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BDB: Bug#4531: unique key prefix interacts poorly with utf8,

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Bug#4594 column index make = failed for gbk
This commit is contained in:
serg@serg.mylan
2004-08-24 15:32:57 +02:00
parent f68219f6df
commit 50ee43be43
5 changed files with 189 additions and 13 deletions
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70
mysql-test/r/ctype_utf8.result
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@ -412,6 +412,36 @@ select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8,
unique key a (c(1))
) engine=bdb;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'aa' for key 1
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aaa' for key 1
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б<>' for key 1
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б<>' for key 1
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (c varchar(30) character set utf8 collate utf8_bin, unique(c(10)));
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
@ -541,6 +571,36 @@ c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8 collate utf8_bin,
unique key a (c(1))
) engine=bdb;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'aa' for key 1
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aaa' for key 1
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б<>' for key 1
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б<>' for key 1
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
str varchar(255) character set utf8 not null,
key str (str(2))
) engine=myisam;
@ -570,3 +630,13 @@ select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8 not null,
key str (str(2))
) engine=bdb;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;