3 0 delete P1.*,p2.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS p2 ON P1.N = p2.N; ERROR HY000: The target table p2 of the DELETE is not updatable delete P1.* from `t1` AS P1 INNER JOIN (SELECT aaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N; ERROR 42S22: Unknown column 'aaa' in 'field list' drop table t1; CREATE TABLE t1 ( OBJECTID int(11) NOT NULL default '0', SORTORDER int(11) NOT NULL auto_increment, KEY t1_SortIndex (SORTORDER), KEY t1_IdIndex (OBJECTID) ) ENGINE=MyISAM DEFAULT CHARSET=latin1; CREATE TABLE t2 ( ID int(11) default NULL, PARID int(11) default NULL, UNIQUE KEY t2_ID_IDX (ID), KEY t2_PARID_IDX (PARID) ) engine=MyISAM DEFAULT CHARSET=latin1; INSERT INTO t2 VALUES (1000,0),(1001,0),(1002,0),(1003,0),(1008,1),(1009,1),(1010,1),(1011,1),(1016,2); CREATE TABLE t3 ( ID int(11) default NULL, DATA decimal(10,2) default NULL, UNIQUE KEY t3_ID_IDX (ID) ) engine=MyISAM DEFAULT CHARSET=latin1; INSERT INTO t3 VALUES (1000,0.00),(1001,0.25),(1002,0.50),(1003,0.75),(1008,1.00),(1009,1.25),(1010,1.50),(1011,1.75); select 497, TMP.ID, NULL from (select 497 as ID, MAX(t3.DATA) as DATA from t1 join t2 on (t1.ObjectID = t2.ID) join t3 on (t1.ObjectID = t3.ID) group by t2.ParID order by DATA DESC) as TMP; 497 ID NULL drop table t1, t2, t3; CREATE TABLE t1 (name char(1) default NULL, val int(5) default NULL); INSERT INTO t1 VALUES ('a',1), ('a',2), ('a',2), ('a',2), ('a',3), ('a',6), ('a',7), ('a',11), ('a',11), ('a',12), ('a',13), ('a',13), ('a',20), ('b',2), ('b',3), ('b',4), ('b',5); SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x, t1 y WHERE x.name=y.name GROUP BY x.name, x.val HAVING SUM(y.val <= x.val) >= COUNT(*)/2 AND SUM(y.val >= x.val) >= COUNT(*)/2) AS s GROUP BY s.name; name median a 7.0000 b 3.5000 explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x, t1 y WHERE x.name=y.name GROUP BY x.name, x.val HAVING SUM(y.val <= x.val) >= COUNT(*)/2 AND SUM(y.val >= x.val) >= COUNT(*)/2) AS s GROUP BY s.name; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 289 Using temporary; Using filesort 2 DERIVED x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort 2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join) drop table t1; create table t2 (a int, b int, primary key (a)); insert into t2 values (1,7),(2,7); explain select a from t2 where a>1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 1 Using where; Using index explain select a from (select a from t2 where a>1) tt; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 2 2 DERIVED t2 range PRIMARY PRIMARY 4 NULL 1 Using where; Using index drop table t2; CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`)); insert into t1 values (128, 'rozn', 2, curdate(), 10), (128, 'rozn', 1, curdate(), 10); SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices; min max avg 10.00 10.00 10 DROP TABLE t1; create table t1 (a integer, b integer); insert into t1 values (1,4), (2,2),(2,2), (4,1),(4,1),(4,1),(4,1); select distinct sum(b) from t1 group by a; sum(b) 4 select distinct sum(b) from (select a,b from t1) y group by a; sum(b) 4 drop table t1; CREATE TABLE t1 (a char(10), b char(10)); INSERT INTO t1 VALUES ('root','localhost'), ('root','%'); SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c; ERROR 21000: Subquery returns more than 1 row DROP TABLE t1; create table t1(a int); create table t2(a int); create table t3(a int); insert into t1 values(1),(1); insert into t2 values(2),(2); insert into t3 values(3),(3); select * from t1 union distinct select * from t2 union all select * from t3; a 1 2 3 3 select * from (select * from t1 union distinct select * from t2 union all select * from t3) X; a 1 2 3 3 drop table t1, t2, t3; create table t1 (a int); create table t2 (a int); select * from (select * from t1,t2) foo; ERROR 42S21: Duplicate column name 'a' drop table t1,t2; create table t1 (ID int unsigned not null auto_increment, DATA varchar(5) not null, primary key (ID)); create table t2 (ID int unsigned not null auto_increment, DATA varchar(5) not null, FID int unsigned not null, primary key (ID)); select A.* from (t1 inner join (select * from t2) as A on t1.ID = A.FID); ID DATA FID select t2.* from ((select * from t1) as A inner join t2 on A.ID = t2.FID); ID DATA FID select t2.