mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	The error message modified.
Then the TABLE_SHARE::error_table_name() implementation taken from 10.3,
          to be used as a name of the table in this message.
		
	
		
			
				
	
	
		
			3048 lines
		
	
	
		
			100 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			3048 lines
		
	
	
		
			100 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
drop table if exists t1, t2, t3, t10, t100;
 | 
						|
CREATE TABLE t1 (
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event_date date DEFAULT '0000-00-00' NOT NULL,
 | 
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type int(11) DEFAULT '0' NOT NULL,
 | 
						|
event_id int(11) DEFAULT '0' NOT NULL,
 | 
						|
PRIMARY KEY (event_date,type,event_id)
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);
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INSERT INTO t1 VALUES ('1999-07-10',100100,24), ('1999-07-11',100100,25),
 | 
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('1999-07-13',100600,0), ('1999-07-13',100600,4), ('1999-07-13',100600,26),
 | 
						|
('1999-07-14',100600,10), ('1999-07-15',100600,16), ('1999-07-15',100800,45),
 | 
						|
('1999-07-15',101000,47), ('1999-07-16',100800,46), ('1999-07-20',100600,5),
 | 
						|
('1999-07-20',100600,27), ('1999-07-21',100600,11), ('1999-07-22',100600,17),
 | 
						|
('1999-07-23',100100,39), ('1999-07-24',100100,39), ('1999-07-24',100500,40),
 | 
						|
('1999-07-25',100100,39), ('1999-07-27',100600,1), ('1999-07-27',100600,6),
 | 
						|
('1999-07-27',100600,28), ('1999-07-28',100600,12), ('1999-07-29',100500,41),
 | 
						|
('1999-07-29',100600,18), ('1999-07-30',100500,41), ('1999-07-31',100500,41),
 | 
						|
('1999-08-01',100700,34), ('1999-08-03',100600,7), ('1999-08-03',100600,29),
 | 
						|
('1999-08-04',100600,13), ('1999-08-05',100500,42), ('1999-08-05',100600,19),
 | 
						|
('1999-08-06',100500,42), ('1999-08-07',100500,42), ('1999-08-08',100500,42),
 | 
						|
('1999-08-10',100600,2), ('1999-08-10',100600,9), ('1999-08-10',100600,30),
 | 
						|
('1999-08-11',100600,14), ('1999-08-12',100600,20), ('1999-08-17',100500,8),
 | 
						|
('1999-08-17',100600,31), ('1999-08-18',100600,15), ('1999-08-19',100600,22),
 | 
						|
('1999-08-24',100600,3), ('1999-08-24',100600,32), ('1999-08-27',100500,43),
 | 
						|
('1999-08-31',100600,33), ('1999-09-17',100100,37), ('1999-09-18',100100,37),
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('1999-09-19',100100,37), ('2000-12-18',100700,38);
 | 
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select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
 | 
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event_date	type	event_id
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1999-07-10	100100	24
 | 
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1999-07-11	100100	25
 | 
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1999-07-13	100600	0
 | 
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1999-07-13	100600	4
 | 
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1999-07-13	100600	26
 | 
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1999-07-14	100600	10
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explain select event_date,type,event_id from t1 WHERE type = 100601 and event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
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id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
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						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
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select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date <= "1999-07-15" AND (type=100600 OR type=100100) or event_date >= "1999-07-01" AND event_date <= "1999-07-15" AND type=100099;
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event_date	type	event_id
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						|
1999-07-10	100100	24
 | 
						|
1999-07-11	100100	25
 | 
						|
1999-07-13	100600	0
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1999-07-13	100600	4
 | 
						|
1999-07-13	100600	26
 | 
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1999-07-14	100600	10
 | 
						|
1999-07-15	100600	16
 | 
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drop table t1;
 | 
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CREATE TABLE t1 (
 | 
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PAPER_ID smallint(6) DEFAULT '0' NOT NULL,
 | 
						|
YEAR smallint(6) DEFAULT '0' NOT NULL,
 | 
						|
ISSUE smallint(6) DEFAULT '0' NOT NULL,
 | 
						|
CLOSED tinyint(4) DEFAULT '0' NOT NULL,
 | 
						|
ISS_DATE date DEFAULT '0000-00-00' NOT NULL,
 | 
						|
PRIMARY KEY (PAPER_ID,YEAR,ISSUE)
 | 
						|
);
 | 
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INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'), (1,1999,111,0,'1999-03-23'),
 | 
						|
(1,1999,222,0,'1999-03-23'), (3,1999,33,0,'1999-07-12'),
 | 
						|
(3,1999,32,0,'1999-07-12'), (3,1999,31,0,'1999-07-12'),
 | 
						|
(3,1999,30,0,'1999-07-12'), (3,1999,29,0,'1999-07-12'),
 | 
						|
(3,1999,28,0,'1999-07-12'), (1,1999,40,1,'1999-05-01'),
 | 
						|
(1,1999,41,1,'1999-05-01'), (1,1999,42,1,'1999-05-01'),
 | 
						|
(1,1999,46,1,'1999-05-01'), (1,1999,47,1,'1999-05-01'),
 | 
						|
(1,1999,48,1,'1999-05-01'), (1,1999,49,1,'1999-05-01'),
 | 
						|
(1,1999,50,0,'1999-05-01'), (1,1999,51,0,'1999-05-01'),
 | 
						|
(1,1999,200,0,'1999-06-28'), (1,1999,52,0,'1999-06-28'),
 | 
						|
(1,1999,53,0,'1999-06-28'), (1,1999,54,0,'1999-06-28'),
 | 
						|
(1,1999,55,0,'1999-06-28'), (1,1999,56,0,'1999-07-01'),
 | 
						|
(1,1999,57,0,'1999-07-01'), (1,1999,58,0,'1999-07-01'),
 | 
						|
(1,1999,59,0,'1999-07-01'), (1,1999,60,0,'1999-07-01'),
 | 
						|
(3,1999,35,0,'1999-07-12');
 | 
						|
select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28))  order by YEAR,ISSUE;
 | 
						|
YEAR	ISSUE
 | 
						|
1999	29
 | 
						|
1999	30
 | 
						|
1999	31
 | 
						|
1999	32
 | 
						|
1999	33
 | 
						|
1999	34
 | 
						|
1999	35
 | 
						|
check table t1;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
test.t1	check	status	OK
 | 
						|
repair table t1;
 | 
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Table	Op	Msg_type	Msg_text
 | 
						|
test.t1	repair	status	OK
 | 
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drop table t1;
 | 
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CREATE TABLE t1 (
 | 
						|
id int(11) NOT NULL auto_increment,
 | 
						|
parent_id int(11) DEFAULT '0' NOT NULL,
 | 
						|
level tinyint(4) DEFAULT '0' NOT NULL,
 | 
						|
PRIMARY KEY (id),
 | 
						|
KEY parent_id (parent_id),
 | 
						|
KEY level (level)
 | 
						|
);
 | 
						|
INSERT INTO t1 VALUES (1,0,0), (3,1,1), (4,1,1), (8,2,2), (9,2,2), (17,3,2),
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						|
(22,4,2), (24,4,2), (28,5,2), (29,5,2), (30,5,2), (31,6,2), (32,6,2), (33,6,2),
 | 
						|
(203,7,2), (202,7,2), (20,3,2), (157,0,0), (193,5,2), (40,7,2), (2,1,1),
 | 
						|
(15,2,2), (6,1,1), (34,6,2), (35,6,2), (16,3,2), (7,1,1), (36,7,2), (18,3,2),
 | 
						|
(26,5,2), (27,5,2), (183,4,2), (38,7,2), (25,5,2), (37,7,2), (21,4,2),
 | 
						|
(19,3,2), (5,1,1), (179,5,2);
 | 
						|
SELECT * FROM t1 WHERE level = 1 AND parent_id = 1;
 | 
						|
id	parent_id	level
 | 
						|
3	1	1
 | 
						|
4	1	1
 | 
						|
2	1	1
 | 
						|
6	1	1
 | 
						|
7	1	1
 | 
						|
5	1	1
 | 
						|
SELECT * FROM t1 WHERE level = 1 AND parent_id = 1 order by id;
 | 
						|
id	parent_id	level
 | 
						|
2	1	1
 | 
						|
3	1	1
 | 
						|
4	1	1
 | 
						|
5	1	1
 | 
						|
6	1	1
 | 
						|
7	1	1
 | 
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drop table t1;
 | 
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create table t1(
 | 
						|
Satellite		varchar(25)	not null,
 | 
						|
SensorMode		varchar(25)	not null,
 | 
						|
FullImageCornersUpperLeftLongitude	double	not null,
 | 
						|
FullImageCornersUpperRightLongitude	double	not null,
 | 
						|
FullImageCornersUpperRightLatitude	double	not null,
 | 
						|
FullImageCornersLowerRightLatitude	double	not null,
 | 
						|
index two (Satellite, SensorMode, FullImageCornersUpperLeftLongitude, FullImageCornersUpperRightLongitude, FullImageCornersUpperRightLatitude, FullImageCornersLowerRightLatitude));
 | 
						|
insert into t1 values("OV-3","PAN1",91,-92,40,50);
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						|
insert into t1 values("OV-4","PAN1",91,-92,40,50);
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						|
select * from t1 where t1.Satellite = "OV-3" and t1.SensorMode = "PAN1" and t1.FullImageCornersUpperLeftLongitude > -90.000000 and t1.FullImageCornersUpperRightLongitude < -82.000000;
 | 
						|
Satellite	SensorMode	FullImageCornersUpperLeftLongitude	FullImageCornersUpperRightLongitude	FullImageCornersUpperRightLatitude	FullImageCornersLowerRightLatitude
 | 
						|
OV-3	PAN1	91	-92	40	50
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drop table t1;
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create table t1 ( aString char(100) not null default "", key aString (aString(10)) );
 | 
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insert t1 (aString) values ( "believe in myself" ), ( "believe" ), ("baaa" ), ( "believe in love");
 | 
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select * from t1 where aString < "believe in myself" order by aString;
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						|
aString
 | 
						|
baaa
 | 
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believe
 | 
						|
believe in love
 | 
						|
select * from t1 where aString > "believe in love" order by aString;
 | 
						|
aString
 | 
						|
believe in myself
 | 
						|
alter table t1 drop key aString;
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select * from t1 where aString < "believe in myself" order by aString;
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aString
 | 
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baaa
 | 
						|
believe
 | 
						|
believe in love
 | 
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select * from t1 where aString > "believe in love" order by aString;
 | 
						|
aString
 | 
						|
believe in myself
 | 
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drop table t1;
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						|
CREATE TABLE t1 (
 | 
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t1ID int(10) unsigned NOT NULL auto_increment,
 | 
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art binary(1) NOT NULL default '',
 | 
						|
KNR char(5) NOT NULL default '',
 | 
						|
RECHNR char(6) NOT NULL default '',
 | 
						|
POSNR char(2) NOT NULL default '',
 | 
						|
ARTNR char(10) NOT NULL default '',
 | 
						|
TEX char(70) NOT NULL default '',
 | 
						|
PRIMARY KEY  (t1ID),
 | 
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KEY IdxArt (art),
 | 
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KEY IdxKnr (KNR),
 | 
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KEY IdxArtnr (ARTNR)
 | 
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) ENGINE=MyISAM;
 | 
						|
INSERT INTO t1 (art) VALUES ('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),('j'),('J'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),
 | 
						|
('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j'),('j');
 | 
						|
select count(*) from t1 where upper(art) = 'J';
 | 
						|
count(*)
 | 
						|
213
 | 
						|
select count(*) from t1 where art = 'J' or art = 'j';
 | 
						|
count(*)
 | 
						|
602
 | 
						|
select count(*) from t1 where art = 'j' or art = 'J';
 | 
						|
count(*)
 | 
						|
602
 | 
						|
select count(*) from t1 where art = 'j';
 | 
						|
count(*)
 | 
						|
389
 | 
						|
select count(*) from t1 where art = 'J';
 | 
						|
count(*)
 | 
						|
213
 | 
						|
drop table t1;
 | 
						|
create table t1 (x int, y int, index(x), index(y));
 | 
						|
insert into t1 (x) values (1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
update t1 set y=x;
 | 
						|
explain select * from t1, t1 t2 where t1.y = 8 and t2.x between 7 and t1.y+0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	2	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1, t1 t2 where t1.y = 8 and t2.x >= 7 and t2.x <= t1.y+0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	2	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	3	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	3	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	2	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	y	y	5	const	1	
 | 
						|
1	SIMPLE	t2	range	x	x	5	NULL	2	Using index condition; Using where; Using join buffer (flat, BNL join)
 | 
						|
explain select count(*) from t1 where x in (1);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	x	x	5	const	1	Using index
 | 
						|
explain select count(*) from t1 where x in (1,2);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index	x	x	5	NULL	9	Using where; Using index
 | 
						|
drop table t1;
 | 
						|
CREATE TABLE t1 (key1 int(11) NOT NULL default '0', KEY i1 (key1));
 | 
						|
INSERT INTO t1 VALUES (0),(0),(0),(0),(0),(1),(1);
 | 
						|
CREATE TABLE t2 (keya int(11) NOT NULL default '0', KEY j1 (keya));
 | 
						|
INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2);
 | 
						|
explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ref	j1	j1	4	const	1	Using index
 | 
						|
1	SIMPLE	t1	index	i1	i1	4	NULL	7	Using where; Using index; Using join buffer (flat, BNL join)
