1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
-- 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;
|