* from (select * from t1) as A inner join t2 on A.ID = t2.FID; ID DATA FID drop table t1, t2; connection con1; disconnect con1; connection default; drop user mysqltest_1; # End of 4.1 tests SELECT 0 FROM (SELECT 0) t01, (SELECT 0) t02, (SELECT 0) t03, (SELECT 0) t04, (SELECT 0) t05, (SELECT 0) t06, (SELECT 0) t07, (SELECT 0) t08, (SELECT 0) t09, (SELECT 0) t10, (SELECT 0) t11, (SELECT 0) t12, (SELECT 0) t13, (SELECT 0) t14, (SELECT 0) t15, (SELECT 0) t16, (SELECT 0) t17, (SELECT 0) t18, (SELECT 0) t19, (SELECT 0) t20, (SELECT 0) t21, (SELECT 0) t22, (SELECT 0) t23, (SELECT 0) t24, (SELECT 0) t25, (SELECT 0) t26, (SELECT 0) t27, (SELECT 0) t28, (SELECT 0) t29, (SELECT 0) t30, (SELECT 0) t31, (SELECT 0) t32, (SELECT 0) t33, (SELECT 0) t34, (SELECT 0) t35, (SELECT 0) t36, (SELECT 0) t37, (SELECT 0) t38, (SELECT 0) t39, (SELECT 0) t40, (SELECT 0) t41, (SELECT 0) t42, (SELECT 0) t43, (SELECT 0) t44, (SELECT 0) t45, (SELECT 0) t46, (SELECT 0) t47, (SELECT 0) t48, (SELECT 0) t49, (SELECT 0) t50, (SELECT 0) t51, (SELECT 0) t52, (SELECT 0) t53, (SELECT 0) t54, (SELECT 0) t55, (SELECT 0) t56, (SELECT 0) t57, (SELECT 0) t58, (SELECT 0) t59, (SELECT 0) t60, (SELECT 0) t61; 0 0 # # A nested materialized derived table is used before being populated. # (addon for bug#19077) # CREATE TABLE t1 (i INT, j BIGINT); INSERT INTO t1 VALUES (1, 2), (2, 2), (3, 2); SELECT * FROM (SELECT MIN(i) FROM t1 WHERE j = SUBSTRING('12', (SELECT * FROM (SELECT MIN(j) FROM t1) t2))) t3; MIN(i) 1 DROP TABLE t1; # End of 5.0 tests # # MDEV-5005: Subquery in Procedure somehow affecting temporary table # create temporary table if not exists t1 (id int not null); select A.* from ( select tt.* from t1 tt ) A; id prepare stmt from "select A.* from ( select tt.* from t1 tt ) A "; execute stmt; id deallocate prepare stmt; drop temporary table t1; CREATE PROCEDURE p () BEGIN select A.* from ( select tt.* from t1 tt ) A ; END | create temporary table if not exists t1 (id int not null); CALL p(); id CALL p(); id drop procedure p; drop temporary table t1; # # MDEV-5143: update of a joined table with a nested subquery with # a syntax error crashes mysqld with signal 11 # create table t1 (id int(11) not null auto_increment, val varchar(100) null,primary key (id)); create table t2 (id int(11) not null auto_increment, val varchar(100) null,primary key (id)); insert into t1 (val) values('a'); insert into t2 (val) values('1'); update ( select val from ( select v.val from t2 wrong_table_alias ) t4 ) t3 inner join t1 on t1.id=t3.val set t1.val=t3.val ; ERROR 42S22: Unknown column 'v.val' in 'field list' drop table t1, t2; # # MDEV-5353: server crash on subselect if WHERE applied to some # result field # SELECT * FROM ( SELECT 100 a, subsel.b FROM ( SELECT 200 b ) subsel ) tmp WHERE tmp.b; a b 100 200 SELECT * FROM ( SELECT 100 a, subsel.b FROM ( SELECT 200 b ) subsel ) tmp WHERE tmp.a; a b 100 200 # # MDEV-5356: Server crashes in Item_equal::contains on 2nd # execution of a PS # CREATE TABLE t1 (a INT, b INT); INSERT INTO t1 VALUES (1,2),(3,4); CREATE TABLE t2 (c INT); INSERT INTO t2 VALUES (5),(6); CREATE TABLE t3 (d INT); INSERT INTO t3 VALUES (7),(8); CREATE PROCEDURE pr() UPDATE t3, (SELECT c FROM (SELECT 1 FROM t1 WHERE a=72 AND NOT b) sq, t2 ) sq2 SET d=sq2.c; CALL pr(); CALL pr(); CALL pr(); drop procedure pr; drop table t1,t2,t3; # End of 5.3 tests # # Bug#58730 Assertion failed: table->key_read == 0 in close_thread_table, # temptable views # CREATE TABLE t1 (a INT); CREATE TABLE t2 (b INT, KEY (b)); INSERT INTO t1 VALUES (1),(1); INSERT INTO t2 VALUES (1),(1); CREATE algorithm=temptable VIEW v1 AS SELECT 1 FROM t1 LEFT JOIN t1 t3 ON 1 > (SELECT 1 FROM t1); CREATE algorithm=temptable VIEW v2 AS SELECT 1 FROM t2; EXPLAIN SELECT 1 FROM t1 JOIN v1 ON 1 > (SELECT 1 FROM v2); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 1 PRIMARY ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 3 DERIVED t1 ALL NULL NULL NULL NULL 2 3 DERIVED t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) 4 SUBQUERY t1 ALL NULL NULL NULL NULL 2 2 SUBQUERY ALL NULL NULL NULL NULL 2 5 DERIVED t2 index NULL b 5 NULL 2 Using index SELECT 1 FROM t1 JOIN v1 ON 1 > (SELECT 1 FROM v2); ERROR 21000: Subquery returns more than 1 row DROP TABLE t1, t2; DROP VIEW v1, v2; create table t1 (n bigint(20) unsigned, d1 datetime, d2 datetime, key (d1)); insert t1 values (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00'); insert t1 values (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00'); insert t1 values (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00'); select * from ( select n, d1, d2, @result := 0 as result from t1 where d1 < '2012-12-12 