 | 
						|
explain select * from t1 force index(i1), t2 force index(j1) where 
 | 
						|
(t1.key1 <t2.keya + 1) and t2.keya=3;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ref	j1	j1	4	const	1	Using index
 | 
						|
1	SIMPLE	t1	index	i1	i1	4	NULL	7	Using where; Using index; Using join buffer (flat, BNL join)
 | 
						|
DROP TABLE t1,t2;
 | 
						|
CREATE TABLE t1 (
 | 
						|
a int(11) default NULL,
 | 
						|
b int(11) default NULL,
 | 
						|
KEY a (a),
 | 
						|
KEY b (b)
 | 
						|
) ENGINE=MyISAM;
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
(1,1),(2,1),(3,1),(4,1),(5,1),(6,1),(7,1),(8,1),(9,1),(10,2),(10,2),
 | 
						|
(13,2),(14,2),(15,2),(16,2),(17,3),(17,3),(16,3),(17,3),(19,3),(20,3),
 | 
						|
(21,4),(22,5),(23,5),(24,5),(25,5),(26,5),(30,5),(31,5),(32,5),(33,5),
 | 
						|
(33,5),(33,5),(33,5),(33,5),(34,5),(35,5);
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE a IN(1,2) AND b=5;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a,b	a	5	NULL	2	Using index condition; Using where
 | 
						|
SELECT * FROM t1 WHERE a IN(1,2) AND b=5;
 | 
						|
a	b
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (a int, b int, c int, INDEX (c,a,b));
 | 
						|
INSERT INTO t1 VALUES (1,0,0),(1,0,0),(1,0,0);
 | 
						|
INSERT INTO t1 VALUES (0,1,0),(0,1,0),(0,1,0);
 | 
						|
SELECT COUNT(*) FROM t1 WHERE (c=0 and a=1) or (c=0 and b=1);
 | 
						|
COUNT(*)
 | 
						|
6
 | 
						|
SELECT COUNT(*) FROM t1 WHERE (c=0 and b=1) or (c=0 and a=1);
 | 
						|
COUNT(*)
 | 
						|
6
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 ( a int not null, b int not null, INDEX ab(a,b) );
 | 
						|
INSERT INTO t1 VALUES (47,1), (70,1), (15,1), (15, 4);
 | 
						|
SELECT * FROM t1
 | 
						|
WHERE
 | 
						|
(
 | 
						|
( b =1 AND a BETWEEN 14 AND 21 ) OR
 | 
						|
( b =2 AND a BETWEEN 16 AND 18 ) OR
 | 
						|
( b =3 AND a BETWEEN 15 AND 19 ) OR
 | 
						|
(a BETWEEN 19 AND 47)
 | 
						|
);
 | 
						|
a	b
 | 
						|
15	1
 | 
						|
47	1
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (
 | 
						|
id int( 11 ) unsigned NOT NULL AUTO_INCREMENT ,
 | 
						|
line int( 5 ) unsigned NOT NULL default '0',
 | 
						|
columnid int( 3 ) unsigned NOT NULL default '0',
 | 
						|
owner int( 3 ) unsigned NOT NULL default '0',
 | 
						|
ordinal int( 3 ) unsigned NOT NULL default '0',
 | 
						|
showid smallint( 6 ) unsigned NOT NULL default '1',
 | 
						|
tableid int( 1 ) unsigned NOT NULL default '1',
 | 
						|
content int( 5 ) unsigned NOT NULL default '188',
 | 
						|
PRIMARY KEY ( owner, id ) ,
 | 
						|
KEY menu( owner, showid, columnid ) ,
 | 
						|
KEY `COLUMN` ( owner, columnid, line ) ,
 | 
						|
KEY `LINES` ( owner, tableid, content, id ) ,
 | 
						|
KEY recount( owner, line ) 
 | 
						|
) ENGINE = MYISAM;
 | 
						|
INSERT into t1 (owner,id,columnid,line) values (11,15,15,1),(11,13,13,5);
 | 
						|
SELECT id, columnid, tableid, content, showid, line, ordinal FROM t1 WHERE owner=11 AND ((columnid IN ( 15, 13, 14 ) AND line IN ( 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 31 )) OR (columnid IN ( 13, 14 ) AND line IN ( 15 ))) LIMIT 0 , 30;
 | 
						|
id	columnid	tableid	content	showid	line	ordinal
 | 
						|
13	13	1	188	1	5	0
 | 
						|
15	15	1	188	1	1	0
 | 
						|
drop table t1;
 | 
						|
create  table t1 (id int(10) primary key);
 | 
						|
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
select id from t1 where id in (2,5,9) ;
 | 
						|
id
 | 
						|
2
 | 
						|
5
 | 
						|
9
 | 
						|
select id from t1 where id=2 or id=5 or id=9 ;
 | 
						|
id
 | 
						|
2
 | 
						|
5
 | 
						|
9
 | 
						|
drop table t1;
 | 
						|
create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
 | 
						|
insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
 | 
						|
(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
 | 
						|
(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
 | 
						|
(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
 | 
						|
(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
 | 
						|
(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
 | 
						|
(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
 | 
						|
select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
 | 
						|
id1	idnull
 | 
						|
drop table t1;
 | 
						|
create table t1 (
 | 
						|
id int not null auto_increment,
 | 
						|
name char(1) not null,
 | 
						|
uid int not null,
 | 
						|
primary key (id),
 | 
						|
index uid_index (uid));
 | 
						|
create table t2 (
 | 
						|
id int not null auto_increment,
 | 
						|
name char(1) not null,
 | 
						|
uid int not null,
 | 
						|
primary key (id),
 | 
						|
index uid_index (uid));
 | 
						|
insert into t1(id, uid, name) values(1, 0, ' ');
 | 
						|
insert into t1(uid, name) values(0, ' ');
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t2(uid, name) select uid, name from t1;
 | 
						|
insert into t1(uid, name) select uid, name from t2;
 | 
						|
delete from t2;
 | 
						|
insert into t2(uid, name) values 
 | 
						|
(1, CHAR(64+1)),
 | 
						|
(2, CHAR(64+2)),
 | 
						|
(3, CHAR(64+3)),
 | 
						|
(4, CHAR(64+4)),
 | 
						|
(5, CHAR(64+5)),
 | 
						|
(6, CHAR(64+6)),
 | 
						|
(7, CHAR(64+7)),
 | 
						|
(8, CHAR(64+8)),
 | 
						|
(9, CHAR(64+9)),
 | 
						|
(10, CHAR(64+10)),
 | 
						|
(11, CHAR(64+11)),
 | 
						|
(12, CHAR(64+12)),
 | 
						|
(13, CHAR(64+13)),
 | 
						|
(14, CHAR(64+14)),
 | 
						|
(15, CHAR(64+15)),
 | 
						|
(16, CHAR(64+16)),
 | 
						|
(17, CHAR(64+17)),
 | 
						|
(18, CHAR(64+18)),
 | 
						|
(19, CHAR(64+19)),
 | 
						|
(20, CHAR(64+20)),
 | 
						|
(21, CHAR(64+21)),
 | 
						|
(22, CHAR(64+22)),
 | 
						|
(23, CHAR(64+23)),
 | 
						|
(24, CHAR(64+24)),
 | 
						|
(25, CHAR(64+25)),
 | 
						|
(26, CHAR(64+26));
 | 
						|
insert into t1(uid, name) select uid, name from t2 order by uid;
 | 
						|
delete from t2;
 | 
						|
insert into t2(id, uid, name) select id, uid, name from t1;
 | 
						|
select count(*) from t1;
 | 
						|
count(*)
 | 
						|
1026
 | 
						|
select count(*) from t2;
 | 
						|
count(*)
 | 
						|
1026
 | 
						|
analyze table t1,t2;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
test.t1	analyze	status	OK
 | 
						|
test.t2	analyze	status	Table is already up to date
 | 
						|
explain select * from t1, t2  where t1.uid=t2.uid AND t1.uid > 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	uid_index	uid_index	4	NULL	112	Using index condition
 | 
						|
1	SIMPLE	t2	ref	uid_index	uid_index	4	test.t1.uid	38	
 | 
						|
explain select * from t1, t2  where t1.uid=t2.uid AND t2.uid > 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	uid_index	uid_index	4	NULL	112	Using index condition
 | 
						|
1	SIMPLE	t2	ref	uid_index	uid_index	4	test.t1.uid	38	
 | 
						|
explain select * from t1, t2  where t1.uid=t2.uid AND t1.uid != 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	uid_index	uid_index	4	NULL	113	Using index condition
 | 
						|
1	SIMPLE	t2	ref	uid_index	uid_index	4	test.t1.uid	38	
 | 
						|
explain select * from t1, t2  where t1.uid=t2.uid AND t2.uid != 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	uid_index	uid_index	4	NULL	113	Using index condition
 | 
						|
1	SIMPLE	t2	ref	uid_index	uid_index	4	test.t1.uid	38	
 | 
						|
select * from t1, t2  where t1.uid=t2.uid AND t1.uid > 0;
 | 
						|
id	name	uid	id	name	uid
 | 
						|
1001	A	1	1001	A	1
 | 
						|
1002	B	2	1002	B	2
 | 
						|
1003	C	3	1003	C	3
 | 
						|
1004	D	4	1004	D	4
 | 
						|
1005	E	5	1005	E	5
 | 
						|
1006	F	6	1006	F	6
 | 
						|
1007	G	7	1007	G	7
 | 
						|
1008	H	8	1008	H	8
 | 
						|
1009	I	9	1009	I	9
 | 
						|
1010	J	10	1010	J	10
 | 
						|
1011	K	11	1011	K	11
 | 
						|
1012	L	12	1012	L	12
 | 
						|
1013	M	13	1013	M	13
 | 
						|
1014	N	14	1014	N	14
 | 
						|
1015	O	15	1015	O	15
 | 
						|
1016	P	16	1016	P	16
 | 
						|
1017	Q	17	1017	Q	17
 | 
						|
1018	R	18	1018	R	18
 | 
						|
1019	S	19	1019	S	19
 | 
						|
1020	T	20	1020	T	20
 | 
						|
1021	U	21	1021	U	21
 | 
						|
1022	V	22	1022	V	22
 | 
						|
1023	W	23	1023	W	23
 | 
						|
1024	X	24	1024	X	24
 | 
						|
1025	Y	25	1025	Y	25
 | 
						|
1026	Z	26	1026	Z	26
 | 
						|
select * from t1, t2  where t1.uid=t2.uid AND t1.uid != 0;
 | 
						|
id	name	uid	id	name	uid
 | 
						|
1001	A	1	1001	A	1
 | 
						|
1002	B	2	1002	B	2
 | 
						|
1003	C	3	1003	C	3
 | 
						|
1004	D	4	1004	D	4
 | 
						|
1005	E	5	1005	E	5
 | 
						|
1006	F	6	1006	F	6
 | 
						|
1007	G	7	1007	G	7
 | 
						|
1008	H	8	1008	H	8
 | 
						|
1009	I	9	1009	I	9
 | 
						|
1010	J	10	1010	J	10
 | 
						|
1011	K	11	1011	K	11
 | 
						|
1012	L	12	1012	L	12
 | 
						|
1013	M	13	1013	M	13
 | 
						|
1014	N	14	1014	N	14
 | 
						|
1015	O	15	1015	O	15
 | 
						|
1016	P	16	1016	P	16
 | 
						|
1017	Q	17	1017	Q	17
 | 
						|
1018	R	18	1018	R	18
 | 
						|
1019	S	19	1019	S	19
 | 
						|
1020	T	20	1020	T	20
 | 
						|
1021	U	21	1021	U	21
 | 
						|
1022	V	22	1022	V	22
 | 
						|
1023	W	23	1023	W	23
 | 
						|
1024	X	24	1024	X	24
 | 
						|
1025	Y	25	1025	Y	25
 | 
						|
1026	Z	26	1026	Z	26
 | 
						|
drop table t1,t2;
 | 
						|
create table t1 (x bigint unsigned not null);
 | 
						|
insert into t1(x) values (0xfffffffffffffff0);
 | 
						|
insert into t1(x) values (0xfffffffffffffff1);
 | 
						|
select * from t1;
 | 
						|
x
 | 
						|
18446744073709551600
 | 
						|
18446744073709551601
 | 
						|
select count(*) from t1 where x>0;
 | 
						|
count(*)
 | 
						|
2
 | 
						|
select count(*) from t1 where x=0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x<0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x < -16;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x = -16;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x > -16;
 | 
						|
count(*)
 | 
						|
2
 | 
						|
select count(*) from t1 where x = 18446744073709551601;
 | 
						|
count(*)
 | 
						|
1
 | 
						|
create table t2 (x bigint not null);
 | 
						|
insert into t2(x) values (-16);
 | 
						|
insert into t2(x) values (-15);
 | 
						|
select * from t2;
 | 
						|
x
 | 
						|
-16
 | 
						|
-15
 | 
						|
select count(*) from t2 where x>0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t2 where x=0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t2 where x<0;
 | 
						|
count(*)
 | 
						|
2
 | 
						|
select count(*) from t2 where x < -16;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t2 where x = -16;
 | 
						|
count(*)
 | 
						|
1
 | 
						|
select count(*) from t2 where x > -16;
 | 
						|
count(*)
 | 
						|
1
 | 
						|
select count(*) from t2 where x = 18446744073709551601;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
drop table t1,t2;
 | 
						|
create table t1 (x bigint unsigned not null primary key) engine=innodb;
 | 
						|
insert into t1(x) values (0xfffffffffffffff0);
 | 
						|
insert into t1(x) values (0xfffffffffffffff1);
 | 
						|
select * from t1;
 | 
						|
x
 | 
						|
18446744073709551600
 | 
						|
18446744073709551601
 | 
						|
select count(*) from t1 where x>0;
 | 
						|
count(*)
 | 
						|
2
 | 
						|
select count(*) from t1 where x=0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x<0;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x < -16;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x = -16;
 | 
						|
count(*)
 | 
						|
0
 | 
						|
select count(*) from t1 where x > -16;
 | 
						|
count(*)
 | 
						|
2
 | 
						|
select count(*) from t1 where x = 18446744073709551601;
 | 
						|
count(*)
 | 
						|
1
 | 
						|
drop table t1;
 | 
						|
create table t1 (a bigint unsigned);
 | 
						|
create index t1i on t1(a);
 | 
						|
insert into t1 select 18446744073709551615;
 | 
						|
insert into t1 select 18446744073709551614;
 | 
						|
explain select * from t1 where a <> -1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index	t1i	t1i	9	NULL	2	Using where; Using index
 | 
						|
select * from t1 where a <> -1;
 | 
						|
a
 | 
						|
18446744073709551614
 | 
						|
18446744073709551615
 | 
						|
explain select * from t1 where a > -1 or a < -1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index	t1i	t1i	9	NULL	2	Using where; Using index
 | 
						|
select * from t1 where a > -1 or a < -1;
 | 
						|
a
 | 
						|
18446744073709551614
 | 
						|
18446744073709551615
 | 
						|
explain select * from t1 where a > -1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index	t1i	t1i	9	NULL	2	Using where; Using index
 | 
						|
select * from t1 where a > -1;
 | 
						|
a
 | 
						|
18446744073709551614
 | 
						|
18446744073709551615
 | 
						|
explain select * from t1 where a < -1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
select * from t1 where a < -1;
 | 
						|
a
 | 
						|
drop table t1;
 | 
						|
set names latin1;
 | 
						|
create table t1 (a char(10), b text, key (a)) character set latin1;
 | 
						|
INSERT INTO t1 (a) VALUES
 | 
						|
('111'),('222'),('222'),('222'),('222'),('444'),('aaa'),('AAA'),('bbb');
 | 
						|
explain select * from t1 where a='aaa';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	a	a	11	const	2	Using index condition
 | 
						|
explain select * from t1 where a=binary 'aaa';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	a	a	11	const	2	Using index condition
 | 
						|
explain select * from t1 where a='aaa' collate latin1_bin;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	a	a	11	const	2	Using index condition
 | 
						|
