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Commit c635eb33 authored by Sergey Petrunya's avatar Sergey Petrunya
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mysql-test/r/maria_mrr.result.moved deleted 100644 → 0
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drop table if exists t1,t2,t3,t4;
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
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;
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)
1 SIMPLE t2 ALL PRIMARY,idx NULL NULL NULL 16 Using where; Using join buffer (flat, BNL join)
#
# Bug #669420: MRR for Range checked for each record
#
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
CREATE TABLE t2 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
SET SESSION join_cache_level=0;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
i i v pk v
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 3 i 10 i
8 3 i 11 x
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 3 i 10 i
8 3 i 11 x
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index; Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
i i v pk v
8 3 i 10 i
8 3 i 11 x
8 3 i 10 i
8 3 i 11 x
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
8 1 g 10 i
8 1 g 11 x
8 1 g 12 g
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1,t2;
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES
(10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
(15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
(20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
(25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
SET SESSION join_cache_level = 0;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t ALL i NULL NULL NULL 20
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
f
142
142
107
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t ALL i NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
f
107
142
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE t ALL i NULL NULL NULL 20 Using where
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
f
107
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1;
mysql-test/suite/vcol/t/vcol_misc.test.moved deleted 100644 → 0
View file @ 9ab54acb
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
#
# SELECT that uses a virtual column and executed with BKA
#
create table t1 (a int, b int);
insert into t1 values (3, 30), (4, 20), (1, 20);
create table t2 (c int, d int, v int as (d+1), index idx(c));
insert into t2(c,d) values
(20, 100), (20, 300), (30, 100), (30, 200), (40, 500),
(70, 100), (40, 300), (60, 100), (40, 100), (70, 100);
set join_cache_level=6;
explain
select * from t1,t2 where t1.b=t2.c and d <= 100;
--sorted_result
select * from t1,t2 where t1.b=t2.c and d <= 100;
set join_cache_level=default;
drop table t1, t2;
mysql-test/t/maria_mrr.test.moved deleted 100644 → 0
View file @ 9ab54acb
-- source include/have_maria.inc
--disable_warnings
drop table if exists t1,t2,t3,t4;
--enable_warnings
set @save_storage_engine= @@storage_engine;
set storage_engine=aria;
--source include/mrr_tests.inc
set storage_engine= @save_storage_engine;
#
# Bug #665049: index condition pushdown with Maria
#
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;
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;
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;
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;
DROP TABLE t1,t2,t3;
--echo #
--echo # Bug #669420: MRR for Range checked for each record
--echo #
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
CREATE TABLE t2 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i),
INDEX vi (v,i)
) ENGINE=ARIA;
INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
SET SESSION join_cache_level=0;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1,t2;
CREATE TABLE t1 (
pk int NOT NULL PRIMARY KEY,
j int NOT NULL,
i int NOT NULL,
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
INDEX i (i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES
(10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
(15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
(20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
(25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
SET SESSION join_cache_level = 0;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
EXPLAIN
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
SET SESSION join_cache_level=DEFAULT;
DROP TABLE t1;
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