12:12:12' and n in (2085, 2084) order by d2 asc ) as calculated_result; n d1 d2 result 2085 2012-01-01 00:00:00 2013-01-01 00:00:00 0 2084 2012-02-01 00:00:00 2013-01-01 00:00:00 0 drop table t1; set @save_derived_optimizer_switch_bug=@@optimizer_switch; SET optimizer_switch = 'derived_merge=on,derived_with_keys=on,in_to_exists=on'; CREATE TABLE t1 (a INT) ENGINE=MyISAM; INSERT INTO t1 VALUES (8); CREATE TABLE t2 (b INT) ENGINE=MyISAM; INSERT INTO t2 VALUES (1),(7); EXPLAIN SELECT * FROM (SELECT * FROM t1) AS table1, (SELECT DISTINCT * FROM t2) AS table2 WHERE b = a AND a <> ANY (SELECT 9); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 system NULL NULL NULL NULL 1 1 PRIMARY ref key0 key0 5 const 0 3 DERIVED t2 ALL NULL NULL NULL NULL 2 Using where; Using temporary Warnings: Note 1249 Select 4 was reduced during optimization DROP TABLE t1, t2; set optimizer_switch=@save_derived_optimizer_switch_bug; # # MDEV-6163: Error while executing an update query that has the # same table in a sub-query # set @save_derived_optimizer_switch_bug=@@optimizer_switch; SET optimizer_switch = 'derived_merge=on'; create table t1 (balance float, accountId varchar(64), primary key (accountId)); insert into t1 (accountId,balance) values ('dealer-1',199354.0),('dealer-2',0),('dealer-3',0),('dealer-5',0),('FINANCE',-200000),('OPERATOR',0); update t1 set balance=(select sum(balance) from (SELECT balance FROM t1 where accountId like 'dealer%') AS copied) where accountId = 'OPERATOR'; set optimizer_switch=@save_derived_optimizer_switch_bug; drop table t1; # # MDEV-6219:Server crashes in Bitmap<64u>::merge # (this=0x180, map2=...) on 2nd execution of PS with INSERT .. SELECT, # derived_merge # CREATE TABLE t1 (a VARCHAR(8)) ENGINE=MyISAM; INSERT INTO t1 VALUES ('foo'),('bar'); create procedure p1() INSERT INTO t1 SELECT * FROM ( SELECT * FROM t1 ) AS sq WHERE sq.a IN ( SELECT 'baz' FROM DUAL ); call p1(); call p1(); drop procedure p1; PREPARE stmt FROM " INSERT INTO t1 SELECT * FROM ( SELECT * FROM t1 ) AS sq WHERE sq.a IN ( SELECT 'baz' FROM DUAL ) "; EXECUTE stmt; EXECUTE stmt; deallocate prepare stmt; drop table t1; # # MDEV-6892: WHERE does not apply # create table t1 (id int); create table t2 (id int); insert into t1 values(1),(2),(3); insert into t2 values(4),(5),(6); select x.id, message from (select id from t1) x left join (select id, 1 as message from t2) y on x.id=y.id where coalesce(message,0) <> 0; id message explain extended select x.id, message from (select id from t1) x left join (select id, 1 as message from t2) y on x.id=y.id where message <> 0; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 3 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 Warnings: Note 1003 /* select#1 */ select `x`.`id` AS `id`,`y`.`message` AS `message` from (/* select#2 */ select `test`.`t1`.`id` AS `id` from `test`.`t1`) `x` join (/* select#3 */ select `test`.`t2`.`id` AS `id`,1 AS `message` from `test`.`t2`) `y` where `y`.`id` = `x`.`id` and `y`.`message` <> 0 drop table t1,t2; # # MDEV-7827: Assertion `!table || (!table->read_set || # bitmap_is_set(table->read_set, field_index))' failed # in Field_long::val_str on EXPLAIN EXTENDED # CREATE TABLE t1 (f1 INT, f2 INT, KEY(f2)) ENGINE=MyISAM; INSERT INTO t1 VALUES (6,9); CREATE TABLE t2 (f3 INT) ENGINE=MyISAM; INSERT INTO t2 VALUES (2),(0); EXPLAIN EXTENDED SELECT f1 FROM ( SELECT * FROM t1 ) AS sq WHERE f1 IN ( SELECT f3 FROM t2 WHERE f2 IN ( SELECT f3 FROM t2 HAVING f3 >= 8 ) ); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY system NULL NULL NULL NULL 1 100.00 1 PRIMARY eq_ref distinct_key distinct_key 4 const 1 100.00 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(); Using join buffer (flat, BNL join) 4 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 2 DERIVED t1 system NULL NULL NULL NULL 1 100.00 Warnings: Note 1276 Field or reference 'sq.f2' of SELECT #3 was resolved in SELECT #1 Note 1003 /* select#1 */ select 6 AS `f1` from (/* select#4 */ select `test`.`t2`.`f3` from `test`.`t2` having `test`.`t2`.`f3` >= 8) semi join (`test`.`t2`) where ``.`f3` = 9 and `test`.`t2`.