explain select * from t1 where a='aaa' collate latin1_german1_ci;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	9	Using where
 | 
						|
drop table t1;
 | 
						|
CREATE TABLE t1 (
 | 
						|
`CLIENT` char(3) character set latin1 collate latin1_bin NOT NULL default '000',
 | 
						|
`ARG1` char(3) character set latin1 collate latin1_bin NOT NULL default '',
 | 
						|
`ARG2` char(3) character set latin1 collate latin1_bin NOT NULL default '',
 | 
						|
`FUNCTION` varchar(10) character set latin1 collate latin1_bin NOT NULL default '',
 | 
						|
`FUNCTINT` int(11) NOT NULL default '0',
 | 
						|
KEY `VERI_CLNT~2` (`ARG1`)
 | 
						|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 | 
						|
INSERT INTO t1 VALUES ('000',' 0',' 0','Text 001',0), ('000',' 0',' 1','Text 002',0),
 | 
						|
('000',' 1',' 2','Text 003',0), ('000',' 2',' 3','Text 004',0),
 | 
						|
('001',' 3',' 0','Text 017',0);
 | 
						|
SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 1' OR ARG1 != ' 2');
 | 
						|
count(*)
 | 
						|
4
 | 
						|
SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 2' OR ARG1 != ' 1');
 | 
						|
count(*)
 | 
						|
4
 | 
						|
drop table t1;
 | 
						|
create table t1 (a int);
 | 
						|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
CREATE TABLE t2 (
 | 
						|
pk1 int(11) NOT NULL,
 | 
						|
pk2 int(11) NOT NULL,
 | 
						|
pk3 int(11) NOT NULL,
 | 
						|
pk4 int(11) NOT NULL,
 | 
						|
filler char(82),
 | 
						|
PRIMARY KEY (pk1,pk2,pk3,pk4)
 | 
						|
) DEFAULT CHARSET=latin1;
 | 
						|
insert into t2 select 1, A.a+10*B.a, 432, 44, 'fillerZ' from t1 A, t1 B;
 | 
						|
INSERT INTO t2 VALUES (2621, 2635, 0, 0,'filler'), (2621, 2635, 1, 0,'filler'),
 | 
						|
(2621, 2635, 10, 0,'filler'), (2621, 2635, 11, 0,'filler'),
 | 
						|
(2621, 2635, 14, 0,'filler'), (2621, 2635, 1000015, 0,'filler');
 | 
						|
SELECT * FROM t2
 | 
						|
WHERE ((((pk4 =0) AND (pk1 =2621) AND (pk2 =2635)))
 | 
						|
OR ((pk4 =1) AND (((pk1 IN ( 7, 2, 1 ))) OR (pk1 =522)) AND ((pk2 IN ( 0, 2635))))
 | 
						|
) AND (pk3 >=1000000);
 | 
						|
pk1	pk2	pk3	pk4	filler
 | 
						|
2621	2635	1000015	0	filler
 | 
						|
drop table t1, t2;
 | 
						|
create table t1(a char(2), key(a(1)));
 | 
						|
insert into t1 values ('x'), ('xx');
 | 
						|
explain select a from t1 where a > 'x';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	2	NULL	2	Using where
 | 
						|
select a from t1 where a > 'x';
 | 
						|
a
 | 
						|
xx
 | 
						|
drop table t1;
 | 
						|
CREATE TABLE t1 (
 | 
						|
OXID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT '',
 | 
						|
OXPARENTID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT 'oxrootid',
 | 
						|
OXLEFT int NOT NULL DEFAULT '0',
 | 
						|
OXRIGHT int NOT NULL DEFAULT '0',
 | 
						|
OXROOTID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT '',
 | 
						|
PRIMARY KEY  (OXID),
 | 
						|
KEY OXNID (OXID),
 | 
						|
KEY OXLEFT (OXLEFT),
 | 
						|
KEY OXRIGHT (OXRIGHT),
 | 
						|
KEY OXROOTID (OXROOTID)
 | 
						|
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_german2_ci;
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
('d8c4177d09f8b11f5.52725521','oxrootid',1,40,'d8c4177d09f8b11f5.52725521'),
 | 
						|
('d8c4177d151affab2.81582770','d8c4177d09f8b11f5.52725521',2,3,
 | 
						|
'd8c4177d09f8b11f5.52725521'),
 | 
						|
('d8c4177d206a333d2.74422679','d8c4177d09f8b11f5.52725521',4,5,
 | 
						|
'd8c4177d09f8b11f5.52725521'),
 | 
						|
('d8c4177d225791924.30714720','d8c4177d09f8b11f5.52725521',6,7,
 | 
						|
'd8c4177d09f8b11f5.52725521'),
 | 
						|
('d8c4177d2380fc201.39666693','d8c4177d09f8b11f5.52725521',8,9,
 | 
						|
'd8c4177d09f8b11f5.52725521'),
 | 
						|
('d8c4177d24ccef970.14957924','d8c4177d09f8b11f5.52725521',10,11,
 | 
						|
'd8c4177d09f8b11f5.52725521');
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
('d8c4177d09f8b11f5.52725522','oxrootid',1,40,'d8c4177d09f8b11f5.52725522'),
 | 
						|
('d8c4177d151affab2.81582771','d8c4177d09f8b11f5.52725521',2,3,
 | 
						|
'd8c4177d09f8b11f5.52725522'),
 | 
						|
('d8c4177d206a333d2.74422678','d8c4177d09f8b11f5.52725521',4,5,
 | 
						|
'd8c4177d09f8b11f5.52725522'),
 | 
						|
('d8c4177d225791924.30714721','d8c4177d09f8b11f5.52725521',6,7,
 | 
						|
'd8c4177d09f8b11f5.52725522'),
 | 
						|
('d8c4177d2380fc201.39666694','d8c4177d09f8b11f5.52725521',8,9,
 | 
						|
'd8c4177d09f8b11f5.52725522'),
 | 
						|
('d8c4177d24ccef970.14957925','d8c4177d09f8b11f5.52725521',10,11,
 | 
						|
'd8c4177d09f8b11f5.52725522');
 | 
						|
EXPLAIN
 | 
						|
SELECT s.oxid FROM t1 v, t1 s 
 | 
						|
WHERE 
 | 
						|
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
 | 
						|
s.oxleft > v.oxleft AND s.oxleft < v.oxright;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	v	ref	OXLEFT,OXRIGHT,OXROOTID	OXROOTID	34	const	5	Using index condition
 | 
						|
1	SIMPLE	s	ALL	OXLEFT	NULL	NULL	NULL	12	Range checked for each record (index map: 0x4)
 | 
						|
SELECT s.oxid FROM t1 v, t1 s 
 | 
						|
WHERE
 | 
						|
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
 | 
						|
s.oxleft > v.oxleft AND s.oxleft < v.oxright;
 | 
						|
oxid
 | 
						|
d8c4177d151affab2.81582770
 | 
						|
d8c4177d206a333d2.74422679
 | 
						|
d8c4177d225791924.30714720
 | 
						|
d8c4177d2380fc201.39666693
 | 
						|
d8c4177d24ccef970.14957924
 | 
						|
d8c4177d151affab2.81582771
 | 
						|
d8c4177d206a333d2.74422678
 | 
						|
d8c4177d225791924.30714721
 | 
						|
d8c4177d2380fc201.39666694
 | 
						|
d8c4177d24ccef970.14957925
 | 
						|
DROP TABLE t1;
 | 
						|
create table t1 (
 | 
						|
c1  char(10), c2  char(10), c3  char(10), c4  char(10),
 | 
						|
c5  char(10), c6  char(10), c7  char(10), c8  char(10),
 | 
						|
c9  char(10), c10 char(10), c11 char(10), c12 char(10),
 | 
						|
c13 char(10), c14 char(10), c15 char(10), c16 char(10),
 | 
						|
index(c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12,c13,c14,c15,c16)
 | 
						|
);
 | 
						|
insert into t1 (c1) values ('1'),('1'),('1'),('1');
 | 
						|
select * from t1 where
 | 
						|
c1 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4",
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c2 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c3 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c4 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5", 
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c5 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4",
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c6 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4",
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c7 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c8 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c9 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC")
 | 
						|
and c10 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh", 
 | 
						|
"abcdefg1", "123456781", "qwertyui1", "asddfg1", 
 | 
						|
"abcdefg2", "123456782", "qwertyui2", "asddfg2", 
 | 
						|
"abcdefg3", "123456783", "qwertyui3", "asddfg3", 
 | 
						|
"abcdefg4", "123456784", "qwertyui4", "asddfg4", 
 | 
						|
"abcdefg5", "123456785", "qwertyui5", "asddfg5",
 | 
						|
"abcdefg6", "123456786", "qwertyui6", "asddfg6",
 | 
						|
"abcdefg7", "123456787", "qwertyui7", "asddfg7",
 | 
						|
"abcdefg8", "123456788", "qwertyui8", "asddfg8",
 | 
						|
"abcdefg9", "123456789", "qwertyui9", "asddfg9",
 | 
						|
"abcdefgA", "12345678A", "qwertyuiA", "asddfgA",
 | 
						|
"abcdefgB", "12345678B", "qwertyuiB", "asddfgB",
 | 
						|
"abcdefgC", "12345678C", "qwertyuiC", "asddfgC");
 | 
						|
c1	c2	c3	c4	c5	c6	c7	c8	c9	c10	c11	c12	c13	c14	c15	c16
 | 
						|
drop table t1;
 | 
						|
End of 4.1 tests
 | 
						|
CREATE TABLE t1 (
 | 
						|
id int(11) NOT NULL auto_increment,
 | 
						|
status varchar(20),
 | 
						|
PRIMARY KEY  (id),
 | 
						|
KEY (status)
 | 
						|
);
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
(1,'B'), (2,'B'), (3,'B'), (4,'B'), (5,'B'), (6,'B'),
 | 
						|
(7,'B'), (8,'B'), (9,'B'), (10,'B'), (11,'B'), (12,'B'),
 | 
						|
(13,'B'), (14,'B'), (15,'B'), (16,'B'), (17,'B'), (18,'B'),
 | 
						|
(19,'B'), (20,'B'), (21,'B'), (22,'B'), (23,'B'), (24,'B'), 
 | 
						|
(25,'A'), (26,'A'), (27,'A'), (28,'A'), (29,'A'), (30,'A'),
 | 
						|
(31,'A'), (32,'A'), (33,'A'), (34,'A'), (35,'A'), (36,'A'),
 | 
						|
(37,'A'), (38,'A'), (39,'A'), (40,'A'), (41,'A'), (42,'A'),
 | 
						|
(43,'A'), (44,'A'), (45,'A'), (46,'A'), (47,'A'), (48,'A'),
 | 
						|
(49,'A'), (50,'A'), (51,'A'), (52,'A'), (53,'C'), (54,'C'),
 | 
						|
(55,'C'), (56,'C'), (57,'C'), (58,'C'), (59,'C'), (60,'C');
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	11	Using index condition
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE status NOT IN ('A','B');
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	11	Using index condition
 | 
						|
SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
 | 
						|
id	status
 | 
						|
53	C
 | 
						|
54	C
 | 
						|
55	C
 | 
						|
56	C
 | 
						|
57	C
 | 
						|
58	C
 | 
						|
59	C
 | 
						|
60	C
 | 
						|
SELECT * FROM t1 WHERE status NOT IN ('A','B');
 | 
						|
id	status
 | 
						|
53	C
 | 
						|
54	C
 | 
						|
55	C
 | 
						|
56	C
 | 
						|
57	C
 | 
						|
58	C
 | 
						|
59	C
 | 
						|
60	C
 | 
						|
EXPLAIN SELECT status FROM t1 WHERE status <> 'A' AND status <> 'B';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	11	Using where; Using index
 | 
						|
EXPLAIN SELECT status FROM t1 WHERE status NOT IN ('A','B');
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	11	Using where; Using index
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	10	Using index condition
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	status	status	23	NULL	10	Using index condition; Using where
 | 
						|
SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
 | 
						|
id	status
 | 
						|
53	C
 | 
						|
54	C
 | 
						|
55	C
 | 
						|
56	C
 | 
						|
57	C
 | 
						|
58	C
 | 
						|
59	C
 | 
						|
60	C
 | 
						|
SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
 | 
						|
id	status
 | 
						|
53	C
 | 
						|
54	C
 | 
						|
55	C
 | 
						|
56	C
 | 
						|
57	C
 | 
						|
58	C
 | 
						|
59	C
 | 
						|
60	C
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE  t1 (a int, b int, primary key(a,b));
 | 
						|
INSERT INTO  t1 VALUES
 | 
						|
(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(4,1),(4,2),(4,3);
 | 
						|
CREATE VIEW v1 as SELECT a,b FROM t1 WHERE b=3;
 | 
						|
EXPLAIN SELECT a,b FROM t1 WHERE a < 2 and b=3;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where; Using index
 | 
						|
EXPLAIN SELECT a,b FROM v1 WHERE a < 2 and b=3;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where; Using index
 | 
						|
EXPLAIN SELECT a,b FROM t1 WHERE a < 2;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where; Using index
 | 
						|
EXPLAIN SELECT a,b FROM v1 WHERE a < 2;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where; Using index
 | 
						|
SELECT a,b FROM t1 WHERE a < 2 and b=3;
 | 
						|
a	b
 | 
						|
1	3
 | 
						|
SELECT a,b FROM v1 WHERE a < 2 and b=3;
 | 
						|
a	b
 | 
						|
1	3
 | 
						|
DROP VIEW v1;
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (name varchar(15) NOT NULL, KEY idx(name));
 | 
						|
INSERT INTO t1 VALUES ('Betty'), ('Anna');
 | 
						|
SELECT * FROM t1;
 | 
						|
name
 | 
						|
Anna
 | 
						|
Betty
 | 
						|
DELETE FROM t1 WHERE name NOT LIKE 'A%a';
 | 
						|
SELECT * FROM t1;
 | 
						|
name
 | 
						|
Anna
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (a int, KEY idx(a));
 | 
						|
INSERT INTO t1 VALUES (NULL), (1), (2), (3);
 | 
						|
SELECT * FROM t1;
 | 
						|
a
 | 
						|
NULL
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
DELETE FROM t1 WHERE NOT(a <=> 2);
 | 
						|
SELECT * FROM t1;
 | 
						|
a
 | 
						|
2
 | 
						|
DROP TABLE t1;
 | 
						|
create table t1 (a int, b int, primary key(a,b));
 | 
						|
create view v1 as select a, b from t1;
 | 
						|
INSERT INTO `t1` VALUES
 | 
						|
(0,0),(1,0),(2,0),(3,0),(4,0),(5,1),(6,1),(7,1),(8,1),(9,1),(10,2),(11,2),(12,2)
 | 
						|
,(13,2),(14,2),(15,3),(16,3),(17,3),(18,3),(19,3);
 | 
						|
explain select * from t1 where a in (3,4)  and b in (1,2,3);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	#	Using where; Using index
 | 
						|
explain select * from v1 where a in (3,4)  and b in (1,2,3);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	#	Using where; Using index
 | 
						|
explain select * from t1 where a between 3 and 4 and b between 1 and 2;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	#	Using where; Using index
 | 
						|
explain select * from v1 where a between 3 and 4 and b between 1 and 2;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	#	Using where; Using index
 | 
						|
drop view v1;
 | 
						|
drop table t1;
 | 
						|
create table t3 (a int);
 | 
						|
insert into t3 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
create table t1 (a varchar(10), filler char(200), key(a)) charset=binary;
 | 
						|
insert into t1 values ('a','');
 | 
						|
insert into t1 values ('a ','');
 | 
						|
insert into t1 values ('a  ', '');
 | 
						|
insert into t1 select concat('a', 1000 + A.a + 10 * (B.a + 10 * C.a)), ''
 | 
						|
  from t3 A, t3 B, t3 C;
 | 
						|
create table t2 (a varchar(10), filler char(200), key(a));
 | 
						|
insert into t2 select * from t1;
 | 
						|
