ndb_bitfield.result

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

drop table if exists t1;
create table t1 (
pk1 int not null primary key,
b bit(64)
) engine=ndbcluster;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `pk1` int(11) NOT NULL,
  `b` bit(64) default NULL,
  PRIMARY KEY  (`pk1`)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
insert into t1 values 
(0,b'1111111111111111111111111111111111111111111111111111111111111111'),
(1,b'1000000000000000000000000000000000000000000000000000000000000000'),
(2,b'0000000000000000000000000000000000000000000000000000000000000001'),
(3,b'1010101010101010101010101010101010101010101010101010101010101010'),
(4,b'0101010101010101010101010101010101010101010101010101010101010101');
select hex(b) from t1 order by pk1;
hex(b)
FFFFFFFFFFFFFFFF
8000000000000000
1
AAAAAAAAAAAAAAAA
5555555555555555
drop table t1;
create table t1 (
pk1 int not null primary key,
b bit(9)
) engine=ndbcluster;
insert into t1 values 
(0,b'000000000'),
(1,b'000000001'),
(2,b'000000010'),
(3,b'000000011'),
(4,b'000000100');
select hex(b) from t1 order by pk1;
hex(b)
0
1
2
3
4
update t1 set b = b + b'101010101';
select hex(b) from t1 order by pk1;
hex(b)
155
156
157
158
159
drop table t1;
create table t1 (a bit(7), b bit(9)) engine = ndbcluster;
insert into t1 values 
(94, 46), (31, 438), (61, 152), (78, 123), (88, 411), (122, 118), (0, 177),    
(75, 42), (108, 67), (79, 349), (59, 188), (68, 206), (49, 345), (118, 380),   
(111, 368), (94, 468), (56, 379), (77, 133), (29, 399), (9, 363), (23, 36),    
(116, 390), (119, 368), (87, 351), (123, 411), (24, 398), (34, 202), (28, 499),
(30, 83), (5, 178), (60, 343), (4, 245), (104, 280), (106, 446), (127, 403),   
(44, 307), (68, 454), (57, 135);
select a+0 from t1 order by a;
a+0
0
4
5
9
23
24
28
29
30
31
34
44
49
56
57
59
60
61
68
68
75
77
78
79
87
88
94
94
104
106
108
111
116
118
119
122
123
127
select b+0 from t1 order by b;
b+0
36
42
46
67
83
118
123
133
135
152
177
178
188
202
206
245
280
307
343
345
349
351
363
368
368
379
380
390
398
399
403
411
411
438
446
454
468
499
drop table t1;
create table t1 (
dummyKey INTEGER NOT NULL,
a001 TINYINT,
a010 TINYINT,
a012 TINYINT,
a015 TINYINT,
a016 TINYINT,
a017 TINYINT,
a019 TINYINT,
a029 TINYINT,
a030 TINYINT,
a031 TINYINT,
a032 TINYINT,
a042 TINYINT,
a043 TINYINT,
a044 TINYINT,
a3001 TINYINT,
a3002 TINYINT,
a3003 TINYINT,
a3004 TINYINT,
a3005 TINYINT,
a3021 TINYINT,
a3022 TINYINT,
a BIT(6),
b BIT(6),
c BIT(6),
d TINYINT,
e TINYINT,
f TINYINT,
g TINYINT,
h TINYINT,
i TINYINT,
j TINYINT,
k TINYINT,
l TINYINT,
m TINYINT,
n TINYINT,
o TINYINT,
a034 TINYINT,
PRIMARY KEY USING HASH (dummyKey) ) engine=ndb;
INSERT INTO `t1` VALUES
(1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'000001',b'111111',b'111110',4,5,5,5,5,5,5,5,5,5,3,2,1),
(2,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'000010',b'000000',b'111101',4,5,5,5,5,5,5,5,5,5,3,2,1),
(3,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'000100',b'001111',b'111011',4,5,5,5,5,5,5,5,5,5,3,2,1),
(4,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'001000',b'110000',b'110111',4,5,5,5,5,5,5,5,5,5,3,2,1),
(5,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'010000',b'100001',b'101111',4,5,5,5,5,5,5,5,5,5,3,2,1),
(6,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'100000',b'010010',b'011111',4,5,5,5,5,5,5,5,5,5,3,2,1),
(7,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'000000',b'001100',b'111111',4,5,5,5,5,5,5,5,5,5,3,2,1),
(8,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,b'111111',b'000000',b'000000',4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x01,0x3F,0x3E,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (2,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x02,0x00,0x3D,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (3,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x04,0x0F,0x3B,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (4,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x08,0x30,0x37,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (5,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x10,0x21,0x2F,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (6,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x20,0x12,0x1F,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (7,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x00,0x0C,0x3F,4,5,5,5,5,5,5,5,5,5,3,2,1);
INSERT INTO `t1` VALUES (8,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0x3F,0x00,0x00,4,5,5,5,5,5,5,5,5,5,3,2,1);
drop table t1;
create table t1 (
pk1 bit(9) not null primary key,
b int
) engine=ndbcluster;
ERROR HY000: Can't create table './test/t1.frm' (errno: 739)
create table t1 (
pk1 int not null primary key,
b bit(9),
key(b)
) engine=ndbcluster;
ERROR HY000: Can't create table './test/t1.frm' (errno: 743)
create table t1 (
pk1 int primary key,
b bit(32) not null
) engine=ndbcluster;
insert into t1 values (1,1);
drop table t1;