`f3` = 6 DROP TABLE t2,t1; # # MDEV-9462: Out of memory using explain on 2 empty tables # CREATE TABLE `t1` ( `REC_GROUP` char(2) DEFAULT NULL, `CLIENT_INFO` text CHARACTER SET utf8, `NAME` text, `PHONE_NUMBER` text, `ATTENTION_NAME` text, `PAYMENT_TERM` text CHARACTER SET utf8, `CREDIT_LIMIT` decimal(12,2) DEFAULT NULL, `LAST_PAY_DATE` text CHARACTER SET utf8, `TOTAL` double DEFAULT NULL, `TOTAL_MCL` double DEFAULT NULL, `TOTAL_MFS` double DEFAULT NULL, `TOTAL_MIS` double DEFAULT NULL, `BEFORE_DUE_7_MCL` double DEFAULT NULL, `BEFORE_DUE_7_MFS` double DEFAULT NULL, `BEFORE_DUE_7_MIS` double DEFAULT NULL, `PER1_MCL` double DEFAULT NULL, `PER1_MFS` double DEFAULT NULL, `PER1_MIS` double DEFAULT NULL, `PER2_MCL` double DEFAULT NULL, `PER2_MFS` double DEFAULT NULL, `PER2_MIS` double DEFAULT NULL, `PER3_MCL` double DEFAULT NULL, `PER3_MFS` double DEFAULT NULL, `PER3_MIS` double DEFAULT NULL, `PER4_MCL` double DEFAULT NULL, `PER4_MFS` double DEFAULT NULL, `PER4_MIS` double DEFAULT NULL, `PER5_MCL` double DEFAULT NULL, `PER5_MFS` double DEFAULT NULL, `PER5_MIS` double DEFAULT NULL, `PER6_MCL` double DEFAULT NULL, `PER6_MFS` double DEFAULT NULL, `PER6_MIS` double DEFAULT NULL, `PER7_MCL` double DEFAULT NULL, `PER7_MFS` double DEFAULT NULL, `PER7_MIS` double DEFAULT NULL, `BEFORE_DUE_7` double DEFAULT NULL, `PER1` double DEFAULT NULL, `PER2` double DEFAULT NULL, `PER3` double DEFAULT NULL, `PER4` double DEFAULT NULL, `PER5` double DEFAULT NULL, `PER6` double DEFAULT NULL, `PER7` double DEFAULT NULL, `REF` varchar(30) DEFAULT NULL, `TYPE` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL ); CREATE TABLE `t2` ( `RECEIVABLE_GROUP` char(2) DEFAULT NULL, `CLIENT_NUMBER` varchar(35) DEFAULT NULL, `CLIENT_NAME` varchar(73) DEFAULT NULL, `PHONE_NUMBER` char(12) DEFAULT NULL, `ATTENTION_NAME` char(26) DEFAULT NULL, `PAYMENT_TERM` varchar(26) CHARACTER SET utf8 DEFAULT NULL, `CREDIT_LIMIT` decimal(12,2) DEFAULT NULL, `LAST_PAY_DATE` varchar(42) CHARACTER SET utf8 DEFAULT NULL, `TOTAL` decimal(12,2) DEFAULT NULL, `BEFORE_DUE_7` decimal(12,2) DEFAULT NULL, `PER1` decimal(12,2) DEFAULT NULL, `PER2` decimal(12,2) DEFAULT NULL, `PER3` decimal(12,2) DEFAULT NULL, `PER4` decimal(12,2) DEFAULT NULL, `PER5` decimal(12,2) DEFAULT NULL, `PER6` decimal(12,2) DEFAULT NULL, `PER7` decimal(12,2) DEFAULT NULL, `DIVISION` varchar(3) CHARACTER SET utf8 NOT NULL, `CLIENT_INFO` varchar(294) CHARACTER SET utf8 DEFAULT NULL, `EXCHANGE_RATE` double NOT NULL, `REF` varchar(30) DEFAULT NULL ); explain SELECT A.RECEIVABLE_GROUP,A.CLIENT_INFO,A.CLIENT_NAME,A.PHONE_NUMBER,A.ATTENTION_NAME,A.PAYMENT_TERM,A.CREDIT_LIMIT,A.LAST_PAY_DATE,A.TOTAL, COALESCE(B.TOTAL_MCL,0) AS TOTAL_MCL, COALESCE(C.TOTAL_MFS,0) AS TOTAL_MFS, COALESCE(D.TOTAL_MIS,0) AS TOTAL_MIS, COALESCE(F.BEFORE_DUE_7_MCL,0) AS BEFORE_DUE_7_MCL, COALESCE(G.BEFORE_DUE_7_MFS,0) AS BEFORE_DUE_7_MFS, COALESCE(H.BEFORE_DUE_7_MIS,0) AS BEFORE_DUE_7_MIS, COALESCE(I.PER1_MCL,0) AS PER1_MCL, COALESCE(J.PER1_MFS,0) AS PER1_MFS, COALESCE(K.PER1_MIS,0) AS PER1_MIS, COALESCE(L.PER2_MCL,0) AS PER2_MCL, COALESCE(M.PER2_MFS,0) AS PER2_MFS, COALESCE(N.PER2_MIS,0) AS PER2_MIS, COALESCE(O.PER3_MCL,0) AS PER3_MCL, COALESCE(P.PER3_MFS,0) AS PER3_MFS, COALESCE(R.PER3_MIS,0) AS PER3_MIS, COALESCE(S.PER4_MCL,0) AS PER4_MCL, COALESCE(T.PER4_MFS,0) AS PER4_MFS, COALESCE(U.PER4_MIS,0) AS PER4_MIS, COALESCE(V.PER5_MCL,0) AS PER5_MCL, COALESCE(X.PER5_MFS,0) AS PER5_MFS, COALESCE(Z.PER5_MIS,0) AS PER5_MIS, COALESCE(Q.PER6_MCL,0) AS PER6_MCL, COALESCE(Y.PER6_MFS,0) AS PER6_MFS, COALESCE(W.PER6_MIS,0) AS PER6_MIS, COALESCE(A1.PER7_MCL,0) AS PER7_MCL, COALESCE(B1.PER7_MFS,0) AS PER7_MFS, COALESCE(C1.PER7_MIS,0) AS PER7_MIS, A.BEFORE_DUE_7,A.PER1,A.PER2,A.PER3,A.PER4,A.PER5,A.PER6,A.PER7, CONCAT(A.DIVISION,'-',A.CLIENT_NUMBER) AS REF,"2" AS TYPE FROM (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER, GROUP_CONCAT(DISTINCT CLIENT_INFO SEPARATOR '
') AS CLIENT_INFO, GROUP_CONCAT(DISTINCT CLIENT_NAME SEPARATOR '
') AS CLIENT_NAME, GROUP_CONCAT( DISTINCT `PHONE_NUMBER` SEPARATOR '
' ) AS PHONE_NUMBER , GROUP_CONCAT( DISTINCT `ATTENTION_NAME` SEPARATOR '
' ) AS ATTENTION_NAME, GROUP_CONCAT( DISTINCT `PAYMENT_TERM` SEPARATOR '
' ) AS PAYMENT_TERM, CREDIT_LIMIT , GROUP_CONCAT( `LAST_PAY_DATE` SEPARATOR '