explain select * from t1 where a between 'a' and 'a ';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	13	NULL	#	Using index condition
 | 
						|
explain select * from t1 where a = 'a' or a='a ';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	13	NULL	#	Using index condition; Using where
 | 
						|
explain select * from t2 where a between 'a' and 'a ';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ref	a	a	13	const	#	Using index condition
 | 
						|
explain select * from t2 where a = 'a' or a='a ';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ref	a	a	13	const	#	Using index condition; Using where
 | 
						|
update t1 set a='b' where a<>'a';
 | 
						|
explain select * from t1 where a not between 'b' and 'b';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	13	NULL	#	Using index condition
 | 
						|
select a, hex(filler) from t1 where a not between 'b' and 'b';
 | 
						|
a	hex(filler)
 | 
						|
a	0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 | 
						|
drop table t1,t2,t3;
 | 
						|
create table t1 (a int);
 | 
						|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
create table t2 (a int, key(a));
 | 
						|
insert into t2 select 2*(A.a + 10*(B.a + 10*C.a)) from t1 A, t1 B, t1 C;
 | 
						|
set @a="select * from t2 force index (a) where a NOT IN(0";
 | 
						|
select count(*) from (select @a:=concat(@a, ',', a) from t2 ) Z;
 | 
						|
count(*)
 | 
						|
1000
 | 
						|
set @a=concat(@a, ')');
 | 
						|
insert into t2 values (11),(13),(15);
 | 
						|
set @b= concat("explain ", @a);
 | 
						|
prepare stmt1 from @b;
 | 
						|
execute stmt1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	index	a	a	5	NULL	1003	Using where; Using index
 | 
						|
prepare stmt1 from @a;
 | 
						|
execute stmt1;
 | 
						|
a
 | 
						|
11
 | 
						|
13
 | 
						|
15
 | 
						|
drop table t1, t2;
 | 
						|
CREATE TABLE t1 (
 | 
						|
id int NOT NULL DEFAULT '0',
 | 
						|
b int NOT NULL DEFAULT '0',
 | 
						|
c int NOT NULL DEFAULT '0', 
 | 
						|
INDEX idx1(b,c), INDEX idx2(c));
 | 
						|
INSERT INTO t1(id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
 | 
						|
INSERT INTO t1(b,c) VALUES (3,4), (3,4);
 | 
						|
SELECT * FROM t1 WHERE b<=3 AND 3<=c;
 | 
						|
id	b	c
 | 
						|
0	3	4
 | 
						|
0	3	4
 | 
						|
SELECT * FROM t1 WHERE 3 BETWEEN b AND c;
 | 
						|
id	b	c
 | 
						|
0	3	4
 | 
						|
0	3	4
 | 
						|
EXPLAIN  SELECT * FROM t1 WHERE b<=3 AND 3<=c;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx1,idx2	idx2	4	NULL	3	Using index condition; Using where
 | 
						|
EXPLAIN  SELECT * FROM t1 WHERE 3 BETWEEN b AND c;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx1,idx2	idx2	4	NULL	3	Using where
 | 
						|
SELECT * FROM t1 WHERE 0 < b OR 0 > c;
 | 
						|
id	b	c
 | 
						|
0	3	4
 | 
						|
0	3	4
 | 
						|
SELECT * FROM t1 WHERE 0 NOT BETWEEN b AND c;
 | 
						|
id	b	c
 | 
						|
0	3	4
 | 
						|
0	3	4
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE 0 < b OR 0 > c;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index_merge	idx1,idx2	idx1,idx2	4,4	NULL	4	Using sort_union(idx1,idx2); Using where
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE 0 NOT BETWEEN b AND c;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index_merge	idx1,idx2	idx1,idx2	4,4	NULL	4	Using sort_union(idx1,idx2); Using where
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (                                      
 | 
						|
item char(20) NOT NULL default '',                          
 | 
						|
started datetime NOT NULL default '0000-00-00 00:00:00', 
 | 
						|
price decimal(16,3) NOT NULL default '0.000',                 
 | 
						|
PRIMARY KEY (item,started)                     
 | 
						|
) ENGINE=MyISAM;
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
('A1','2005-11-01 08:00:00',1000),
 | 
						|
('A1','2005-11-15 00:00:00',2000),
 | 
						|
('A1','2005-12-12 08:00:00',3000),
 | 
						|
('A2','2005-12-01 08:00:00',1000);
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ref	PRIMARY	PRIMARY	20	const	2	Using index condition
 | 
						|
SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
 | 
						|
item	started	price
 | 
						|
Warnings:
 | 
						|
Warning	1292	Incorrect datetime value: '2005-12-01 24:00:00'
 | 
						|
SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-02 00:00:00';
 | 
						|
item	started	price
 | 
						|
A1	2005-11-01 08:00:00	1000.000
 | 
						|
A1	2005-11-15 00:00:00	2000.000
 | 
						|
DROP INDEX `PRIMARY` ON t1;
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
 | 
						|
SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
 | 
						|
item	started	price
 | 
						|
Warnings:
 | 
						|
Warning	1292	Incorrect datetime value: '2005-12-01 24:00:00'
 | 
						|
SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-02 00:00:00';
 | 
						|
item	started	price
 | 
						|
A1	2005-11-01 08:00:00	1000.000
 | 
						|
A1	2005-11-15 00:00:00	2000.000
 | 
						|
DROP TABLE t1;
 | 
						|
 | 
						|
BUG#32198 "Comparison of DATE with DATETIME still not using indexes correctly"
 | 
						|
 | 
						|
CREATE TABLE t1 (
 | 
						|
id int(11) NOT NULL auto_increment,
 | 
						|
dateval date default NULL,
 | 
						|
PRIMARY KEY  (id),
 | 
						|
KEY dateval (dateval)
 | 
						|
) AUTO_INCREMENT=173;
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
(1,'2007-01-01'),(2,'2007-01-02'),(3,'2007-01-03'),(4,'2007-01-04'),
 | 
						|
(5,'2007-01-05'),(6,'2007-01-06'),(7,'2007-01-07'),(8,'2007-01-08'),
 | 
						|
(9,'2007-01-09'),(10,'2007-01-10'),(11,'2007-01-11');
 | 
						|
This must use range access:
 | 
						|
explain select * from t1 where dateval >= '2007-01-01 00:00:00' and dateval <= '2007-01-02 23:59:59';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	dateval	dateval	4	NULL	2	Using index condition
 | 
						|
drop table t1;
 | 
						|
CREATE TABLE t1 (
 | 
						|
a varchar(32), index (a)
 | 
						|
) DEFAULT CHARSET=latin1 COLLATE=latin1_bin;
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
('B'), ('A'), ('A'), ('C'), ('B'), ('A'), ('A');
 | 
						|
SELECT a FROM t1 WHERE a='b' OR a='B';
 | 
						|
a
 | 
						|
B
 | 
						|
B
 | 
						|
EXPLAIN SELECT a FROM t1 WHERE a='b' OR a='B';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	35	NULL	3	Using where; Using index
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 (f1 TINYINT(11) UNSIGNED NOT NULL, PRIMARY KEY (f1));
 | 
						|
INSERT INTO t1 VALUES (127),(254),(0),(1),(255);
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 256;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 256.0;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 255;
 | 
						|
COUNT(*)
 | 
						|
4
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < -1;
 | 
						|
COUNT(*)
 | 
						|
0
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 > -1;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
DROP TABLE t1;
 | 
						|
CREATE TABLE t1 ( f1 TINYINT(11) NOT NULL, PRIMARY KEY (f1));
 | 
						|
INSERT INTO t1 VALUES (127),(126),(0),(-128),(-127);
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 128;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 128.0;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 < 127;
 | 
						|
COUNT(*)
 | 
						|
4
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 > -129;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 > -129.0;
 | 
						|
COUNT(*)
 | 
						|
5
 | 
						|
SELECT SQL_NO_CACHE COUNT(*) FROM t1 WHERE f1 > -128;
 | 
						|
COUNT(*)
 | 
						|
4
 | 
						|
DROP TABLE t1;
 | 
						|
create table t1 (a int);
 | 
						|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
create table t2 (a int, b int, filler char(100));
 | 
						|
insert into t2 select A.a + 10 * (B.a + 10 * C.a), 10, 'filler' from t1 A,
 | 
						|
t1 B, t1 C where A.a < 5;
 | 
						|
insert into t2 select 1000, b, 'filler' from t2;
 | 
						|
alter table t2 add index (a,b);
 | 
						|
select 'In following EXPLAIN the access method should be ref, #rows~=500 (and not 2)' Z;
 | 
						|
Z
 | 
						|
In following EXPLAIN the access method should be ref, #rows~=500 (and not 2)
 | 
						|
explain select * from t2 where a=1000 and b<11;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ref	a	a	5	const	502	Using index condition
 | 
						|
drop table t1, t2;
 | 
						|
CREATE TABLE t1( a INT, b INT, KEY( a, b ) );
 | 
						|
CREATE TABLE t2( a INT, b INT, KEY( a, b ) );
 | 
						|
CREATE TABLE t3( a INT, b INT, KEY( a, b ) );
 | 
						|
INSERT INTO t1( a, b ) 
 | 
						|
VALUES (0, 1), (1, 2), (1, 4), (2, 3), (5, 0), (9, 7);
 | 
						|
INSERT INTO t2( a, b ) 
 | 
						|
VALUES ( 1, 1), ( 2, 1), ( 3, 1), ( 4, 1), ( 5, 1),
 | 
						|
( 6, 1), ( 7, 1), ( 8, 1), ( 9, 1), (10, 1), 
 | 
						|
(11, 1), (12, 1), (13, 1), (14, 1), (15, 1),
 | 
						|
(16, 1), (17, 1), (18, 1), (19, 1), (20, 1);
 | 
						|
INSERT INTO t2 SELECT a, 2 FROM t2 WHERE b = 1;
 | 
						|
INSERT INTO t2 SELECT a, 3 FROM t2 WHERE b = 1;
 | 
						|
INSERT INTO t2 SELECT -1, -1 FROM t2;
 | 
						|
INSERT INTO t2 SELECT -1, -1 FROM t2;
 | 
						|
INSERT INTO t2 SELECT -1, -1 FROM t2;
 | 
						|
INSERT INTO t3
 | 
						|
VALUES (1, 0), (2, 0), (3, 0), (4, 0), (5, 0),
 | 
						|
(6, 0), (7, 0), (8, 0), (9, 0), (10, 0);
 | 
						|
INSERT INTO t3 SELECT * FROM t3 WHERE a = 10;
 | 
						|
INSERT INTO t3 SELECT * FROM t3 WHERE a = 10;
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a < 5 OR 
 | 
						|
5 < a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
a	b
 | 
						|
5	0
 | 
						|
9	7
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a < 5 OR 
 | 
						|
5 < a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	3	Using where; Using index
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a < 5 OR 
 | 
						|
5 <= a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
a	b
 | 
						|
5	0
 | 
						|
9	7
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a < 5 OR 
 | 
						|
5 <= a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	4	Using where; Using index
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a <= 5 OR 
 | 
						|
5 <= a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
a	b
 | 
						|
5	0
 | 
						|
9	7
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a <= 5 OR 
 | 
						|
5 <= a AND b = 3 OR
 | 
						|
3 <= a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	3	Using where; Using index
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a <= 5 OR 
 | 
						|
3 <= a;
 | 
						|
a	b
 | 
						|
5	0
 | 
						|
9	7
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE
 | 
						|
3 <= a AND a <= 5 OR 
 | 
						|
3 <= a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	3	Using where; Using index
 | 
						|
SELECT * FROM t2 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 1 OR
 | 
						|
15 <= a AND a < 20 AND b = 3
 | 
						|
OR
 | 
						|
1 <= a AND b = 1;
 | 
						|
a	b
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	1
 | 
						|
4	1
 | 
						|
5	1
 | 
						|
6	1
 | 
						|
7	1
 | 
						|
8	1
 | 
						|
9	1
 | 
						|
10	1
 | 
						|
11	1
 | 
						|
12	1
 | 
						|
13	1
 | 
						|
14	1
 | 
						|
15	1
 | 
						|
15	3
 | 
						|
16	1
 | 
						|
16	3
 | 
						|
17	1
 | 
						|
17	3
 | 
						|
18	1
 | 
						|
18	3
 | 
						|
19	1
 | 
						|
19	3
 | 
						|
20	1
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t2 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 1 OR
 | 
						|
15 <= a AND a < 20 AND b = 3
 | 
						|
OR
 | 
						|
1 <= a AND b = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	range	a	a	10	NULL	50	Using where; Using index
 | 
						|
SELECT * FROM t2 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 2 OR
 | 
						|
15 <= a AND a < 20 AND b = 3
 | 
						|
OR
 | 
						|
1 <= a AND b = 1;
 | 
						|
a	b
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	1
 | 
						|
4	1
 | 
						|
5	1
 | 
						|
5	2
 | 
						|
6	1
 | 
						|
6	2
 | 
						|
7	1
 | 
						|
7	2
 | 
						|
8	1
 | 
						|
8	2
 | 
						|
9	1
 | 
						|
9	2
 | 
						|
10	1
 | 
						|
11	1
 | 
						|
12	1
 | 
						|
13	1
 | 
						|
14	1
 | 
						|
15	1
 | 
						|
15	3
 | 
						|
16	1
 | 
						|
16	3
 | 
						|
17	1
 | 
						|
17	3
 | 
						|
18	1
 | 
						|
18	3
 | 
						|
19	1
 | 
						|
19	3
 | 
						|
20	1
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t2 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 2 OR
 | 
						|
15 <= a AND a < 20 AND b = 3
 | 
						|
OR
 | 
						|
1 <= a AND b = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	range	a	a	10	NULL	50	Using where; Using index
 | 
						|
SELECT * FROM t3 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 3 OR 
 | 
						|
a < 5 OR
 | 
						|
a < 10;
 | 
						|
a	b
 | 
						|
1	0
 | 
						|
2	0
 | 
						|
3	0
 | 
						|
4	0
 | 
						|
5	0
 | 
						|
6	0
 | 
						|
7	0
 | 
						|
8	0
 | 
						|
9	0
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t3 WHERE
 | 
						|
5 <= a AND a < 10 AND b = 3 OR 
 | 
						|
a < 5 OR
 | 
						|
a < 10;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t3	range	a	a	5	NULL	8	Using where; Using index
 | 
						|
DROP TABLE t1, t2, t3;
 | 
						|
#
 | 
						|
# Bug #47123: Endless 100% CPU loop with STRAIGHT_JOIN
 | 
						|
#
 | 
						|
CREATE TABLE t1(a INT, KEY(a));
 | 
						|
INSERT INTO t1 VALUES (1), (NULL);
 | 
						|
SELECT * FROM t1 WHERE a <> NULL and (a <> NULL or a <= NULL);
 | 
						|
a
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# Bug#47925: regression of range optimizer and date comparison in 5.1.39!
