$result=$this->database->queryRange("SELECT DISTINCT n.nid FROM {node} n LEFT JOIN {search_dataset} d ON d.type = :type AND d.sid = n.nid WHERE d.sid IS NULL OR d.reindex <> 0 ORDER BY d.reindex ASC, n.nid ASC",0,$limit,array(':type'=>$this->getPluginId()),array('target'=>'slave'));
$result=$this->database->queryRange("SELECT DISTINCT n.nid, d.reindex FROM {node} n LEFT JOIN {search_dataset} d ON d.type = :type AND d.sid = n.nid WHERE d.sid IS NULL OR d.reindex <> 0 ORDER BY d.reindex ASC, n.nid ASC",0,$limit,array(':type'=>$this->getPluginId()),array('target'=>'slave'));