' ) AS LAST_PAY_DATE, SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL, SUM( `BEFORE_DUE_7`*EXCHANGE_RATE ) AS BEFORE_DUE_7, SUM( `PER1`*EXCHANGE_RATE ) AS PER1, SUM( `PER2`*EXCHANGE_RATE ) AS PER2, SUM( `PER3`*EXCHANGE_RATE ) AS PER3, SUM( `PER4`*EXCHANGE_RATE ) AS PER4, SUM( `PER5`*EXCHANGE_RATE ) AS PER5, SUM( `PER6`*EXCHANGE_RATE ) AS PER6, SUM( `PER7`*EXCHANGE_RATE ) AS PER7 FROM `t2` WHERE REF IS NULL GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS A LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS B ON A.CLIENT_NUMBER=B.CLIENT_NUMBER AND A.DIVISION=B.DIVISION AND A.RECEIVABLE_GROUP=B.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=B.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS C ON A.CLIENT_NUMBER=C.CLIENT_NUMBER AND A.DIVISION=C.DIVISION AND A.RECEIVABLE_GROUP=C.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=C.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( `TOTAL`*EXCHANGE_RATE ) AS TOTAL_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS D ON A.CLIENT_NUMBER=D.CLIENT_NUMBER AND A.DIVISION=D.DIVISION AND A.RECEIVABLE_GROUP=D.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=D.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS F ON A.CLIENT_NUMBER=F.CLIENT_NUMBER AND A.DIVISION=F.DIVISION AND A.RECEIVABLE_GROUP=F.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=F.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS G ON A.CLIENT_NUMBER=G.CLIENT_NUMBER AND A.DIVISION=G.DIVISION AND A.RECEIVABLE_GROUP=G.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=G.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( BEFORE_DUE_7*EXCHANGE_RATE ) AS BEFORE_DUE_7_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS H ON A.CLIENT_NUMBER=H.CLIENT_NUMBER AND A.DIVISION=H.DIVISION AND A.RECEIVABLE_GROUP=H.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=H.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS I ON A.CLIENT_NUMBER=I.CLIENT_NUMBER AND A.DIVISION=I.DIVISION AND A.RECEIVABLE_GROUP=I.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=I.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS J ON A.CLIENT_NUMBER=J.CLIENT_NUMBER AND A.DIVISION=J.DIVISION AND A.RECEIVABLE_GROUP=J.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=J.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER1*EXCHANGE_RATE ) AS PER1_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS K ON A.CLIENT_NUMBER=K.CLIENT_NUMBER AND A.DIVISION=K.DIVISION AND A.RECEIVABLE_GROUP=K.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=K.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS L ON A.CLIENT_NUMBER=L.CLIENT_NUMBER AND A.DIVISION=L.DIVISION AND A.RECEIVABLE_GROUP=L.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=L.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS M ON A.CLIENT_NUMBER=M.CLIENT_NUMBER AND A.DIVISION=M.DIVISION AND A.RECEIVABLE_GROUP=M.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=M.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER2*EXCHANGE_RATE ) AS PER2_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS N ON A.CLIENT_NUMBER=N.CLIENT_NUMBER AND A.DIVISION=N.DIVISION AND A.RECEIVABLE_GROUP=N.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=N.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS O ON A.CLIENT_NUMBER=O.CLIENT_NUMBER AND A.DIVISION=O.DIVISION AND A.RECEIVABLE_GROUP=O.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=O.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS P ON A.CLIENT_NUMBER=P.CLIENT_NUMBER AND A.DIVISION=P.DIVISION AND A.RECEIVABLE_GROUP=P.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=P.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER3*EXCHANGE_RATE ) AS PER3_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS R ON A.CLIENT_NUMBER=R.CLIENT_NUMBER AND A.DIVISION=R.DIVISION AND A.RECEIVABLE_GROUP=R.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=R.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS S ON A.CLIENT_NUMBER=S.CLIENT_NUMBER AND A.DIVISION=S.DIVISION AND A.RECEIVABLE_GROUP=S.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=S.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS T ON A.CLIENT_NUMBER=T.CLIENT_NUMBER AND A.DIVISION=T.DIVISION AND A.RECEIVABLE_GROUP=T.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=T.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER4*EXCHANGE_RATE ) AS PER4_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS U ON A.CLIENT_NUMBER=U.CLIENT_NUMBER AND A.DIVISION=U.DIVISION AND A.RECEIVABLE_GROUP=U.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=U.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS V ON A.CLIENT_NUMBER=V.CLIENT_NUMBER AND A.DIVISION=V.DIVISION AND A.RECEIVABLE_GROUP=V.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=V.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS X ON A.CLIENT_NUMBER=X.CLIENT_NUMBER AND A.DIVISION=X.DIVISION AND A.RECEIVABLE_GROUP=X.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=X.