 | 
						|
#
 | 
						|
CREATE TABLE t1 ( a DATE,     KEY ( a ) );
 | 
						|
CREATE TABLE t2 ( a DATETIME, KEY ( a ) );
 | 
						|
# Make optimizer choose range scan
 | 
						|
INSERT INTO t1 VALUES ('2009-09-22'), ('2009-09-22'), ('2009-09-22');
 | 
						|
INSERT INTO t1 VALUES ('2009-09-23'), ('2009-09-23'), ('2009-09-23');
 | 
						|
INSERT INTO t2 VALUES ('2009-09-22 12:00:00'), ('2009-09-22 12:00:00'),
 | 
						|
('2009-09-22 12:00:00');
 | 
						|
INSERT INTO t2 VALUES ('2009-09-23 12:00:00'), ('2009-09-23 12:00:00'),
 | 
						|
('2009-09-23 12:00:00');
 | 
						|
# DATE vs DATE
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE a >= '2009/09/23';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
X	X	X	range	a	a	X	X	X	X
 | 
						|
SELECT * FROM t1 WHERE a >= '2009/09/23';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '20090923';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >=  20090923;
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009-9-23';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009.09.23';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009:09:23';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
# DATE vs DATETIME
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t2 WHERE a >= '2009/09/23';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
X	X	X	range	a	a	X	X	X	X
 | 
						|
SELECT * FROM t2 WHERE a >= '2009/09/23';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009/09/23';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '20090923';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >=  20090923;
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009-9-23';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009.09.23';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009:09:23';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
# DATETIME vs DATETIME
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t2 WHERE a >= '2009/09/23 12:00:00';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
X	X	X	range	a	a	X	X	X	X
 | 
						|
SELECT * FROM t2 WHERE a >= '2009/09/23 12:00:00';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '20090923120000';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >=  20090923120000;
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009-9-23 12:00:00';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009.09.23 12:00:00';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
SELECT * FROM t2 WHERE a >= '2009:09:23 12:00:00';
 | 
						|
a
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
2009-09-23 12:00:00
 | 
						|
# DATETIME vs DATE
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE a >= '2009/09/23 00:00:00';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
X	X	X	range	a	a	X	X	X	X
 | 
						|
SELECT * FROM t1 WHERE a >= '2009/09/23 00:00:00';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009/09/23 00:00:00';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '20090923000000';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >=  20090923000000;
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009-9-23 00:00:00';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009.09.23 00:00:00';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
SELECT * FROM t1 WHERE a >= '2009:09:23 00:00:00';
 | 
						|
a
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
2009-09-23
 | 
						|
# Test of the new get_date_from_str implementation
 | 
						|
# Behavior differs slightly between the trunk and mysql-pe.
 | 
						|
# The former may give errors for the truncated values, while the latter
 | 
						|
# gives warnings. The purpose of this test is not to interfere, and only
 | 
						|
# preserve existing behavior.
 | 
						|
SELECT str_to_date('2007-10-00', '%Y-%m-%d') >= '' AND 
 | 
						|
str_to_date('2007-10-00', '%Y-%m-%d') <= '2007/10/20';
 | 
						|
str_to_date('2007-10-00', '%Y-%m-%d') >= '' AND 
 | 
						|
str_to_date('2007-10-00', '%Y-%m-%d') <= '2007/10/20'
 | 
						|
1
 | 
						|
Warnings:
 | 
						|
Warning	1292	Incorrect datetime value: ''
 | 
						|
SELECT str_to_date('2007-20-00', '%Y-%m-%d') >= '2007/10/20' AND 
 | 
						|
str_to_date('2007-20-00', '%Y-%m-%d') <= '';
 | 
						|
str_to_date('2007-20-00', '%Y-%m-%d') >= '2007/10/20' AND 
 | 
						|
str_to_date('2007-20-00', '%Y-%m-%d') <= ''
 | 
						|
NULL
 | 
						|
Warnings:
 | 
						|
Warning	1411	Incorrect datetime value: '2007-20-00' for function str_to_date
 | 
						|
Warning	1411	Incorrect datetime value: '2007-20-00' for function str_to_date
 | 
						|
SELECT str_to_date('2007-10-00', '%Y-%m-%d') BETWEEN '' AND '2007/10/20';
 | 
						|
str_to_date('2007-10-00', '%Y-%m-%d') BETWEEN '' AND '2007/10/20'
 | 
						|
1
 | 
						|
Warnings:
 | 
						|
Warning	1292	Incorrect datetime value: ''
 | 
						|
SELECT str_to_date('2007-20-00', '%Y-%m-%d') BETWEEN '2007/10/20' AND '';
 | 
						|
str_to_date('2007-20-00', '%Y-%m-%d') BETWEEN '2007/10/20' AND ''
 | 
						|
NULL
 | 
						|
Warnings:
 | 
						|
Warning	1411	Incorrect datetime value: '2007-20-00' for function str_to_date
 | 
						|
SELECT str_to_date('', '%Y-%m-%d');
 | 
						|
str_to_date('', '%Y-%m-%d')
 | 
						|
0000-00-00
 | 
						|
DROP TABLE t1, t2;
 | 
						|
#
 | 
						|
# Bug#48459: valgrind errors with query using 'Range checked for each 
 | 
						|
# record'
 | 
						|
#
 | 
						|
CREATE TABLE t1 (
 | 
						|
a INT,
 | 
						|
b CHAR(2),
 | 
						|
c INT,
 | 
						|
d INT,
 | 
						|
KEY ( c ),
 | 
						|
KEY ( d, a, b ( 2 ) ),
 | 
						|
KEY ( b ( 1 ) )
 | 
						|
);
 | 
						|
INSERT INTO t1 VALUES ( NULL, 'a', 1, 2 ), ( NULL, 'a', 1, 2 ),
 | 
						|
( 1,    'a', 1, 2 ), ( 1,    'a', 1, 2 );
 | 
						|
CREATE TABLE t2 (
 | 
						|
a INT,
 | 
						|
c INT,
 | 
						|
e INT,
 | 
						|
KEY ( e )
 | 
						|
);
 | 
						|
INSERT INTO t2 VALUES ( 1, 1, NULL ), ( 1, 1, NULL );
 | 
						|
# Should not give Valgrind warnings
 | 
						|
SELECT 1
 | 
						|
FROM t1, t2
 | 
						|
WHERE t1.d <> '1' AND t1.b > '1'
 | 
						|
AND t1.a = t2.a AND t1.c = t2.c;
 | 
						|
1
 | 
						|
1
 | 
						|
1
 | 
						|
1
 | 
						|
1
 | 
						|
DROP TABLE t1, t2;
 | 
						|
#
 | 
						|
# Bug #48665: sql-bench's insert test fails due to wrong result
 | 
						|
#
 | 
						|
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a));
 | 
						|
INSERT INTO t1 VALUES (0,0), (1,1);
 | 
						|
EXPLAIN 
 | 
						|
SELECT * FROM t1 FORCE INDEX (PRIMARY) 
 | 
						|
WHERE (a>=1 AND a<=2) OR (a>=4 AND a<=5) OR (a>=0 AND a <=10);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
@	@	@	range	@	@	@	@	@	@
 | 
						|
# Should return 2 rows
 | 
						|
SELECT * FROM t1 FORCE INDEX (PRIMARY) 
 | 
						|
WHERE (a>=1 AND a<=2) OR (a>=4 AND a<=5) OR (a>=0 AND a <=10);
 | 
						|
a	b
 | 
						|
0	0
 | 
						|
1	1
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# Bug #54802: 'NOT BETWEEN' evaluation is incorrect
 | 
						|
#
 | 
						|
CREATE TABLE t1 (c_key INT, c_notkey INT, KEY(c_key));
 | 
						|
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE 2 NOT BETWEEN c_notkey AND c_key;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	c_key	NULL	NULL	NULL	3	Using where
 | 
						|
SELECT * FROM t1 WHERE 2 NOT BETWEEN c_notkey AND c_key;
 | 
						|
c_key	c_notkey
 | 
						|
1	1
 | 
						|
3	3
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# Bug #57030: 'BETWEEN' evaluation is incorrect
 | 
						|
#
 | 
						|
CREATE TABLE t1(pk INT PRIMARY KEY, i4 INT);
 | 
						|
CREATE UNIQUE INDEX i4_uq ON t1(i4);
 | 
						|
INSERT INTO t1 VALUES (1,10), (2,20), (3,30);
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 10;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	const	i4_uq	i4_uq	5	const	1	
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 10;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND i4;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	const	i4_uq	i4_uq	5	const	1	
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND i4;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND i4;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	i4_uq	i4_uq	5	NULL	3	Using index condition
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND i4;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
2	20
 | 
						|
3	30
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND 10;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	i4_uq	i4_uq	5	NULL	1	Using index condition
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND 10;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND 10;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND 10;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
2	20
 | 
						|
3	30
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 11 AND 11;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 11 AND 11;
 | 
						|
pk	i4
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 100 AND 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 | 
						|
SELECT * FROM t1 WHERE 10 BETWEEN 100 AND 0;
 | 
						|
pk	i4
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 100 AND 0;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 100 AND 0;
 | 
						|
pk	i4
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 99999999999999999;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	i4_uq	i4_uq	5	NULL	2	Using index condition
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 99999999999999999;
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
2	20
 | 
						|
3	30
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 999999999999999 AND 30;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 999999999999999 AND 30;
 | 
						|
pk	i4
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND '20';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	i4_uq	i4_uq	5	NULL	1	Using index condition
 | 
						|
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND '20';
 | 
						|
pk	i4
 | 
						|
1	10
 | 
						|
2	20
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1, t1 as t2 WHERE t2.pk BETWEEN t1.i4 AND t1.i4;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	i4_uq	NULL	NULL	NULL	3	
 | 
						|
1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.i4	1	Using index condition
 | 
						|
SELECT * FROM t1, t1 as t2 WHERE t2.pk BETWEEN t1.i4 AND t1.i4;
 | 
						|
pk	i4	pk	i4
 | 
						|
EXPLAIN
 | 
						|
SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	i4_uq	NULL	NULL	NULL	3	
 | 
						|
1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.i4	1	Using index condition
 | 
						|
SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
 | 
						|
pk	i4	pk	i4
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# BUG#13519696 - 62940: SELECT RESULTS VARY WITH VERSION AND
 | 
						|
# WITH/WITHOUT INDEX RANGE SCAN
 | 
						|
#
 | 
						|
create table t1 (id int unsigned not null auto_increment primary key);
 | 
						|
insert into t1 values (null);
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
insert into t1 select null from t1;
 | 
						|
create table t2 (
 | 
						|
id int unsigned not null auto_increment,
 | 
						|
val decimal(5,3) not null,
 | 
						|
primary key (id,val),
 | 
						|
unique key (val,id),
 | 
						|
unique key (id));
 | 
						|
insert into t2 select null,id*0.0009 from t1;
 | 
						|
select count(val) from t2 ignore index (val) where val > 0.1155;
 | 
						|
count(val)
 | 
						|
128
 | 
						|
select count(val) from t2 force index (val)  where val > 0.1155;
 | 
						|
count(val)
 | 
						|
128
 | 
						|
drop table t2, t1;
 | 
						|
#
 | 
						|
# BUG#13453382 - REGRESSION SINCE 5.1.39, RANGE OPTIMIZER WRONG
 | 
						|
# RESULTS WITH DECIMAL CONVERSION
 | 
						|
#
 | 
						|
create table t1 (a int,b int,c int,primary key (a,c));
 | 
						|
insert into t1 values (1,1,2),(1,1,3),(1,1,4);
 | 
						|
select convert(3, signed integer) > 2.9;
 | 
						|
convert(3, signed integer) > 2.9
 | 
						|
1
 | 
						|
select * from t1 force  index (primary) where a=1 and c>= 2.9;
 | 
						|
a	b	c
 | 
						|
1	1	3
 | 
						|
1	1	4
 | 
						|
select * from t1 ignore index (primary) where a=1 and c>= 2.9;
 | 
						|
a	b	c
 | 
						|
1	1	3
 | 
						|
1	1	4
 | 
						|
select * from t1 force  index (primary) where a=1 and c> 2.9;
 | 
						|
a	b	c
 | 
						|
1	1	3
 | 
						|
1	1	4
 | 
						|
select * from t1 ignore index (primary) where a=1 and c> 2.9;
 | 
						|
a	b	c
 | 
						|
1	1	3
 | 
						|
1	1	4
 | 
						|
drop table t1;
