derived.result

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	<derived2>	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	<derived2>	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	<union2,3>	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	<derived2>	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	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
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	<derived2>	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	<derived2>	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	<derived2>	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	<derived2>	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	<derived2>	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;
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=mxa_r' 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	<derived2>	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	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
1	PRIMARY	<derived4>	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	<union4,5>	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	<union2,3>	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	<derived2>	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	index	PRIMARY	PRIMARY	4	NULL	2	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	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
2	DERIVED	t2	index	PRIMARY	PRIMARY	4	NULL	2	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;
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	<derived3>	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	<derived5>	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	<derived3>	ref	key0	key0	5	const	0	
3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	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;
set optimizer_switch=@save_derived_optimizer_switch;
#
# 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	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`id` AS `id`,1 AS `message` from `test`.`t1` join `test`.`t2` where (`test`.`t2`.`id` = `test`.`t1`.`id`)
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	t1	system	NULL	NULL	NULL	NULL	1	100.00	
1	PRIMARY	<subquery4>	eq_ref	distinct_key	distinct_key	4	test.t1.f2	1	100.00	
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; FirstMatch(<subquery4>); Using join buffer (flat, BNL join)
4	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	
Warnings:
Note	1276	Field or reference 'f2' of SELECT #3 was resolved in SELECT #1
Note	1003	select 6 AS `f1` from  <materialize> (select `test`.`t2`.`f3` from `test`.`t2` having (`test`.`t2`.`f3` >= 8)) semi join (`test`.`t2`) where ((`test`.`t2`.`f3` = 6) and (9 = `<subquery4>`.`f3`))
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 '<br>') AS CLIENT_INFO,
GROUP_CONCAT(DISTINCT CLIENT_NAME SEPARATOR '<br>') AS CLIENT_NAME, 
GROUP_CONCAT( DISTINCT `PHONE_NUMBER` SEPARATOR '<br>' ) AS PHONE_NUMBER , 
GROUP_CONCAT( DISTINCT `ATTENTION_NAME` SEPARATOR '<br>' )  AS ATTENTION_NAME, 
GROUP_CONCAT( DISTINCT `PAYMENT_TERM` SEPARATOR '<br>' ) AS PAYMENT_TERM, 
CREDIT_LIMIT , 
GROUP_CONCAT( `LAST_PAY_DATE` SEPARATOR '<br>' ) 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	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived3>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived4>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived5>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived6>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived7>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived8>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived9>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived10>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived11>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived12>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived13>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived14>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived15>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived16>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived17>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived18>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived19>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived20>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived21>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived22>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived23>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived24>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived25>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived26>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived27>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived28>	system	NULL	NULL	NULL	NULL	0	const row not found
1	PRIMARY	<derived29>	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;
#
# 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);
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	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
1	PRIMARY	<derived3>	hash_ALL	NULL	#hash#$hj	3075	func	2	Using where; Using join buffer (flat, BNLH join)
1	PRIMARY	t2	eq_ref	PRIMARY	PRIMARY	4	v3.d	1	Using index
3	DERIVED	t3	ALL	NULL	NULL	NULL	NULL	2	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	
SELECT * FROM v1, t2, v3 WHERE a = c AND b = d;
a	b	c	d
DROP VIEW v1, v3;
DROP TABLE t1, t2, t3;
#
# MDEV-14786: Server crashes in Item_cond::transform on 2nd
# execution of SP querying from a view
#
create table t1 (i int, row_start timestamp(6) not null default now(),
row_end timestamp(6) not null default '2030-01-01 0:0:0');
create view v1 as select i from t1 where i < 5 and (row_end =
TIMESTAMP'2030-01-01 0:0:0' or row_end is null);
create procedure pr(x int) select i from v1;
call pr(1);
i
call pr(2);
i
drop procedure pr;
drop view v1;
drop table t1;
set @@join_cache_level= @save_join_cache_level;
#
# MDEV-16307: Incorrect results when using BNLH join instead of BNL join with views
#
CREATE TABLE t1 (c1 text, c2 int);
INSERT INTO t1 VALUES ('a',1), ('c',3), ('g',7), ('d',4), ('c',3);
CREATE TABLE t2 (c1 text, c2 int);
INSERT INTO t2 VALUES ('b',2), ('c',3);
CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
explain SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	5	Using where; Using join buffer (flat, BNL join)
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	5	
SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1;
c1	c2	c1	c2
c	3	c	3
c	3	c	3
set @save_join_cache_level= @@join_cache_level;
set @@join_cache_level=4;
explain SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
1	PRIMARY	<derived2>	hash_ALL	NULL	#hash#$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