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER5*EXCHANGE_RATE ) AS PER5_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Z ON A.CLIENT_NUMBER=Z.CLIENT_NUMBER AND A.DIVISION=Z.DIVISION AND A.RECEIVABLE_GROUP=Z.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Z.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Q ON A.CLIENT_NUMBER=Q.CLIENT_NUMBER AND A.DIVISION=Q.DIVISION AND A.RECEIVABLE_GROUP=Q.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Q.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS Y ON A.CLIENT_NUMBER=Y.CLIENT_NUMBER AND A.DIVISION=Y.DIVISION AND A.RECEIVABLE_GROUP=Y.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=Y.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER6*EXCHANGE_RATE ) AS PER6_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS W ON A.CLIENT_NUMBER=W.CLIENT_NUMBER AND A.DIVISION=W.DIVISION AND A.RECEIVABLE_GROUP=W.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=W.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MCL FROM `t2` WHERE REF IS NULL AND DIVISION="MCL" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS A1 ON A.CLIENT_NUMBER=A1.CLIENT_NUMBER AND A.DIVISION=A1.DIVISION AND A.RECEIVABLE_GROUP=A1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=A1.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MFS FROM `t2` WHERE REF IS NULL AND DIVISION="MFS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS B1 ON A.CLIENT_NUMBER=B1.CLIENT_NUMBER AND A.DIVISION=B1.DIVISION AND A.RECEIVABLE_GROUP=B1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=B1.CREDIT_LIMIT LEFT JOIN (SELECT RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT,SUM( PER7*EXCHANGE_RATE ) AS PER7_MIS FROM `t2` WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_NUMBER,CREDIT_LIMIT) AS C1 ON A.CLIENT_NUMBER=C1.CLIENT_NUMBER AND A.DIVISION=C1.DIVISION AND A.RECEIVABLE_GROUP=C1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=C1.CREDIT_LIMIT ORDER BY TOTAL DESC; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 1 PRIMARY system NULL NULL NULL NULL 0 Const row not found 29 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 28 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 27 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 26 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 25 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 24 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 23 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 22 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 21 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 20 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 19 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 18 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 17 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 16 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 15 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 14 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 13 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 12 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 11 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 10 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 9 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 8 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 7 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 6 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 5 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 4 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 3 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table DROP TABLES t1,t2; set optimizer_switch=@save_derived_optimizer_switch; # # MDEV-10663: Use of Inline table columns in HAVING clause # throws 1463 Error # set @save_sql_mode = @@sql_mode; set sql_mode='ONLY_FULL_GROUP_BY,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; CREATE TABLE `example1463` ( `Customer` varchar(255) NOT NULL, `DeliveryStatus` varchar(255) NOT NULL, `OrderSize` int(11) NOT NULL ); INSERT INTO example1463 VALUES ('Charlie', 'Success', 100); INSERT INTO example1463 VALUES ('David', 'Success', 110); INSERT INTO example1463 VALUES ('Charlie', 'Failed', 200); INSERT INTO example1463 VALUES ('David', 'Success', 100); INSERT INTO example1463 VALUES ('David', 'Unknown', 100); INSERT INTO example1463 VALUES ('Edward', 'Success', 150); INSERT INTO example1463 VALUES ('Edward', 'Pending', 150); SELECT Customer, Success, SUM(OrderSize) FROM (SELECT