 | 
						|
#
 | 
						|
# BUG#13463488 - 63437: CHAR & BETWEEN WITH INDEX RETURNS WRONG
 | 
						|
# RESULT AFTER MYSQL 5.1.
 | 
						|
#
 | 
						|
CREATE TABLE t1(
 | 
						|
F1 CHAR(5) NOT NULL,
 | 
						|
F2 CHAR(5) NOT NULL,
 | 
						|
F3 CHAR(5) NOT NULL,
 | 
						|
PRIMARY KEY(F1),
 | 
						|
INDEX IDX_F2(F2)
 | 
						|
);
 | 
						|
INSERT INTO t1 VALUES
 | 
						|
('A','A','A'),('AA','AA','AA'),('AAA','AAA','AAA'),
 | 
						|
('AAAA','AAAA','AAAA'),('AAAAA','AAAAA','AAAAA');
 | 
						|
SELECT * FROM t1 WHERE F1 = 'A    ';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
SELECT * FROM t1 IGNORE INDEX(PRIMARY) WHERE F1 = 'A    ';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
SELECT * FROM t1 WHERE F1 >= 'A    ';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
SELECT * FROM t1 WHERE F1 > 'A    ';
 | 
						|
F1	F2	F3
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
SELECT * FROM t1 WHERE F1 BETWEEN 'A    ' AND 'AAAAA';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
SELECT * FROM t1 WHERE F2 BETWEEN 'A    ' AND 'AAAAA';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
SELECT * FROM t1 WHERE F3 BETWEEN 'A    ' AND 'AAAAA';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
SELECT * FROM t1 IGNORE INDEX(PRIMARY) WHERE F1 BETWEEN 'A    ' AND
 | 
						|
'AAAAA';
 | 
						|
F1	F2	F3
 | 
						|
A	A	A
 | 
						|
AA	AA	AA
 | 
						|
AAA	AAA	AAA
 | 
						|
AAAA	AAAA	AAAA
 | 
						|
AAAAA	AAAAA	AAAAA
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# mdev-4894:  Poor performance with unnecessary 
 | 
						|
# (bug#70021) 'Range checked for each record'
 | 
						|
#
 | 
						|
create table t1( key1 int not null, INDEX i1(key1) );
 | 
						|
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8);
 | 
						|
insert into t1 select key1+8 from t1;
 | 
						|
insert into t1 select key1+16 from t1;
 | 
						|
insert into t1 select key1+32 from t1;
 | 
						|
insert into t1 select key1+64 from t1;
 | 
						|
insert into t1 select key1+128 from t1;
 | 
						|
insert into t1 select key1+256 from t1;
 | 
						|
insert into t1 select key1+512 from t1;
 | 
						|
alter table t1 add key2 int not null, add index i2(key2);
 | 
						|
update t1 set key2=key1;
 | 
						|
analyze table t1;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
test.t1	analyze	status	OK
 | 
						|
create table t2 (a int);
 | 
						|
insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8);
 | 
						|
insert into t2 select a+16 from t2;
 | 
						|
insert into t2 select a+32 from t2;
 | 
						|
insert into t2 select a+64 from t2;
 | 
						|
explain
 | 
						|
select count(*) from t2 left join t1 on (t1.key1 < 3 or t1.key1 > 1020) and t1.key2 < 1000;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	64	
 | 
						|
1	SIMPLE	t1	range	i1,i2	i1	4	NULL	78	Using where; Using join buffer (flat, BNL join)
 | 
						|
select count(*) from t2 left join t1 on (t1.key1 < 3 or t1.key1 > 1020) and t1.key2 < 1000;
 | 
						|
count(*)
 | 
						|
128
 | 
						|
explain
 | 
						|
select count(*) from t2 left join t1 on (t1.key1 < 3 or t1.key1 > 1020) and t1.key2 < t2.a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	64	
 | 
						|
1	SIMPLE	t1	range	i1,i2	i1	4	NULL	78	Using where; Using join buffer (flat, BNL join)
 | 
						|
select count(*) from t2 left join t1 on (t1.key1 < 3 or t1.key1 > 1020) and t1.key2 < t2.a;
 | 
						|
count(*)
 | 
						|
126
 | 
						|
drop table t1,t2;
 | 
						|
End of 5.1 tests
 | 
						|
#
 | 
						|
# LP Bug #533117: Wrong use_count in SEL_ARG trees
 | 
						|
#   (Bug #58731)
 | 
						|
#
 | 
						|
create table t1 (a int, b int, c int, key idx (a,b,c));
 | 
						|
insert into t1 values (0,0,0), (2,2,0), (1,1,1), (2,2,1);
 | 
						|
explain
 | 
						|
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	3	Using where; Using index
 | 
						|
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
 | 
						|
a	b	c
 | 
						|
2	2	0
 | 
						|
2	2	1
 | 
						|
drop table t1;
 | 
						|
create table t1 (f1 datetime, key (f1));
 | 
						|
insert into t1 values ('2000-03-09 15:56:59'),('2000-05-05 23:24:28'),('2000-06-13 13:12:06');
 | 
						|
select  min(f1)  from t1 where f1 >= '2006-05-25 07:00:20' and f1 between '2003-11-23 10:00:09' and '2010-01-01 01:01:01' and f1 > '2001-01-01 01:01:01';
 | 
						|
min(f1)
 | 
						|
NULL
 | 
						|
drop table t1;
 | 
						|
#
 | 
						|
# BUG#11765831: 'RANGE ACCESS' MAY INCORRECTLY FILTER 
 | 
						|
#               AWAY QUALIFYING ROWS
 | 
						|
#
 | 
						|
CREATE TABLE t10(
 | 
						|
K INT NOT NULL AUTO_INCREMENT,
 | 
						|
I INT, J INT,
 | 
						|
PRIMARY KEY(K),
 | 
						|
KEY(I,J)
 | 
						|
);
 | 
						|
INSERT INTO t10(I,J) VALUES (6,1),(6,2),(6,3),(6,4),(6,5),
 | 
						|
(6,6),(6,7),(6,8),(6,9),(6,0);
 | 
						|
CREATE TABLE t100 LIKE t10;
 | 
						|
INSERT INTO t100(I,J) SELECT X.I, X.K+(10*Y.K) FROM t10 AS X,t10 AS Y;
 | 
						|
INSERT INTO t100(I,J) VALUES(8,26);
 | 
						|
 | 
						|
EXPLAIN SELECT * FROM t100 WHERE I <> 6 OR (I <> 8 AND J = 5);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t100	range	I	I	10	NULL	4	Using index condition; Using where
 | 
						|
 | 
						|
SELECT * FROM t100 WHERE I <> 6 OR (I <> 8 AND J = 5);
 | 
						|
K	I	J
 | 
						|
101	8	26
 | 
						|
DROP TABLE t10,t100;
 | 
						|
#
 | 
						|
# lp:817363: Wrong result with sort_union and multipart key in maria-5.3
 | 
						|
# 
 | 
						|
CREATE TABLE t1 (a int NOT NULL , b int, c int, d varchar(32), KEY (d,b), PRIMARY KEY (a)) ;
 | 
						|
INSERT INTO t1 VALUES (7,7,NULL,'e'),(8,1,0,'p'),(9,7,1,'s'),(10,1,1,'j'),(12,2,0,'c'),(13,0,0,'a'),(14,1,1,'q');
 | 
						|
SELECT c FROM t1                  WHERE d='q' OR d>='q' OR a > 97 OR (d IN ('j','s','i') AND b = 102);
 | 
						|
c
 | 
						|
1
 | 
						|
1
 | 
						|
SELECT c FROM t1 ignore index (d) WHERE d='q' OR d>='q' OR a > 97 OR (d IN ('j','s','i') AND b = 102);
 | 
						|
c
 | 
						|
1
 | 
						|
1
 | 
						|
SELECT * FROM t1 ignore index(d) WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's' , 'i' ) AND ( b = 102 ));
 | 
						|
a	b	c	d
 | 
						|
9	7	1	s
 | 
						|
14	1	1	q
 | 
						|
SELECT * FROM t1 force index(d)  WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's' , 'i' ) AND ( b = 102 ));
 | 
						|
a	b	c	d
 | 
						|
14	1	1	q
 | 
						|
9	7	1	s
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# BUG#13256446 - ASSERTION QUICK->HEAD->READ_SET ==
 | 
						|
# SAVE_READ_SET' FAILED IN OPT_RANGE.CC:1606 
 | 
						|
#
 | 
						|
CREATE TABLE t1 (
 | 
						|
f1 INT AUTO_INCREMENT,
 | 
						|
f2 INT,
 | 
						|
f3 INT,
 | 
						|
f4 INT,
 | 
						|
PRIMARY KEY (f1),KEY(f2)
 | 
						|
) ENGINE=INNODB;
 | 
						|
CREATE ALGORITHM=MERGE VIEW v2 AS SELECT f1,f2,f3,f4 FROM t1 WHERE f2=103;
 | 
						|
INSERT INTO t1 VALUES (154,0,NULL,0),(0,NULL,9,0),
 | 
						|
(NULL,102,NULL,3),(0,3,NULL,0), (9,0,NULL,0),(0,9,NULL,157);
 | 
						|
SELECT * FROM v2;
 | 
						|
f1	f2	f3	f4
 | 
						|
UPDATE v2 SET f4=0, f2=NULL, f1=NULL WHERE f1 > 16 ORDER BY f1;
 | 
						|
SELECT * FROM v2;
 | 
						|
f1	f2	f3	f4
 | 
						|
DROP TABLE t1;
 | 
						|
DROP VIEW v2;
 | 
						|
CREATE TABLE t1 (
 | 
						|
f1 INT AUTO_INCREMENT,
 | 
						|
f2 INT,
 | 
						|
f3 INT,
 | 
						|
f4 INT,
 | 
						|
PRIMARY KEY (f1),KEY(f2)
 | 
						|
) ENGINE=INNODB;
 | 
						|
INSERT INTO t1 VALUES(1,NULL,NULL,0), (2,2,0,3), (9,0,107,18),
 | 
						|
(10,0,0,0), (231,0,0,0), (232,0,8,0), (234,0,0,NULL), (235,8,0,3);
 | 
						|
CREATE ALGORITHM=MERGE VIEW v3 AS SELECT f1,f2,f3,f4 FROM t1 WHERE f1<=85 ;
 | 
						|
SELECT * FROM v3;
 | 
						|
f1	f2	f3	f4
 | 
						|
1	NULL	NULL	0
 | 
						|
2	2	0	3
 | 
						|
9	0	107	18
 | 
						|
10	0	0	0
 | 
						|
UPDATE v3 SET f3=0, f4=4 WHERE f2=68 ORDER BY f1;
 | 
						|
SELECT * FROM v3;
 | 
						|
f1	f2	f3	f4
 | 
						|
1	NULL	NULL	0
 | 
						|
2	2	0	3
 | 
						|
9	0	107	18
 | 
						|
10	0	0	0
 | 
						|
DROP TABLE t1;
 | 
						|
DROP VIEW v3;
 | 
						|
#
 | 
						|
# MDEV-6105: Emoji unicode character string search query makes mariadb performance down
 | 
						|
#
 | 
						|
SET NAMES utf8;
 | 
						|
DROP TABLE IF EXISTS t1;
 | 
						|
Warnings:
 | 
						|
Note	1051	Unknown table 'test.t1'
 | 
						|
CREATE TABLE t1(
 | 
						|
id int AUTO_INCREMENT,
 | 
						|
fd varchar(20),
 | 
						|
primary key(id),
 | 
						|
index ix_fd(fd)
 | 
						|
)engine=innodb default charset=UTF8;
 | 
						|
INSERT INTO t1(id, fd) VALUES (null, ''),(null, 'matt'),(null, 'pitt'),(null, 'lee'),(null, 'kim');
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
INSERT INTO t1 (fd) SELECT fd FROM t1;
 | 
						|
# The following should show "Impossible WHERE" :
 | 
						|
explain
 | 
						|
SELECT * FROM t1 WHERE fd='😁';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
Warnings:
 | 
						|
Warning	1366	Incorrect string value: '\xF0\x9F\x98\x81' for column `test`.`t1`.`fd` at row 1
 | 
						|
SELECT * FROM t1 WHERE fd='😁';
 | 
						|
id	fd
 | 
						|
Warnings:
 | 
						|
Warning	1366	Incorrect string value: '\xF0\x9F\x98\x81' for column `test`.`t1`.`fd` at row 1
 | 
						|
# The following must not use range access:
 | 
						|
explain select count(*) from t1 where fd <'😁';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	index	ix_fd	ix_fd	63	NULL	#	Using where; Using index
 | 
						|
Warnings:
 | 
						|
Warning	1366	Incorrect string value: '\xF0\x9F\x98\x81' for column `test`.`t1`.`fd` at row 1
 | 
						|
select count(*) from t1 where fd <'😁';
 | 
						|
count(*)
 | 
						|
40960
 | 
						|
Warnings:
 | 
						|
Warning	1366	Incorrect string value: '\xF0\x9F\x98\x81' for column `test`.`t1`.`fd` at row 1
 | 
						|
select count(*) from t1 ignore index (ix_fd) where fd <'😁';
 | 
						|
count(*)
 | 
						|
40960
 | 
						|
drop table t1;
 | 
						|
set names default;
 | 
						|
create table t2 (a int, b int, c int, d int, key x(a, b));
 | 
						|
insert into t2 values (2, 2, 2, 2), (3, 3, 3, 3), (4, 4, 4, 4), (5, 5, 5, 5),
 | 
						|
(6, 6, 6, 6), (7, 7, 7, 7), (8, 8, 8, 8), (9, 9, 9, 9);
 | 
						|
insert into t2 select * from t2;
 | 
						|
insert into t2 values (0, 0, 0, 0), (1, 1, 1, 1);
 | 
						|
analyze table t2;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
test.t2	analyze	status	OK
 | 
						|
select a, b from t2 where (a, b) in ((0, 0), (1, 1));
 | 
						|
a	b
 | 
						|
0	0
 | 
						|
1	1
 | 
						|
drop table t2;
 | 
						|
#
 | 
						|
# MDEV-10228: Delete missing rows with OR conditions
 | 
						|
#  (The example uses UPDATE, because UPDATE allows to use index hints
 | 
						|
#   and so it's possible to make an example that works with any storage
 | 
						|
#   engine)
 | 
						|
#
 | 
						|
CREATE TABLE t1 (
 | 
						|
key1varchar varchar(14) NOT NULL,
 | 
						|
key2int int(11) NOT NULL DEFAULT '0',
 | 
						|
col1 int,
 | 
						|
PRIMARY KEY (key1varchar,key2int),
 | 
						|
KEY key1varchar (key1varchar),
 | 
						|
KEY key2int (key2int)
 | 
						|
) DEFAULT CHARSET=utf8;
 | 
						|
insert into t1 values 
 | 
						|
('value1',0, 0),
 | 
						|
('value1',1, 0),
 | 
						|
('value1',1000685, 0),
 | 
						|
('value1',1003560, 0),
 | 
						|
('value1',1004807, 0);
 | 
						|
update t1 force index (PRIMARY) set col1=12345
 | 
						|
where (key1varchar='value1' AND (key2int <=1 OR  key2int > 1));
 | 
						|
# The following must show col1=12345 for all rows:
 | 
						|
select * from t1;
 | 
						|
key1varchar	key2int	col1
 | 
						|
value1	0	12345
 | 
						|
value1	1	12345
 | 
						|
value1	1000685	12345
 | 
						|
value1	1003560	12345
 | 
						|
value1	1004807	12345
 | 
						|
drop table t1;
 | 
						|
#
 | 
						|
# BUG#13731380: RANGE OPTIMIZER CALLS RECORDS_IN_RANGE() FOR OPEN RANGE
 | 
						|
#
 | 
						|
CREATE TABLE t1 (pk INT PRIMARY KEY);
 | 
						|
INSERT INTO t1 VALUES (1),(3),(5);
 | 
						|
SELECT * FROM t1 WHERE pk <> 3 OR pk < 4;
 | 
						|
pk
 | 
						|
1
 | 
						|
3
 | 
						|
5
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# BUG#13803810: TOO FEW ROWS RETURNED FOR RANGE ACCESS IN 
 | 
						|
#               VARCHAR INDEX USING DATETIME VALUE
 | 
						|
 | 
						|
CREATE TABLE t1 (a DATETIME);
 | 
						|
INSERT INTO t1 VALUES ('2001-01-01 00:00:00');
 | 
						|
INSERT INTO t1 VALUES ('2001-01-01 11:22:33');
 | 
						|
CREATE TABLE t2 (b VARCHAR(64), KEY (b));
 | 
						|
INSERT INTO t2 VALUES ('2001-01-01');
 | 
						|
INSERT INTO t2 VALUES ('2001.01.01');
 | 
						|
INSERT INTO t2 VALUES ('2001#01#01');
 | 
						|
INSERT INTO t2 VALUES ('2001-01-01 00:00:00');
 | 
						|
INSERT INTO t2 VALUES ('2001-01-01 11:22:33');
 | 
						|
 | 
						|
# range/ref access cannot be used for this query
 | 
						|
 | 
						|
EXPLAIN SELECT * FROM t2 WHERE b=CAST('2001-01-01' AS DATE);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	index	b	b	67	NULL	5	Using where; Using index
 | 
						|
SELECT * FROM t2 WHERE b=CAST('2001-01-01' AS DATE);
