drop table if exists t1,t2,t3,t4;
set @mrr_buffer_size_save= @@mrr_buffer_size;
set @save_storage_engine= @@storage_engine;
set storage_engine=aria;
create table t1(a int);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
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 + 10*(B.a + 10*C.a) from t1 A, t1 B, t1 C;
create table t3 (
a char(8) not null, b char(8) not null, filler char(200),
key(a)
);
insert into t3 select @a:=concat('c-', 1000+ A.a, '=w'), @a, 'filler' from t2 A;
insert into t3 select concat('c-', 1000+A.a, '=w'), concat('c-', 2000+A.a, '=w'), 
'filler-1' from t2 A;
insert into t3 select concat('c-', 1000+A.a, '=w'), concat('c-', 3000+A.a, '=w'), 
'filler-2' from t2 A;
select a,filler from t3 where a >= 'c-9011=w';
a	filler
select a,filler from t3 where a >= 'c-1011=w' and a <= 'c-1015=w';
a	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1011=w	filler-1
c-1012=w	filler-1
c-1013=w	filler-1
c-1014=w	filler-1
c-1015=w	filler-1
c-1011=w	filler-2
c-1012=w	filler-2
c-1013=w	filler-2
c-1014=w	filler-2
c-1015=w	filler-2
select a,filler from t3 where (a>='c-1011=w' and a <= 'c-1013=w') or
(a>='c-1014=w' and a <= 'c-1015=w');
a	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1011=w	filler-1
c-1012=w	filler-1
c-1013=w	filler-1
c-1014=w	filler-1
c-1015=w	filler-1
c-1011=w	filler-2
c-1012=w	filler-2
c-1013=w	filler-2
c-1014=w	filler-2
c-1015=w	filler-2
insert into t3 values ('c-1013=z', 'c-1013=z', 'err');
insert into t3 values ('a-1014=w', 'a-1014=w', 'err');
select a,filler from t3 where (a>='c-1011=w' and a <= 'c-1013=w') or
(a>='c-1014=w' and a <= 'c-1015=w');
a	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1011=w	filler-1
c-1012=w	filler-1
c-1013=w	filler-1
c-1014=w	filler-1
c-1015=w	filler-1
c-1011=w	filler-2
c-1012=w	filler-2
c-1013=w	filler-2
c-1014=w	filler-2
c-1015=w	filler-2
delete from t3 where b in ('c-1013=z', 'a-1014=w');
select a,filler from t3 where a='c-1011=w' or a='c-1012=w' or a='c-1013=w' or
a='c-1014=w' or a='c-1015=w';
a	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1011=w	filler-1
c-1012=w	filler-1
c-1013=w	filler-1
c-1014=w	filler-1
c-1015=w	filler-1
c-1011=w	filler-2
c-1012=w	filler-2
c-1013=w	filler-2
c-1014=w	filler-2
c-1015=w	filler-2
insert into t3 values ('c-1013=w', 'del-me', 'inserted');
select a,filler from t3 where a='c-1011=w' or a='c-1012=w' or a='c-1013=w' or
a='c-1014=w' or a='c-1015=w';
a	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1011=w	filler-1
c-1012=w	filler-1
c-1013=w	filler-1
c-1014=w	filler-1
c-1015=w	filler-1
c-1011=w	filler-2
c-1012=w	filler-2
c-1013=w	filler-2
c-1014=w	filler-2
c-1015=w	filler-2
c-1013=w	inserted
delete from t3 where b='del-me';
alter table t3 add primary key(b);
select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1018=w') or 
b IN ('c-1019=w', 'c-1020=w', 'c-1021=w', 
'c-1022=w', 'c-1023=w', 'c-1024=w');
b	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1016=w	filler
c-1017=w	filler
c-1018=w	filler
c-1019=w	filler
c-1020=w	filler
c-1021=w	filler
c-1022=w	filler
c-1023=w	filler
c-1024=w	filler
select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1020=w') or 
b IN ('c-1021=w', 'c-1022=w', 'c-1023=w');
b	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1016=w	filler
c-1017=w	filler
c-1018=w	filler
c-1019=w	filler
c-1020=w	filler
c-1021=w	filler
c-1022=w	filler
c-1023=w	filler
select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1018=w') or 
b IN ('c-1019=w', 'c-1020=w') or 
(b>='c-1021=w' and b<= 'c-1023=w');
b	filler
c-1011=w	filler
c-1012=w	filler
c-1013=w	filler
c-1014=w	filler
c-1015=w	filler
c-1016=w	filler
c-1017=w	filler
c-1018=w	filler
c-1019=w	filler
c-1020=w	filler
