Merge mysql.com:/windows/Linux_space/MySQL/mysql-5.0

into  mysql.com:/windows/Linux_space/MySQL/mysql-5.0-ndb

mysql-test/r/ndb_index_unique.result

@@ -133,6 +133,21 @@ a	b	c
 6	7	2
 7	8	3
 8	2	3
+create unique index bi using hash on t2(b);
+insert into t2 values(9, 3, 1);
+ERROR 23000: Duplicate entry '' for key 0
+alter table t2 drop index bi;
+insert into t2 values(9, 3, 1);
+select * from t2 order by a;
+a	b	c
+2	3	5
+3	4	6
+4	5	8
+5	6	2
+6	7	2
+7	8	3
+8	2	3
+9	3	1
 drop table t2;
 CREATE TABLE t2 (
 a int unsigned NOT NULL PRIMARY KEY,