type_bit_innodb.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

--source include/have_innodb.inc
#
# testing of the BIT column type
#

select 0 + b'1';
select 0 + b'0';
select 0 + b'000001';
select 0 + b'000011';
select 0 + b'000101';
select 0 + b'000000';
select 0 + b'10000000';
select 0 + b'11111111';
select 0 + b'10000001';
select 0 + b'1000000000000000';
select 0 + b'1111111111111111';
select 0 + b'1000000000000001';

--disable_warnings
drop table if exists t1;
--enable_warnings

--error 1439
create table t1 (a bit(65)) engine=innodb;

create table t1 (a bit(0)) engine=innodb;
show create table t1;
drop table t1;

create table t1 (a bit(64)) engine=innodb;
insert into t1 values 
(b'1111111111111111111111111111111111111111111111111111111111111111'),
(b'1000000000000000000000000000000000000000000000000000000000000000'),
(b'0000000000000000000000000000000000000000000000000000000000000001'),
(b'1010101010101010101010101010101010101010101010101010101010101010'),
(b'0101010101010101010101010101010101010101010101010101010101010101');
select hex(a) from t1;
drop table t1;

create table t1 (a bit) engine=innodb;
insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001');
select hex(a) from t1;
--error 1062
alter table t1 add unique (a);
drop table t1;

create table t1 (a bit(2)) engine=innodb;
insert into t1 values (b'00'), (b'01'), (b'10'), (b'100');
select a+0 from t1;
alter table t1 add key (a);
explain select a+0 from t1;
select a+0 from t1;
drop table t1;

create table t1 (a bit(7), b bit(9), key(a, b)) engine=innodb;
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);
explain select a+0 from t1;
select a+0 from t1;
explain select b+0 from t1;
select b+0 from t1;
explain select a+0, b+0 from t1;
select a+0, b+0 from t1;
explain select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
explain select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
set @@max_length_for_sort_data=0;
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
select hex(min(a)) from t1;
select hex(min(b)) from t1;
select hex(min(a)), hex(max(a)), hex(min(b)), hex(max(b)) from t1;
drop table t1;

create table t1 (a int not null, b bit, c bit(9), key(a, b, c)) engine=innodb;
insert into t1 values
(4, NULL, 1), (4, 0, 3), (2, 1, 4), (1, 1, 100), (4, 0, 23), (4, 0, 54),
(56, 0, 22), (4, 1, 100), (23, 0, 1), (4, 0, 34);
select a+0, b+0, c+0 from t1;
select hex(min(b)) from t1 where a = 4;
select hex(min(c)) from t1 where a = 4 and b = 0;
select hex(max(b)) from t1;
select a+0, b+0, c+0 from t1 where a = 4 and b = 0 limit 2;
select a+0, b+0, c+0 from t1 where a = 4 and b = 1;
select a+0, b+0, c+0 from t1 where a = 4 and b = 1 and c=100;
select a+0, b+0, c+0 from t1 order by b desc;
select a+0, b+0, c+0 from t1 order by c;
drop table t1;

create table t1(a bit(2), b bit(2)) engine=innodb;
insert into t1 (a) values (0x01), (0x03), (0x02);
update t1 set b= concat(a);
select a+0, b+0 from t1;
drop table t1;

# Some magic numbers

create table t1 (a bit(7), key(a)) engine=innodb;
insert into t1 values (44), (57);
select a+0 from t1;
drop table t1;

#
# Test conversion to and from strings
#
create table t1 (a bit(3), b bit(12)) engine=innodb;
insert into t1 values (7,(1<<12)-2), (0x01,0x01ff);
select hex(a),hex(b) from t1;
select hex(concat(a)),hex(concat(b)) from t1;
drop table t1;

#
# Bug #9571: problem with primary key creation
#

create table t1(a int, b bit not null) engine=innodb;
alter table t1 add primary key (a);
drop table t1;

#
# altering tables
#

create table t1 (a bit, b bit(10)) engine=innodb;
show create table t1;
alter table t1 engine=heap;
show create table t1;
alter table t1 engine=innodb;
show create table t1;
drop table t1;

#
# Bug #13601: Wrong field length reported for BIT fields
#
create table t1 (a bit(7)) engine=innodb;
insert into t1 values (0x60);
--enable_metadata
select * from t1;
--disable_metadata
drop table t1;

--echo End of 5.0 tests