c-1021=w	filler
c-1022=w	filler
c-1023=w	filler
drop table if exists t4;
create table t4 (a varchar(10), b int, c char(10), filler char(200),
key idx1 (a, b, c));
insert into t4 (filler) select concat('NULL-', 15-a) from t2 order by a limit 15;
insert into t4 (a,b,c,filler) 
select 'b-1',NULL,'c-1', concat('NULL-', 15-a) from t2 order by a limit 15;
insert into t4 (a,b,c,filler) 
select 'b-1',NULL,'c-222', concat('NULL-', 15-a) from t2 order by a limit 15;
insert into t4 (a,b,c,filler) 
select 'bb-1',NULL,'cc-2', concat('NULL-', 15-a) from t2 order by a limit 15;
insert into t4 (a,b,c,filler) 
select 'zz-1',NULL,'cc-2', 'filler-data' from t2 order by a limit 500;
explain 
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
                                                      or c='no-such-row2');
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	range	idx1	idx1	29	NULL	16	Using index condition; Using MRR
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
                                                    or c='no-such-row2');
a	b	c	filler
NULL	NULL	NULL	NULL-15
NULL	NULL	NULL	NULL-14
NULL	NULL	NULL	NULL-13
NULL	NULL	NULL	NULL-12
NULL	NULL	NULL	NULL-11
NULL	NULL	NULL	NULL-10
NULL	NULL	NULL	NULL-9
NULL	NULL	NULL	NULL-8
NULL	NULL	NULL	NULL-7
NULL	NULL	NULL	NULL-6
NULL	NULL	NULL	NULL-5
NULL	NULL	NULL	NULL-4
NULL	NULL	NULL	NULL-3
NULL	NULL	NULL	NULL-2
NULL	NULL	NULL	NULL-1
explain 
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	range	idx1	idx1	29	NULL	32	Using index condition; Using MRR
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
a	b	c	filler
b-1	NULL	c-1	NULL-15
b-1	NULL	c-1	NULL-14
b-1	NULL	c-1	NULL-13
b-1	NULL	c-1	NULL-12
b-1	NULL	c-1	NULL-11
b-1	NULL	c-1	NULL-10
b-1	NULL	c-1	NULL-9
b-1	NULL	c-1	NULL-8
b-1	NULL	c-1	NULL-7
b-1	NULL	c-1	NULL-6
b-1	NULL	c-1	NULL-5
b-1	NULL	c-1	NULL-4
b-1	NULL	c-1	NULL-3
b-1	NULL	c-1	NULL-2
b-1	NULL	c-1	NULL-1
bb-1	NULL	cc-2	NULL-15
bb-1	NULL	cc-2	NULL-14
bb-1	NULL	cc-2	NULL-13
bb-1	NULL	cc-2	NULL-12
bb-1	NULL	cc-2	NULL-11
bb-1	NULL	cc-2	NULL-10
bb-1	NULL	cc-2	NULL-9
bb-1	NULL	cc-2	NULL-8
bb-1	NULL	cc-2	NULL-7
bb-1	NULL	cc-2	NULL-6
bb-1	NULL	cc-2	NULL-5
bb-1	NULL	cc-2	NULL-4
bb-1	NULL	cc-2	NULL-3
bb-1	NULL	cc-2	NULL-2
bb-1	NULL	cc-2	NULL-1
select * from t4 ignore index(idx1) where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
a	b	c	filler
b-1	NULL	c-1	NULL-15
b-1	NULL	c-1	NULL-14
b-1	NULL	c-1	NULL-13
b-1	NULL	c-1	NULL-12
b-1	NULL	c-1	NULL-11
b-1	NULL	c-1	NULL-10
b-1	NULL	c-1	NULL-9
b-1	NULL	c-1	NULL-8
b-1	NULL	c-1	NULL-7
b-1	NULL	c-1	NULL-6
b-1	NULL	c-1	NULL-5
b-1	NULL	c-1	NULL-4
b-1	NULL	c-1	NULL-3
b-1	NULL	c-1	NULL-2
b-1	NULL	c-1	NULL-1
bb-1	NULL	cc-2	NULL-15
bb-1	NULL	cc-2	NULL-14
bb-1	NULL	cc-2	NULL-13
bb-1	NULL	cc-2	NULL-12
bb-1	NULL	cc-2	NULL-11
bb-1	NULL	cc-2	NULL-10
bb-1	NULL	cc-2	NULL-9
bb-1	NULL	cc-2	NULL-8
bb-1	NULL	cc-2	NULL-7
bb-1	NULL	cc-2	NULL-6
bb-1	NULL	cc-2	NULL-5
bb-1	NULL	cc-2	NULL-4
bb-1	NULL	cc-2	NULL-3
bb-1	NULL	cc-2	NULL-2
bb-1	NULL	cc-2	NULL-1
drop table t1, t2, t3, t4;
create table t1 (a int, b int not null,unique key (a,b),index(b));
insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6);
create table t2 like t1;
insert into t2 select * from t1;
alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10));
select * from t1 where a is null;
a	b	c
NULL	7	0
NULL	9	0
NULL	9	0
select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3;
a	b	c
NULL	9	0
NULL	9	0
select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
a	b	c
NULL	7	0
NULL	9	0
NULL	9	0
drop table t1, t2;
set storage_engine= @save_storage_engine;
set @@mrr_buffer_size= @mrr_buffer_size_save;
# 
# Crash in quick_range_seq_next() in maria-5.3-dsmrr-cpk with join_cache_level = {8,1}
# 
set @save_join_cache_level= @@join_cache_level;
