Fix for BDB and LOCK TABLES

1 files changed, 27 insertions, 0 deletions

diff --git a/mysql-test/t/bdb.test b/mysql-test/t/bdb.test
index 564491fc520..96296e238fd 100644
--- a/mysql-test/t/bdb.test
+++ b/mysql-test/t/bdb.test
@@ -678,3 +678,30 @@ CREATE TABLE t1 (
 INSERT INTO t1 VALUES (1, 1);
 SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1;
 drop table t1;
+
+#
+# Test problem with BDB and lock tables with duplicate write.
+#
+
+create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) type=bdb;
+insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
+LOCK TABLES t1 WRITE;
+--error 690
+insert into t1 values (99,1,2,'D'),(1,1,2,'D');
+select id from t1;
+select id from t1;
+UNLOCK TABLES;
+DROP TABLE t1;
+
+create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) type=bdb;
+insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
+LOCK TABLES t1 WRITE;
+begin;
+--error 690
+insert into t1 values (99,1,2,'D'),(1,1,2,'D');
+select id from t1;
+insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D');
+commit;
+select id,id3 from t1;
+UNLOCK TABLES;
+DROP TABLE t1;