It's the connection which provides a cursor, not the query

library/Icinga/Data/DataArray/ArrayDatasource.php

@@ -3,6 +3,7 @@
 
 namespace Icinga\Data\DataArray;
 
+use ArrayIterator;
 use Icinga\Data\Selectable;
 use Icinga\Data\SimpleQuery;
 
@@ -82,6 +83,18 @@ class ArrayDatasource implements Selectable
         return new SimpleQuery($this);
     }
 
+    /**
+     * Fetch and return all rows of the given query's result set using an iterator
+     *
+     * @param   SimpleQuery     $query
+     *
+     * @return  ArrayIterator
+     */
+    public function query(SimpleQuery $query)
+    {
+        return new ArrayIterator($this->fetchAll($query));
+    }
+
     /**
      * Fetch and return a column of all rows of the result set as an array
      *

library/Icinga/Data/Db/DbConnection.php

@@ -4,6 +4,7 @@
 namespace Icinga\Data\Db;
 
 use PDO;
+use Iterator;
 use Zend_Db;
 use Icinga\Application\Benchmark;
 use Icinga\Data\ConfigObject;
@@ -87,6 +88,18 @@ class DbConnection implements Selectable, Extensible, Updatable, Reducible
         return new DbQuery($this);
     }
 
+    /**
+     * Fetch and return all rows of the given query's result set using an iterator
+     *
+     * @param   DbQuery     $query
+     *
+     * @return  Iterator
+     */
+    public function query(DbQuery $query)
+    {
+        return $query->getSelectQuery()->query();
+    }
+
     /**
      * Getter for database type
      *

library/Icinga/Data/SimpleQuery.php

@@ -3,7 +3,6 @@
 
 namespace Icinga\Data;
 
-use ArrayIterator;
 use IteratorAggregate;
 use Icinga\Data\Filter\Filter;
 use Icinga\Exception\IcingaException;
@@ -103,11 +102,11 @@ class SimpleQuery implements QueryInterface, Queryable, IteratorAggregate
     /**
      * Return a iterable for this query's result
      *
-     * @return  ArrayIterator
+     * @return  Iterator
      */
     public function getIterator()
     {
-        return new ArrayIterator($this->fetchAll());
+        return $this->ds->query($this);
     }
 
     /**

library/Icinga/Protocol/Ldap/Connection.php

@@ -3,6 +3,7 @@
 
 namespace Icinga\Protocol\Ldap;
 
+use ArrayIterator;
 use Icinga\Application\Config;
 use Icinga\Application\Logger;
 use Icinga\Application\Platform;
@@ -133,6 +134,11 @@ class Connection implements Selectable
         return new Query($this);
     }
 
+    public function query(Query $query)
+    {
+        return new ArrayIterator($this->fetchAll($query));
+    }
+
     public function fetchOne($query, $fields = array())
     {
         $row = (array) $this->fetchRow($query, $fields);

library/Icinga/Repository/RepositoryQuery.php

@@ -372,16 +372,6 @@ class RepositoryQuery implements QueryInterface, Iterator
         return $this->query->getOffset();
     }
 
-    /**
-     * Fetch and return all rows of the result set using an iterator
-     *
-     * @return  Iterator
-     */
-    public function fetch()
-    {
-        return $this;
-    }
-
     /**
      * Fetch and return the first column of this query's first row
      *
@@ -533,7 +523,7 @@ class RepositoryQuery implements QueryInterface, Iterator
                 $this->order();
             }
 
-            $iterator = $this->query->fetch();
+            $iterator = $this->repository->getDataSource()->query($this->query);
             if ($iterator instanceof IteratorAggregate) {
                 $this->iterator = $iterator->getIterator();
             } else {

modules/monitoring/library/Monitoring/DataView/DataView.php

@@ -3,7 +3,6 @@
 
 namespace Icinga\Module\Monitoring\DataView;
 
-use ArrayIterator;
 use IteratorAggregate;
 use Icinga\Data\QueryInterface;
 use Icinga\Data\Filter\Filter;
@@ -13,6 +12,7 @@ use Icinga\Data\ConnectionInterface;
 use Icinga\Exception\QueryException;
 use Icinga\Web\Request;
 use Icinga\Web\Url;
+use Icinga\Module\Monitoring\Backend\Ido\Query\IdoQuery;
 use Icinga\Module\Monitoring\Backend\MonitoringBackend;
 
 /**
@@ -23,7 +23,7 @@ abstract class DataView implements QueryInterface, IteratorAggregate
     /**
      * The query used to populate the view
      *
-     * @var QueryInterface
+     * @var IdoQuery
      */
     protected $query;
 
@@ -61,11 +61,11 @@ abstract class DataView implements QueryInterface, IteratorAggregate
     /**
      * Return a iterator for all rows of the result set
      *
-     * @return  ArrayIterator
+     * @return  IdoQuery
      */
     public function getIterator()
     {
-        return new ArrayIterator($this->fetchAll());
+        return $this->getQuery();
     }
 
     /**