Customer, CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success, OrderSize FROM example1463) as subQ GROUP BY Success, Customer WITH ROLLUP; Customer Success SUM(OrderSize) Charlie No 200 David No 100 Edward No 150 NULL No 450 Charlie Yes 100 David Yes 210 Edward Yes 150 NULL Yes 460 NULL NULL 910 SELECT Customer, Success, SUM(OrderSize) FROM (SELECT Customer, CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success, OrderSize FROM example1463) as subQ GROUP BY Success, Customer; Customer Success SUM(OrderSize) Charlie No 200 David No 100 Edward No 150 Charlie Yes 100 David Yes 210 Edward Yes 150 SELECT Customer, Success, SUM(OrderSize) FROM (SELECT Customer, CASE WHEN DeliveryStatus='Success' THEN 'Yes' ELSE 'No' END AS Success, OrderSize FROM example1463) as subQ GROUP BY Success, Customer HAVING Success IS NOT NULL; Customer Success SUM(OrderSize) Charlie No 200 David No 100 Edward No 150 Charlie Yes 100 David Yes 210 Edward Yes 150 DROP TABLE example1463; set sql_mode= @save_sql_mode; # # MDEV-9028: SELECT DISTINCT constant column of derived table # used as the second operand of LEFT JOIN # create table t1 (id int, data varchar(255)); insert into t1 values (1,'yes'),(2,'yes'); select distinct t1.id, tt.id, tt.data from t1 left join (select t1.id, 'yes' as data from t1) as tt on t1.id = tt.id; id id data 1 1 yes 2 2 yes select distinct t1.id, tt.id, tt.data from t1 left join (select t1.id, 'yes' as data from t1 where id > 1) as tt on t1.id = tt.id; id id data 2 2 yes 1 NULL NULL drop table t1; # # MDEV-14241: Server crash in key_copy / get_matching_chain_by_join_key # or valgrind warnings # CREATE TABLE t1 (a VARCHAR(10)) ENGINE=MyISAM; CREATE OR REPLACE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; INSERT INTO t1 VALUES ('foo'),('bar'); CREATE TABLE t2 (b integer auto_increment primary key) ENGINE=MyISAM; INSERT INTO t2 VALUES (NULL),(NULL); CREATE TABLE t3 (c VARCHAR(1024) CHARACTER SET utf8, d INT) ENGINE=MyISAM; CREATE OR REPLACE ALGORITHM=TEMPTABLE VIEW v3 AS SELECT * FROM t3; INSERT INTO t3 VALUES ('abc',NULL),('def',4); INSERT INTO t1 select seq from seq_1_to_1000; INSERT INTO t2 select seq+1000 from seq_1_to_1000; INSERT INTO t3 select 'qqq',seq+2000 from seq_1_to_1000; set @save_join_cache_level= @@join_cache_level; SET join_cache_level= 8; explain SELECT * FROM v1, t2, v3 WHERE a = c AND b = d; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 1002 1 PRIMARY hash_ALL NULL #hash#$hj 3075 func 1002 Using where; Using join buffer (flat, BNLH join) 1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 v3.d 1 Using index 3 DERIVED t3 ALL NULL NULL NULL NULL 1002 2 DERIVED t1 ALL NULL NULL NULL NULL 1002 SELECT * FROM v1, t2, v3 WHERE a = c AND b = d; a b c d DROP VIEW v1, v3; DROP TABLE t1, t2, t3; # # MDEV-14786: Server crashes in Item_cond::transform on 2nd # execution of SP querying from a view # create table t1 (i int, row_start timestamp(6) not null default now(), row_end timestamp(6) not null default '2030-01-01 0:0:0'); create view v1 as select i from t1 where i < 5 and (row_end = TIMESTAMP'2030-01-01 0:0:0' or row_end is null); create procedure pr(x int) select i from v1; call pr(1); i call pr(2); i drop procedure pr; drop view v1; drop table t1; set @@join_cache_level= @save_join_cache_level; # # MDEV-16307: Incorrect results when using BNLH join instead of BNL join with views # CREATE TABLE t1 (c1 text, c2 int); INSERT INTO t1 VALUES ('a',1), ('c',3), ('g',7), ('d',4), ('c',3); CREATE TABLE t2 (c1 text, c2 int); INSERT INTO t2 VALUES ('b',2), ('c',3); CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; explain SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 1 PRIMARY ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join) 2 DERIVED t1 ALL NULL NULL NULL NULL 5 SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1; c1 c2 c1 c2 c 3 c 3 c 3 c 3 set @save_join_cache_level= @@join_cache_level; set @@join_cache_level=4; explain SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where 1 PRIMARY hash_ALL NULL #hash#$hj 3 test.t2.c1 5 Using where; Using join buffer (flat, BNLH join) 2 DERIVED t1 ALL NULL NULL NULL NULL 5 SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1; c1 c2 c1 c2 c 3 c 3 c 3 c 3 drop table t1,t2; drop view v1; set @@join_cache_level= @save_join_cache_level; # end of 5.5 # # Start of 10.1 tests # # # MDEV-8747 Wrong result for SELECT..WHERE derived_table_column='a' AND derived_table_column<>_latin1'A' COLLATE latin1_bin # CREATE