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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
drop table if exists t1;
create table t1 (a int, b char(10), key a(a), key b(a,b)) type=innodb;
insert into t1 values
(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
(14,"aaa"),(15,"bbb"),(16,"ccc"),(16,"xxx"),
(20,"ggg"),(21,"hhh"),(22,"iii");
handler t1 open as t2;
handler t2 read a first;
a b
14 aaa
handler t2 read a next;
a b
15 bbb
handler t2 read a next;
a b
16 ccc
handler t2 read a prev;
a b
15 bbb
handler t2 read a last;
a b
22 iii
handler t2 read a prev;
a b
21 hhh
handler t2 read a prev;
a b
20 ggg
handler t2 read a first;
a b
14 aaa
handler t2 read a prev;
a b
handler t2 read a last;
a b
22 iii
handler t2 read a prev;
a b
21 hhh
handler t2 read a next;
a b
22 iii
handler t2 read a next;
a b
handler t2 read a=(15);
a b
15 bbb
handler t2 read a=(16);
a b
16 ccc
handler t2 read a=(19,"fff");
Too many key parts specified. Max 1 parts allowed
handler t2 read b=(19,"fff");
a b
19 fff
handler t2 read b=(19,"yyy");
a b
19 yyy
handler t2 read b=(19);
a b
19 fff
handler t1 read a last;
Unknown table 't1' in HANDLER
handler t2 read a=(11);
a b
handler t2 read a>=(11);
a b
14 aaa
handler t2 read a=(18);
a b
18 eee
handler t2 read a>=(18);
a b
18 eee
handler t2 read a>(18);
a b
19 fff
handler t2 read a<=(18);
a b
18 eee
handler t2 read a<(18);
a b
17 ddd
handler t2 read a first limit 5;
a b
14 aaa
15 bbb
16 ccc
16 xxx
17 ddd
handler t2 read a next limit 3;
a b
18 eee
19 fff
19 yyy
handler t2 read a prev limit 10;
a b
19 fff
18 eee
17 ddd
16 xxx
16 ccc
15 bbb
14 aaa
handler t2 read a>=(16) limit 4;
a b
16 ccc
16 xxx
17 ddd
18 eee
handler t2 read a>=(16) limit 2,2;
a b
17 ddd
18 eee
handler t2 read a last limit 3;
a b
22 iii
21 hhh
20 ggg
handler t2 read a=(19);
a b
19 fff
handler t2 read a=(19) where b="yyy";
a b
19 yyy
handler t2 read first;
a b
17 ddd
handler t2 read next;
a b
18 eee
handler t2 read last;
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
handler t2 close;
handler t1 open as t2;
handler t2 read first;
a b
17 ddd
alter table t1 type=innodb;
handler t2 read first;
Unknown table 't2' in HANDLER
drop table t1;
CREATE TABLE t1 ( no1 smallint(5) NOT NULL default '0', no2 int(10) NOT NULL default '0', PRIMARY KEY (no1,no2)) TYPE=InnoDB;
INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
HANDLER t1 OPEN;
HANDLER t1 READ `primary` = (1, 1000);
no1 no2
HANDLER t1 READ `primary` PREV;
no1 no2
1 275
DROP TABLE t1;
|