 | 
						|
b
 | 
						|
2001#01#01
 | 
						|
2001-01-01
 | 
						|
2001-01-01 00:00:00
 | 
						|
2001.01.01
 | 
						|
 | 
						|
# range/ref access cannot be used for any of the queries below.
 | 
						|
# See BUG#13814468 about 'Range checked for each record'
 | 
						|
 | 
						|
EXPLAIN SELECT * FROM t1, t2 WHERE a=b ORDER BY BINARY a, BINARY b;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using temporary; Using filesort
 | 
						|
1	SIMPLE	t2	ALL	b	NULL	NULL	NULL	5	Range checked for each record (index map: 0x1)
 | 
						|
SELECT * FROM t1, t2 WHERE a=b ORDER BY BINARY a, BINARY b;
 | 
						|
a	b
 | 
						|
2001-01-01 00:00:00	2001#01#01
 | 
						|
2001-01-01 00:00:00	2001-01-01
 | 
						|
2001-01-01 00:00:00	2001-01-01 00:00:00
 | 
						|
2001-01-01 00:00:00	2001.01.01
 | 
						|
2001-01-01 11:22:33	2001-01-01 11:22:33
 | 
						|
 | 
						|
EXPLAIN SELECT * FROM t1, t2 WHERE b=a ORDER BY BINARY a, BINARY b;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using temporary; Using filesort
 | 
						|
1	SIMPLE	t2	ALL	b	NULL	NULL	NULL	5	Range checked for each record (index map: 0x1)
 | 
						|
SELECT * FROM t1, t2 WHERE b=a ORDER BY BINARY a, BINARY b;
 | 
						|
a	b
 | 
						|
2001-01-01 00:00:00	2001#01#01
 | 
						|
2001-01-01 00:00:00	2001-01-01
 | 
						|
2001-01-01 00:00:00	2001-01-01 00:00:00
 | 
						|
2001-01-01 00:00:00	2001.01.01
 | 
						|
2001-01-01 11:22:33	2001-01-01 11:22:33
 | 
						|
 | 
						|
DROP TABLE t1,t2;
 | 
						|
#
 | 
						|
#  MDEV-5606: range optimizer: "x < y" is sargable, while "y > x" is not
 | 
						|
#
 | 
						|
create table t1(a int);
 | 
						|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
create table t2(a int);
 | 
						|
insert into t2 select A.a + B.a* 10 + C.a * 100 from t1 A, t1 B, t1 C;
 | 
						|
alter table t2 add key(a);
 | 
						|
# Should have "range checked for each table" for second table:
 | 
						|
explain select * from t1, t2 where t2.a < t1.a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	10	
 | 
						|
1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	1000	Range checked for each record (index map: 0x1)
 | 
						|
# Should have "range checked for each table" for second table:
 | 
						|
explain select * from t1, t2 where t1.a > t2.a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	10	
 | 
						|
1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	1000	Range checked for each record (index map: 0x1)
 | 
						|
create table t3 (a int primary key, b int);
 | 
						|
insert into t3 select a,a from t1;
 | 
						|
# The second table should use 'range':
 | 
						|
explain select * from t3, t2 where t2.a < t3.b  and t3.a=1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t3	const	PRIMARY	PRIMARY	4	const	1	
 | 
						|
1	SIMPLE	t2	range	a	a	5	NULL	1	Using where; Using index
 | 
						|
# The second table should use 'range':
 | 
						|
explain select * from t3, t2 where t3.b > t2.a   and t3.a=1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t3	const	PRIMARY	PRIMARY	4	const	1	
 | 
						|
1	SIMPLE	t2	range	a	a	5	NULL	1	Using where; Using index
 | 
						|
drop table t1,t2,t3;
 | 
						|
#
 | 
						|
# MDEV-6480: Remove conditions for which range optimizer returned SEL_ARG::IMPOSSIBLE.
 | 
						|
#
 | 
						|
create table t1(a int);
 | 
						|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 | 
						|
create table t2 (a int, b int, c int, key(a), key(b));
 | 
						|
insert into t2
 | 
						|
select 
 | 
						|
A.a + B.a* 10 + C.a * 100,
 | 
						|
A.a + B.a* 10 + C.a * 100,
 | 
						|
12345
 | 
						|
from 
 | 
						|
t1 A, t1 B, t1 C;
 | 
						|
# EXPLAIN EXTENDED should show that 'b > 25 and b < 15' is removed from the WHERE:
 | 
						|
explain extended select * from t2 where (b > 25 and b < 15) or a<44;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 | 
						|
1	SIMPLE	t2	range	a,b	a	5	NULL	43	100.00	Using index condition
 | 
						|
Warnings:
 | 
						|
Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where `test`.`t2`.`a` < 44
 | 
						|
# EXPLAIN EXTENDED should show that 'b > 25 and b < 15' is removed from the WHERE:
 | 
						|
explain extended select * from t2 where a < 44 or (b > 25 and b < 15);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 | 
						|
1	SIMPLE	t2	range	a,b	a	5	NULL	43	100.00	Using index condition
 | 
						|
Warnings:
 | 
						|
Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where `test`.`t2`.`a` < 44
 | 
						|
# Here, conditions b will not be removed, because "c<44" is not sargable
 | 
						|
#   and hence (b.. and .. b) part is not analyzed at all:
 | 
						|
explain extended select * from t2 where c < 44 or (b > 25 and b < 15);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 | 
						|
1	SIMPLE	t2	ALL	b	NULL	NULL	NULL	1000	100.00	Using where
 | 
						|
Warnings:
 | 
						|
Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where `test`.`t2`.`c` < 44 or `test`.`t2`.`b` > 25 and `test`.`t2`.`b` < 15
 | 
						|
# EXPLAIN EXTENDED should show that 'b > 25 and b < 15' is removed from the WHERE:
 | 
						|
explain extended select * from t2 where (b > 25 and b < 15) or c < 44;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 | 
						|
1	SIMPLE	t2	ALL	b	NULL	NULL	NULL	1000	100.00	Using where
 | 
						|
Warnings:
 | 
						|
Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where `test`.`t2`.`c` < 44
 | 
						|
# Try a case where both OR parts produce SEL_ARG::IMPOSSIBLE:
 | 
						|
explain extended select * from t2 where (b > 25 and b < 15) or (a>55 and a<44);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
Warnings:
 | 
						|
Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where 0
 | 
						|
drop table t1,t2;
 | 
						|
#
 | 
						|
# Start of 10.1 tests
 | 
						|
#
 | 
						|
#
 | 
						|
# MDEV-8189 field<>const and const<>field are not symmetric
 | 
						|
#
 | 
						|
CREATE TABLE t1 (a INT, b INT, KEY(a));
 | 
						|
INSERT INTO t1 (a) VALUES (10),(10),(10),(10),(10),(10),(10),(10),(10),(10),(70);
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE a<>10;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	3	Using index condition
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE 10<>a;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	a	a	5	NULL	3	Using index condition
 | 
						|
SELECT * FROM t1 WHERE a<>10;
 | 
						|
a	b
 | 
						|
70	NULL
 | 
						|
SELECT * FROM t1 WHERE 10<>a;
 | 
						|
a	b
 | 
						|
70	NULL
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# MDEV-8613 Full table scan for WHERE indexed_varchar_column <=> 'bad-character'
 | 
						|
#
 | 
						|
SET NAMES utf8;
 | 
						|
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET utf8, KEY(a)) ENGINE=MyISAM;
 | 
						|
INSERT INTO t1 VALUES ('a'),('b'),('c'),('d'),('e');
 | 
						|
EXPLAIN SELECT * FROM t1 WHERE a<=>'😎';
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
Warnings:
 | 
						|
Warning	1366	Incorrect string value: '\xF0\x9F\x98\x8E' for column `test`.`t1`.`a` at row 1
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# MDEV-10185: Assertion `tree1->keys[key_no] && tree2->keys[key_no]' failed in 
 | 
						|
#             sel_trees_can_be_ored(RANGE_OPT_PARAM*, SEL_TREE*, SEL_TREE*, key_map*)
 | 
						|
#
 | 
						|
CREATE TABLE t1 (pk INT PRIMARY KEY);
 | 
						|
INSERT INTO t1 VALUES (1),(2);
 | 
						|
SELECT * FROM t1 WHERE pk != 1000 OR pk IN ( 1000, 0, 1, 100, 2 ) OR pk >= 5;
 | 
						|
pk
 | 
						|
1
 | 
						|
2
 | 
						|
DROP TABLE t1;
 | 
						|
#
 | 
						|
# End of 10.1 tests
 | 
						|
#
 | 
						|
#
 | 
						|
# MDEV-10454: range access keys extracted
 | 
						|
#             from <row> IN (<row value list>) 
 | 
						|
#
 | 
						|
create table t1(a int, b int, c varchar(16),  key idx(a,b)) engine=myisam;
 | 
						|
insert into t1 values
 | 
						|
(1,1,'xx'), (2,2,'yyy'), (3,3,'zzzz'), (1,2,'zz'), (1,3,'x'),
 | 
						|
(2,3,'yy'), (4,5,'ww'), (7,8,'xxxxx'), (4,3,'zyx'), (1,2,'uuu'),
 | 
						|
(2,1,'w'), (5,5,'wx'), (2,3,'ww'), (7,7,'xxxyy'), (3,3,'zyxw'),
 | 
						|
(3,2,'uuuw'), (2,2,'wxz'), (5,5,'xw'), (12,12,'xx'), (12,12,'y'),
 | 
						|
(13,13,'z'), (11,12,'zz'), (11,13,'x'), (12,13,'y'), (14,15,'w'),
 | 
						|
(17,18,'xx'), (14,13,'zx'), (11,12,'u'), (12,11,'w'), (5,5,'wx'),
 | 
						|
(12,13,'ww'), (17,17,'xxxyy'), (13,13,'zyxw'), (13,12,'uuuw'), (12,12,'wxz'),
 | 
						|
(15,15,'xw'), (1,1,'xa'), (2,2,'yya'), (3,3,'zzza'), (1,2,'za'),
 | 
						|
(1,3,'xb'), (2,3,'ya'), (4,5,'wa'), (7,8,'xxxxa'), (4,3,'zya'),
 | 
						|
(1,2,'uua'), (2,1,'wb'), (5,5,'wc'), (2,3,'wa'), (7,7,'xxxya'),
 | 
						|
(3,3,'zyxa'), (3,2,'uuua'), (2,2,'wxa'), (5,5,'xa'), (12,12,'xa'),
 | 
						|
(22,12,'yb'), (23,13,'zb'), (21,12,'za'), (24,13,'c'), (32,13,'d'),
 | 
						|
(34,15,'wd'), (47,18,'xa'), (54,13,'za'), (51,12,'ub'), (52,11,'wc'),
 | 
						|
(5,5,'wd'), (62,13,'wa'), (67,17,'xxxya'), (63,13,'zyxa'), (73,12,'uuua'),
 | 
						|
(82,12,'wxa'), (85,15,'xd');
 | 
						|
# range access to t1 by 2-component keys for index idx
 | 
						|
explain select * from t1 where (a,b) IN ((2, 3),(3,3),(8,8),(7,7));
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	10	NULL	7	Using where
 | 
						|
explain format=json select * from t1 where (a,b) IN ((2, 3),(3,3),(8,8),(7,7));
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "10",
 | 
						|
      "used_key_parts": ["a", "b"],
 | 
						|
      "rows": 7,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t1.b) in (<cache>((2,3)),<cache>((3,3)),<cache>((8,8)),<cache>((7,7)))"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1 where (a,b) IN ((2, 3),(3,3),(8,8),(7,7));
 | 
						|
a	b	c
 | 
						|
2	3	yy
 | 
						|
2	3	ww
 | 
						|
2	3	ya
 | 
						|
2	3	wa
 | 
						|
3	3	zzzz
 | 
						|
3	3	zyxw
 | 
						|
3	3	zzza
 | 
						|
3	3	zyxa
 | 
						|
7	7	xxxyy
 | 
						|
7	7	xxxya
 | 
						|
prepare stmt from "select * from t1 where (a,b) IN ((2, 3),(3,3),(8,8),(7,7))";
 | 
						|
execute stmt;
 | 
						|
a	b	c
 | 
						|
2	3	yy
 | 
						|
2	3	ww
 | 
						|
2	3	ya
 | 
						|
2	3	wa
 | 
						|
3	3	zzzz
 | 
						|
3	3	zyxw
 | 
						|
3	3	zzza
 | 
						|
3	3	zyxa
 | 
						|
7	7	xxxyy
 | 
						|
7	7	xxxya
 | 
						|
execute stmt;
 | 
						|
a	b	c
 | 
						|
2	3	yy
 | 
						|
2	3	ww
 | 
						|
2	3	ya
 | 
						|
2	3	wa
 | 
						|
3	3	zzzz
 | 
						|
3	3	zyxw
 | 
						|
3	3	zzza
 | 
						|
3	3	zyxa
 | 
						|
7	7	xxxyy
 | 
						|
7	7	xxxya
 | 
						|
deallocate prepare stmt;
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1 where (a,b+a) IN ((4,9),(8,8),(7,7));
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	5	Using where
 | 
						|
explain format=json select * from t1 where (a,b+a) IN ((4,9),(8,8),(7,7));
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 5,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t1.b + t1.a) in (<cache>((4,9)),<cache>((8,8)),<cache>((7,7)))"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1 where (a,b+a) IN ((4,9),(8,8),(7,7));
 | 
						|
a	b	c
 | 
						|
4	5	ww
 | 
						|
4	5	wa
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1 where (a,b) IN ((4,a-1),(8,a+8),(7,a+7));
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	5	Using where
 | 
						|
explain format=json select * from t1 where (a,b) IN ((4,a-1),(8,a+8),(7,a+7));
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 5,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t1.b) in ((4,t1.a - 1),(8,t1.a + 8),(7,t1.a + 7))"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1 where (a,b) IN ((4,a-1),(8,a+8),(7,a+7));
 | 
						|
a	b	c
 | 
						|
4	3	zyx
 | 
						|
4	3	zya
 | 
						|
set @save_optimizer_switch=@@optimizer_switch;
 | 
						|
set optimizer_switch='index_merge=off';
 | 
						|
create table t2(
 | 
						|
d int, e int, key idx1(d), key idx2(e), f varchar(32)
 | 
						|
) engine=myisam;
 | 
						|
insert into t2 values
 | 
						|
(9,5,'a'), (9,8,'b'), (9,3,'c'), (9,2,'d'), (9,1,'e'),
 | 
						|
(6,5,'f'), (6,3,'g'), (6,7,'h'), (3,3,'i'), (6,2,'j'),
 | 
						|
(9,5,'aa'), (9,8,'ba'), (9,3,'ca'), (2,2,'da'), (9,1,'ea'),
 | 
						|
(6,5,'fa'), (6,3,'ga'), (6,7,'ha'), (9,3,'ia'), (6,2,'ja');
 | 
						|
# join order: (t2,t1) with ref access of t1
 | 
						|
# range access to t1 by keys for index idx1
 | 
						|
explain select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(2,2));
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	range	idx1,idx2	idx1	5	NULL	3	Using index condition; Using where
 | 
						|
1	SIMPLE	t1	ref	idx	idx	5	test.t2.d	8	
 | 
						|
explain format=json select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(2,2));
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx1", "idx2"],
 | 
						|
      "key": "idx1",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "rows": 3,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t2.d is not null",
 | 
						|
      "attached_condition": "(t2.d,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((2,2)))"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "ref": ["test.t2.d"],
 | 
						|
      "rows": 8,
 | 
						|
      "filtered": 100
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(2,2));
 | 
						|
a	b	c	d	e	f
 | 
						|
2	1	w	2	2	da
 | 
						|
2	1	wb	2	2	da
 | 
						|
2	2	yyy	2	2	da
 | 
						|
2	2	wxz	2	2	da
 | 
						|
2	2	yya	2	2	da
 | 
						|
2	2	wxa	2	2	da
 | 
						|
2	3	yy	2	2	da
 | 
						|
2	3	ww	2	2	da
 | 
						|
2	3	ya	2	2	da
 | 
						|
2	3	wa	2	2	da
