Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0-ndb

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

mysql-test/r/ndb_read_multi_range.result

@@ -405,3 +405,22 @@ a	b
 1	1
 10	10
 drop table t2;
+create table t1 (id int primary key) engine ndb;
+insert into t1 values (1), (2), (3);
+create table t2 (id int primary key) engine ndb;
+insert into t2 select id from t1;
+create trigger kaboom after delete on t1
+for each row begin
+delete from t2 where id=old.id;
+end|
+select * from t1 order by id;
+id
+1
+2
+3
+delete from t1 where id in (1,2);
+select * from t2 order by id;
+id
+3
+drop trigger kaboom;
+drop table t1;

mysql-test/t/ndb_read_multi_range.test

@@ -291,3 +291,25 @@ insert into t2 values (1,1), (10,10);
 select * from t2 use index (ab) where a in(1,10) order by a;
 
 drop table t2;
+
+#bug#30337
+
+create table t1 (id int primary key) engine ndb;
+insert into t1 values (1), (2), (3);
+
+create table t2 (id int primary key) engine ndb;
+insert into t2 select id from t1;
+
+delimiter |;
+create trigger kaboom after delete on t1
+for each row begin
+  delete from t2 where id=old.id;
+end|
+delimiter ;|
+
+select * from t1 order by id;
+delete from t1 where id in (1,2);
+select * from t2 order by id;
+
+drop trigger kaboom;
+drop table t1;

sql/ha_ndbcluster.cc

@@ -6470,7 +6470,8 @@ ha_ndbcluster::read_multi_range_first(KEY_MULTI_RANGE **found_range_p,
   if (uses_blob_value(m_retrieve_all_fields) ||
       (cur_index_type == UNIQUE_INDEX &&
        has_null_in_unique_index(active_index) &&
-       null_value_index_search(ranges, ranges+range_count, buffer)))
+       null_value_index_search(ranges, ranges+range_count, buffer))
+      || m_delete_cannot_batch || m_update_cannot_batch)
   {
     m_disable_multi_read= TRUE;
     DBUG_RETURN(handler::read_multi_range_first(found_range_p,