SET SESSION join_cache_level = 8;
CREATE TABLE `t1` (
`col_int_key` int(11) DEFAULT NULL,
`col_datetime_key` datetime DEFAULT NULL,
`col_varchar_key` varchar(1) DEFAULT NULL,
`col_varchar_nokey` varchar(1) DEFAULT NULL,
KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
INSERT INTO `t1` VALUES (6,'2005-10-07 00:00:00','e','e');
INSERT INTO `t1` VALUES (51,'2000-07-15 05:00:34','f','f');
CREATE TABLE `t2` (
`col_int_key` int(11) DEFAULT NULL,
`col_datetime_key` datetime DEFAULT NULL,
`col_varchar_key` varchar(1) DEFAULT NULL,
`col_varchar_nokey` varchar(1) DEFAULT NULL,
KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
INSERT INTO `t2` VALUES (2,'2004-10-11 18:13:16','w','w');
INSERT INTO `t2` VALUES (2,'1900-01-01 00:00:00','d','d');
SELECT table2 .`col_datetime_key`
FROM t2 JOIN ( t1 table2 JOIN t2 table3 ON table3 .`col_varchar_key` < table2 .`col_varchar_key` ) ON table3 .`col_varchar_nokey` ;
col_datetime_key
drop table t1, t2;
set join_cache_level=@save_join_cache_level;
CREATE TABLE t1(
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES 
(1,9,'x'), (2,5,'g'), (3,1,'o'), (4,0,'g'), (5,1,'v'),
(6,190,'m'), (7,6,'x'), (8,3,'c'), (9,4,'z'), (10,3,'i'),
(11,186,'x'), (12,1,'g'), (13,8,'q'), (14,226,'m'), (15,133,'p');
CREATE TABLE t2(
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t2 VALUES (77, 333, 'z');
CREATE TABLE t3(
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t3 SELECT * FROM t1;
INSERT INTO t3 VALUES (88, 442, 'y'), (99, 445, 'w') ;
SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
COUNT(t1.v)
120
EXPLAIN 
SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	NULL	idx	7	NULL	15	Using index
1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	16	Using where; Using join buffer (flat, BNL join)
1	SIMPLE	t3	ALL	PRIMARY	NULL	NULL	NULL	17	Using where; Using join buffer (flat, BNL join)
SELECT COUNT(t1.v) FROM t1, t2, t3 
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
COUNT(t1.v)
120
EXPLAIN 
SELECT COUNT(t1.v) FROM t1, t2, t3
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	NULL	idx	7	NULL	15	Using index
1	SIMPLE	t2	ALL	PRIMARY,idx	NULL	NULL	NULL	16	Using where; Using join buffer (flat, BNL join)
1	SIMPLE	t3	ref	PRIMARY,idx	idx	3	test.t2.v	2	Using index condition; Using where
DROP TABLE t1,t2,t3;
#
# BUG#671361: virtual int Mrr_ordered_index_reader::refill_buffer(): Assertion `!know_key_tuple_params
# (works only on Maria because we need 1024-byte long key)
#
SET SESSION optimizer_use_mrr = 'force';
SET SESSION join_cache_level = 6;
SET SESSION join_buffer_size = 1024;
CREATE TABLE t1 (
pk int(11) NOT NULL AUTO_INCREMENT,
col_varchar_1024_latin1_key varchar(1024) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_varchar_1024_latin1_key (col_varchar_1024_latin1_key)
) ENGINE=Aria;
INSERT INTO t1 VALUES
(1,'z'),
(2,'abcdefjhjkl'),
(3,'in'),
(4,'abcdefjhjkl'),
(6,'abcdefjhjkl');
CREATE TABLE t2 (
col_varchar_10_latin1 varchar(10) DEFAULT NULL
) ENGINE=Aria;
INSERT INTO t2 VALUES ('foo'), ('foo');
EXPLAIN SELECT count(*)
FROM t1 AS table1, t2 AS table2
WHERE
table1.col_varchar_1024_latin1_key = table2.col_varchar_10_latin1 AND table1.pk<>0 ;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	table2	ALL	NULL	NULL	NULL	NULL	2	Using where
1	SIMPLE	table1	ref	PRIMARY,col_varchar_1024_latin1_key	col_varchar_1024_latin1_key	1027	test.table2.col_varchar_10_latin1	2	Using index condition(BKA); Using where; Using join buffer (flat, BKA join)
SELECT count(*)
FROM t1 AS table1, t2 AS table2
WHERE
table1.col_varchar_1024_latin1_key = table2.col_varchar_10_latin1 AND table1.pk<>0 ;
count(*)
0
drop table t1, t2;