TABLE t1 (a VARCHAR(10)); INSERT INTO t1 VALUES ('a'),('A'); SELECT * FROM t1 WHERE a='a' AND a <> _latin1'A' COLLATE latin1_bin; a a SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a='a' AND a <> _latin1'A' COLLATE latin1_bin; a a DROP TABLE t1; CREATE TABLE t1 (a ENUM('5','6')); INSERT INTO t1 VALUES ('5'),('6'); SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a='5'; a 5 SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a=1; a 5 SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a='5' AND a=1; a 5 DROP TABLE t1; # # MDEV-8749 Wrong result for SELECT..WHERE derived_table_enum_column='number' AND derived_table_enum_column OP number2 # CREATE TABLE t1 (a ENUM('5','6')); INSERT INTO t1 VALUES ('5'),('6'); SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a='5'; a 5 SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a=1; a 5 SELECT * FROM (SELECT * FROM t1) AS table1 WHERE a='5' AND a=1; a 5 DROP TABLE t1; # # End of 10.1 tests # # # MDEV-10554: Assertion `!derived->first_select()-> # exclude_from_table_unique_test || derived->outer_select()-> # exclude_from_table_unique_test' # failed in TABLE_LIST::set_check_merged() # CREATE TABLE t1 (f INT); CREATE ALGORITHM = TEMPTABLE VIEW v1 AS SELECT * FROM ( SELECT * FROM t1 ) AS sq; PREPARE stmt FROM 'SELECT * FROM v1'; EXECUTE stmt; f EXECUTE stmt; f drop view v1; drop table t1; # # MDEV-11363: Assertion `!derived->first_sel ect()->first_inner_unit() || # derived->first_select()->first_inner_unit()->first_select()-> # exclude_from_table_unique_test' failed in # TABLE_LIST::set_check_materialized() # CREATE TABLE t1 (f1 INT); CREATE TABLE t2 (f2 INT); CREATE TABLE t3 (f3 INT); CREATE VIEW v1 AS ( SELECT f1 AS f FROM t1 ) UNION ( SELECT f2 AS f FROM t2 ); CREATE VIEW v2 AS SELECT f3 AS f FROM t3; CREATE VIEW v3 AS SELECT f FROM ( SELECT f3 AS f FROM v1, t3 ) AS sq; CREATE VIEW v4 AS SELECT COUNT(*) as f FROM v3; REPLACE INTO v2 ( SELECT * FROM v4 ) UNION ( SELECT f FROM v2 ); drop view v1,v2,v3,v4; drop table t1,t2,t3; # # End of 10.2 tests # # # MDEV-9959: A serious MariaDB server performance bug # create table t1(a int); insert into t1 values (1),(2),(3),(4),(5),(6); create table t2(a int, b int,c int); insert into t2(a,b,c) values (1,1,2),(2,2,3),(3,1,4),(4,2,2),(5,1,1),(6,2,5); create table t3(a int, b int); insert into t3(a,b) values (1,1),(2,2),(2,1),(1,2),(5,1),(9,2); table "" should have type=ref and rows=1 one select in derived table with distinct analyze select * from t1 , ((select distinct t2.a from t2 order by c))q where t1.a=q.a; id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using where 1 PRIMARY ref key0 key0 5 test.t1.a 1 1.00 100.00 100.00 2 DERIVED t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using temporary; Using filesort analyze select * from t1 , ((select distinct t2.a, t2.b from t2 order by c))q where t1.a=q.a; id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using where 1 PRIMARY ref key0 key0 5 test.t1.a 2 1.00 100.00 100.00 2 DERIVED t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using temporary; Using filesort # multiple selects in derived table # NO UNION ALL analyze select * from t1 , ( (select t2.a from t2 order by c) union (select t2.a from t2 order by c))q where t1.a=q.a; id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using where 1 PRIMARY ref key0 key0 5 test.t1.a 1 1.00 100.00 100.00 2 DERIVED t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 3 UNION t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 NULL UNION RESULT ALL NULL NULL NULL NULL NULL 6.00 NULL NULL select * from t1 , ( (select t2.a from t2 order by c) union (select t2.a from t2 order by c))q where t1.a=q.a; a a 1 1 2 2 3 3 4 4 5 5 6 6 # UNION ALL and EXCEPT analyze select * from t1 , ( (select t2.a from t2 order by c) union all (select t2.a from t2 order by c) except(select t3.a from t3 order by b))q where t1.a=q.a; id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 Using where 1 PRIMARY ref key0 key0 5 test.t1.a 1 0.50 100.00 100.00 2 DERIVED t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 3 UNION t2 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 4 EXCEPT t3 ALL NULL NULL NULL NULL 6 6.00 100.00 100.00 NULL UNIT RESULT ALL NULL NULL NULL NULL NULL 3.00 NULL NULL select * from t1 , ( (select t2.a from t2 order by c) union all (select t2.a from t2 order by c) except(select t3.a from t3 order by b))q where t1.a=q.a; a a 3 3 4 4 6 6 drop table t1,t2,t3;