Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1

mysql-test/r/ndb_alter_table.result

@@ -116,7 +116,9 @@ select * from t1 order by a;
 a	b
 0	1
 17	18
+SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
 alter table  t1 modify column a int not null auto_increment;
+SET SQL_MODE='';
 select * from t1 order by a;
 a	b
 0	1

mysql-test/t/ndb_alter_table.test

@@ -95,7 +95,9 @@ CREATE TABLE t1 (
 
 INSERT INTO t1 VALUES (0,1),(17,18);
 select * from t1 order by a;
+SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
 alter table  t1 modify column a int not null auto_increment;
+SET SQL_MODE='';
 select * from t1 order by a;
 INSERT INTO t1 VALUES (0,19),(20,21);
 select * from t1 order by a;

sql/ha_ndbcluster.cc

@@ -2170,6 +2170,9 @@ int ha_ndbcluster::index_read(byte *buf,
     break;
   }
   
+  if (m_active_cursor)
+    close_scan();
+    
   key_range start_key;
   start_key.key = key;
   start_key.length = key_len;