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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
drop table if exists t1;
create table t1 (
a int not null,
b text not null,
c int not null,
d blob,
e int not null,
primary key (a, c),
unique key (c, e)
)
engine=ndb
partition by range (c)
partitions 3
( partition p1 values less than (2),
partition p2 values less than (3),
partition p3 values less than (4));
insert into t1 values (1, @x1, 1, @x2, 1);
insert into t1 values (1, @y1, 2, @y2, 1);
insert into t1 values (1, @z1, 3, @z2, 1);
insert into t1 values (2, @x1, 1, @x2, 2);
insert into t1 values (2, @y1, 2, @y2, 2);
insert into t1 values (2, @z1, 3, @z2, 2);
insert into t1 values (3, @x1, 1, @x2, 3);
insert into t1 values (3, @y1, 2, @y2, 3);
insert into t1 values (3, @z1, 3, @z2, 3);
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
2 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
select a, c, sha1(b), sha1(d) from t1 where a = 1 and c = 1;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
select a, c, sha1(b), sha1(d) from t1 where a = 1 and c = 2;
a c sha1(b) sha1(d)
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
select a, c, sha1(b), sha1(d) from t1 where a = 1 and c = 3;
a c sha1(b) sha1(d)
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
update t1 set b = @y1, d = @y2 where a = 2 and c = 1;
update t1 set b = @z1, d = @z2 where a = 2 and c = 2;
update t1 set b = @x1, d = @x2 where a = 2 and c = 3;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
2 2 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
update t1 set b = @y1, d = @y2 where c = 1 and e = 3;
update t1 set b = @z1, d = @z2 where c = 2 and e = 3;
update t1 set b = @x1, d = @x2 where c = 3 and e = 3;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
2 2 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 1 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 2 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
update t1 set b = @x1, d = @x2;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 2 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 2 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 3 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
update t1 set b = @x1, d = @x2 where c = 1;
update t1 set b = @y1, d = @y2 where c = 2;
update t1 set b = @z1, d = @z2 where c = 3;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
2 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
delete from t1 where a = 1 and c = 1;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
2 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
delete from t1 where c = 2 and e = 2;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
2 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 1 1d42dd9090cf78314a06665d4ea938c35cc760f4 10d3c783026b310218d10b7188da96a2401648c6
3 2 a33549d9844092289a58ac348dd59f09fc28406a daa61c6de36a0526f0d47dc29d6b9de7e6d2630c
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
delete from t1 where c < 3;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
1 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
2 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
3 3 70fc9a7d08beebc522258bfb02000a30c77a8f1d 090565c580809efed3d369481a4bbb168b20713e
delete from t1;
select a, c, sha1(b), sha1(d) from t1 order by a, c;
a c sha1(b) sha1(d)
drop table t1;
create table t1 (
a char(4),
b int,
primary key (a, b)
)
engine=ndb
character set latin1
partition by key (a)
partitions 4;
insert into t1 values ('aaa',1);
insert into t1 values ('bbb',1);
insert into t1 values ('bbb',2);
select count(*) from t1 where a = 'aaa';
count(*)
1
select count(*) from t1 where a = 'Aaa';
count(*)
1
select count(*) from t1 where a = 'aAa';
count(*)
1
select count(*) from t1 where a = 'aaA';
count(*)
1
select count(*) from t1 where a = 'AAa';
count(*)
1
select count(*) from t1 where a = 'AaA';
count(*)
1
select count(*) from t1 where a = 'aAA';
count(*)
1
select count(*) from t1 where a = 'AAA';
count(*)
1
drop table t1;
create table t1 (
a varbinary(10),
b int,
primary key (a, b)
)
engine=ndb
character set latin1
partition by key (a)
partitions 4;
insert into t1 values ('aaa',1);
insert into t1 values ('aaabbb',1);
insert into t1 values ('aaabbb',2);
insert into t1 values ('aaabbbccc',1);
insert into t1 values ('aaabbbccc',2);
insert into t1 values ('aaabbbccc',3);
select count(*) from t1 where a = 'aaa';
count(*)
1
select count(*) from t1 where a = 'Aaa';
count(*)
0
select count(*) from t1 where a = 'aaabbb';
count(*)
2
select count(*) from t1 where a = 'aaaBbb';
count(*)
0
select count(*) from t1 where a = 'aaabbbccc';
count(*)
3
select count(*) from t1 where a = 'aaabbbCcc';
count(*)
0
drop table t1;
|
