mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
202 lines
3.8 KiB
Plaintext
202 lines
3.8 KiB
Plaintext
drop table if exists t1;
|
|
create table t1 (
|
|
a char(3) character set latin1 collate latin1_bin primary key
|
|
) engine=ndb;
|
|
insert into t1 values('aAa');
|
|
insert into t1 values('aaa');
|
|
insert into t1 values('AAA');
|
|
select * from t1 order by a;
|
|
a
|
|
AAA
|
|
aAa
|
|
aaa
|
|
select * from t1 where a = 'aAa';
|
|
a
|
|
aAa
|
|
select * from t1 where a = 'aaa';
|
|
a
|
|
aaa
|
|
select * from t1 where a = 'AaA';
|
|
a
|
|
select * from t1 where a = 'AAA';
|
|
a
|
|
AAA
|
|
drop table t1;
|
|
create table t1 (
|
|
a char(3) character set latin1 collate latin1_swedish_ci primary key
|
|
) engine=ndb;
|
|
insert into t1 values('aAa');
|
|
insert into t1 values('aaa');
|
|
ERROR 23000: Duplicate entry 'aaa' for key 1
|
|
insert into t1 values('AAA');
|
|
ERROR 23000: Duplicate entry 'AAA' for key 1
|
|
select * from t1 order by a;
|
|
a
|
|
aAa
|
|
select * from t1 where a = 'aAa';
|
|
a
|
|
aAa
|
|
select * from t1 where a = 'aaa';
|
|
a
|
|
aAa
|
|
select * from t1 where a = 'AaA';
|
|
a
|
|
aAa
|
|
select * from t1 where a = 'AAA';
|
|
a
|
|
aAa
|
|
drop table t1;
|
|
create table t1 (
|
|
p int primary key,
|
|
a char(3) character set latin1 collate latin1_bin not null,
|
|
unique key(a)
|
|
) engine=ndb;
|
|
insert into t1 values(1, 'aAa');
|
|
insert into t1 values(2, 'aaa');
|
|
insert into t1 values(3, 'AAA');
|
|
select * from t1 order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
select * from t1 where a = 'aAa';
|
|
p a
|
|
1 aAa
|
|
select * from t1 where a = 'aaa';
|
|
p a
|
|
2 aaa
|
|
select * from t1 where a = 'AaA';
|
|
p a
|
|
select * from t1 where a = 'AAA';
|
|
p a
|
|
3 AAA
|
|
drop table t1;
|
|
create table t1 (
|
|
p int primary key,
|
|
a char(3) character set latin1 collate latin1_swedish_ci not null,
|
|
unique key(a)
|
|
) engine=ndb;
|
|
insert into t1 values(1, 'aAa');
|
|
insert into t1 values(2, 'aaa');
|
|
ERROR 23000: Duplicate entry '2' for key 1
|
|
insert into t1 values(3, 'AAA');
|
|
ERROR 23000: Duplicate entry '3' for key 1
|
|
select * from t1 order by p;
|
|
p a
|
|
1 aAa
|
|
select * from t1 where a = 'aAa';
|
|
p a
|
|
1 aAa
|
|
select * from t1 where a = 'aaa';
|
|
p a
|
|
1 aAa
|
|
select * from t1 where a = 'AaA';
|
|
p a
|
|
1 aAa
|
|
select * from t1 where a = 'AAA';
|
|
p a
|
|
1 aAa
|
|
drop table t1;
|
|
create table t1 (
|
|
p int primary key,
|
|
a char(3) character set latin1 collate latin1_bin not null,
|
|
index(a)
|
|
) engine=ndb;
|
|
insert into t1 values(1, 'aAa');
|
|
insert into t1 values(2, 'aaa');
|
|
insert into t1 values(3, 'AAA');
|
|
insert into t1 values(4, 'aAa');
|
|
insert into t1 values(5, 'aaa');
|
|
insert into t1 values(6, 'AAA');
|
|
select * from t1 order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
explain select * from t1 where a = 'zZz' order by p;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ref a a 3 const 10 Using where; Using filesort
|
|
select * from t1 where a = 'aAa' order by p;
|
|
p a
|
|
1 aAa
|
|
4 aAa
|
|
select * from t1 where a = 'aaa' order by p;
|
|
p a
|
|
2 aaa
|
|
5 aaa
|
|
select * from t1 where a = 'AaA' order by p;
|
|
p a
|
|
select * from t1 where a = 'AAA' order by p;
|
|
p a
|
|
3 AAA
|
|
6 AAA
|
|
drop table t1;
|
|
create table t1 (
|
|
p int primary key,
|
|
a char(3) character set latin1 collate latin1_swedish_ci not null,
|
|
index(a)
|
|
) engine=ndb;
|
|
insert into t1 values(1, 'aAa');
|
|
insert into t1 values(2, 'aaa');
|
|
insert into t1 values(3, 'AAA');
|
|
insert into t1 values(4, 'aAa');
|
|
insert into t1 values(5, 'aaa');
|
|
insert into t1 values(6, 'AAA');
|
|
select * from t1 order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
explain select * from t1 where a = 'zZz' order by p;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ref a a 3 const 10 Using where; Using filesort
|
|
select * from t1 where a = 'aAa' order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
select * from t1 where a = 'aaa' order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
select * from t1 where a = 'AaA' order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
select * from t1 where a = 'AAA' order by p;
|
|
p a
|
|
1 aAa
|
|
2 aaa
|
|
3 AAA
|
|
4 aAa
|
|
5 aaa
|
|
6 AAA
|
|
drop table t1;
|
|
create table t1 (
|
|
a varchar(10) primary key
|
|
) engine=ndb;
|
|
insert into t1 values ('jonas % ');
|
|
replace into t1 values ('jonas % ');
|
|
replace into t1 values ('jonas % ');
|
|
select * from t1;
|
|
a
|
|
jonas %
|
|
drop table t1;
|