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

Bug#4594 column index make = failed for gbk


myisam/mi_key.c:
  cleanup

2 files changed, 134 insertions, 0 deletions

diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result
index ef5ec012078..38fc8e17d14 100644
--- a/mysql-test/r/ctype_utf8.result
+++ b/mysql-test/r/ctype_utf8.result
@@ -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 'бÐ' for key 1
+insert into t1 values ('ббб');
+ERROR 23000: Duplicate entry 'бÐ' 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 'бÐ' for key 1
+insert into t1 values ('ббб');
+ERROR 23000: Duplicate entry 'бÐ' 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;
diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test
index 83055d05830..4624f2ec78c 100644
--- a/mysql-test/t/ctype_utf8.test
+++ b/mysql-test/t/ctype_utf8.test
@@ -294,6 +294,30 @@ select c as c_a from t1 where c='a';
 select c as c_a from t1 where c='б';
 drop table t1;
 
+#
+# Bug 4531: unique key prefix interacts poorly with utf8
+# Check BDB, case insensitive collation
+#
+--disable_warnings
+create table t1 (
+c char(10) character set utf8,
+unique key a (c(1))
+) engine=bdb;
+--enable_warnings
+insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
+--error 1062
+insert into t1 values ('aa');
+--error 1062
+insert into t1 values ('aaa');
+insert into t1 values ('б');
+--error 1062
+insert into t1 values ('бб');
+--error 1062
+insert into t1 values ('ббб');
+select c as c_all from t1 order by c;
+select c as c_a from t1 where c='a';
+select c as c_a from t1 where c='б';
+drop table t1;
 
 #
 # Bug 4521: unique key prefix interacts poorly with utf8
@@ -393,6 +417,31 @@ select c as c_a from t1 where c='a';
 select c as c_a from t1 where c='б';
 drop table t1;
 
+#
+# Bug 4531: unique key prefix interacts poorly with utf8
+# Check BDB, binary collation
+#
+--disable_warnings
+create table t1 (
+c char(10) character set utf8 collate utf8_bin,
+unique key a (c(1))
+) engine=bdb;
+--enable_warnings
+insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
+--error 1062
+insert into t1 values ('aa');
+--error 1062
+insert into t1 values ('aaa');
+insert into t1 values ('б');
+--error 1062
+insert into t1 values ('бб');
+--error 1062
+insert into t1 values ('ббб');
+select c as c_all from t1 order by c;
+select c as c_a from t1 where c='a';
+select c as c_a from t1 where c='б';
+drop table t1;
+
 
 # Bug#4594: column index make = failed for gbk, but like works
 # Check MYISAM
@@ -429,3 +478,18 @@ INSERT INTO t1 VALUES ('str');
 INSERT INTO t1 VALUES ('str2');
 select * from t1 where str='str';
 drop table t1;
+
+# the same for BDB
+#
+
+--disable_warnings
+create table t1 (
+  str varchar(255) character set utf8 not null,
+  key str (str(2))
+) engine=bdb;
+--enable_warnings
+INSERT INTO t1 VALUES ('str');
+INSERT INTO t1 VALUES ('str2');
+select * from t1 where str='str';
+drop table t1;
+