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
insert into t2 values
 | 
						|
(4,5,'a'), (7,8,'b'), (4,3,'c'), (1,2,'d'), (2,1,'e'), (5,5,'f'),
 | 
						|
(2,3,'g'), (7,7,'h'), (3,3,'i'), (3,2,'j'), (2,2,'k'), (5,5,'l'),
 | 
						|
(4,5,'aa'), (7,8,'bb'), (4,3,'cc'), (1,2,'dd'), (2,1,'ee'), (9,5,'ff'),
 | 
						|
(2,3,'gg'), (7,7,'hh'), (3,3,'ii'), (3,2,'jj'), (2,2,'kk'), (9,5,'ll'),
 | 
						|
(4,5,'aaa'), (7,8,'bbb'), (4,3,'ccc'), (1,2,'ddd'), (2,1,'eee'), (5,5,'fff'),
 | 
						|
(2,3,'ggg'), (7,7,'hhh'), (3,3,'iii'), (3,2,'jjj'), (2,2,'kkk'), (5,5,'lll'),
 | 
						|
(14,15,'a'), (17,18,'b'), (14,13,'c'), (11,12,'d'), (12,11,'e'), (15,15,'f'),
 | 
						|
(12,13,'g'), (17,17,'h'), (13,13,'i'), (13,12,'j'), (12,12,'k'), (15,15,'l'),
 | 
						|
(24,25,'a'), (27,28,'b'), (24,23,'c'), (21,22,'d'), (22,21,'e'), (25,25,'f'),
 | 
						|
(22,23,'g'), (27,27,'h'), (23,23,'i'), (23,22,'j'), (22,22,'k'), (25,25,'l'),
 | 
						|
(34,35,'a'), (37,38,'b'), (34,33,'c'), (31,32,'d'), (32,31,'e'), (35,35,'f'),
 | 
						|
(32,33,'g'), (37,37,'h'), (33,33,'i'), (33,32,'j'), (32,32,'k'), (35,35,'l'),
 | 
						|
(44,45,'a'), (47,48,'b'), (44,43,'c'), (41,42,'d'), (42,41,'e'), (45,45,'f'),
 | 
						|
(42,43,'g'), (47,47,'h'), (43,43,'i'), (43,42,'j'), (42,42,'k'), (45,45,'l');
 | 
						|
# join order: (t1,t2) with ref access of t2 
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(8,8)) and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	6	Using index condition
 | 
						|
1	SIMPLE	t2	ref	idx1,idx2	idx1	5	test.t1.a	12	Using where
 | 
						|
explain format=json select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(8,8)) and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 6,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t1.a is not null"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx1", "idx2"],
 | 
						|
      "key": "idx1",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "ref": ["test.t1.a"],
 | 
						|
      "rows": 12,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(8,8)) and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
prepare stmt from "select * from t1,t2
 | 
						|
where a = d and (a,e) in ((3,3),(7,7),(8,8)) and length(f) = 1";
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuuw	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	2	uuua	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zzzz	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zyxw	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zzza	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
3	3	zyxa	3	3	i
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
deallocate prepare stmt;
 | 
						|
insert into t1 select * from t1;
 | 
						|
# join order: (t2,t1) with ref access of t1
 | 
						|
# range access to t2 by keys for index idx2
 | 
						|
explain select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	range	idx1,idx2	idx2	5	NULL	6	Using where
 | 
						|
1	SIMPLE	t1	ref	idx	idx	5	test.t2.d	11	
 | 
						|
explain format=json select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx1", "idx2"],
 | 
						|
      "key": "idx2",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["e"],
 | 
						|
      "rows": 6,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1 and t2.d is not null"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "ref": ["test.t2.d"],
 | 
						|
      "rows": 11,
 | 
						|
      "filtered": 100
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
alter table t2 drop index idx1, drop index idx2, add index idx3(d,e);
 | 
						|
# join order: (t2,t1) with ref access of t1
 | 
						|
# range access to t2 by 2-component keys for index idx3
 | 
						|
explain select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t2	range	idx3	idx3	10	NULL	5	Using index condition; Using where
 | 
						|
1	SIMPLE	t1	ref	idx	idx	5	test.t2.d	11	
 | 
						|
explain format=json select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx3"],
 | 
						|
      "key": "idx3",
 | 
						|
      "key_length": "10",
 | 
						|
      "used_key_parts": ["d", "e"],
 | 
						|
      "rows": 5,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t2.d is not null",
 | 
						|
      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "ref": ["test.t2.d"],
 | 
						|
      "rows": 11,
 | 
						|
      "filtered": 100
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2 
 | 
						|
where a = d and (a,e) in ((4,4),(7,7),(8,8)) and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
# join order: (t1,t2) with ref access of t2
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1,t2
 | 
						|
where a = d and (a,e) in ((4,d+1),(7,d+1),(8,d+1)) and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	15	Using index condition
 | 
						|
1	SIMPLE	t2	ref	idx3	idx3	5	test.t1.a	3	Using where
 | 
						|
explain format=json select * from t1,t2
 | 
						|
where a = d and (a,e) in ((4,d+1),(7,d+1),(8,d+1)) and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 15,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t1.a is not null"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx3"],
 | 
						|
      "key": "idx3",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "ref": ["test.t1.a"],
 | 
						|
      "rows": 3,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t2.e) in ((4,t1.a + 1),(7,t1.a + 1),(8,t1.a + 1)) and length(t2.f) = 1"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2
 | 
						|
where a = d and (a,e) in ((4,d+1),(7,d+1),(8,d+1)) and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
4	3	zyx	4	5	a
 | 
						|
4	3	zya	4	5	a
 | 
						|
4	3	zyx	4	5	a
 | 
						|
4	3	zya	4	5	a
 | 
						|
4	5	ww	4	5	a
 | 
						|
4	5	wa	4	5	a
 | 
						|
4	5	ww	4	5	a
 | 
						|
4	5	wa	4	5	a
 | 
						|
7	7	xxxyy	7	8	b
 | 
						|
7	7	xxxya	7	8	b
 | 
						|
7	7	xxxyy	7	8	b
 | 
						|
7	7	xxxya	7	8	b
 | 
						|
7	8	xxxxx	7	8	b
 | 
						|
7	8	xxxxa	7	8	b
 | 
						|
7	8	xxxxx	7	8	b
 | 
						|
7	8	xxxxa	7	8	b
 | 
						|
# join order: (t1,t2) with ref access of t2
 | 
						|
# no range access
 | 
						|
explain select * from t1,t2
 | 
						|
where a = d and (a,e) in ((e,d+1),(7,7),(8,8)) and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	ALL	idx	NULL	NULL	NULL	144	Using where
 | 
						|
1	SIMPLE	t2	ref	idx3	idx3	5	test.t1.a	3	Using where
 | 
						|
explain format=json select * from t1,t2
 | 
						|
where a = d and (a,e) in ((e,d+1),(7,7),(8,8)) and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "ALL",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "rows": 144,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "t1.a is not null"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx3"],
 | 
						|
      "key": "idx3",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "ref": ["test.t1.a"],
 | 
						|
      "rows": 3,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "(t1.a,t2.e) in ((t2.e,t1.a + 1),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2
 | 
						|
where a = d and (a,e) in ((e,d+1),(7,7),(8,8)) and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
7	8	xxxxx	7	7	h
 | 
						|
7	7	xxxyy	7	7	h
 | 
						|
7	8	xxxxa	7	7	h
 | 
						|
7	7	xxxya	7	7	h
 | 
						|
# join order: (t1,t2) with ref access of t2
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1,t2
 | 
						|
where a = d and (a,2) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	13	Using index condition; Using where
 | 
						|
1	SIMPLE	t2	ref	idx3	idx3	5	test.t1.a	3	Using where
 | 
						|
explain format=json select * from t1,t2
 | 
						|
where a = d and (a,2) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 13,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t1.a is not null",
 | 
						|
      "attached_condition": "(t1.a,2) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx3"],
 | 
						|
      "key": "idx3",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "ref": ["test.t1.a"],
 | 
						|
      "rows": 3,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "length(t2.f) = 1"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2
 | 
						|
where a = d and (a,2) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
a	b	c	d	e	f
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
prepare stmt from "select * from t1,t2
 | 
						|
where a = d and (a,2) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1";
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
2	1	w	2	1	e
 | 
						|
2	1	w	2	2	k
 | 
						|
2	1	w	2	3	g
 | 
						|
deallocate prepare stmt;
 | 
						|
create table t3 (id int primary key, v int) engine=myisam;
 | 
						|
insert into t3 values
 | 
						|
(3,2), (1,1), (4,12), (2,15);
 | 
						|
# join order: (t3,t1,t2) with const t3 and ref access of t2
 | 
						|
# range access to t1 by 1-component keys for index idx
 | 
						|
explain select * from t1,t2,t3
 | 
						|
where id = 1 and a = d and
 | 
						|
(a,v+1) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t3	const	PRIMARY	PRIMARY	4	const	1	
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	13	Using index condition; Using where
 | 
						|
1	SIMPLE	t2	ref	idx3	idx3	5	test.t1.a	3	Using where
 | 
						|
explain format=json select * from t1,t2,t3
 | 
						|
where id = 1 and a = d and
 | 
						|
(a,v+1) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
EXPLAIN
 | 
						|
{
 | 
						|
  "query_block": {
 | 
						|
    "select_id": 1,
 | 
						|
    "table": {
 | 
						|
      "table_name": "t3",
 | 
						|
      "access_type": "const",
 | 
						|
      "possible_keys": ["PRIMARY"],
 | 
						|
      "key": "PRIMARY",
 | 
						|
      "key_length": "4",
 | 
						|
      "used_key_parts": ["id"],
 | 
						|
      "ref": ["const"],
 | 
						|
      "rows": 1,
 | 
						|
      "filtered": 100
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t1",
 | 
						|
      "access_type": "range",
 | 
						|
      "possible_keys": ["idx"],
 | 
						|
      "key": "idx",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["a"],
 | 
						|
      "rows": 13,
 | 
						|
      "filtered": 100,
 | 
						|
      "index_condition": "t1.a is not null",
 | 
						|
      "attached_condition": "(t1.a,1 + 1) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1"
 | 
						|
    },
 | 
						|
    "table": {
 | 
						|
      "table_name": "t2",
 | 
						|
      "access_type": "ref",
 | 
						|
      "possible_keys": ["idx3"],
 | 
						|
      "key": "idx3",
 | 
						|
      "key_length": "5",
 | 
						|
      "used_key_parts": ["d"],
 | 
						|
      "ref": ["test.t1.a"],
 | 
						|
      "rows": 3,
 | 
						|
      "filtered": 100,
 | 
						|
      "attached_condition": "length(t2.f) = 1"
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
select * from t1,t2,t3
 | 
						|
where id = 1 and a = d and
 | 
						|
(a,v+1) in ((2,2),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
a	b	c	d	e	f	id	v
 | 
						|
2	1	w	2	1	e	1	1
 | 
						|
2	1	w	2	2	k	1	1
 | 
						|
2	1	w	2	3	g	1	1
 | 
						|
2	1	w	2	1	e	1	1
 | 
						|
2	1	w	2	2	k	1	1
 | 
						|
2	1	w	2	3	g	1	1
 | 
						|
# IN predicate is always FALSE
 | 
						|
explain select * from t1,t2,t3
 | 
						|
where id = 1 and a = d and
 | 
						|
(a,v+1) in ((9,9),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1;
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 | 
						|
prepare stmt from "select * from t1,t2,t3
 | 
						|
where id = 1 and a = d and
 | 
						|
(a,v+1) in ((9,9),(7,7),(8,8)) and
 | 
						|
length(c) = 1 and length(f) = 1";
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f	id	v
 | 
						|
execute stmt;
 | 
						|
a	b	c	d	e	f	id	v
 | 
						|
deallocate prepare stmt;
 | 
						|
set optimizer_switch=@save_optimizer_switch;
 | 
						|
drop table t1,t2,t3;
 | 
						|
#
 | 
						|
# MDEV-16934: using system variable eq_range_index_dive_limit
 | 
						|
#             to reduce the number of index dives
 | 
						|
#
 | 
						|
create table t1 (a int, b varchar(31), index idx(a));
 | 
						|
insert into t1 values
 | 
						|
(7,'xxxx'), (1,'yy'), (3,'aaa'), (1,'bbb'), (2,'zz'),
 | 
						|
(4,'vvvvv'), (7,'ddd'), (9,'zzzzz'), (1,'cc'), (5,'ffff');
 | 
						|
insert into t1 select a+10, concat(b,'zz') from t1;
 | 
						|
insert into t1 select a+15, concat(b,'yy') from t1;
 | 
						|
insert into t1 select a+100, concat(b,'xx') from t1;
 | 
						|
analyze table t1;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
test.t1	analyze	status	OK
 | 
						|
select cast(count(a)/count(distinct a) as unsigned) as rec_per_key from t1;
 | 
						|
rec_per_key
 | 
						|
2
 | 
						|
set eq_range_index_dive_limit=0;
 | 
						|
explain select * from t1 where a in (8, 15, 31, 1, 9);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	7	Using index condition
 | 
						|
select * from t1 where a in (8, 15, 31, 1, 9);
 | 
						|
a	b
 | 
						|
1	yy
 | 
						|
1	bbb
 | 
						|
1	cc
 | 
						|
9	zzzzz
 | 
						|
15	ffffzz
 | 
						|
set eq_range_index_dive_limit=2;
 | 
						|
explain select * from t1 where a in (8, 15, 31, 1, 9);
 | 
						|
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | 
						|
1	SIMPLE	t1	range	idx	idx	5	NULL	10	Using index condition
 | 
						|
select * from t1 where a in (8, 15, 31, 1, 9);
 | 
						|
a	b
 | 
						|
1	yy
 | 
						|
1	bbb
 | 
						|
1	cc
 | 
						|
9	zzzzz
 | 
						|
15	ffffzz
 | 
						|
set eq_range_index_dive_limit=default;
 | 
						|
drop table t1;
 | 
						|
#
 | 
						|
# End of 10.2 tests
 | 
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